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Mini Shell
Mini Shell
// cmd/9l/optab.c, cmd/9l/asmout.c from Vita Nuova.
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com)
// Portions Copyright © 2004,2006 Bruce Ellis
// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
// Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others
// Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package ppc64
import (
"cmd/internal/obj"
"cmd/internal/objabi"
"encoding/binary"
"fmt"
"log"
"math"
"math/bits"
"sort"
)
// ctxt9 holds state while assembling a single function.
// Each function gets a fresh ctxt9.
// This allows for multiple functions to be safely concurrently assembled.
type ctxt9 struct {
ctxt *obj.Link
newprog obj.ProgAlloc
cursym *obj.LSym
autosize int32
instoffset int64
pc int64
}
// Instruction layout.
const (
funcAlign = 16
funcAlignMask = funcAlign - 1
)
const (
r0iszero = 1
)
type Optab struct {
as obj.As // Opcode
a1 uint8 // p.From argument (obj.Addr). p is of type obj.Prog.
a2 uint8 // p.Reg argument (int16 Register)
a3 uint8 // p.RestArgs[0] (obj.AddrPos)
a4 uint8 // p.RestArgs[1]
a5 uint8 // p.RestARgs[2]
a6 uint8 // p.To (obj.Addr)
type_ int8 // cases in asmout below. E.g., 44 = st r,(ra+rb); 45 = ld (ra+rb), r
size int8 // Text space in bytes to lay operation
// A prefixed instruction is generated by this opcode. This cannot be placed
// across a 64B PC address. Opcodes should not translate to more than one
// prefixed instruction. The prefixed instruction should be written first
// (e.g when Optab.size > 8).
ispfx bool
}
// optab contains an array to be sliced of accepted operand combinations for an
// instruction. Unused arguments and fields are not explicitly enumerated, and
// should not be listed for clarity. Unused arguments and values should always
// assume the default value for the given type.
//
// optab does not list every valid ppc64 opcode, it enumerates representative
// operand combinations for a class of instruction. The variable oprange indexes
// all valid ppc64 opcodes.
//
// oprange is initialized to point a slice within optab which contains the valid
// operand combinations for a given instruction. This is initialized from buildop.
//
// Likewise, each slice of optab is dynamically sorted using the ocmp Sort interface
// to arrange entries to minimize text size of each opcode.
var optab = []Optab{
{as: obj.ATEXT, a1: C_LOREG, a6: C_TEXTSIZE, type_: 0, size: 0},
{as: obj.ATEXT, a1: C_LOREG, a3: C_LCON, a6: C_TEXTSIZE, type_: 0, size: 0},
{as: obj.ATEXT, a1: C_ADDR, a6: C_TEXTSIZE, type_: 0, size: 0},
{as: obj.ATEXT, a1: C_ADDR, a3: C_LCON, a6: C_TEXTSIZE, type_: 0, size: 0},
/* move register */
{as: AADD, a1: C_REG, a2: C_REG, a6: C_REG, type_: 2, size: 4},
{as: AADD, a1: C_REG, a6: C_REG, type_: 2, size: 4},
{as: AADD, a1: C_SCON, a2: C_REG, a6: C_REG, type_: 4, size: 4},
{as: AADD, a1: C_SCON, a6: C_REG, type_: 4, size: 4},
{as: AADD, a1: C_ADDCON, a2: C_REG, a6: C_REG, type_: 4, size: 4},
{as: AADD, a1: C_ADDCON, a6: C_REG, type_: 4, size: 4},
{as: AADD, a1: C_UCON, a2: C_REG, a6: C_REG, type_: 20, size: 4},
{as: AADD, a1: C_UCON, a6: C_REG, type_: 20, size: 4},
{as: AADD, a1: C_ANDCON, a2: C_REG, a6: C_REG, type_: 22, size: 8},
{as: AADD, a1: C_ANDCON, a6: C_REG, type_: 22, size: 8},
{as: AADD, a1: C_LCON, a2: C_REG, a6: C_REG, type_: 22, size: 12},
{as: AADD, a1: C_LCON, a6: C_REG, type_: 22, size: 12},
{as: AADDIS, a1: C_ADDCON, a2: C_REG, a6: C_REG, type_: 20, size: 4},
{as: AADDIS, a1: C_ADDCON, a6: C_REG, type_: 20, size: 4},
{as: AADDC, a1: C_REG, a2: C_REG, a6: C_REG, type_: 2, size: 4},
{as: AADDC, a1: C_REG, a6: C_REG, type_: 2, size: 4},
{as: AADDC, a1: C_ADDCON, a2: C_REG, a6: C_REG, type_: 4, size: 4},
{as: AADDC, a1: C_ADDCON, a6: C_REG, type_: 4, size: 4},
{as: AADDC, a1: C_LCON, a2: C_REG, a6: C_REG, type_: 22, size: 12},
{as: AADDC, a1: C_LCON, a6: C_REG, type_: 22, size: 12},
{as: AAND, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4}, /* logical, no literal */
{as: AAND, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: AANDCC, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4},
{as: AANDCC, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: AANDCC, a1: C_ANDCON, a6: C_REG, type_: 58, size: 4},
{as: AANDCC, a1: C_ANDCON, a2: C_REG, a6: C_REG, type_: 58, size: 4},
{as: AANDCC, a1: C_UCON, a6: C_REG, type_: 59, size: 4},
{as: AANDCC, a1: C_UCON, a2: C_REG, a6: C_REG, type_: 59, size: 4},
{as: AANDCC, a1: C_ADDCON, a6: C_REG, type_: 23, size: 8},
{as: AANDCC, a1: C_ADDCON, a2: C_REG, a6: C_REG, type_: 23, size: 8},
{as: AANDCC, a1: C_LCON, a6: C_REG, type_: 23, size: 12},
{as: AANDCC, a1: C_LCON, a2: C_REG, a6: C_REG, type_: 23, size: 12},
{as: AANDISCC, a1: C_ANDCON, a6: C_REG, type_: 59, size: 4},
{as: AANDISCC, a1: C_ANDCON, a2: C_REG, a6: C_REG, type_: 59, size: 4},
{as: AMULLW, a1: C_REG, a2: C_REG, a6: C_REG, type_: 2, size: 4},
{as: AMULLW, a1: C_REG, a6: C_REG, type_: 2, size: 4},
{as: AMULLW, a1: C_ADDCON, a2: C_REG, a6: C_REG, type_: 4, size: 4},
{as: AMULLW, a1: C_ADDCON, a6: C_REG, type_: 4, size: 4},
{as: AMULLW, a1: C_ANDCON, a2: C_REG, a6: C_REG, type_: 4, size: 4},
{as: AMULLW, a1: C_ANDCON, a6: C_REG, type_: 4, size: 4},
{as: AMULLW, a1: C_LCON, a2: C_REG, a6: C_REG, type_: 22, size: 12},
{as: AMULLW, a1: C_LCON, a6: C_REG, type_: 22, size: 12},
{as: ASUBC, a1: C_REG, a2: C_REG, a6: C_REG, type_: 10, size: 4},
{as: ASUBC, a1: C_REG, a6: C_REG, type_: 10, size: 4},
{as: ASUBC, a1: C_REG, a3: C_ADDCON, a6: C_REG, type_: 27, size: 4},
{as: ASUBC, a1: C_REG, a3: C_LCON, a6: C_REG, type_: 28, size: 12},
{as: AOR, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4}, /* logical, literal not cc (or/xor) */
{as: AOR, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: AOR, a1: C_ANDCON, a6: C_REG, type_: 58, size: 4},
{as: AOR, a1: C_ANDCON, a2: C_REG, a6: C_REG, type_: 58, size: 4},
{as: AOR, a1: C_UCON, a6: C_REG, type_: 59, size: 4},
{as: AOR, a1: C_UCON, a2: C_REG, a6: C_REG, type_: 59, size: 4},
{as: AOR, a1: C_ADDCON, a6: C_REG, type_: 23, size: 8},
{as: AOR, a1: C_ADDCON, a2: C_REG, a6: C_REG, type_: 23, size: 8},
{as: AOR, a1: C_LCON, a6: C_REG, type_: 23, size: 12},
{as: AOR, a1: C_LCON, a2: C_REG, a6: C_REG, type_: 23, size: 12},
{as: AORIS, a1: C_ANDCON, a6: C_REG, type_: 59, size: 4},
{as: AORIS, a1: C_ANDCON, a2: C_REG, a6: C_REG, type_: 59, size: 4},
{as: ADIVW, a1: C_REG, a2: C_REG, a6: C_REG, type_: 2, size: 4}, /* op r1[,r2],r3 */
{as: ADIVW, a1: C_REG, a6: C_REG, type_: 2, size: 4},
{as: ASUB, a1: C_REG, a2: C_REG, a6: C_REG, type_: 10, size: 4}, /* op r2[,r1],r3 */
{as: ASUB, a1: C_REG, a6: C_REG, type_: 10, size: 4},
{as: ASLW, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASLW, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASLD, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASLD, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASLD, a1: C_SCON, a2: C_REG, a6: C_REG, type_: 25, size: 4},
{as: ASLD, a1: C_SCON, a6: C_REG, type_: 25, size: 4},
{as: AEXTSWSLI, a1: C_SCON, a6: C_REG, type_: 25, size: 4},
{as: AEXTSWSLI, a1: C_SCON, a2: C_REG, a6: C_REG, type_: 25, size: 4},
{as: ASLW, a1: C_SCON, a2: C_REG, a6: C_REG, type_: 57, size: 4},
{as: ASLW, a1: C_SCON, a6: C_REG, type_: 57, size: 4},
{as: ASRAW, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASRAW, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASRAW, a1: C_SCON, a2: C_REG, a6: C_REG, type_: 56, size: 4},
{as: ASRAW, a1: C_SCON, a6: C_REG, type_: 56, size: 4},
{as: ASRAD, a1: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASRAD, a1: C_REG, a2: C_REG, a6: C_REG, type_: 6, size: 4},
{as: ASRAD, a1: C_SCON, a2: C_REG, a6: C_REG, type_: 56, size: 4},
{as: ASRAD, a1: C_SCON, a6: C_REG, type_: 56, size: 4},
{as: ARLWMI, a1: C_SCON, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 62, size: 4},
{as: ARLWMI, a1: C_SCON, a2: C_REG, a3: C_SCON, a4: C_SCON, a6: C_REG, type_: 102, size: 4},
{as: ARLWMI, a1: C_REG, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 63, size: 4},
{as: ARLWMI, a1: C_REG, a2: C_REG, a3: C_SCON, a4: C_SCON, a6: C_REG, type_: 103, size: 4},
{as: ACLRLSLWI, a1: C_SCON, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 62, size: 4},
{as: ARLDMI, a1: C_SCON, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 30, size: 4},
{as: ARLDC, a1: C_SCON, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 29, size: 4},
{as: ARLDCL, a1: C_SCON, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 29, size: 4},
{as: ARLDCL, a1: C_REG, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 14, size: 4},
{as: ARLDICL, a1: C_REG, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 14, size: 4},
{as: ARLDICL, a1: C_SCON, a2: C_REG, a3: C_LCON, a6: C_REG, type_: 14, size: 4},
{as: ARLDCL, a1: C_REG, a3: C_LCON, a6: C_REG, type_: 14, size: 4},
{as: AFADD, a1: C_FREG, a6: C_FREG, type_: 2, size: 4},
{as: AFADD, a1: C_FREG, a2: C_FREG, a6: C_FREG, type_: 2, size: 4},
{as: AFABS, a1: C_FREG, a6: C_FREG, type_: 33, size: 4},
{as: AFABS, a6: C_FREG, type_: 33, size: 4},
{as: AFMADD, a1: C_FREG, a2: C_FREG, a3: C_FREG, a6: C_FREG, type_: 34, size: 4},
{as: AFMUL, a1: C_FREG, a6: C_FREG, type_: 32, size: 4},
{as: AFMUL, a1: C_FREG, a2: C_FREG, a6: C_FREG, type_: 32, size: 4},
{as: AMOVBU, a1: C_REG, a6: C_SOREG, type_: 7, size: 4},
{as: AMOVBU, a1: C_SOREG, a6: C_REG, type_: 8, size: 8},
{as: AMOVBZU, a1: C_REG, a6: C_SOREG, type_: 7, size: 4},
{as: AMOVBZU, a1: C_SOREG, a6: C_REG, type_: 8, size: 4},
{as: AMOVHBR, a1: C_REG, a6: C_ZOREG, type_: 44, size: 4},
{as: AMOVHBR, a1: C_ZOREG, a6: C_REG, type_: 45, size: 4},
{as: AMOVB, a1: C_ADDR, a6: C_REG, type_: 75, size: 12},
{as: AMOVB, a1: C_LOREG, a6: C_REG, type_: 36, size: 12},
{as: AMOVB, a1: C_SOREG, a6: C_REG, type_: 8, size: 8},
{as: AMOVB, a1: C_REG, a6: C_ADDR, type_: 74, size: 8},
{as: AMOVB, a1: C_REG, a6: C_SOREG, type_: 7, size: 4},
{as: AMOVB, a1: C_REG, a6: C_LOREG, type_: 35, size: 8},
{as: AMOVB, a1: C_REG, a6: C_REG, type_: 13, size: 4},
{as: AMOVBZ, a1: C_ADDR, a6: C_REG, type_: 75, size: 8},
{as: AMOVBZ, a1: C_LOREG, a6: C_REG, type_: 36, size: 8},
{as: AMOVBZ, a1: C_SOREG, a6: C_REG, type_: 8, size: 4},
{as: AMOVBZ, a1: C_REG, a6: C_ADDR, type_: 74, size: 8},
{as: AMOVBZ, a1: C_REG, a6: C_SOREG, type_: 7, size: 4},
{as: AMOVBZ, a1: C_REG, a6: C_LOREG, type_: 35, size: 8},
{as: AMOVBZ, a1: C_REG, a6: C_REG, type_: 13, size: 4},
{as: AMOVD, a1: C_ADDCON, a6: C_REG, type_: 3, size: 4},
{as: AMOVD, a1: C_ANDCON, a6: C_REG, type_: 3, size: 4},
{as: AMOVD, a1: C_UCON, a6: C_REG, type_: 3, size: 4},
{as: AMOVD, a1: C_LCON, a6: C_REG, type_: 19, size: 8},
{as: AMOVD, a1: C_SACON, a6: C_REG, type_: 3, size: 4},
{as: AMOVD, a1: C_LACON, a6: C_REG, type_: 26, size: 8},
{as: AMOVD, a1: C_ADDR, a6: C_REG, type_: 75, size: 8},
{as: AMOVD, a1: C_SOREG, a6: C_REG, type_: 8, size: 4},
{as: AMOVD, a1: C_SOREG, a6: C_SPR, type_: 107, size: 8},
{as: AMOVD, a1: C_LOREG, a6: C_REG, type_: 36, size: 8},
{as: AMOVD, a1: C_TLS_LE, a6: C_REG, type_: 79, size: 8},
{as: AMOVD, a1: C_TLS_IE, a6: C_REG, type_: 80, size: 12},
{as: AMOVD, a1: C_SPR, a6: C_REG, type_: 66, size: 4},
{as: AMOVD, a1: C_REG, a6: C_ADDR, type_: 74, size: 8},
{as: AMOVD, a1: C_REG, a6: C_SOREG, type_: 7, size: 4},
{as: AMOVD, a1: C_SPR, a6: C_SOREG, type_: 106, size: 8},
{as: AMOVD, a1: C_REG, a6: C_LOREG, type_: 35, size: 8},
{as: AMOVD, a1: C_REG, a6: C_SPR, type_: 66, size: 4},
{as: AMOVD, a1: C_REG, a6: C_REG, type_: 13, size: 4},
{as: AMOVW, a1: C_ADDCON, a6: C_REG, type_: 3, size: 4},
{as: AMOVW, a1: C_ANDCON, a6: C_REG, type_: 3, size: 4},
{as: AMOVW, a1: C_UCON, a6: C_REG, type_: 3, size: 4},
{as: AMOVW, a1: C_LCON, a6: C_REG, type_: 19, size: 8},
{as: AMOVW, a1: C_SACON, a6: C_REG, type_: 3, size: 4},
{as: AMOVW, a1: C_LACON, a6: C_REG, type_: 26, size: 8},
{as: AMOVW, a1: C_ADDR, a6: C_REG, type_: 75, size: 8},
{as: AMOVW, a1: C_CREG, a6: C_REG, type_: 68, size: 4},
{as: AMOVW, a1: C_SOREG, a6: C_REG, type_: 8, size: 4},
{as: AMOVW, a1: C_LOREG, a6: C_REG, type_: 36, size: 8},
{as: AMOVW, a1: C_SPR, a6: C_REG, type_: 66, size: 4},
{as: AMOVW, a1: C_REG, a6: C_ADDR, type_: 74, size: 8},
{as: AMOVW, a1: C_REG, a6: C_CREG, type_: 69, size: 4},
{as: AMOVW, a1: C_REG, a6: C_SOREG, type_: 7, size: 4},
{as: AMOVW, a1: C_REG, a6: C_LOREG, type_: 35, size: 8},
{as: AMOVW, a1: C_REG, a6: C_SPR, type_: 66, size: 4},
{as: AMOVW, a1: C_REG, a6: C_REG, type_: 13, size: 4},
{as: AFMOVD, a1: C_ADDCON, a6: C_FREG, type_: 24, size: 8},
{as: AFMOVD, a1: C_SOREG, a6: C_FREG, type_: 8, size: 4},
{as: AFMOVD, a1: C_LOREG, a6: C_FREG, type_: 36, size: 8},
{as: AFMOVD, a1: C_ZCON, a6: C_FREG, type_: 24, size: 4},
{as: AFMOVD, a1: C_ADDR, a6: C_FREG, type_: 75, size: 8},
{as: AFMOVD, a1: C_FREG, a6: C_FREG, type_: 33, size: 4},
{as: AFMOVD, a1: C_FREG, a6: C_SOREG, type_: 7, size: 4},
{as: AFMOVD, a1: C_FREG, a6: C_LOREG, type_: 35, size: 8},
{as: AFMOVD, a1: C_FREG, a6: C_ADDR, type_: 74, size: 8},
{as: AFMOVSX, a1: C_ZOREG, a6: C_FREG, type_: 45, size: 4},
{as: AFMOVSX, a1: C_FREG, a6: C_ZOREG, type_: 44, size: 4},
{as: AFMOVSZ, a1: C_ZOREG, a6: C_FREG, type_: 45, size: 4},
{as: AMOVFL, a1: C_CREG, a6: C_CREG, type_: 67, size: 4},
{as: AMOVFL, a1: C_FPSCR, a6: C_CREG, type_: 73, size: 4},
{as: AMOVFL, a1: C_FPSCR, a6: C_FREG, type_: 53, size: 4},
{as: AMOVFL, a1: C_FREG, a3: C_LCON, a6: C_FPSCR, type_: 64, size: 4},
{as: AMOVFL, a1: C_FREG, a6: C_FPSCR, type_: 64, size: 4},
{as: AMOVFL, a1: C_LCON, a6: C_FPSCR, type_: 65, size: 4},
{as: AMOVFL, a1: C_REG, a6: C_CREG, type_: 69, size: 4},
{as: AMOVFL, a1: C_REG, a6: C_LCON, type_: 69, size: 4},
{as: ASYSCALL, type_: 5, size: 4},
{as: ASYSCALL, a1: C_REG, type_: 77, size: 12},
{as: ASYSCALL, a1: C_SCON, type_: 77, size: 12},
{as: ABEQ, a6: C_SBRA, type_: 16, size: 4},
{as: ABEQ, a1: C_CREG, a6: C_SBRA, type_: 16, size: 4},
{as: ABR, a6: C_LBRA, type_: 11, size: 4}, // b label
{as: ABR, a6: C_LBRAPIC, type_: 11, size: 8}, // b label; nop
{as: ABR, a6: C_LR, type_: 18, size: 4}, // blr
{as: ABR, a6: C_CTR, type_: 18, size: 4}, // bctr
{as: ABC, a1: C_SCON, a2: C_CRBIT, a6: C_SBRA, type_: 16, size: 4}, // bc bo, bi, label
{as: ABC, a1: C_SCON, a2: C_CRBIT, a6: C_LBRA, type_: 17, size: 4}, // bc bo, bi, label
{as: ABC, a1: C_SCON, a2: C_CRBIT, a6: C_LR, type_: 18, size: 4}, // bclr bo, bi
{as: ABC, a1: C_SCON, a2: C_CRBIT, a3: C_SCON, a6: C_LR, type_: 18, size: 4}, // bclr bo, bi, bh
{as: ABC, a1: C_SCON, a2: C_CRBIT, a6: C_CTR, type_: 18, size: 4}, // bcctr bo, bi
{as: ABDNZ, a6: C_SBRA, type_: 16, size: 4},
{as: ASYNC, type_: 46, size: 4},
{as: AWORD, a1: C_LCON, type_: 40, size: 4},
{as: ADWORD, a1: C_64CON, type_: 31, size: 8},
{as: ADWORD, a1: C_LACON, type_: 31, size: 8},
{as: AADDME, a1: C_REG, a6: C_REG, type_: 47, size: 4},
{as: AEXTSB, a1: C_REG, a6: C_REG, type_: 48, size: 4},
{as: AEXTSB, a6: C_REG, type_: 48, size: 4},
{as: AISEL, a1: C_U5CON, a2: C_REG, a3: C_REG, a6: C_REG, type_: 84, size: 4},
{as: AISEL, a1: C_CRBIT, a2: C_REG, a3: C_REG, a6: C_REG, type_: 84, size: 4},
{as: ANEG, a1: C_REG, a6: C_REG, type_: 47, size: 4},
{as: ANEG, a6: C_REG, type_: 47, size: 4},
{as: AREM, a1: C_REG, a6: C_REG, type_: 50, size: 12},
{as: AREM, a1: C_REG, a2: C_REG, a6: C_REG, type_: 50, size: 12},
{as: AREMU, a1: C_REG, a6: C_REG, type_: 50, size: 16},
{as: AREMU, a1: C_REG, a2: C_REG, a6: C_REG, type_: 50, size: 16},
{as: AREMD, a1: C_REG, a6: C_REG, type_: 51, size: 12},
{as: AREMD, a1: C_REG, a2: C_REG, a6: C_REG, type_: 51, size: 12},
{as: AMTFSB0, a1: C_SCON, type_: 52, size: 4},
/* Other ISA 2.05+ instructions */
{as: APOPCNTD, a1: C_REG, a6: C_REG, type_: 93, size: 4}, /* population count, x-form */
{as: ACMPB, a1: C_REG, a2: C_REG, a6: C_REG, type_: 92, size: 4}, /* compare byte, x-form */
{as: ACMPEQB, a1: C_REG, a2: C_REG, a6: C_CREG, type_: 92, size: 4}, /* compare equal byte, x-form, ISA 3.0 */
{as: ACMPEQB, a1: C_REG, a6: C_REG, type_: 70, size: 4},
{as: AFTDIV, a1: C_FREG, a2: C_FREG, a6: C_SCON, type_: 92, size: 4}, /* floating test for sw divide, x-form */
{as: AFTSQRT, a1: C_FREG, a6: C_SCON, type_: 93, size: 4}, /* floating test for sw square root, x-form */
{as: ACOPY, a1: C_REG, a6: C_REG, type_: 92, size: 4}, /* copy/paste facility, x-form */
{as: ADARN, a1: C_SCON, a6: C_REG, type_: 92, size: 4}, /* deliver random number, x-form */
{as: ALDMX, a1: C_SOREG, a6: C_REG, type_: 45, size: 4}, /* load doubleword monitored, x-form */
{as: AMADDHD, a1: C_REG, a2: C_REG, a3: C_REG, a6: C_REG, type_: 83, size: 4}, /* multiply-add high/low doubleword, va-form */
{as: AADDEX, a1: C_REG, a2: C_REG, a3: C_SCON, a6: C_REG, type_: 94, size: 4}, /* add extended using alternate carry, z23-form */
{as: ACRAND, a1: C_CRBIT, a2: C_CRBIT, a6: C_CRBIT, type_: 2, size: 4}, /* logical ops for condition register bits xl-form */
/* Vector instructions */
/* Vector load */
{as: ALV, a1: C_SOREG, a6: C_VREG, type_: 45, size: 4}, /* vector load, x-form */
/* Vector store */
{as: ASTV, a1: C_VREG, a6: C_SOREG, type_: 44, size: 4}, /* vector store, x-form */
/* Vector logical */
{as: AVAND, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector and, vx-form */
{as: AVOR, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector or, vx-form */
/* Vector add */
{as: AVADDUM, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector add unsigned modulo, vx-form */
{as: AVADDCU, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector add & write carry unsigned, vx-form */
{as: AVADDUS, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector add unsigned saturate, vx-form */
{as: AVADDSS, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector add signed saturate, vx-form */
{as: AVADDE, a1: C_VREG, a2: C_VREG, a3: C_VREG, a6: C_VREG, type_: 83, size: 4}, /* vector add extended, va-form */
/* Vector subtract */
{as: AVSUBUM, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector subtract unsigned modulo, vx-form */
{as: AVSUBCU, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector subtract & write carry unsigned, vx-form */
{as: AVSUBUS, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector subtract unsigned saturate, vx-form */
{as: AVSUBSS, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector subtract signed saturate, vx-form */
{as: AVSUBE, a1: C_VREG, a2: C_VREG, a3: C_VREG, a6: C_VREG, type_: 83, size: 4}, /* vector subtract extended, va-form */
/* Vector multiply */
{as: AVMULESB, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector multiply, vx-form */
{as: AVPMSUM, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector polynomial multiply & sum, vx-form */
{as: AVMSUMUDM, a1: C_VREG, a2: C_VREG, a3: C_VREG, a6: C_VREG, type_: 83, size: 4}, /* vector multiply-sum, va-form */
/* Vector rotate */
{as: AVR, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector rotate, vx-form */
/* Vector shift */
{as: AVS, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector shift, vx-form */
{as: AVSA, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector shift algebraic, vx-form */
{as: AVSOI, a1: C_ANDCON, a2: C_VREG, a3: C_VREG, a6: C_VREG, type_: 83, size: 4}, /* vector shift by octet immediate, va-form */
/* Vector count */
{as: AVCLZ, a1: C_VREG, a6: C_VREG, type_: 85, size: 4}, /* vector count leading zeros, vx-form */
{as: AVPOPCNT, a1: C_VREG, a6: C_VREG, type_: 85, size: 4}, /* vector population count, vx-form */
/* Vector compare */
{as: AVCMPEQ, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector compare equal, vc-form */
{as: AVCMPGT, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector compare greater than, vc-form */
{as: AVCMPNEZB, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector compare not equal, vx-form */
/* Vector merge */
{as: AVMRGOW, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector merge odd word, vx-form */
/* Vector permute */
{as: AVPERM, a1: C_VREG, a2: C_VREG, a3: C_VREG, a6: C_VREG, type_: 83, size: 4}, /* vector permute, va-form */
/* Vector bit permute */
{as: AVBPERMQ, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector bit permute, vx-form */
/* Vector select */
{as: AVSEL, a1: C_VREG, a2: C_VREG, a3: C_VREG, a6: C_VREG, type_: 83, size: 4}, /* vector select, va-form */
/* Vector splat */
{as: AVSPLTB, a1: C_SCON, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector splat, vx-form */
{as: AVSPLTB, a1: C_ADDCON, a2: C_VREG, a6: C_VREG, type_: 82, size: 4},
{as: AVSPLTISB, a1: C_SCON, a6: C_VREG, type_: 82, size: 4}, /* vector splat immediate, vx-form */
{as: AVSPLTISB, a1: C_ADDCON, a6: C_VREG, type_: 82, size: 4},
/* Vector AES */
{as: AVCIPH, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector AES cipher, vx-form */
{as: AVNCIPH, a1: C_VREG, a2: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector AES inverse cipher, vx-form */
{as: AVSBOX, a1: C_VREG, a6: C_VREG, type_: 82, size: 4}, /* vector AES subbytes, vx-form */
/* Vector SHA */
{as: AVSHASIGMA, a1: C_ANDCON, a2: C_VREG, a3: C_ANDCON, a6: C_VREG, type_: 82, size: 4}, /* vector SHA sigma, vx-form */
/* VSX vector load */
{as: ALXVD2X, a1: C_SOREG, a6: C_VSREG, type_: 87, size: 4}, /* vsx vector load, xx1-form */
{as: ALXV, a1: C_SOREG, a6: C_VSREG, type_: 96, size: 4}, /* vsx vector load, dq-form */
{as: ALXVL, a1: C_REG, a2: C_REG, a6: C_VSREG, type_: 98, size: 4}, /* vsx vector load length */
/* VSX vector store */
{as: ASTXVD2X, a1: C_VSREG, a6: C_SOREG, type_: 86, size: 4}, /* vsx vector store, xx1-form */
{as: ASTXV, a1: C_VSREG, a6: C_SOREG, type_: 97, size: 4}, /* vsx vector store, dq-form */
{as: ASTXVL, a1: C_VSREG, a2: C_REG, a6: C_REG, type_: 99, size: 4}, /* vsx vector store with length x-form */
/* VSX scalar load */
{as: ALXSDX, a1: C_SOREG, a6: C_VSREG, type_: 87, size: 4}, /* vsx scalar load, xx1-form */
/* VSX scalar store */
{as: ASTXSDX, a1: C_VSREG, a6: C_SOREG, type_: 86, size: 4}, /* vsx scalar store, xx1-form */
/* VSX scalar as integer load */
{as: ALXSIWAX, a1: C_SOREG, a6: C_VSREG, type_: 87, size: 4}, /* vsx scalar as integer load, xx1-form */
/* VSX scalar store as integer */
{as: ASTXSIWX, a1: C_VSREG, a6: C_SOREG, type_: 86, size: 4}, /* vsx scalar as integer store, xx1-form */
/* VSX move from VSR */
{as: AMFVSRD, a1: C_VSREG, a6: C_REG, type_: 88, size: 4},
{as: AMFVSRD, a1: C_FREG, a6: C_REG, type_: 88, size: 4},
/* VSX move to VSR */
{as: AMTVSRD, a1: C_REG, a6: C_VSREG, type_: 104, size: 4},
{as: AMTVSRD, a1: C_REG, a6: C_FREG, type_: 104, size: 4},
{as: AMTVSRDD, a1: C_REG, a2: C_REG, a6: C_VSREG, type_: 104, size: 4},
/* VSX logical */
{as: AXXLAND, a1: C_VSREG, a2: C_VSREG, a6: C_VSREG, type_: 90, size: 4}, /* vsx and, xx3-form */
{as: AXXLOR, a1: C_VSREG, a2: C_VSREG, a6: C_VSREG, type_: 90, size: 4}, /* vsx or, xx3-form */
/* VSX select */
{as: AXXSEL, a1: C_VSREG, a2: C_VSREG, a3: C_VSREG, a6: C_VSREG, type_: 91, size: 4}, /* vsx select, xx4-form */
/* VSX merge */
{as: AXXMRGHW, a1: C_VSREG, a2: C_VSREG, a6: C_VSREG, type_: 90, size: 4}, /* vsx merge, xx3-form */
/* VSX splat */
{as: AXXSPLTW, a1: C_VSREG, a3: C_SCON, a6: C_VSREG, type_: 89, size: 4}, /* vsx splat, xx2-form */
{as: AXXSPLTIB, a1: C_SCON, a6: C_VSREG, type_: 100, size: 4}, /* vsx splat, xx2-form */
/* VSX permute */
{as: AXXPERM, a1: C_VSREG, a2: C_VSREG, a6: C_VSREG, type_: 90, size: 4}, /* vsx permute, xx3-form */
/* VSX shift */
{as: AXXSLDWI, a1: C_VSREG, a2: C_VSREG, a3: C_SCON, a6: C_VSREG, type_: 90, size: 4}, /* vsx shift immediate, xx3-form */
/* VSX reverse bytes */
{as: AXXBRQ, a1: C_VSREG, a6: C_VSREG, type_: 101, size: 4}, /* vsx reverse bytes */
/* VSX scalar FP-FP conversion */
{as: AXSCVDPSP, a1: C_VSREG, a6: C_VSREG, type_: 89, size: 4}, /* vsx scalar fp-fp conversion, xx2-form */
/* VSX vector FP-FP conversion */
{as: AXVCVDPSP, a1: C_VSREG, a6: C_VSREG, type_: 89, size: 4}, /* vsx vector fp-fp conversion, xx2-form */
/* VSX scalar FP-integer conversion */
{as: AXSCVDPSXDS, a1: C_VSREG, a6: C_VSREG, type_: 89, size: 4}, /* vsx scalar fp-integer conversion, xx2-form */
/* VSX scalar integer-FP conversion */
{as: AXSCVSXDDP, a1: C_VSREG, a6: C_VSREG, type_: 89, size: 4}, /* vsx scalar integer-fp conversion, xx2-form */
/* VSX vector FP-integer conversion */
{as: AXVCVDPSXDS, a1: C_VSREG, a6: C_VSREG, type_: 89, size: 4}, /* vsx vector fp-integer conversion, xx2-form */
/* VSX vector integer-FP conversion */
{as: AXVCVSXDDP, a1: C_VSREG, a6: C_VSREG, type_: 89, size: 4}, /* vsx vector integer-fp conversion, xx2-form */
{as: ACMP, a1: C_REG, a6: C_REG, type_: 70, size: 4},
{as: ACMP, a1: C_REG, a2: C_CREG, a6: C_REG, type_: 70, size: 4},
{as: ACMP, a1: C_REG, a6: C_ADDCON, type_: 71, size: 4},
{as: ACMP, a1: C_REG, a2: C_CREG, a6: C_ADDCON, type_: 71, size: 4},
{as: ACMPU, a1: C_REG, a6: C_REG, type_: 70, size: 4},
{as: ACMPU, a1: C_REG, a2: C_CREG, a6: C_REG, type_: 70, size: 4},
{as: ACMPU, a1: C_REG, a6: C_ANDCON, type_: 71, size: 4},
{as: ACMPU, a1: C_REG, a2: C_CREG, a6: C_ANDCON, type_: 71, size: 4},
{as: AFCMPO, a1: C_FREG, a6: C_FREG, type_: 70, size: 4},
{as: AFCMPO, a1: C_FREG, a2: C_CREG, a6: C_FREG, type_: 70, size: 4},
{as: ATW, a1: C_LCON, a2: C_REG, a6: C_REG, type_: 60, size: 4},
{as: ATW, a1: C_LCON, a2: C_REG, a6: C_ADDCON, type_: 61, size: 4},
{as: ADCBF, a1: C_ZOREG, type_: 43, size: 4},
{as: ADCBF, a1: C_SOREG, type_: 43, size: 4},
{as: ADCBF, a1: C_ZOREG, a2: C_REG, a6: C_SCON, type_: 43, size: 4},
{as: ADCBF, a1: C_SOREG, a6: C_SCON, type_: 43, size: 4},
{as: AECOWX, a1: C_REG, a2: C_REG, a6: C_ZOREG, type_: 44, size: 4},
{as: AECIWX, a1: C_ZOREG, a2: C_REG, a6: C_REG, type_: 45, size: 4},
{as: AECOWX, a1: C_REG, a6: C_ZOREG, type_: 44, size: 4},
{as: AECIWX, a1: C_ZOREG, a6: C_REG, type_: 45, size: 4},
{as: ALDAR, a1: C_ZOREG, a6: C_REG, type_: 45, size: 4},
{as: ALDAR, a1: C_ZOREG, a3: C_ANDCON, a6: C_REG, type_: 45, size: 4},
{as: AEIEIO, type_: 46, size: 4},
{as: ATLBIE, a1: C_REG, type_: 49, size: 4},
{as: ATLBIE, a1: C_SCON, a6: C_REG, type_: 49, size: 4},
{as: ASLBMFEE, a1: C_REG, a6: C_REG, type_: 55, size: 4},
{as: ASLBMTE, a1: C_REG, a6: C_REG, type_: 55, size: 4},
{as: ASTSW, a1: C_REG, a6: C_ZOREG, type_: 44, size: 4},
{as: ASTSW, a1: C_REG, a3: C_LCON, a6: C_ZOREG, type_: 41, size: 4},
{as: ALSW, a1: C_ZOREG, a6: C_REG, type_: 45, size: 4},
{as: ALSW, a1: C_ZOREG, a3: C_LCON, a6: C_REG, type_: 42, size: 4},
{as: APNOP, type_: 105, size: 8, ispfx: true},
{as: obj.AUNDEF, type_: 78, size: 4},
{as: obj.APCDATA, a1: C_LCON, a6: C_LCON, type_: 0, size: 0},
{as: obj.AFUNCDATA, a1: C_SCON, a6: C_ADDR, type_: 0, size: 0},
{as: obj.ANOP, type_: 0, size: 0},
{as: obj.ANOP, a1: C_LCON, type_: 0, size: 0}, // NOP operand variations added for #40689
{as: obj.ANOP, a1: C_REG, type_: 0, size: 0}, // to preserve previous behavior
{as: obj.ANOP, a1: C_FREG, type_: 0, size: 0},
{as: obj.ADUFFZERO, a6: C_LBRA, type_: 11, size: 4}, // same as ABR/ABL
{as: obj.ADUFFCOPY, a6: C_LBRA, type_: 11, size: 4}, // same as ABR/ABL
{as: obj.APCALIGN, a1: C_LCON, type_: 0, size: 0}, // align code
{as: obj.AXXX, type_: 0, size: 4},
}
var oprange [ALAST & obj.AMask][]Optab
var xcmp [C_NCLASS][C_NCLASS]bool
// padding bytes to add to align code as requested
func addpad(pc, a int64, ctxt *obj.Link, cursym *obj.LSym) int {
// For 16 and 32 byte alignment, there is a tradeoff
// between aligning the code and adding too many NOPs.
switch a {
case 8:
if pc&7 != 0 {
return 4
}
case 16:
// Align to 16 bytes if possible but add at
// most 2 NOPs.
switch pc & 15 {
case 4, 12:
return 4
case 8:
return 8
}
case 32:
// Align to 32 bytes if possible but add at
// most 3 NOPs.
switch pc & 31 {
case 4, 20:
return 12
case 8, 24:
return 8
case 12, 28:
return 4
}
// When 32 byte alignment is requested on Linux,
// promote the function's alignment to 32. On AIX
// the function alignment is not changed which might
// result in 16 byte alignment but that is still fine.
// TODO: alignment on AIX
if ctxt.Headtype != objabi.Haix && cursym.Func().Align < 32 {
cursym.Func().Align = 32
}
default:
ctxt.Diag("Unexpected alignment: %d for PCALIGN directive\n", a)
}
return 0
}
// Get the implied register of a operand which doesn't specify one. These show up
// in handwritten asm like "MOVD R5, foosymbol" where a base register is not supplied,
// or "MOVD R5, foo+10(SP) or pseudo-register is used. The other common case is when
// generating constants in register like "MOVD $constant, Rx".
func (c *ctxt9) getimpliedreg(a *obj.Addr, p *obj.Prog) int {
class := oclass(a)
if class >= C_ZCON && class <= C_64CON {
return REGZERO
}
switch class {
case C_SACON, C_LACON:
return REGSP
case C_LOREG, C_SOREG, C_ZOREG:
switch a.Name {
case obj.NAME_EXTERN, obj.NAME_STATIC:
return REGSB
case obj.NAME_AUTO, obj.NAME_PARAM:
return REGSP
case obj.NAME_NONE:
return REGZERO
}
}
c.ctxt.Diag("failed to determine implied reg for class %v (%v)", DRconv(oclass(a)), p)
return 0
}
func span9(ctxt *obj.Link, cursym *obj.LSym, newprog obj.ProgAlloc) {
p := cursym.Func().Text
if p == nil || p.Link == nil { // handle external functions and ELF section symbols
return
}
if oprange[AANDN&obj.AMask] == nil {
ctxt.Diag("ppc64 ops not initialized, call ppc64.buildop first")
}
c := ctxt9{ctxt: ctxt, newprog: newprog, cursym: cursym, autosize: int32(p.To.Offset)}
pc := int64(0)
p.Pc = pc
var m int
var o *Optab
for p = p.Link; p != nil; p = p.Link {
p.Pc = pc
o = c.oplook(p)
m = int(o.size)
if m == 0 {
if p.As == obj.APCALIGN {
a := c.vregoff(&p.From)
m = addpad(pc, a, ctxt, cursym)
} else {
if p.As != obj.ANOP && p.As != obj.AFUNCDATA && p.As != obj.APCDATA {
ctxt.Diag("zero-width instruction\n%v", p)
}
continue
}
}
pc += int64(m)
}
c.cursym.Size = pc
/*
* if any procedure is large enough to
* generate a large SBRA branch, then
* generate extra passes putting branches
* around jmps to fix. this is rare.
*/
bflag := 1
var otxt int64
var q *obj.Prog
var out [6]uint32
var falign int32 // Track increased alignment requirements for prefix.
for bflag != 0 {
bflag = 0
pc = 0
falign = 0 // Note, linker bumps function symbols to funcAlign.
for p = c.cursym.Func().Text.Link; p != nil; p = p.Link {
p.Pc = pc
o = c.oplook(p)
// very large conditional branches
if (o.type_ == 16 || o.type_ == 17) && p.To.Target() != nil {
otxt = p.To.Target().Pc - pc
if otxt < -(1<<15)+10 || otxt >= (1<<15)-10 {
// Assemble the instruction with a target not too far to figure out BI and BO fields.
// If only the CTR or BI (the CR bit) are tested, the conditional branch can be inverted,
// and only one extra branch is needed to reach the target.
tgt := p.To.Target()
p.To.SetTarget(p.Link)
c.asmout(p, o, out[:])
p.To.SetTarget(tgt)
bo := int64(out[0]>>21) & 31
bi := int16((out[0] >> 16) & 31)
invertible := false
if bo&0x14 == 0x14 {
// A conditional branch that is unconditionally taken. This cannot be inverted.
} else if bo&0x10 == 0x10 {
// A branch based on the value of CTR. Invert the CTR comparison against zero bit.
bo ^= 0x2
invertible = true
} else if bo&0x04 == 0x04 {
// A branch based on CR bit. Invert the BI comparison bit.
bo ^= 0x8
invertible = true
}
if invertible {
// Rewrite
// BC bo,...,far_away_target
// NEXT_INSN
// to:
// BC invert(bo),next_insn
// JMP far_away_target
// next_insn:
// NEXT_INSN
p.As = ABC
p.From = obj.Addr{Type: obj.TYPE_CONST, Name: obj.NAME_NONE, Offset: bo}
q = c.newprog()
q.As = ABR
q.To.Type = obj.TYPE_BRANCH
q.To.SetTarget(p.To.Target())
q.Link = p.Link
p.To.SetTarget(p.Link)
p.Link = q
p.Reg = REG_CRBIT0 + bi
} else {
// Rewrite
// BC ...,far_away_target
// NEXT_INSN
// to
// BC ...,tmp
// JMP next_insn
// tmp:
// JMP far_away_target
// next_insn:
// NEXT_INSN
q = c.newprog()
q.Link = p.Link
p.Link = q
q.As = ABR
q.To.Type = obj.TYPE_BRANCH
q.To.SetTarget(p.To.Target())
p.To.SetTarget(q)
q = c.newprog()
q.Link = p.Link
p.Link = q
q.As = ABR
q.To.Type = obj.TYPE_BRANCH
q.To.SetTarget(q.Link.Link)
}
bflag = 1
}
}
m = int(o.size)
if m == 0 {
if p.As == obj.APCALIGN {
a := c.vregoff(&p.From)
m = addpad(pc, a, ctxt, cursym)
} else {
if p.As != obj.ANOP && p.As != obj.AFUNCDATA && p.As != obj.APCDATA {
ctxt.Diag("zero-width instruction\n%v", p)
}
continue
}
}
// Prefixed instructions cannot be placed across a 64B boundary.
// Mark and adjust the PC of those which do. A nop will be
// inserted during final assembly.
if o.ispfx {
mark := p.Mark &^ PFX_X64B
if pc&63 == 60 {
p.Pc += 4
m += 4
mark |= PFX_X64B
}
// Marks may be adjusted if a too-far conditional branch is
// fixed up above. Likewise, inserting a NOP may cause a
// branch target to become too far away. We need to run
// another iteration and verify no additional changes
// are needed.
if mark != p.Mark {
bflag = 1
p.Mark = mark
}
// Check for 16 or 32B crossing of this prefixed insn.
// These do no require padding, but do require increasing
// the function alignment to prevent them from potentially
// crossing a 64B boundary when the linker assigns the final
// PC.
switch p.Pc & 31 {
case 28: // 32B crossing
falign = 64
case 12: // 16B crossing
if falign < 64 {
falign = 32
}
}
}
pc += int64(m)
}
c.cursym.Size = pc
}
c.cursym.Size = pc
c.cursym.Func().Align = falign
c.cursym.Grow(c.cursym.Size)
// lay out the code, emitting code and data relocations.
bp := c.cursym.P
nop := LOP_IRR(OP_ORI, REGZERO, REGZERO, 0)
var i int32
for p := c.cursym.Func().Text.Link; p != nil; p = p.Link {
c.pc = p.Pc
o = c.oplook(p)
if int(o.size) > 4*len(out) {
log.Fatalf("out array in span9 is too small, need at least %d for %v", o.size/4, p)
}
// asmout is not set up to add large amounts of padding
if o.type_ == 0 && p.As == obj.APCALIGN {
aln := c.vregoff(&p.From)
v := addpad(p.Pc, aln, c.ctxt, c.cursym)
if v > 0 {
// Same padding instruction for all
for i = 0; i < int32(v/4); i++ {
c.ctxt.Arch.ByteOrder.PutUint32(bp, nop)
bp = bp[4:]
}
}
} else {
if p.Mark&PFX_X64B != 0 {
c.ctxt.Arch.ByteOrder.PutUint32(bp, nop)
bp = bp[4:]
}
c.asmout(p, o, out[:])
for i = 0; i < int32(o.size/4); i++ {
c.ctxt.Arch.ByteOrder.PutUint32(bp, out[i])
bp = bp[4:]
}
}
}
}
func isint32(v int64) bool {
return int64(int32(v)) == v
}
func isuint32(v uint64) bool {
return uint64(uint32(v)) == v
}
func (c *ctxt9) aclassreg(reg int16) int {
if REG_R0 <= reg && reg <= REG_R31 {
return C_REGP + int(reg&1)
}
if REG_F0 <= reg && reg <= REG_F31 {
return C_FREGP + int(reg&1)
}
if REG_V0 <= reg && reg <= REG_V31 {
return C_VREG
}
if REG_VS0 <= reg && reg <= REG_VS63 {
return C_VSREGP + int(reg&1)
}
if REG_CR0 <= reg && reg <= REG_CR7 || reg == REG_CR {
return C_CREG
}
if REG_CR0LT <= reg && reg <= REG_CR7SO {
return C_CRBIT
}
if REG_SPR0 <= reg && reg <= REG_SPR0+1023 {
switch reg {
case REG_LR:
return C_LR
case REG_XER:
return C_XER
case REG_CTR:
return C_CTR
}
return C_SPR
}
if reg == REG_FPSCR {
return C_FPSCR
}
return C_GOK
}
func (c *ctxt9) aclass(a *obj.Addr) int {
switch a.Type {
case obj.TYPE_NONE:
return C_NONE
case obj.TYPE_REG:
return c.aclassreg(a.Reg)
case obj.TYPE_MEM:
switch a.Name {
case obj.NAME_GOTREF, obj.NAME_TOCREF:
return C_ADDR
case obj.NAME_EXTERN,
obj.NAME_STATIC:
c.instoffset = a.Offset
if a.Sym == nil {
break
} else if a.Sym.Type == objabi.STLSBSS {
// For PIC builds, use 12 byte got initial-exec TLS accesses.
if c.ctxt.Flag_shared {
return C_TLS_IE
}
// Otherwise, use 8 byte local-exec TLS accesses.
return C_TLS_LE
} else {
return C_ADDR
}
case obj.NAME_AUTO:
c.instoffset = int64(c.autosize) + a.Offset
if c.instoffset >= -BIG && c.instoffset < BIG {
return C_SOREG
}
return C_LOREG
case obj.NAME_PARAM:
c.instoffset = int64(c.autosize) + a.Offset + c.ctxt.Arch.FixedFrameSize
if c.instoffset >= -BIG && c.instoffset < BIG {
return C_SOREG
}
return C_LOREG
case obj.NAME_NONE:
c.instoffset = a.Offset
if c.instoffset == 0 {
return C_ZOREG
}
if c.instoffset >= -BIG && c.instoffset < BIG {
return C_SOREG
}
return C_LOREG
}
return C_GOK
case obj.TYPE_TEXTSIZE:
return C_TEXTSIZE
case obj.TYPE_FCONST:
// The only cases where FCONST will occur are with float64 +/- 0.
// All other float constants are generated in memory.
f64 := a.Val.(float64)
if f64 == 0 {
if math.Signbit(f64) {
return C_ADDCON
}
return C_ZCON
}
log.Fatalf("Unexpected nonzero FCONST operand %v", a)
case obj.TYPE_CONST,
obj.TYPE_ADDR:
switch a.Name {
case obj.NAME_NONE:
c.instoffset = a.Offset
if a.Reg != 0 {
if -BIG <= c.instoffset && c.instoffset < BIG {
return C_SACON
}
if isint32(c.instoffset) {
return C_LACON
}
return C_DACON
}
case obj.NAME_EXTERN,
obj.NAME_STATIC:
s := a.Sym
if s == nil {
return C_GOK
}
c.instoffset = a.Offset
return C_LACON
case obj.NAME_AUTO:
c.instoffset = int64(c.autosize) + a.Offset
if c.instoffset >= -BIG && c.instoffset < BIG {
return C_SACON
}
return C_LACON
case obj.NAME_PARAM:
c.instoffset = int64(c.autosize) + a.Offset + c.ctxt.Arch.FixedFrameSize
if c.instoffset >= -BIG && c.instoffset < BIG {
return C_SACON
}
return C_LACON
default:
return C_GOK
}
if c.instoffset >= 0 {
sbits := bits.Len64(uint64(c.instoffset))
switch {
case sbits <= 5:
return C_ZCON + sbits
case sbits <= 8:
return C_U8CON
case sbits <= 15:
return C_U15CON
case sbits <= 16:
return C_U16CON
case sbits <= 31:
// Special case, a positive int32 value which is a multiple of 2^16
if c.instoffset&0xFFFF == 0 {
return C_U3216CON
}
return C_U32CON
case sbits <= 32:
return C_U32CON
case sbits <= 33:
return C_S34CON
default:
return C_64CON
}
} else {
sbits := bits.Len64(uint64(^c.instoffset))
switch {
case sbits <= 15:
return C_S16CON
case sbits <= 31:
// Special case, a negative int32 value which is a multiple of 2^16
if c.instoffset&0xFFFF == 0 {
return C_S3216CON
}
return C_S32CON
case sbits <= 33:
return C_S34CON
default:
return C_64CON
}
}
case obj.TYPE_BRANCH:
if a.Sym != nil && c.ctxt.Flag_dynlink {
return C_LBRAPIC
}
return C_SBRA
}
return C_GOK
}
func prasm(p *obj.Prog) {
fmt.Printf("%v\n", p)
}
func (c *ctxt9) oplook(p *obj.Prog) *Optab {
a1 := int(p.Optab)
if a1 != 0 {
return &optab[a1-1]
}
a1 = int(p.From.Class)
if a1 == 0 {
a1 = c.aclass(&p.From) + 1
p.From.Class = int8(a1)
}
a1--
argsv := [3]int{C_NONE + 1, C_NONE + 1, C_NONE + 1}
for i, ap := range p.RestArgs {
argsv[i] = int(ap.Addr.Class)
if argsv[i] == 0 {
argsv[i] = c.aclass(&ap.Addr) + 1
ap.Addr.Class = int8(argsv[i])
}
}
a3 := argsv[0] - 1
a4 := argsv[1] - 1
a5 := argsv[2] - 1
a6 := int(p.To.Class)
if a6 == 0 {
a6 = c.aclass(&p.To) + 1
p.To.Class = int8(a6)
}
a6--
a2 := C_NONE
if p.Reg != 0 {
a2 = c.aclassreg(p.Reg)
}
// c.ctxt.Logf("oplook %v %d %d %d %d\n", p, a1, a2, a3, a4, a5, a6)
ops := oprange[p.As&obj.AMask]
c1 := &xcmp[a1]
c2 := &xcmp[a2]
c3 := &xcmp[a3]
c4 := &xcmp[a4]
c5 := &xcmp[a5]
c6 := &xcmp[a6]
for i := range ops {
op := &ops[i]
if c1[op.a1] && c2[op.a2] && c3[op.a3] && c4[op.a4] && c5[op.a5] && c6[op.a6] {
p.Optab = uint16(cap(optab) - cap(ops) + i + 1)
return op
}
}
c.ctxt.Diag("illegal combination %v %v %v %v %v %v %v", p.As, DRconv(a1), DRconv(a2), DRconv(a3), DRconv(a4), DRconv(a5), DRconv(a6))
prasm(p)
if ops == nil {
ops = optab
}
return &ops[0]
}
// Compare two operand types (ex C_REG, or C_SCON)
// and return true if b is compatible with a.
//
// Argument comparison isn't reflexitive, so care must be taken.
// a is the argument type as found in optab, b is the argument as
// fitted by aclass.
func cmp(a int, b int) bool {
if a == b {
return true
}
switch a {
case C_SPR:
if b == C_LR || b == C_XER || b == C_CTR {
return true
}
case C_U1CON:
return cmp(C_ZCON, b)
case C_U2CON:
return cmp(C_U1CON, b)
case C_U3CON:
return cmp(C_U2CON, b)
case C_U4CON:
return cmp(C_U3CON, b)
case C_U5CON:
return cmp(C_U4CON, b)
case C_U8CON:
return cmp(C_U5CON, b)
case C_U15CON:
return cmp(C_U8CON, b)
case C_U16CON:
return cmp(C_U15CON, b)
case C_S16CON:
return cmp(C_U15CON, b)
case C_32CON:
return cmp(C_S16CON, b) || cmp(C_U16CON, b) || cmp(C_32S16CON, b)
case C_S34CON:
return cmp(C_32CON, b)
case C_64CON:
return cmp(C_S34CON, b)
case C_32S16CON:
return cmp(C_ZCON, b)
case C_LACON:
return cmp(C_SACON, b)
case C_LBRA:
return cmp(C_SBRA, b)
case C_SOREG:
return cmp(C_ZOREG, b)
case C_LOREG:
return cmp(C_SOREG, b)
// An even/odd register input always matches the regular register types.
case C_REG:
return cmp(C_REGP, b) || (b == C_ZCON && r0iszero != 0)
case C_FREG:
return cmp(C_FREGP, b)
case C_VSREG:
/* Allow any VR argument as a VSR operand. */
return cmp(C_VSREGP, b) || cmp(C_VREG, b)
case C_ANY:
return true
}
return false
}
type ocmp []Optab
func (x ocmp) Len() int {
return len(x)
}
func (x ocmp) Swap(i, j int) {
x[i], x[j] = x[j], x[i]
}
// Used when sorting the optab. Sorting is
// done in a way so that the best choice of
// opcode/operand combination is considered first.
func (x ocmp) Less(i, j int) bool {
p1 := &x[i]
p2 := &x[j]
n := int(p1.as) - int(p2.as)
// same opcode
if n != 0 {
return n < 0
}
// Consider those that generate fewer
// instructions first.
n = int(p1.size) - int(p2.size)
if n != 0 {
return n < 0
}
// operand order should match
// better choices first
n = int(p1.a1) - int(p2.a1)
if n != 0 {
return n < 0
}
n = int(p1.a2) - int(p2.a2)
if n != 0 {
return n < 0
}
n = int(p1.a3) - int(p2.a3)
if n != 0 {
return n < 0
}
n = int(p1.a4) - int(p2.a4)
if n != 0 {
return n < 0
}
n = int(p1.a5) - int(p2.a5)
if n != 0 {
return n < 0
}
n = int(p1.a6) - int(p2.a6)
if n != 0 {
return n < 0
}
return false
}
// Add an entry to the opcode table for
// a new opcode b0 with the same operand combinations
// as opcode a.
func opset(a, b0 obj.As) {
oprange[a&obj.AMask] = oprange[b0]
}
// Build the opcode table
func buildop(ctxt *obj.Link) {
if oprange[AANDN&obj.AMask] != nil {
// Already initialized; stop now.
// This happens in the cmd/asm tests,
// each of which re-initializes the arch.
return
}
var n int
for i := 0; i < C_NCLASS; i++ {
for n = 0; n < C_NCLASS; n++ {
if cmp(n, i) {
xcmp[i][n] = true
}
}
}
for n = 0; optab[n].as != obj.AXXX; n++ {
}
sort.Sort(ocmp(optab[:n]))
for i := 0; i < n; i++ {
r := optab[i].as
r0 := r & obj.AMask
start := i
for optab[i].as == r {
i++
}
oprange[r0] = optab[start:i]
i--
switch r {
default:
ctxt.Diag("unknown op in build: %v", r)
log.Fatalf("instruction missing from switch in asm9.go:buildop: %v", r)
case ADCBF: /* unary indexed: op (b+a); op (b) */
opset(ADCBI, r0)
opset(ADCBST, r0)
opset(ADCBT, r0)
opset(ADCBTST, r0)
opset(ADCBZ, r0)
opset(AICBI, r0)
case AECOWX: /* indexed store: op s,(b+a); op s,(b) */
opset(ASTWCCC, r0)
opset(ASTHCCC, r0)
opset(ASTBCCC, r0)
opset(ASTDCCC, r0)
case AREM: /* macro */
opset(AREM, r0)
case AREMU:
opset(AREMU, r0)
case AREMD:
opset(AREMDU, r0)
case AMULLW:
opset(AMULLD, r0)
case ADIVW: /* op Rb[,Ra],Rd */
opset(AMULHW, r0)
opset(AMULHWCC, r0)
opset(AMULHWU, r0)
opset(AMULHWUCC, r0)
opset(AMULLWCC, r0)
opset(AMULLWVCC, r0)
opset(AMULLWV, r0)
opset(ADIVWCC, r0)
opset(ADIVWV, r0)
opset(ADIVWVCC, r0)
opset(ADIVWU, r0)
opset(ADIVWUCC, r0)
opset(ADIVWUV, r0)
opset(ADIVWUVCC, r0)
opset(AMODUD, r0)
opset(AMODUW, r0)
opset(AMODSD, r0)
opset(AMODSW, r0)
opset(AADDCC, r0)
opset(AADDCV, r0)
opset(AADDCVCC, r0)
opset(AADDV, r0)
opset(AADDVCC, r0)
opset(AADDE, r0)
opset(AADDECC, r0)
opset(AADDEV, r0)
opset(AADDEVCC, r0)
opset(AMULHD, r0)
opset(AMULHDCC, r0)
opset(AMULHDU, r0)
opset(AMULHDUCC, r0)
opset(AMULLDCC, r0)
opset(AMULLDVCC, r0)
opset(AMULLDV, r0)
opset(ADIVD, r0)
opset(ADIVDCC, r0)
opset(ADIVDE, r0)
opset(ADIVDEU, r0)
opset(ADIVDECC, r0)
opset(ADIVDEUCC, r0)
opset(ADIVDVCC, r0)
opset(ADIVDV, r0)
opset(ADIVDU, r0)
opset(ADIVDUV, r0)
opset(ADIVDUVCC, r0)
opset(ADIVDUCC, r0)
case ACRAND:
opset(ACRANDN, r0)
opset(ACREQV, r0)
opset(ACRNAND, r0)
opset(ACRNOR, r0)
opset(ACROR, r0)
opset(ACRORN, r0)
opset(ACRXOR, r0)
case APOPCNTD: /* popcntd, popcntw, popcntb, cnttzw, cnttzd */
opset(APOPCNTW, r0)
opset(APOPCNTB, r0)
opset(ACNTTZW, r0)
opset(ACNTTZWCC, r0)
opset(ACNTTZD, r0)
opset(ACNTTZDCC, r0)
case ACOPY: /* copy, paste. */
opset(APASTECC, r0)
case AMADDHD: /* maddhd, maddhdu, maddld */
opset(AMADDHDU, r0)
opset(AMADDLD, r0)
case AMOVBZ: /* lbz, stz, rlwm(r/r), lhz, lha, stz, and x variants */
opset(AMOVH, r0)
opset(AMOVHZ, r0)
case AMOVBZU: /* lbz[x]u, stb[x]u, lhz[x]u, lha[x]u, sth[u]x, ld[x]u, std[u]x */
opset(AMOVHU, r0)
opset(AMOVHZU, r0)
opset(AMOVWU, r0)
opset(AMOVWZU, r0)
opset(AMOVDU, r0)
opset(AMOVMW, r0)
case ALV: /* lvebx, lvehx, lvewx, lvx, lvxl, lvsl, lvsr */
opset(ALVEBX, r0)
opset(ALVEHX, r0)
opset(ALVEWX, r0)
opset(ALVX, r0)
opset(ALVXL, r0)
opset(ALVSL, r0)
opset(ALVSR, r0)
case ASTV: /* stvebx, stvehx, stvewx, stvx, stvxl */
opset(ASTVEBX, r0)
opset(ASTVEHX, r0)
opset(ASTVEWX, r0)
opset(ASTVX, r0)
opset(ASTVXL, r0)
case AVAND: /* vand, vandc, vnand */
opset(AVAND, r0)
opset(AVANDC, r0)
opset(AVNAND, r0)
case AVMRGOW: /* vmrgew, vmrgow */
opset(AVMRGEW, r0)
case AVOR: /* vor, vorc, vxor, vnor, veqv */
opset(AVOR, r0)
opset(AVORC, r0)
opset(AVXOR, r0)
opset(AVNOR, r0)
opset(AVEQV, r0)
case AVADDUM: /* vaddubm, vadduhm, vadduwm, vaddudm, vadduqm */
opset(AVADDUBM, r0)
opset(AVADDUHM, r0)
opset(AVADDUWM, r0)
opset(AVADDUDM, r0)
opset(AVADDUQM, r0)
case AVADDCU: /* vaddcuq, vaddcuw */
opset(AVADDCUQ, r0)
opset(AVADDCUW, r0)
case AVADDUS: /* vaddubs, vadduhs, vadduws */
opset(AVADDUBS, r0)
opset(AVADDUHS, r0)
opset(AVADDUWS, r0)
case AVADDSS: /* vaddsbs, vaddshs, vaddsws */
opset(AVADDSBS, r0)
opset(AVADDSHS, r0)
opset(AVADDSWS, r0)
case AVADDE: /* vaddeuqm, vaddecuq */
opset(AVADDEUQM, r0)
opset(AVADDECUQ, r0)
case AVSUBUM: /* vsububm, vsubuhm, vsubuwm, vsubudm, vsubuqm */
opset(AVSUBUBM, r0)
opset(AVSUBUHM, r0)
opset(AVSUBUWM, r0)
opset(AVSUBUDM, r0)
opset(AVSUBUQM, r0)
case AVSUBCU: /* vsubcuq, vsubcuw */
opset(AVSUBCUQ, r0)
opset(AVSUBCUW, r0)
case AVSUBUS: /* vsububs, vsubuhs, vsubuws */
opset(AVSUBUBS, r0)
opset(AVSUBUHS, r0)
opset(AVSUBUWS, r0)
case AVSUBSS: /* vsubsbs, vsubshs, vsubsws */
opset(AVSUBSBS, r0)
opset(AVSUBSHS, r0)
opset(AVSUBSWS, r0)
case AVSUBE: /* vsubeuqm, vsubecuq */
opset(AVSUBEUQM, r0)
opset(AVSUBECUQ, r0)
case AVMULESB: /* vmulesb, vmulosb, vmuleub, vmuloub, vmulosh, vmulouh, vmulesw, vmulosw, vmuleuw, vmulouw, vmuluwm */
opset(AVMULOSB, r0)
opset(AVMULEUB, r0)
opset(AVMULOUB, r0)
opset(AVMULESH, r0)
opset(AVMULOSH, r0)
opset(AVMULEUH, r0)
opset(AVMULOUH, r0)
opset(AVMULESW, r0)
opset(AVMULOSW, r0)
opset(AVMULEUW, r0)
opset(AVMULOUW, r0)
opset(AVMULUWM, r0)
case AVPMSUM: /* vpmsumb, vpmsumh, vpmsumw, vpmsumd */
opset(AVPMSUMB, r0)
opset(AVPMSUMH, r0)
opset(AVPMSUMW, r0)
opset(AVPMSUMD, r0)
case AVR: /* vrlb, vrlh, vrlw, vrld */
opset(AVRLB, r0)
opset(AVRLH, r0)
opset(AVRLW, r0)
opset(AVRLD, r0)
case AVS: /* vs[l,r], vs[l,r]o, vs[l,r]b, vs[l,r]h, vs[l,r]w, vs[l,r]d */
opset(AVSLB, r0)
opset(AVSLH, r0)
opset(AVSLW, r0)
opset(AVSL, r0)
opset(AVSLO, r0)
opset(AVSRB, r0)
opset(AVSRH, r0)
opset(AVSRW, r0)
opset(AVSR, r0)
opset(AVSRO, r0)
opset(AVSLD, r0)
opset(AVSRD, r0)
case AVSA: /* vsrab, vsrah, vsraw, vsrad */
opset(AVSRAB, r0)
opset(AVSRAH, r0)
opset(AVSRAW, r0)
opset(AVSRAD, r0)
case AVSOI: /* vsldoi */
opset(AVSLDOI, r0)
case AVCLZ: /* vclzb, vclzh, vclzw, vclzd */
opset(AVCLZB, r0)
opset(AVCLZH, r0)
opset(AVCLZW, r0)
opset(AVCLZD, r0)
case AVPOPCNT: /* vpopcntb, vpopcnth, vpopcntw, vpopcntd */
opset(AVPOPCNTB, r0)
opset(AVPOPCNTH, r0)
opset(AVPOPCNTW, r0)
opset(AVPOPCNTD, r0)
case AVCMPEQ: /* vcmpequb[.], vcmpequh[.], vcmpequw[.], vcmpequd[.] */
opset(AVCMPEQUB, r0)
opset(AVCMPEQUBCC, r0)
opset(AVCMPEQUH, r0)
opset(AVCMPEQUHCC, r0)
opset(AVCMPEQUW, r0)
opset(AVCMPEQUWCC, r0)
opset(AVCMPEQUD, r0)
opset(AVCMPEQUDCC, r0)
case AVCMPGT: /* vcmpgt[u,s]b[.], vcmpgt[u,s]h[.], vcmpgt[u,s]w[.], vcmpgt[u,s]d[.] */
opset(AVCMPGTUB, r0)
opset(AVCMPGTUBCC, r0)
opset(AVCMPGTUH, r0)
opset(AVCMPGTUHCC, r0)
opset(AVCMPGTUW, r0)
opset(AVCMPGTUWCC, r0)
opset(AVCMPGTUD, r0)
opset(AVCMPGTUDCC, r0)
opset(AVCMPGTSB, r0)
opset(AVCMPGTSBCC, r0)
opset(AVCMPGTSH, r0)
opset(AVCMPGTSHCC, r0)
opset(AVCMPGTSW, r0)
opset(AVCMPGTSWCC, r0)
opset(AVCMPGTSD, r0)
opset(AVCMPGTSDCC, r0)
case AVCMPNEZB: /* vcmpnezb[.] */
opset(AVCMPNEZBCC, r0)
opset(AVCMPNEB, r0)
opset(AVCMPNEBCC, r0)
opset(AVCMPNEH, r0)
opset(AVCMPNEHCC, r0)
opset(AVCMPNEW, r0)
opset(AVCMPNEWCC, r0)
case AVPERM: /* vperm */
opset(AVPERMXOR, r0)
opset(AVPERMR, r0)
case AVBPERMQ: /* vbpermq, vbpermd */
opset(AVBPERMD, r0)
case AVSEL: /* vsel */
opset(AVSEL, r0)
case AVSPLTB: /* vspltb, vsplth, vspltw */
opset(AVSPLTH, r0)
opset(AVSPLTW, r0)
case AVSPLTISB: /* vspltisb, vspltish, vspltisw */
opset(AVSPLTISH, r0)
opset(AVSPLTISW, r0)
case AVCIPH: /* vcipher, vcipherlast */
opset(AVCIPHER, r0)
opset(AVCIPHERLAST, r0)
case AVNCIPH: /* vncipher, vncipherlast */
opset(AVNCIPHER, r0)
opset(AVNCIPHERLAST, r0)
case AVSBOX: /* vsbox */
opset(AVSBOX, r0)
case AVSHASIGMA: /* vshasigmaw, vshasigmad */
opset(AVSHASIGMAW, r0)
opset(AVSHASIGMAD, r0)
case ALXVD2X: /* lxvd2x, lxvdsx, lxvw4x, lxvh8x, lxvb16x */
opset(ALXVDSX, r0)
opset(ALXVW4X, r0)
opset(ALXVH8X, r0)
opset(ALXVB16X, r0)
case ALXV: /* lxv */
opset(ALXV, r0)
case ALXVL: /* lxvl, lxvll, lxvx */
opset(ALXVLL, r0)
opset(ALXVX, r0)
case ASTXVD2X: /* stxvd2x, stxvdsx, stxvw4x, stxvh8x, stxvb16x */
opset(ASTXVW4X, r0)
opset(ASTXVH8X, r0)
opset(ASTXVB16X, r0)
case ASTXV: /* stxv */
opset(ASTXV, r0)
case ASTXVL: /* stxvl, stxvll, stvx */
opset(ASTXVLL, r0)
opset(ASTXVX, r0)
case ALXSDX: /* lxsdx */
opset(ALXSDX, r0)
case ASTXSDX: /* stxsdx */
opset(ASTXSDX, r0)
case ALXSIWAX: /* lxsiwax, lxsiwzx */
opset(ALXSIWZX, r0)
case ASTXSIWX: /* stxsiwx */
opset(ASTXSIWX, r0)
case AMFVSRD: /* mfvsrd, mfvsrwz (and extended mnemonics), mfvsrld */
opset(AMFFPRD, r0)
opset(AMFVRD, r0)
opset(AMFVSRWZ, r0)
opset(AMFVSRLD, r0)
case AMTVSRD: /* mtvsrd, mtvsrwa, mtvsrwz (and extended mnemonics), mtvsrdd, mtvsrws */
opset(AMTFPRD, r0)
opset(AMTVRD, r0)
opset(AMTVSRWA, r0)
opset(AMTVSRWZ, r0)
opset(AMTVSRWS, r0)
case AXXLAND: /* xxland, xxlandc, xxleqv, xxlnand */
opset(AXXLANDC, r0)
opset(AXXLEQV, r0)
opset(AXXLNAND, r0)
case AXXLOR: /* xxlorc, xxlnor, xxlor, xxlxor */
opset(AXXLORC, r0)
opset(AXXLNOR, r0)
opset(AXXLORQ, r0)
opset(AXXLXOR, r0)
case AXXSEL: /* xxsel */
opset(AXXSEL, r0)
case AXXMRGHW: /* xxmrghw, xxmrglw */
opset(AXXMRGLW, r0)
case AXXSPLTW: /* xxspltw */
opset(AXXSPLTW, r0)
case AXXSPLTIB: /* xxspltib */
opset(AXXSPLTIB, r0)
case AXXPERM: /* xxpermdi */
opset(AXXPERM, r0)
case AXXSLDWI: /* xxsldwi */
opset(AXXPERMDI, r0)
opset(AXXSLDWI, r0)
case AXXBRQ: /* xxbrq, xxbrd, xxbrw, xxbrh */
opset(AXXBRD, r0)
opset(AXXBRW, r0)
opset(AXXBRH, r0)
case AXSCVDPSP: /* xscvdpsp, xscvspdp, xscvdpspn, xscvspdpn */
opset(AXSCVSPDP, r0)
opset(AXSCVDPSPN, r0)
opset(AXSCVSPDPN, r0)
case AXVCVDPSP: /* xvcvdpsp, xvcvspdp */
opset(AXVCVSPDP, r0)
case AXSCVDPSXDS: /* xscvdpsxds, xscvdpsxws, xscvdpuxds, xscvdpuxws */
opset(AXSCVDPSXWS, r0)
opset(AXSCVDPUXDS, r0)
opset(AXSCVDPUXWS, r0)
case AXSCVSXDDP: /* xscvsxddp, xscvuxddp, xscvsxdsp, xscvuxdsp */
opset(AXSCVUXDDP, r0)
opset(AXSCVSXDSP, r0)
opset(AXSCVUXDSP, r0)
case AXVCVDPSXDS: /* xvcvdpsxds, xvcvdpsxws, xvcvdpuxds, xvcvdpuxws, xvcvspsxds, xvcvspsxws, xvcvspuxds, xvcvspuxws */
opset(AXVCVDPSXDS, r0)
opset(AXVCVDPSXWS, r0)
opset(AXVCVDPUXDS, r0)
opset(AXVCVDPUXWS, r0)
opset(AXVCVSPSXDS, r0)
opset(AXVCVSPSXWS, r0)
opset(AXVCVSPUXDS, r0)
opset(AXVCVSPUXWS, r0)
case AXVCVSXDDP: /* xvcvsxddp, xvcvsxwdp, xvcvuxddp, xvcvuxwdp, xvcvsxdsp, xvcvsxwsp, xvcvuxdsp, xvcvuxwsp */
opset(AXVCVSXWDP, r0)
opset(AXVCVUXDDP, r0)
opset(AXVCVUXWDP, r0)
opset(AXVCVSXDSP, r0)
opset(AXVCVSXWSP, r0)
opset(AXVCVUXDSP, r0)
opset(AXVCVUXWSP, r0)
case AAND: /* logical op Rb,Rs,Ra; no literal */
opset(AANDN, r0)
opset(AANDNCC, r0)
opset(AEQV, r0)
opset(AEQVCC, r0)
opset(ANAND, r0)
opset(ANANDCC, r0)
opset(ANOR, r0)
opset(ANORCC, r0)
opset(AORCC, r0)
opset(AORN, r0)
opset(AORNCC, r0)
opset(AXORCC, r0)
case AADDME: /* op Ra, Rd */
opset(AADDMECC, r0)
opset(AADDMEV, r0)
opset(AADDMEVCC, r0)
opset(AADDZE, r0)
opset(AADDZECC, r0)
opset(AADDZEV, r0)
opset(AADDZEVCC, r0)
opset(ASUBME, r0)
opset(ASUBMECC, r0)
opset(ASUBMEV, r0)
opset(ASUBMEVCC, r0)
opset(ASUBZE, r0)
opset(ASUBZECC, r0)
opset(ASUBZEV, r0)
opset(ASUBZEVCC, r0)
case AADDC:
opset(AADDCCC, r0)
case ABEQ:
opset(ABGE, r0)
opset(ABGT, r0)
opset(ABLE, r0)
opset(ABLT, r0)
opset(ABNE, r0)
opset(ABVC, r0)
opset(ABVS, r0)
case ABR:
opset(ABL, r0)
case ABC:
opset(ABCL, r0)
case ABDNZ:
opset(ABDZ, r0)
case AEXTSB: /* op Rs, Ra */
opset(AEXTSBCC, r0)
opset(AEXTSH, r0)
opset(AEXTSHCC, r0)
opset(ACNTLZW, r0)
opset(ACNTLZWCC, r0)
opset(ACNTLZD, r0)
opset(AEXTSW, r0)
opset(AEXTSWCC, r0)
opset(ACNTLZDCC, r0)
case AFABS: /* fop [s,]d */
opset(AFABSCC, r0)
opset(AFNABS, r0)
opset(AFNABSCC, r0)
opset(AFNEG, r0)
opset(AFNEGCC, r0)
opset(AFRSP, r0)
opset(AFRSPCC, r0)
opset(AFCTIW, r0)
opset(AFCTIWCC, r0)
opset(AFCTIWZ, r0)
opset(AFCTIWZCC, r0)
opset(AFCTID, r0)
opset(AFCTIDCC, r0)
opset(AFCTIDZ, r0)
opset(AFCTIDZCC, r0)
opset(AFCFID, r0)
opset(AFCFIDCC, r0)
opset(AFCFIDU, r0)
opset(AFCFIDUCC, r0)
opset(AFCFIDS, r0)
opset(AFCFIDSCC, r0)
opset(AFRES, r0)
opset(AFRESCC, r0)
opset(AFRIM, r0)
opset(AFRIMCC, r0)
opset(AFRIP, r0)
opset(AFRIPCC, r0)
opset(AFRIZ, r0)
opset(AFRIZCC, r0)
opset(AFRIN, r0)
opset(AFRINCC, r0)
opset(AFRSQRTE, r0)
opset(AFRSQRTECC, r0)
opset(AFSQRT, r0)
opset(AFSQRTCC, r0)
opset(AFSQRTS, r0)
opset(AFSQRTSCC, r0)
case AFADD:
opset(AFADDS, r0)
opset(AFADDCC, r0)
opset(AFADDSCC, r0)
opset(AFCPSGN, r0)
opset(AFCPSGNCC, r0)
opset(AFDIV, r0)
opset(AFDIVS, r0)
opset(AFDIVCC, r0)
opset(AFDIVSCC, r0)
opset(AFSUB, r0)
opset(AFSUBS, r0)
opset(AFSUBCC, r0)
opset(AFSUBSCC, r0)
case AFMADD:
opset(AFMADDCC, r0)
opset(AFMADDS, r0)
opset(AFMADDSCC, r0)
opset(AFMSUB, r0)
opset(AFMSUBCC, r0)
opset(AFMSUBS, r0)
opset(AFMSUBSCC, r0)
opset(AFNMADD, r0)
opset(AFNMADDCC, r0)
opset(AFNMADDS, r0)
opset(AFNMADDSCC, r0)
opset(AFNMSUB, r0)
opset(AFNMSUBCC, r0)
opset(AFNMSUBS, r0)
opset(AFNMSUBSCC, r0)
opset(AFSEL, r0)
opset(AFSELCC, r0)
case AFMUL:
opset(AFMULS, r0)
opset(AFMULCC, r0)
opset(AFMULSCC, r0)
case AFCMPO:
opset(AFCMPU, r0)
case AMTFSB0:
opset(AMTFSB0CC, r0)
opset(AMTFSB1, r0)
opset(AMTFSB1CC, r0)
case ANEG: /* op [Ra,] Rd */
opset(ANEGCC, r0)
opset(ANEGV, r0)
opset(ANEGVCC, r0)
case AOR: /* or/xor Rb,Rs,Ra; ori/xori $uimm,Rs,R */
opset(AXOR, r0)
case AORIS: /* oris/xoris $uimm,Rs,Ra */
opset(AXORIS, r0)
case ASLW:
opset(ASLWCC, r0)
opset(ASRW, r0)
opset(ASRWCC, r0)
opset(AROTLW, r0)
case ASLD:
opset(ASLDCC, r0)
opset(ASRD, r0)
opset(ASRDCC, r0)
opset(AROTL, r0)
case ASRAW: /* sraw Rb,Rs,Ra; srawi sh,Rs,Ra */
opset(ASRAWCC, r0)
case AEXTSWSLI:
opset(AEXTSWSLICC, r0)
case ASRAD: /* sraw Rb,Rs,Ra; srawi sh,Rs,Ra */
opset(ASRADCC, r0)
case ASUB: /* SUB Ra,Rb,Rd => subf Rd,ra,rb */
opset(ASUB, r0)
opset(ASUBCC, r0)
opset(ASUBV, r0)
opset(ASUBVCC, r0)
opset(ASUBCCC, r0)
opset(ASUBCV, r0)
opset(ASUBCVCC, r0)
opset(ASUBE, r0)
opset(ASUBECC, r0)
opset(ASUBEV, r0)
opset(ASUBEVCC, r0)
case ASYNC:
opset(AISYNC, r0)
opset(ALWSYNC, r0)
opset(APTESYNC, r0)
opset(ATLBSYNC, r0)
case ARLWMI:
opset(ARLWMICC, r0)
opset(ARLWNM, r0)
opset(ARLWNMCC, r0)
case ARLDMI:
opset(ARLDMICC, r0)
opset(ARLDIMI, r0)
opset(ARLDIMICC, r0)
case ARLDC:
opset(ARLDCCC, r0)
case ARLDCL:
opset(ARLDCR, r0)
opset(ARLDCLCC, r0)
opset(ARLDCRCC, r0)
case ARLDICL:
opset(ARLDICLCC, r0)
opset(ARLDICR, r0)
opset(ARLDICRCC, r0)
opset(ARLDIC, r0)
opset(ARLDICCC, r0)
opset(ACLRLSLDI, r0)
case AFMOVD:
opset(AFMOVDCC, r0)
opset(AFMOVDU, r0)
opset(AFMOVS, r0)
opset(AFMOVSU, r0)
case ALDAR:
opset(ALBAR, r0)
opset(ALHAR, r0)
opset(ALWAR, r0)
case ASYSCALL: /* just the op; flow of control */
opset(ARFI, r0)
opset(ARFCI, r0)
opset(ARFID, r0)
opset(AHRFID, r0)
case AMOVHBR:
opset(AMOVWBR, r0)
opset(AMOVDBR, r0)
case ASLBMFEE:
opset(ASLBMFEV, r0)
case ATW:
opset(ATD, r0)
case ATLBIE:
opset(ASLBIE, r0)
opset(ATLBIEL, r0)
case AEIEIO:
opset(ASLBIA, r0)
case ACMP:
opset(ACMPW, r0)
case ACMPU:
opset(ACMPWU, r0)
case ACMPB:
opset(ACMPB, r0)
case AFTDIV:
opset(AFTDIV, r0)
case AFTSQRT:
opset(AFTSQRT, r0)
case AMOVW: /* load/store/move word with sign extension; move 32-bit literals */
opset(AMOVWZ, r0) /* Same as above, but zero extended */
case AADD,
AADDIS,
AANDCC, /* and. Rb,Rs,Ra; andi. $uimm,Rs,Ra */
AANDISCC,
AFMOVSX,
AFMOVSZ,
ALSW,
AMOVD, /* load/store/move 64-bit values, including 32-bit literals with/without sign-extension */
AMOVB, /* macro: move byte with sign extension */
AMOVBU, /* macro: move byte with sign extension & update */
AMOVFL,
/* op $s[,r2],r3; op r1[,r2],r3; no cc/v */
ASUBC, /* op r1,$s,r3; op r1[,r2],r3 */
ASTSW,
ASLBMTE,
AWORD,
ADWORD,
ADARN,
ALDMX,
AVMSUMUDM,
AADDEX,
ACMPEQB,
AECIWX,
ACLRLSLWI,
AMTVSRDD,
APNOP,
AISEL,
obj.ANOP,
obj.ATEXT,
obj.AUNDEF,
obj.AFUNCDATA,
obj.APCALIGN,
obj.APCDATA,
obj.ADUFFZERO,
obj.ADUFFCOPY:
break
}
}
}
func OPVXX1(o uint32, xo uint32, oe uint32) uint32 {
return o<<26 | xo<<1 | oe<<11
}
func OPVXX2(o uint32, xo uint32, oe uint32) uint32 {
return o<<26 | xo<<2 | oe<<11
}
func OPVXX2VA(o uint32, xo uint32, oe uint32) uint32 {
return o<<26 | xo<<2 | oe<<16
}
func OPVXX3(o uint32, xo uint32, oe uint32) uint32 {
return o<<26 | xo<<3 | oe<<11
}
func OPVXX4(o uint32, xo uint32, oe uint32) uint32 {
return o<<26 | xo<<4 | oe<<11
}
func OPDQ(o uint32, xo uint32, oe uint32) uint32 {
return o<<26 | xo | oe<<4
}
func OPVX(o uint32, xo uint32, oe uint32, rc uint32) uint32 {
return o<<26 | xo | oe<<11 | rc&1
}
func OPVC(o uint32, xo uint32, oe uint32, rc uint32) uint32 {
return o<<26 | xo | oe<<11 | (rc&1)<<10
}
func OPVCC(o uint32, xo uint32, oe uint32, rc uint32) uint32 {
return o<<26 | xo<<1 | oe<<10 | rc&1
}
func OPCC(o uint32, xo uint32, rc uint32) uint32 {
return OPVCC(o, xo, 0, rc)
}
/* Generate MD-form opcode */
func OPMD(o, xo, rc uint32) uint32 {
return o<<26 | xo<<2 | rc&1
}
/* the order is dest, a/s, b/imm for both arithmetic and logical operations */
func AOP_RRR(op uint32, d uint32, a uint32, b uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | (b&31)<<11
}
/* VX-form 2-register operands, r/none/r */
func AOP_RR(op uint32, d uint32, a uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<11
}
/* VA-form 4-register operands */
func AOP_RRRR(op uint32, d uint32, a uint32, b uint32, c uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | (b&31)<<11 | (c&31)<<6
}
func AOP_IRR(op uint32, d uint32, a uint32, simm uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | simm&0xFFFF
}
/* VX-form 2-register + UIM operands */
func AOP_VIRR(op uint32, d uint32, a uint32, simm uint32) uint32 {
return op | (d&31)<<21 | (simm&0xFFFF)<<16 | (a&31)<<11
}
/* VX-form 2-register + ST + SIX operands */
func AOP_IIRR(op uint32, d uint32, a uint32, sbit uint32, simm uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | (sbit&1)<<15 | (simm&0xF)<<11
}
/* VA-form 3-register + SHB operands */
func AOP_IRRR(op uint32, d uint32, a uint32, b uint32, simm uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | (b&31)<<11 | (simm&0xF)<<6
}
/* VX-form 1-register + SIM operands */
func AOP_IR(op uint32, d uint32, simm uint32) uint32 {
return op | (d&31)<<21 | (simm&31)<<16
}
/* XX1-form 3-register operands, 1 VSR operand */
func AOP_XX1(op uint32, r uint32, a uint32, b uint32) uint32 {
return op | (r&31)<<21 | (a&31)<<16 | (b&31)<<11 | (r&32)>>5
}
/* XX2-form 3-register operands, 2 VSR operands */
func AOP_XX2(op uint32, xt uint32, a uint32, xb uint32) uint32 {
return op | (xt&31)<<21 | (a&3)<<16 | (xb&31)<<11 | (xb&32)>>4 | (xt&32)>>5
}
/* XX3-form 3 VSR operands */
func AOP_XX3(op uint32, xt uint32, xa uint32, xb uint32) uint32 {
return op | (xt&31)<<21 | (xa&31)<<16 | (xb&31)<<11 | (xa&32)>>3 | (xb&32)>>4 | (xt&32)>>5
}
/* XX3-form 3 VSR operands + immediate */
func AOP_XX3I(op uint32, xt uint32, xa uint32, xb uint32, c uint32) uint32 {
return op | (xt&31)<<21 | (xa&31)<<16 | (xb&31)<<11 | (c&3)<<8 | (xa&32)>>3 | (xb&32)>>4 | (xt&32)>>5
}
/* XX4-form, 4 VSR operands */
func AOP_XX4(op uint32, xt uint32, xa uint32, xb uint32, xc uint32) uint32 {
return op | (xt&31)<<21 | (xa&31)<<16 | (xb&31)<<11 | (xc&31)<<6 | (xc&32)>>2 | (xa&32)>>3 | (xb&32)>>4 | (xt&32)>>5
}
/* DQ-form, VSR register, register + offset operands */
func AOP_DQ(op uint32, xt uint32, a uint32, b uint32) uint32 {
/* The EA for this instruction form is (RA) + DQ << 4, where DQ is a 12-bit signed integer. */
/* In order to match the output of the GNU objdump (and make the usage in Go asm easier), the */
/* instruction is called using the sign extended value (i.e. a valid offset would be -32752 or 32752, */
/* not -2047 or 2047), so 'b' needs to be adjusted to the expected 12-bit DQ value. Bear in mind that */
/* bits 0 to 3 in 'dq' need to be zero, otherwise this will generate an illegal instruction. */
/* If in doubt how this instruction form is encoded, refer to ISA 3.0b, pages 492 and 507. */
dq := b >> 4
return op | (xt&31)<<21 | (a&31)<<16 | (dq&4095)<<4 | (xt&32)>>2
}
/* Z23-form, 3-register operands + CY field */
func AOP_Z23I(op uint32, d uint32, a uint32, b uint32, c uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | (b&31)<<11 | (c&3)<<9
}
/* X-form, 3-register operands + EH field */
func AOP_RRRI(op uint32, d uint32, a uint32, b uint32, c uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | (b&31)<<11 | (c & 1)
}
func LOP_RRR(op uint32, a uint32, s uint32, b uint32) uint32 {
return op | (s&31)<<21 | (a&31)<<16 | (b&31)<<11
}
func LOP_IRR(op uint32, a uint32, s uint32, uimm uint32) uint32 {
return op | (s&31)<<21 | (a&31)<<16 | uimm&0xFFFF
}
func OP_BR(op uint32, li uint32, aa uint32) uint32 {
return op | li&0x03FFFFFC | aa<<1
}
func OP_BC(op uint32, bo uint32, bi uint32, bd uint32, aa uint32) uint32 {
return op | (bo&0x1F)<<21 | (bi&0x1F)<<16 | bd&0xFFFC | aa<<1
}
func OP_BCR(op uint32, bo uint32, bi uint32) uint32 {
return op | (bo&0x1F)<<21 | (bi&0x1F)<<16
}
func OP_RLW(op uint32, a uint32, s uint32, sh uint32, mb uint32, me uint32) uint32 {
return op | (s&31)<<21 | (a&31)<<16 | (sh&31)<<11 | (mb&31)<<6 | (me&31)<<1
}
func AOP_RLDIC(op uint32, a uint32, s uint32, sh uint32, m uint32) uint32 {
return op | (s&31)<<21 | (a&31)<<16 | (sh&31)<<11 | ((sh&32)>>5)<<1 | (m&31)<<6 | ((m&32)>>5)<<5
}
func AOP_EXTSWSLI(op uint32, a uint32, s uint32, sh uint32) uint32 {
return op | (a&31)<<21 | (s&31)<<16 | (sh&31)<<11 | ((sh&32)>>5)<<1
}
func AOP_ISEL(op uint32, t uint32, a uint32, b uint32, bc uint32) uint32 {
return op | (t&31)<<21 | (a&31)<<16 | (b&31)<<11 | (bc&0x1F)<<6
}
const (
/* each rhs is OPVCC(_, _, _, _) */
OP_ADD = 31<<26 | 266<<1 | 0<<10 | 0
OP_ADDI = 14<<26 | 0<<1 | 0<<10 | 0
OP_ADDIS = 15<<26 | 0<<1 | 0<<10 | 0
OP_ANDI = 28<<26 | 0<<1 | 0<<10 | 0
OP_EXTSB = 31<<26 | 954<<1 | 0<<10 | 0
OP_EXTSH = 31<<26 | 922<<1 | 0<<10 | 0
OP_EXTSW = 31<<26 | 986<<1 | 0<<10 | 0
OP_ISEL = 31<<26 | 15<<1 | 0<<10 | 0
OP_MCRF = 19<<26 | 0<<1 | 0<<10 | 0
OP_MCRFS = 63<<26 | 64<<1 | 0<<10 | 0
OP_MCRXR = 31<<26 | 512<<1 | 0<<10 | 0
OP_MFCR = 31<<26 | 19<<1 | 0<<10 | 0
OP_MFFS = 63<<26 | 583<<1 | 0<<10 | 0
OP_MFSPR = 31<<26 | 339<<1 | 0<<10 | 0
OP_MFSR = 31<<26 | 595<<1 | 0<<10 | 0
OP_MFSRIN = 31<<26 | 659<<1 | 0<<10 | 0
OP_MTCRF = 31<<26 | 144<<1 | 0<<10 | 0
OP_MTFSF = 63<<26 | 711<<1 | 0<<10 | 0
OP_MTFSFI = 63<<26 | 134<<1 | 0<<10 | 0
OP_MTSPR = 31<<26 | 467<<1 | 0<<10 | 0
OP_MTSR = 31<<26 | 210<<1 | 0<<10 | 0
OP_MTSRIN = 31<<26 | 242<<1 | 0<<10 | 0
OP_MULLW = 31<<26 | 235<<1 | 0<<10 | 0
OP_MULLD = 31<<26 | 233<<1 | 0<<10 | 0
OP_OR = 31<<26 | 444<<1 | 0<<10 | 0
OP_ORI = 24<<26 | 0<<1 | 0<<10 | 0
OP_ORIS = 25<<26 | 0<<1 | 0<<10 | 0
OP_RLWINM = 21<<26 | 0<<1 | 0<<10 | 0
OP_RLWNM = 23<<26 | 0<<1 | 0<<10 | 0
OP_SUBF = 31<<26 | 40<<1 | 0<<10 | 0
OP_RLDIC = 30<<26 | 4<<1 | 0<<10 | 0
OP_RLDICR = 30<<26 | 2<<1 | 0<<10 | 0
OP_RLDICL = 30<<26 | 0<<1 | 0<<10 | 0
OP_RLDCL = 30<<26 | 8<<1 | 0<<10 | 0
OP_EXTSWSLI = 31<<26 | 445<<2
)
func oclass(a *obj.Addr) int {
return int(a.Class) - 1
}
const (
D_FORM = iota
DS_FORM
)
// This function determines when a non-indexed load or store is D or
// DS form for use in finding the size of the offset field in the instruction.
// The size is needed when setting the offset value in the instruction
// and when generating relocation for that field.
// DS form instructions include: ld, ldu, lwa, std, stdu. All other
// loads and stores with an offset field are D form. This function should
// only be called with the same opcodes as are handled by opstore and opload.
func (c *ctxt9) opform(insn uint32) int {
switch insn {
default:
c.ctxt.Diag("bad insn in loadform: %x", insn)
case OPVCC(58, 0, 0, 0), // ld
OPVCC(58, 0, 0, 1), // ldu
OPVCC(58, 0, 0, 0) | 1<<1, // lwa
OPVCC(62, 0, 0, 0), // std
OPVCC(62, 0, 0, 1): //stdu
return DS_FORM
case OP_ADDI, // add
OPVCC(32, 0, 0, 0), // lwz
OPVCC(33, 0, 0, 0), // lwzu
OPVCC(34, 0, 0, 0), // lbz
OPVCC(35, 0, 0, 0), // lbzu
OPVCC(40, 0, 0, 0), // lhz
OPVCC(41, 0, 0, 0), // lhzu
OPVCC(42, 0, 0, 0), // lha
OPVCC(43, 0, 0, 0), // lhau
OPVCC(46, 0, 0, 0), // lmw
OPVCC(48, 0, 0, 0), // lfs
OPVCC(49, 0, 0, 0), // lfsu
OPVCC(50, 0, 0, 0), // lfd
OPVCC(51, 0, 0, 0), // lfdu
OPVCC(36, 0, 0, 0), // stw
OPVCC(37, 0, 0, 0), // stwu
OPVCC(38, 0, 0, 0), // stb
OPVCC(39, 0, 0, 0), // stbu
OPVCC(44, 0, 0, 0), // sth
OPVCC(45, 0, 0, 0), // sthu
OPVCC(47, 0, 0, 0), // stmw
OPVCC(52, 0, 0, 0), // stfs
OPVCC(53, 0, 0, 0), // stfsu
OPVCC(54, 0, 0, 0), // stfd
OPVCC(55, 0, 0, 0): // stfdu
return D_FORM
}
return 0
}
// Encode instructions and create relocation for accessing s+d according to the
// instruction op with source or destination (as appropriate) register reg.
func (c *ctxt9) symbolAccess(s *obj.LSym, d int64, reg int16, op uint32, reuse bool) (o1, o2 uint32) {
if c.ctxt.Headtype == objabi.Haix {
// Every symbol access must be made via a TOC anchor.
c.ctxt.Diag("symbolAccess called for %s", s.Name)
}
var base uint32
form := c.opform(op)
if c.ctxt.Flag_shared {
base = REG_R2
} else {
base = REG_R0
}
// If reg can be reused when computing the symbol address,
// use it instead of REGTMP.
if !reuse {
o1 = AOP_IRR(OP_ADDIS, REGTMP, base, 0)
o2 = AOP_IRR(op, uint32(reg), REGTMP, 0)
} else {
o1 = AOP_IRR(OP_ADDIS, uint32(reg), base, 0)
o2 = AOP_IRR(op, uint32(reg), uint32(reg), 0)
}
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 8
rel.Sym = s
rel.Add = d
if c.ctxt.Flag_shared {
switch form {
case D_FORM:
rel.Type = objabi.R_ADDRPOWER_TOCREL
case DS_FORM:
rel.Type = objabi.R_ADDRPOWER_TOCREL_DS
}
} else {
switch form {
case D_FORM:
rel.Type = objabi.R_ADDRPOWER
case DS_FORM:
rel.Type = objabi.R_ADDRPOWER_DS
}
}
return
}
/*
* 32-bit masks
*/
func getmask(m []byte, v uint32) bool {
m[1] = 0
m[0] = m[1]
if v != ^uint32(0) && v&(1<<31) != 0 && v&1 != 0 { /* MB > ME */
if getmask(m, ^v) {
i := int(m[0])
m[0] = m[1] + 1
m[1] = byte(i - 1)
return true
}
return false
}
for i := 0; i < 32; i++ {
if v&(1<<uint(31-i)) != 0 {
m[0] = byte(i)
for {
m[1] = byte(i)
i++
if i >= 32 || v&(1<<uint(31-i)) == 0 {
break
}
}
for ; i < 32; i++ {
if v&(1<<uint(31-i)) != 0 {
return false
}
}
return true
}
}
return false
}
func (c *ctxt9) maskgen(p *obj.Prog, m []byte, v uint32) {
if !getmask(m, v) {
c.ctxt.Diag("cannot generate mask #%x\n%v", v, p)
}
}
/*
* 64-bit masks (rldic etc)
*/
func getmask64(m []byte, v uint64) bool {
m[1] = 0
m[0] = m[1]
for i := 0; i < 64; i++ {
if v&(uint64(1)<<uint(63-i)) != 0 {
m[0] = byte(i)
for {
m[1] = byte(i)
i++
if i >= 64 || v&(uint64(1)<<uint(63-i)) == 0 {
break
}
}
for ; i < 64; i++ {
if v&(uint64(1)<<uint(63-i)) != 0 {
return false
}
}
return true
}
}
return false
}
func (c *ctxt9) maskgen64(p *obj.Prog, m []byte, v uint64) {
if !getmask64(m, v) {
c.ctxt.Diag("cannot generate mask #%x\n%v", v, p)
}
}
func loadu32(r int, d int64) uint32 {
v := int32(d >> 16)
if isuint32(uint64(d)) {
return LOP_IRR(OP_ORIS, uint32(r), REGZERO, uint32(v))
}
return AOP_IRR(OP_ADDIS, uint32(r), REGZERO, uint32(v))
}
func high16adjusted(d int32) uint16 {
if d&0x8000 != 0 {
return uint16((d >> 16) + 1)
}
return uint16(d >> 16)
}
func (c *ctxt9) asmout(p *obj.Prog, o *Optab, out []uint32) {
o1 := uint32(0)
o2 := uint32(0)
o3 := uint32(0)
o4 := uint32(0)
o5 := uint32(0)
//print("%v => case %d\n", p, o->type);
switch o.type_ {
default:
c.ctxt.Diag("unknown type %d", o.type_)
prasm(p)
case 0: /* pseudo ops */
break
case 2: /* int/cr/fp op Rb,[Ra],Rd */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), uint32(p.From.Reg))
case 3: /* mov $soreg/addcon/andcon/ucon, r ==> addis/oris/addi/ori $i,reg',r */
d := c.vregoff(&p.From)
v := int32(d)
r := int(p.From.Reg)
if r == 0 {
r = c.getimpliedreg(&p.From, p)
}
if r0iszero != 0 /*TypeKind(100016)*/ && p.To.Reg == 0 && (r != 0 || v != 0) {
c.ctxt.Diag("literal operation on R0\n%v", p)
}
a := OP_ADDI
if o.a1 == C_UCON {
if d&0xffff != 0 {
log.Fatalf("invalid handling of %v", p)
}
// For UCON operands the value is right shifted 16, using ADDIS if the
// value should be signed, ORIS if unsigned.
v >>= 16
if r == REGZERO && isuint32(uint64(d)) {
o1 = LOP_IRR(OP_ORIS, uint32(p.To.Reg), REGZERO, uint32(v))
break
}
a = OP_ADDIS
} else if int64(int16(d)) != d {
// Operand is 16 bit value with sign bit set
if o.a1 == C_ANDCON {
// Needs unsigned 16 bit so use ORI
if r == 0 || r == REGZERO {
o1 = LOP_IRR(uint32(OP_ORI), uint32(p.To.Reg), uint32(0), uint32(v))
break
}
// With ADDCON, needs signed 16 bit value, fall through to use ADDI
} else if o.a1 != C_ADDCON {
log.Fatalf("invalid handling of %v", p)
}
}
o1 = AOP_IRR(uint32(a), uint32(p.To.Reg), uint32(r), uint32(v))
case 4: /* add/mul $scon,[r1],r2 */
v := c.regoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
if r0iszero != 0 /*TypeKind(100016)*/ && p.To.Reg == 0 {
c.ctxt.Diag("literal operation on R0\n%v", p)
}
if int32(int16(v)) != v {
log.Fatalf("mishandled instruction %v", p)
}
o1 = AOP_IRR(c.opirr(p.As), uint32(p.To.Reg), uint32(r), uint32(v))
case 5: /* syscall */
o1 = c.oprrr(p.As)
case 6: /* logical op Rb,[Rs,]Ra; no literal */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
// AROTL and AROTLW are extended mnemonics, which map to RLDCL and RLWNM.
switch p.As {
case AROTL:
o1 = AOP_RLDIC(OP_RLDCL, uint32(p.To.Reg), uint32(r), uint32(p.From.Reg), uint32(0))
case AROTLW:
o1 = OP_RLW(OP_RLWNM, uint32(p.To.Reg), uint32(r), uint32(p.From.Reg), 0, 31)
default:
if p.As == AOR && p.From.Type == obj.TYPE_CONST && p.From.Offset == 0 {
// Compile "OR $0, Rx, Ry" into ori. If Rx == Ry == 0, this is the preferred
// hardware no-op. This happens because $0 matches C_REG before C_ZCON.
o1 = LOP_IRR(OP_ORI, uint32(p.To.Reg), uint32(r), 0)
} else {
o1 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), uint32(p.From.Reg))
}
}
case 7: /* mov r, soreg ==> stw o(r) */
r := int(p.To.Reg)
if r == 0 {
r = c.getimpliedreg(&p.To, p)
}
v := c.regoff(&p.To)
if p.To.Type == obj.TYPE_MEM && p.To.Index != 0 {
if v != 0 {
c.ctxt.Diag("illegal indexed instruction\n%v", p)
}
o1 = AOP_RRR(c.opstorex(p.As), uint32(p.From.Reg), uint32(p.To.Index), uint32(r))
} else {
if int32(int16(v)) != v {
log.Fatalf("mishandled instruction %v", p)
}
// Offsets in DS form stores must be a multiple of 4
inst := c.opstore(p.As)
if c.opform(inst) == DS_FORM && v&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
o1 = AOP_IRR(inst, uint32(p.From.Reg), uint32(r), uint32(v))
}
case 8: /* mov soreg, r ==> lbz/lhz/lwz o(r), lbz o(r) + extsb r,r */
r := int(p.From.Reg)
if r == 0 {
r = c.getimpliedreg(&p.From, p)
}
v := c.regoff(&p.From)
if p.From.Type == obj.TYPE_MEM && p.From.Index != 0 {
if v != 0 {
c.ctxt.Diag("illegal indexed instruction\n%v", p)
}
o1 = AOP_RRR(c.oploadx(p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(r))
} else {
if int32(int16(v)) != v {
log.Fatalf("mishandled instruction %v", p)
}
// Offsets in DS form loads must be a multiple of 4
inst := c.opload(p.As)
if c.opform(inst) == DS_FORM && v&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
o1 = AOP_IRR(inst, uint32(p.To.Reg), uint32(r), uint32(v))
}
// Sign extend MOVB operations. This is ignored for other cases (o.size == 4).
o2 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.To.Reg), 0)
case 10: /* sub Ra,[Rb],Rd => subf Rd,Ra,Rb */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(r))
case 11: /* br/bl lbra */
v := int32(0)
if p.To.Target() != nil {
v = int32(p.To.Target().Pc - p.Pc)
if v&03 != 0 {
c.ctxt.Diag("odd branch target address\n%v", p)
v &^= 03
}
if v < -(1<<25) || v >= 1<<24 {
c.ctxt.Diag("branch too far\n%v", p)
}
}
o1 = OP_BR(c.opirr(p.As), uint32(v), 0)
if p.To.Sym != nil {
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 4
rel.Sym = p.To.Sym
v += int32(p.To.Offset)
if v&03 != 0 {
c.ctxt.Diag("odd branch target address\n%v", p)
v &^= 03
}
rel.Add = int64(v)
rel.Type = objabi.R_CALLPOWER
}
o2 = 0x60000000 // nop, sometimes overwritten by ld r2, 24(r1) when dynamic linking
case 13: /* mov[bhwd]{z,} r,r */
// This needs to handle "MOV* $0, Rx". This shows up because $0 also
// matches C_REG if r0iszero. This happens because C_REG sorts before C_ANDCON
// TODO: fix the above behavior and cleanup this exception.
if p.From.Type == obj.TYPE_CONST {
o1 = LOP_IRR(OP_ADDI, REGZERO, uint32(p.To.Reg), 0)
break
}
if p.To.Type == obj.TYPE_CONST {
c.ctxt.Diag("cannot move into constant 0\n%v", p)
}
switch p.As {
case AMOVB:
o1 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.From.Reg), 0)
case AMOVBZ:
o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(p.From.Reg), 0, 24, 31)
case AMOVH:
o1 = LOP_RRR(OP_EXTSH, uint32(p.To.Reg), uint32(p.From.Reg), 0)
case AMOVHZ:
o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(p.From.Reg), 0, 16, 31)
case AMOVW:
o1 = LOP_RRR(OP_EXTSW, uint32(p.To.Reg), uint32(p.From.Reg), 0)
case AMOVWZ:
o1 = OP_RLW(OP_RLDIC, uint32(p.To.Reg), uint32(p.From.Reg), 0, 0, 0) | 1<<5 /* MB=32 */
case AMOVD:
o1 = LOP_RRR(OP_OR, uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.From.Reg))
default:
c.ctxt.Diag("internal: bad register move/truncation\n%v", p)
}
case 14: /* rldc[lr] Rb,Rs,$mask,Ra -- left, right give different masks */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
d := c.vregoff(p.GetFrom3())
var a int
switch p.As {
// These opcodes expect a mask operand that has to be converted into the
// appropriate operand. The way these were defined, not all valid masks are possible.
// Left here for compatibility in case they were used or generated.
case ARLDCL, ARLDCLCC:
var mask [2]uint8
c.maskgen64(p, mask[:], uint64(d))
a = int(mask[0]) /* MB */
if mask[1] != 63 {
c.ctxt.Diag("invalid mask for rotate: %x (end != bit 63)\n%v", uint64(d), p)
}
o1 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), uint32(p.From.Reg))
o1 |= (uint32(a) & 31) << 6
if a&0x20 != 0 {
o1 |= 1 << 5 /* mb[5] is top bit */
}
case ARLDCR, ARLDCRCC:
var mask [2]uint8
c.maskgen64(p, mask[:], uint64(d))
a = int(mask[1]) /* ME */
if mask[0] != 0 {
c.ctxt.Diag("invalid mask for rotate: %x %x (start != 0)\n%v", uint64(d), mask[0], p)
}
o1 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), uint32(p.From.Reg))
o1 |= (uint32(a) & 31) << 6
if a&0x20 != 0 {
o1 |= 1 << 5 /* mb[5] is top bit */
}
// These opcodes use a shift count like the ppc64 asm, no mask conversion done
case ARLDICR, ARLDICRCC:
me := int(d)
sh := c.regoff(&p.From)
if me < 0 || me > 63 || sh > 63 {
c.ctxt.Diag("Invalid me or sh for RLDICR: %x %x\n%v", int(d), sh, p)
}
o1 = AOP_RLDIC(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), uint32(sh), uint32(me))
case ARLDICL, ARLDICLCC, ARLDIC, ARLDICCC:
mb := int(d)
sh := c.regoff(&p.From)
if mb < 0 || mb > 63 || sh > 63 {
c.ctxt.Diag("Invalid mb or sh for RLDIC, RLDICL: %x %x\n%v", mb, sh, p)
}
o1 = AOP_RLDIC(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), uint32(sh), uint32(mb))
case ACLRLSLDI:
// This is an extended mnemonic defined in the ISA section C.8.1
// clrlsldi ra,rs,b,n --> rldic ra,rs,n,b-n
// It maps onto RLDIC so is directly generated here based on the operands from
// the clrlsldi.
n := int32(d)
b := c.regoff(&p.From)
if n > b || b > 63 {
c.ctxt.Diag("Invalid n or b for CLRLSLDI: %x %x\n%v", n, b, p)
}
o1 = AOP_RLDIC(OP_RLDIC, uint32(p.To.Reg), uint32(r), uint32(n), uint32(b)-uint32(n))
default:
c.ctxt.Diag("unexpected op in rldc case\n%v", p)
a = 0
}
case 17, /* bc bo,bi,lbra (same for now) */
16: /* bc bo,bi,sbra */
a := 0
r := int(p.Reg)
if p.From.Type == obj.TYPE_CONST {
a = int(c.regoff(&p.From))
} else if p.From.Type == obj.TYPE_REG {
if r != 0 {
c.ctxt.Diag("unexpected register setting for branch with CR: %d\n", r)
}
// BI values for the CR
switch p.From.Reg {
case REG_CR0:
r = BI_CR0
case REG_CR1:
r = BI_CR1
case REG_CR2:
r = BI_CR2
case REG_CR3:
r = BI_CR3
case REG_CR4:
r = BI_CR4
case REG_CR5:
r = BI_CR5
case REG_CR6:
r = BI_CR6
case REG_CR7:
r = BI_CR7
default:
c.ctxt.Diag("unrecognized register: expecting CR\n")
}
}
v := int32(0)
if p.To.Target() != nil {
v = int32(p.To.Target().Pc - p.Pc)
}
if v&03 != 0 {
c.ctxt.Diag("odd branch target address\n%v", p)
v &^= 03
}
if v < -(1<<16) || v >= 1<<15 {
c.ctxt.Diag("branch too far\n%v", p)
}
o1 = OP_BC(c.opirr(p.As), uint32(a), uint32(r), uint32(v), 0)
case 18: /* br/bl (lr/ctr); bc/bcl bo,bi,(lr/ctr) */
var v int32
var bh uint32 = 0
if p.As == ABC || p.As == ABCL {
v = c.regoff(&p.From) & 31
} else {
v = 20 /* unconditional */
}
r := int(p.Reg)
if r == 0 {
r = 0
}
switch oclass(&p.To) {
case C_CTR:
o1 = OPVCC(19, 528, 0, 0)
case C_LR:
o1 = OPVCC(19, 16, 0, 0)
default:
c.ctxt.Diag("bad optab entry (18): %d\n%v", p.To.Class, p)
v = 0
}
// Insert optional branch hint for bclr[l]/bcctr[l]
if p.From3Type() != obj.TYPE_NONE {
bh = uint32(p.GetFrom3().Offset)
if bh == 2 || bh > 3 {
log.Fatalf("BH must be 0,1,3 for %v", p)
}
o1 |= bh << 11
}
if p.As == ABL || p.As == ABCL {
o1 |= 1
}
o1 = OP_BCR(o1, uint32(v), uint32(r))
case 19: /* mov $lcon,r ==> cau+or */
d := c.vregoff(&p.From)
o1 = loadu32(int(p.To.Reg), d)
o2 = LOP_IRR(OP_ORI, uint32(p.To.Reg), uint32(p.To.Reg), uint32(int32(d)))
case 20: /* add $ucon,,r | addis $addcon,r,r */
v := c.regoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
if p.As == AADD && (r0iszero == 0 /*TypeKind(100016)*/ && p.Reg == 0 || r0iszero != 0 /*TypeKind(100016)*/ && p.To.Reg == 0) {
c.ctxt.Diag("literal operation on R0\n%v", p)
}
if p.As == AADDIS {
o1 = AOP_IRR(c.opirr(p.As), uint32(p.To.Reg), uint32(r), uint32(v))
} else {
o1 = AOP_IRR(c.opirr(AADDIS), uint32(p.To.Reg), uint32(r), uint32(v)>>16)
}
case 22: /* add $lcon/$andcon,r1,r2 ==> oris+ori+add/ori+add */
if p.To.Reg == REGTMP || p.Reg == REGTMP {
c.ctxt.Diag("can't synthesize large constant\n%v", p)
}
d := c.vregoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
if p.From.Sym != nil {
c.ctxt.Diag("%v is not supported", p)
}
// If operand is ANDCON, generate 2 instructions using
// ORI for unsigned value; with LCON 3 instructions.
if o.size == 8 {
o1 = LOP_IRR(OP_ORI, REGTMP, REGZERO, uint32(int32(d)))
o2 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), REGTMP, uint32(r))
} else {
o1 = loadu32(REGTMP, d)
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, uint32(int32(d)))
o3 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), REGTMP, uint32(r))
}
case 23: /* and $lcon/$addcon,r1,r2 ==> oris+ori+and/addi+and */
if p.To.Reg == REGTMP || p.Reg == REGTMP {
c.ctxt.Diag("can't synthesize large constant\n%v", p)
}
d := c.vregoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
// With ADDCON operand, generate 2 instructions using ADDI for signed value,
// with LCON operand generate 3 instructions.
if o.size == 8 {
o1 = LOP_IRR(OP_ADDI, REGZERO, REGTMP, uint32(int32(d)))
o2 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), REGTMP, uint32(r))
} else {
o1 = loadu32(REGTMP, d)
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, uint32(int32(d)))
o3 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), REGTMP, uint32(r))
}
if p.From.Sym != nil {
c.ctxt.Diag("%v is not supported", p)
}
case 24: /* lfd fA,float64(0) -> xxlxor xsA,xsaA,xsaA + fneg for -0 */
o1 = AOP_XX3I(c.oprrr(AXXLXOR), uint32(p.To.Reg), uint32(p.To.Reg), uint32(p.To.Reg), uint32(0))
// This is needed for -0.
if o.size == 8 {
o2 = AOP_RRR(c.oprrr(AFNEG), uint32(p.To.Reg), 0, uint32(p.To.Reg))
}
case 25:
/* sld[.] $sh,rS,rA -> rldicr[.] $sh,rS,mask(0,63-sh),rA; srd[.] -> rldicl */
v := c.regoff(&p.From)
if v < 0 {
v = 0
} else if v > 63 {
v = 63
}
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
var a int
op := uint32(0)
switch p.As {
case ASLD, ASLDCC:
a = int(63 - v)
op = OP_RLDICR
case ASRD, ASRDCC:
a = int(v)
v = 64 - v
op = OP_RLDICL
case AROTL:
a = int(0)
op = OP_RLDICL
case AEXTSWSLI:
a = int(v)
default:
c.ctxt.Diag("unexpected op in sldi case\n%v", p)
a = 0
o1 = 0
}
if p.As == AEXTSWSLI || p.As == AEXTSWSLICC {
o1 = AOP_EXTSWSLI(OP_EXTSWSLI, uint32(r), uint32(p.To.Reg), uint32(v))
} else {
o1 = AOP_RLDIC(op, uint32(p.To.Reg), uint32(r), uint32(v), uint32(a))
}
if p.As == ASLDCC || p.As == ASRDCC || p.As == AEXTSWSLICC {
o1 |= 1 // Set the condition code bit
}
case 26: /* mov $lsext/auto/oreg,,r2 ==> addis+addi */
v := c.vregoff(&p.From)
r := int(p.From.Reg)
switch p.From.Name {
case obj.NAME_EXTERN, obj.NAME_STATIC:
// Load a 32 bit constant, or relocation depending on if a symbol is attached
o1, o2 = c.symbolAccess(p.From.Sym, v, p.To.Reg, OP_ADDI, true)
default:
if r == 0 {
r = c.getimpliedreg(&p.From, p)
}
// Add a 32 bit offset to a register.
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), uint32(r), uint32(high16adjusted(int32(v))))
o2 = AOP_IRR(OP_ADDI, uint32(p.To.Reg), uint32(p.To.Reg), uint32(v))
}
case 27: /* subc ra,$simm,rd => subfic rd,ra,$simm */
v := c.regoff(p.GetFrom3())
r := int(p.From.Reg)
o1 = AOP_IRR(c.opirr(p.As), uint32(p.To.Reg), uint32(r), uint32(v))
case 28: /* subc r1,$lcon,r2 ==> cau+or+subfc */
if p.To.Reg == REGTMP || p.From.Reg == REGTMP {
c.ctxt.Diag("can't synthesize large constant\n%v", p)
}
v := c.regoff(p.GetFrom3())
o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, uint32(v)>>16)
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, uint32(v))
o3 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), REGTMP)
if p.From.Sym != nil {
c.ctxt.Diag("%v is not supported", p)
}
case 29: /* rldic[lr]? $sh,s,$mask,a -- left, right, plain give different masks */
v := c.regoff(&p.From)
d := c.vregoff(p.GetFrom3())
var mask [2]uint8
c.maskgen64(p, mask[:], uint64(d))
var a int
switch p.As {
case ARLDC, ARLDCCC:
a = int(mask[0]) /* MB */
if int32(mask[1]) != (63 - v) {
c.ctxt.Diag("invalid mask for shift: %x %x (shift %d)\n%v", uint64(d), mask[1], v, p)
}
case ARLDCL, ARLDCLCC:
a = int(mask[0]) /* MB */
if mask[1] != 63 {
c.ctxt.Diag("invalid mask for shift: %x %s (shift %d)\n%v", uint64(d), mask[1], v, p)
}
case ARLDCR, ARLDCRCC:
a = int(mask[1]) /* ME */
if mask[0] != 0 {
c.ctxt.Diag("invalid mask for shift: %x %x (shift %d)\n%v", uint64(d), mask[0], v, p)
}
default:
c.ctxt.Diag("unexpected op in rldic case\n%v", p)
a = 0
}
o1 = AOP_RRR(c.opirr(p.As), uint32(p.Reg), uint32(p.To.Reg), (uint32(v) & 0x1F))
o1 |= (uint32(a) & 31) << 6
if v&0x20 != 0 {
o1 |= 1 << 1
}
if a&0x20 != 0 {
o1 |= 1 << 5 /* mb[5] is top bit */
}
case 30: /* rldimi $sh,s,$mask,a */
v := c.regoff(&p.From)
d := c.vregoff(p.GetFrom3())
// Original opcodes had mask operands which had to be converted to a shift count as expected by
// the ppc64 asm.
switch p.As {
case ARLDMI, ARLDMICC:
var mask [2]uint8
c.maskgen64(p, mask[:], uint64(d))
if int32(mask[1]) != (63 - v) {
c.ctxt.Diag("invalid mask for shift: %x %x (shift %d)\n%v", uint64(d), mask[1], v, p)
}
o1 = AOP_RRR(c.opirr(p.As), uint32(p.Reg), uint32(p.To.Reg), (uint32(v) & 0x1F))
o1 |= (uint32(mask[0]) & 31) << 6
if v&0x20 != 0 {
o1 |= 1 << 1
}
if mask[0]&0x20 != 0 {
o1 |= 1 << 5 /* mb[5] is top bit */
}
// Opcodes with shift count operands.
case ARLDIMI, ARLDIMICC:
o1 = AOP_RRR(c.opirr(p.As), uint32(p.Reg), uint32(p.To.Reg), (uint32(v) & 0x1F))
o1 |= (uint32(d) & 31) << 6
if d&0x20 != 0 {
o1 |= 1 << 5
}
if v&0x20 != 0 {
o1 |= 1 << 1
}
}
case 31: /* dword */
d := c.vregoff(&p.From)
if c.ctxt.Arch.ByteOrder == binary.BigEndian {
o1 = uint32(d >> 32)
o2 = uint32(d)
} else {
o1 = uint32(d)
o2 = uint32(d >> 32)
}
if p.From.Sym != nil {
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 8
rel.Sym = p.From.Sym
rel.Add = p.From.Offset
rel.Type = objabi.R_ADDR
o2 = 0
o1 = o2
}
case 32: /* fmul frc,fra,frd */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), 0) | (uint32(p.From.Reg)&31)<<6
case 33: /* fabs [frb,]frd; fmr. frb,frd */
r := int(p.From.Reg)
if oclass(&p.From) == C_NONE {
r = int(p.To.Reg)
}
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), 0, uint32(r))
case 34: /* FMADDx fra,frb,frc,frt (t=a*c±b) */
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg)) | (uint32(p.GetFrom3().Reg)&31)<<6
case 35: /* mov r,lext/lauto/loreg ==> cau $(v>>16),sb,r'; store o(r') */
v := c.regoff(&p.To)
r := int(p.To.Reg)
if r == 0 {
r = c.getimpliedreg(&p.To, p)
}
// Offsets in DS form stores must be a multiple of 4
inst := c.opstore(p.As)
if c.opform(inst) == DS_FORM && v&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
o1 = AOP_IRR(OP_ADDIS, REGTMP, uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(inst, uint32(p.From.Reg), REGTMP, uint32(v))
case 36: /* mov b/bz/h/hz lext/lauto/lreg,r ==> lbz+extsb/lbz/lha/lhz etc */
v := c.regoff(&p.From)
r := int(p.From.Reg)
if r == 0 {
r = c.getimpliedreg(&p.From, p)
}
if o.a6 == C_REG {
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(c.opload(p.As), uint32(p.To.Reg), uint32(p.To.Reg), uint32(v))
} else {
o1 = AOP_IRR(OP_ADDIS, uint32(REGTMP), uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(c.opload(p.As), uint32(p.To.Reg), uint32(REGTMP), uint32(v))
}
// Sign extend MOVB if needed
o3 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.To.Reg), 0)
case 40: /* word */
o1 = uint32(c.regoff(&p.From))
case 41: /* stswi */
o1 = AOP_RRR(c.opirr(p.As), uint32(p.From.Reg), uint32(p.To.Reg), 0) | (uint32(c.regoff(p.GetFrom3()))&0x7F)<<11
case 42: /* lswi */
o1 = AOP_RRR(c.opirr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), 0) | (uint32(c.regoff(p.GetFrom3()))&0x7F)<<11
case 43: /* data cache instructions: op (Ra+[Rb]), [th|l] */
/* TH field for dcbt/dcbtst: */
/* 0 = Block access - program will soon access EA. */
/* 8-15 = Stream access - sequence of access (data stream). See section 4.3.2 of the ISA for details. */
/* 16 = Block access - program will soon make a transient access to EA. */
/* 17 = Block access - program will not access EA for a long time. */
/* L field for dcbf: */
/* 0 = invalidates the block containing EA in all processors. */
/* 1 = same as 0, but with limited scope (i.e. block in the current processor will not be reused soon). */
/* 3 = same as 1, but with even more limited scope (i.e. block in the current processor primary cache will not be reused soon). */
if p.To.Type == obj.TYPE_NONE {
o1 = AOP_RRR(c.oprrr(p.As), 0, uint32(p.From.Index), uint32(p.From.Reg))
} else {
th := c.regoff(&p.To)
o1 = AOP_RRR(c.oprrr(p.As), uint32(th), uint32(p.From.Index), uint32(p.From.Reg))
}
case 44: /* indexed store */
o1 = AOP_RRR(c.opstorex(p.As), uint32(p.From.Reg), uint32(p.To.Index), uint32(p.To.Reg))
case 45: /* indexed load */
switch p.As {
/* The assembler accepts a 4-operand l*arx instruction. The fourth operand is an Exclusive Access Hint (EH) */
/* The EH field can be used as a lock acquire/release hint as follows: */
/* 0 = Atomic Update (fetch-and-operate or similar algorithm) */
/* 1 = Exclusive Access (lock acquire and release) */
case ALBAR, ALHAR, ALWAR, ALDAR:
if p.From3Type() != obj.TYPE_NONE {
eh := int(c.regoff(p.GetFrom3()))
if eh > 1 {
c.ctxt.Diag("illegal EH field\n%v", p)
}
o1 = AOP_RRRI(c.oploadx(p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(p.From.Reg), uint32(eh))
} else {
o1 = AOP_RRR(c.oploadx(p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(p.From.Reg))
}
default:
o1 = AOP_RRR(c.oploadx(p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(p.From.Reg))
}
case 46: /* plain op */
o1 = c.oprrr(p.As)
case 47: /* op Ra, Rd; also op [Ra,] Rd */
r := int(p.From.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), 0)
case 48: /* op Rs, Ra */
r := int(p.From.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = LOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(r), 0)
case 49: /* op Rb; op $n, Rb */
if p.From.Type != obj.TYPE_REG { /* tlbie $L, rB */
v := c.regoff(&p.From) & 1
o1 = AOP_RRR(c.oprrr(p.As), 0, 0, uint32(p.To.Reg)) | uint32(v)<<21
} else {
o1 = AOP_RRR(c.oprrr(p.As), 0, 0, uint32(p.From.Reg))
}
case 50: /* rem[u] r1[,r2],r3 */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
v := c.oprrr(p.As)
t := v & (1<<10 | 1) /* OE|Rc */
o1 = AOP_RRR(v&^t, REGTMP, uint32(r), uint32(p.From.Reg))
o2 = AOP_RRR(OP_MULLW, REGTMP, REGTMP, uint32(p.From.Reg))
o3 = AOP_RRR(OP_SUBF|t, uint32(p.To.Reg), REGTMP, uint32(r))
if p.As == AREMU {
o4 = o3
/* Clear top 32 bits */
o3 = OP_RLW(OP_RLDIC, REGTMP, REGTMP, 0, 0, 0) | 1<<5
}
case 51: /* remd[u] r1[,r2],r3 */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
v := c.oprrr(p.As)
t := v & (1<<10 | 1) /* OE|Rc */
o1 = AOP_RRR(v&^t, REGTMP, uint32(r), uint32(p.From.Reg))
o2 = AOP_RRR(OP_MULLD, REGTMP, REGTMP, uint32(p.From.Reg))
o3 = AOP_RRR(OP_SUBF|t, uint32(p.To.Reg), REGTMP, uint32(r))
/* cases 50,51: removed; can be reused. */
/* cases 50,51: removed; can be reused. */
case 52: /* mtfsbNx cr(n) */
v := c.regoff(&p.From) & 31
o1 = AOP_RRR(c.oprrr(p.As), uint32(v), 0, 0)
case 53: /* mffsX ,fr1 */
o1 = AOP_RRR(OP_MFFS, uint32(p.To.Reg), 0, 0)
case 55: /* op Rb, Rd */
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), 0, uint32(p.From.Reg))
case 56: /* sra $sh,[s,]a; srd $sh,[s,]a */
v := c.regoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(c.opirr(p.As), uint32(r), uint32(p.To.Reg), uint32(v)&31)
if (p.As == ASRAD || p.As == ASRADCC) && (v&0x20 != 0) {
o1 |= 1 << 1 /* mb[5] */
}
case 57: /* slw $sh,[s,]a -> rlwinm ... */
v := c.regoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
/*
* Let user (gs) shoot himself in the foot.
* qc has already complained.
*
if(v < 0 || v > 31)
ctxt->diag("illegal shift %ld\n%v", v, p);
*/
if v < 0 {
v = 0
} else if v > 32 {
v = 32
}
var mask [2]uint8
switch p.As {
case AROTLW:
mask[0], mask[1] = 0, 31
case ASRW, ASRWCC:
mask[0], mask[1] = uint8(v), 31
v = 32 - v
default:
mask[0], mask[1] = 0, uint8(31-v)
}
o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(r), uint32(v), uint32(mask[0]), uint32(mask[1]))
if p.As == ASLWCC || p.As == ASRWCC {
o1 |= 1 // set the condition code
}
case 58: /* logical $andcon,[s],a */
v := c.regoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = LOP_IRR(c.opirr(p.As), uint32(p.To.Reg), uint32(r), uint32(v))
case 59: /* or/xor/and $ucon,,r | oris/xoris/andis $addcon,r,r */
v := c.regoff(&p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
switch p.As {
case AOR:
o1 = LOP_IRR(c.opirr(AORIS), uint32(p.To.Reg), uint32(r), uint32(v)>>16) /* oris, xoris, andis. */
case AXOR:
o1 = LOP_IRR(c.opirr(AXORIS), uint32(p.To.Reg), uint32(r), uint32(v)>>16)
case AANDCC:
o1 = LOP_IRR(c.opirr(AANDISCC), uint32(p.To.Reg), uint32(r), uint32(v)>>16)
default:
o1 = LOP_IRR(c.opirr(p.As), uint32(p.To.Reg), uint32(r), uint32(v))
}
case 60: /* tw to,a,b */
r := int(c.regoff(&p.From) & 31)
o1 = AOP_RRR(c.oprrr(p.As), uint32(r), uint32(p.Reg), uint32(p.To.Reg))
case 61: /* tw to,a,$simm */
r := int(c.regoff(&p.From) & 31)
v := c.regoff(&p.To)
o1 = AOP_IRR(c.opirr(p.As), uint32(r), uint32(p.Reg), uint32(v))
case 62: /* rlwmi $sh,s,$mask,a */
v := c.regoff(&p.From)
switch p.As {
case ACLRLSLWI:
n := c.regoff(p.GetFrom3())
// This is an extended mnemonic described in the ISA C.8.2
// clrlslwi ra,rs,b,n -> rlwinm ra,rs,n,b-n,31-n
// It maps onto rlwinm which is directly generated here.
if n > v || v >= 32 {
c.ctxt.Diag("Invalid n or b for CLRLSLWI: %x %x\n%v", v, n, p)
}
o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(p.Reg), uint32(n), uint32(v-n), uint32(31-n))
default:
var mask [2]uint8
c.maskgen(p, mask[:], uint32(c.regoff(p.GetFrom3())))
o1 = AOP_RRR(c.opirr(p.As), uint32(p.Reg), uint32(p.To.Reg), uint32(v))
o1 |= (uint32(mask[0])&31)<<6 | (uint32(mask[1])&31)<<1
}
case 63: /* rlwmi b,s,$mask,a */
var mask [2]uint8
c.maskgen(p, mask[:], uint32(c.regoff(p.GetFrom3())))
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.Reg), uint32(p.To.Reg), uint32(p.From.Reg))
o1 |= (uint32(mask[0])&31)<<6 | (uint32(mask[1])&31)<<1
case 64: /* mtfsf fr[, $m] {,fpcsr} */
var v int32
if p.From3Type() != obj.TYPE_NONE {
v = c.regoff(p.GetFrom3()) & 255
} else {
v = 255
}
o1 = OP_MTFSF | uint32(v)<<17 | uint32(p.From.Reg)<<11
case 65: /* MOVFL $imm,FPSCR(n) => mtfsfi crfd,imm */
if p.To.Reg == 0 {
c.ctxt.Diag("must specify FPSCR(n)\n%v", p)
}
o1 = OP_MTFSFI | (uint32(p.To.Reg)&15)<<23 | (uint32(c.regoff(&p.From))&31)<<12
case 66: /* mov spr,r1; mov r1,spr */
var r int
var v int32
if REG_R0 <= p.From.Reg && p.From.Reg <= REG_R31 {
r = int(p.From.Reg)
v = int32(p.To.Reg)
o1 = OPVCC(31, 467, 0, 0) /* mtspr */
} else {
r = int(p.To.Reg)
v = int32(p.From.Reg)
o1 = OPVCC(31, 339, 0, 0) /* mfspr */
}
o1 = AOP_RRR(o1, uint32(r), 0, 0) | (uint32(v)&0x1f)<<16 | ((uint32(v)>>5)&0x1f)<<11
case 67: /* mcrf crfD,crfS */
if p.From.Reg == REG_CR || p.To.Reg == REG_CR {
c.ctxt.Diag("CR argument must be a conditional register field (CR0-CR7)\n%v", p)
}
o1 = AOP_RRR(OP_MCRF, ((uint32(p.To.Reg) & 7) << 2), ((uint32(p.From.Reg) & 7) << 2), 0)
case 68: /* mfcr rD; mfocrf CRM,rD */
o1 = AOP_RRR(OP_MFCR, uint32(p.To.Reg), 0, 0) /* form, whole register */
if p.From.Reg != REG_CR {
v := uint32(1) << uint(7-(p.From.Reg&7)) /* CR(n) */
o1 |= 1<<20 | v<<12 /* new form, mfocrf */
}
case 69: /* mtcrf CRM,rS, mtocrf CRx,rS */
var v uint32
if p.To.Reg == REG_CR {
v = 0xff
} else if p.To.Offset != 0 { // MOVFL gpr, constant
v = uint32(p.To.Offset)
} else { // p.To.Reg == REG_CRx
v = 1 << uint(7-(p.To.Reg&7))
}
// Use mtocrf form if only one CR field moved.
if bits.OnesCount32(v) == 1 {
v |= 1 << 8
}
o1 = AOP_RRR(OP_MTCRF, uint32(p.From.Reg), 0, 0) | uint32(v)<<12
case 70: /* [f]cmp r,r,cr*/
var r int
if p.Reg == 0 {
r = 0
} else {
r = (int(p.Reg) & 7) << 2
}
o1 = AOP_RRR(c.oprrr(p.As), uint32(r), uint32(p.From.Reg), uint32(p.To.Reg))
case 71: /* cmp[l] r,i,cr*/
var r int
if p.Reg == 0 {
r = 0
} else {
r = (int(p.Reg) & 7) << 2
}
o1 = AOP_RRR(c.opirr(p.As), uint32(r), uint32(p.From.Reg), 0) | uint32(c.regoff(&p.To))&0xffff
case 72: /* slbmte (Rb+Rs -> slb[Rb]) -> Rs, Rb */
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.From.Reg), 0, uint32(p.To.Reg))
case 73: /* mcrfs crfD,crfS */
if p.From.Type != obj.TYPE_REG || p.From.Reg != REG_FPSCR || p.To.Type != obj.TYPE_REG || p.To.Reg < REG_CR0 || REG_CR7 < p.To.Reg {
c.ctxt.Diag("illegal FPSCR/CR field number\n%v", p)
}
o1 = AOP_RRR(OP_MCRFS, ((uint32(p.To.Reg) & 7) << 2), ((0 & 7) << 2), 0)
case 77: /* syscall $scon, syscall Rx */
if p.From.Type == obj.TYPE_CONST {
if p.From.Offset > BIG || p.From.Offset < -BIG {
c.ctxt.Diag("illegal syscall, sysnum too large: %v", p)
}
o1 = AOP_IRR(OP_ADDI, REGZERO, REGZERO, uint32(p.From.Offset))
} else if p.From.Type == obj.TYPE_REG {
o1 = LOP_RRR(OP_OR, REGZERO, uint32(p.From.Reg), uint32(p.From.Reg))
} else {
c.ctxt.Diag("illegal syscall: %v", p)
o1 = 0x7fe00008 // trap always
}
o2 = c.oprrr(p.As)
o3 = AOP_RRR(c.oprrr(AXOR), REGZERO, REGZERO, REGZERO) // XOR R0, R0
case 78: /* undef */
o1 = 0 /* "An instruction consisting entirely of binary 0s is guaranteed
always to be an illegal instruction." */
/* relocation operations */
case 74:
v := c.vregoff(&p.To)
// Offsets in DS form stores must be a multiple of 4
inst := c.opstore(p.As)
if c.opform(inst) == DS_FORM && v&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
// Can't reuse base for store instructions.
o1, o2 = c.symbolAccess(p.To.Sym, v, p.From.Reg, inst, false)
case 75: // 32 bit offset symbol loads (got/toc/addr)
v := p.From.Offset
// Offsets in DS form loads must be a multiple of 4
inst := c.opload(p.As)
if c.opform(inst) == DS_FORM && v&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
switch p.From.Name {
case obj.NAME_GOTREF, obj.NAME_TOCREF:
if v != 0 {
c.ctxt.Diag("invalid offset for GOT/TOC access %v", p)
}
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), REG_R2, 0)
o2 = AOP_IRR(inst, uint32(p.To.Reg), uint32(p.To.Reg), 0)
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 8
rel.Sym = p.From.Sym
switch p.From.Name {
case obj.NAME_GOTREF:
rel.Type = objabi.R_ADDRPOWER_GOT
case obj.NAME_TOCREF:
rel.Type = objabi.R_ADDRPOWER_TOCREL_DS
}
default:
reuseBaseReg := o.a6 == C_REG
// Reuse To.Reg as base register if it is a GPR.
o1, o2 = c.symbolAccess(p.From.Sym, v, p.To.Reg, inst, reuseBaseReg)
}
o3 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.To.Reg), 0)
case 79:
if p.From.Offset != 0 {
c.ctxt.Diag("invalid offset against tls var %v", p)
}
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), REG_R13, 0)
o2 = AOP_IRR(OP_ADDI, uint32(p.To.Reg), uint32(p.To.Reg), 0)
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 8
rel.Sym = p.From.Sym
rel.Type = objabi.R_POWER_TLS_LE
case 80:
if p.From.Offset != 0 {
c.ctxt.Diag("invalid offset against tls var %v", p)
}
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), REG_R2, 0)
o2 = AOP_IRR(c.opload(AMOVD), uint32(p.To.Reg), uint32(p.To.Reg), 0)
o3 = AOP_RRR(OP_ADD, uint32(p.To.Reg), uint32(p.To.Reg), REG_R13)
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 8
rel.Sym = p.From.Sym
rel.Type = objabi.R_POWER_TLS_IE
rel = obj.Addrel(c.cursym)
rel.Off = int32(c.pc) + 8
rel.Siz = 4
rel.Sym = p.From.Sym
rel.Type = objabi.R_POWER_TLS
case 82: /* vector instructions, VX-form and VC-form */
if p.From.Type == obj.TYPE_REG {
/* reg reg none OR reg reg reg */
/* 3-register operand order: VRA, VRB, VRT */
/* 2-register operand order: VRA, VRT */
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg))
} else if p.From3Type() == obj.TYPE_CONST {
/* imm imm reg reg */
/* operand order: SIX, VRA, ST, VRT */
six := int(c.regoff(&p.From))
st := int(c.regoff(p.GetFrom3()))
o1 = AOP_IIRR(c.opiirr(p.As), uint32(p.To.Reg), uint32(p.Reg), uint32(st), uint32(six))
} else if p.From3Type() == obj.TYPE_NONE && p.Reg != 0 {
/* imm reg reg */
/* operand order: UIM, VRB, VRT */
uim := int(c.regoff(&p.From))
o1 = AOP_VIRR(c.opirr(p.As), uint32(p.To.Reg), uint32(p.Reg), uint32(uim))
} else {
/* imm reg */
/* operand order: SIM, VRT */
sim := int(c.regoff(&p.From))
o1 = AOP_IR(c.opirr(p.As), uint32(p.To.Reg), uint32(sim))
}
case 83: /* vector instructions, VA-form */
if p.From.Type == obj.TYPE_REG {
/* reg reg reg reg */
/* 4-register operand order: VRA, VRB, VRC, VRT */
o1 = AOP_RRRR(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg), uint32(p.GetFrom3().Reg))
} else if p.From.Type == obj.TYPE_CONST {
/* imm reg reg reg */
/* operand order: SHB, VRA, VRB, VRT */
shb := int(c.regoff(&p.From))
o1 = AOP_IRRR(c.opirrr(p.As), uint32(p.To.Reg), uint32(p.Reg), uint32(p.GetFrom3().Reg), uint32(shb))
}
case 84: // ISEL BC,RA,RB,RT -> isel rt,ra,rb,bc
bc := c.vregoff(&p.From)
if o.a1 == C_CRBIT {
// CR bit is encoded as a register, not a constant.
bc = int64(p.From.Reg)
}
// rt = To.Reg, ra = p.Reg, rb = p.From3.Reg
o1 = AOP_ISEL(OP_ISEL, uint32(p.To.Reg), uint32(p.Reg), uint32(p.GetFrom3().Reg), uint32(bc))
case 85: /* vector instructions, VX-form */
/* reg none reg */
/* 2-register operand order: VRB, VRT */
o1 = AOP_RR(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg))
case 86: /* VSX indexed store, XX1-form */
/* reg reg reg */
/* 3-register operand order: XT, (RB)(RA*1) */
o1 = AOP_XX1(c.opstorex(p.As), uint32(p.From.Reg), uint32(p.To.Index), uint32(p.To.Reg))
case 87: /* VSX indexed load, XX1-form */
/* reg reg reg */
/* 3-register operand order: (RB)(RA*1), XT */
o1 = AOP_XX1(c.oploadx(p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(p.From.Reg))
case 88: /* VSX mfvsr* instructions, XX1-form XS,RA */
o1 = AOP_XX1(c.oprrr(p.As), uint32(p.From.Reg), uint32(p.To.Reg), uint32(p.Reg))
case 89: /* VSX instructions, XX2-form */
/* reg none reg OR reg imm reg */
/* 2-register operand order: XB, XT or XB, UIM, XT*/
uim := int(c.regoff(p.GetFrom3()))
o1 = AOP_XX2(c.oprrr(p.As), uint32(p.To.Reg), uint32(uim), uint32(p.From.Reg))
case 90: /* VSX instructions, XX3-form */
if p.From3Type() == obj.TYPE_NONE {
/* reg reg reg */
/* 3-register operand order: XA, XB, XT */
o1 = AOP_XX3(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg))
} else if p.From3Type() == obj.TYPE_CONST {
/* reg reg reg imm */
/* operand order: XA, XB, DM, XT */
dm := int(c.regoff(p.GetFrom3()))
o1 = AOP_XX3I(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg), uint32(dm))
}
case 91: /* VSX instructions, XX4-form */
/* reg reg reg reg */
/* 3-register operand order: XA, XB, XC, XT */
o1 = AOP_XX4(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg), uint32(p.GetFrom3().Reg))
case 92: /* X-form instructions, 3-operands */
if p.To.Type == obj.TYPE_CONST {
/* imm reg reg */
xf := int32(p.From.Reg)
if REG_F0 <= xf && xf <= REG_F31 {
/* operand order: FRA, FRB, BF */
bf := int(c.regoff(&p.To)) << 2
o1 = AOP_RRR(c.opirr(p.As), uint32(bf), uint32(p.From.Reg), uint32(p.Reg))
} else {
/* operand order: RA, RB, L */
l := int(c.regoff(&p.To))
o1 = AOP_RRR(c.opirr(p.As), uint32(l), uint32(p.From.Reg), uint32(p.Reg))
}
} else if p.From3Type() == obj.TYPE_CONST {
/* reg reg imm */
/* operand order: RB, L, RA */
l := int(c.regoff(p.GetFrom3()))
o1 = AOP_RRR(c.opirr(p.As), uint32(l), uint32(p.To.Reg), uint32(p.From.Reg))
} else if p.To.Type == obj.TYPE_REG {
cr := int32(p.To.Reg)
if REG_CR0 <= cr && cr <= REG_CR7 {
/* cr reg reg */
/* operand order: RA, RB, BF */
bf := (int(p.To.Reg) & 7) << 2
o1 = AOP_RRR(c.opirr(p.As), uint32(bf), uint32(p.From.Reg), uint32(p.Reg))
} else if p.From.Type == obj.TYPE_CONST {
/* reg imm */
/* operand order: L, RT */
l := int(c.regoff(&p.From))
o1 = AOP_RRR(c.opirr(p.As), uint32(p.To.Reg), uint32(l), uint32(p.Reg))
} else {
switch p.As {
case ACOPY, APASTECC:
o1 = AOP_RRR(c.opirr(p.As), uint32(1), uint32(p.From.Reg), uint32(p.To.Reg))
default:
/* reg reg reg */
/* operand order: RS, RB, RA */
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.From.Reg), uint32(p.To.Reg), uint32(p.Reg))
}
}
}
case 93: /* X-form instructions, 2-operands */
if p.To.Type == obj.TYPE_CONST {
/* imm reg */
/* operand order: FRB, BF */
bf := int(c.regoff(&p.To)) << 2
o1 = AOP_RR(c.opirr(p.As), uint32(bf), uint32(p.From.Reg))
} else if p.Reg == 0 {
/* popcnt* r,r, X-form */
/* operand order: RS, RA */
o1 = AOP_RRR(c.oprrr(p.As), uint32(p.From.Reg), uint32(p.To.Reg), uint32(p.Reg))
}
case 94: /* Z23-form instructions, 4-operands */
/* reg reg reg imm */
/* operand order: RA, RB, CY, RT */
cy := int(c.regoff(p.GetFrom3()))
o1 = AOP_Z23I(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg), uint32(cy))
case 96: /* VSX load, DQ-form */
/* reg imm reg */
/* operand order: (RA)(DQ), XT */
dq := int16(c.regoff(&p.From))
if (dq & 15) != 0 {
c.ctxt.Diag("invalid offset for DQ form load/store %v", dq)
}
o1 = AOP_DQ(c.opload(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(dq))
case 97: /* VSX store, DQ-form */
/* reg imm reg */
/* operand order: XT, (RA)(DQ) */
dq := int16(c.regoff(&p.To))
if (dq & 15) != 0 {
c.ctxt.Diag("invalid offset for DQ form load/store %v", dq)
}
o1 = AOP_DQ(c.opstore(p.As), uint32(p.From.Reg), uint32(p.To.Reg), uint32(dq))
case 98: /* VSX indexed load or load with length (also left-justified), x-form */
/* vsreg, reg, reg */
o1 = AOP_XX1(c.opload(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg))
case 99: /* VSX store with length (also left-justified) x-form */
/* reg, reg, vsreg */
o1 = AOP_XX1(c.opstore(p.As), uint32(p.From.Reg), uint32(p.Reg), uint32(p.To.Reg))
case 100: /* VSX X-form XXSPLTIB */
if p.From.Type == obj.TYPE_CONST {
/* imm reg */
uim := int(c.regoff(&p.From))
/* imm reg */
/* Use AOP_XX1 form with 0 for one of the registers. */
o1 = AOP_XX1(c.oprrr(p.As), uint32(p.To.Reg), uint32(0), uint32(uim))
} else {
c.ctxt.Diag("invalid ops for %v", p.As)
}
case 101:
o1 = AOP_XX2(c.oprrr(p.As), uint32(p.To.Reg), uint32(0), uint32(p.From.Reg))
case 102: /* RLWMI $sh,rs,$mb,$me,rt (M-form opcode)*/
mb := uint32(c.regoff(&p.RestArgs[0].Addr))
me := uint32(c.regoff(&p.RestArgs[1].Addr))
sh := uint32(c.regoff(&p.From))
o1 = OP_RLW(c.opirr(p.As), uint32(p.To.Reg), uint32(p.Reg), sh, mb, me)
case 103: /* RLWMI rb,rs,$mb,$me,rt (M-form opcode)*/
mb := uint32(c.regoff(&p.RestArgs[0].Addr))
me := uint32(c.regoff(&p.RestArgs[1].Addr))
o1 = OP_RLW(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.Reg), uint32(p.From.Reg), mb, me)
case 104: /* VSX mtvsr* instructions, XX1-form RA,RB,XT */
o1 = AOP_XX1(c.oprrr(p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg))
case 105: /* PNOP */
o1 = 0x07000000
o2 = 0x00000000
case 106: /* MOVD spr, soreg */
v := int32(p.From.Reg)
o1 = OPVCC(31, 339, 0, 0) /* mfspr */
o1 = AOP_RRR(o1, uint32(REGTMP), 0, 0) | (uint32(v)&0x1f)<<16 | ((uint32(v)>>5)&0x1f)<<11
so := c.regoff(&p.To)
o2 = AOP_IRR(c.opstore(AMOVD), uint32(REGTMP), uint32(p.To.Reg), uint32(so))
if so&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
if p.To.Reg == REGTMP {
log.Fatalf("SPR move to memory will clobber R31 %v", p)
}
case 107: /* MOVD soreg, spr */
v := int32(p.From.Reg)
so := c.regoff(&p.From)
o1 = AOP_IRR(c.opload(AMOVD), uint32(REGTMP), uint32(v), uint32(so))
o2 = OPVCC(31, 467, 0, 0) /* mtspr */
v = int32(p.To.Reg)
o2 = AOP_RRR(o2, uint32(REGTMP), 0, 0) | (uint32(v)&0x1f)<<16 | ((uint32(v)>>5)&0x1f)<<11
if so&0x3 != 0 {
log.Fatalf("invalid offset for DS form load/store %v", p)
}
}
out[0] = o1
out[1] = o2
out[2] = o3
out[3] = o4
out[4] = o5
}
func (c *ctxt9) vregoff(a *obj.Addr) int64 {
c.instoffset = 0
if a != nil {
c.aclass(a)
}
return c.instoffset
}
func (c *ctxt9) regoff(a *obj.Addr) int32 {
return int32(c.vregoff(a))
}
func (c *ctxt9) oprrr(a obj.As) uint32 {
switch a {
case AADD:
return OPVCC(31, 266, 0, 0)
case AADDCC:
return OPVCC(31, 266, 0, 1)
case AADDV:
return OPVCC(31, 266, 1, 0)
case AADDVCC:
return OPVCC(31, 266, 1, 1)
case AADDC:
return OPVCC(31, 10, 0, 0)
case AADDCCC:
return OPVCC(31, 10, 0, 1)
case AADDCV:
return OPVCC(31, 10, 1, 0)
case AADDCVCC:
return OPVCC(31, 10, 1, 1)
case AADDE:
return OPVCC(31, 138, 0, 0)
case AADDECC:
return OPVCC(31, 138, 0, 1)
case AADDEV:
return OPVCC(31, 138, 1, 0)
case AADDEVCC:
return OPVCC(31, 138, 1, 1)
case AADDME:
return OPVCC(31, 234, 0, 0)
case AADDMECC:
return OPVCC(31, 234, 0, 1)
case AADDMEV:
return OPVCC(31, 234, 1, 0)
case AADDMEVCC:
return OPVCC(31, 234, 1, 1)
case AADDZE:
return OPVCC(31, 202, 0, 0)
case AADDZECC:
return OPVCC(31, 202, 0, 1)
case AADDZEV:
return OPVCC(31, 202, 1, 0)
case AADDZEVCC:
return OPVCC(31, 202, 1, 1)
case AADDEX:
return OPVCC(31, 170, 0, 0) /* addex - v3.0b */
case AAND:
return OPVCC(31, 28, 0, 0)
case AANDCC:
return OPVCC(31, 28, 0, 1)
case AANDN:
return OPVCC(31, 60, 0, 0)
case AANDNCC:
return OPVCC(31, 60, 0, 1)
case ACMP:
return OPVCC(31, 0, 0, 0) | 1<<21 /* L=1 */
case ACMPU:
return OPVCC(31, 32, 0, 0) | 1<<21
case ACMPW:
return OPVCC(31, 0, 0, 0) /* L=0 */
case ACMPWU:
return OPVCC(31, 32, 0, 0)
case ACMPB:
return OPVCC(31, 508, 0, 0) /* cmpb - v2.05 */
case ACMPEQB:
return OPVCC(31, 224, 0, 0) /* cmpeqb - v3.00 */
case ACNTLZW:
return OPVCC(31, 26, 0, 0)
case ACNTLZWCC:
return OPVCC(31, 26, 0, 1)
case ACNTLZD:
return OPVCC(31, 58, 0, 0)
case ACNTLZDCC:
return OPVCC(31, 58, 0, 1)
case ACRAND:
return OPVCC(19, 257, 0, 0)
case ACRANDN:
return OPVCC(19, 129, 0, 0)
case ACREQV:
return OPVCC(19, 289, 0, 0)
case ACRNAND:
return OPVCC(19, 225, 0, 0)
case ACRNOR:
return OPVCC(19, 33, 0, 0)
case ACROR:
return OPVCC(19, 449, 0, 0)
case ACRORN:
return OPVCC(19, 417, 0, 0)
case ACRXOR:
return OPVCC(19, 193, 0, 0)
case ADCBF:
return OPVCC(31, 86, 0, 0)
case ADCBI:
return OPVCC(31, 470, 0, 0)
case ADCBST:
return OPVCC(31, 54, 0, 0)
case ADCBT:
return OPVCC(31, 278, 0, 0)
case ADCBTST:
return OPVCC(31, 246, 0, 0)
case ADCBZ:
return OPVCC(31, 1014, 0, 0)
case AMODUD:
return OPVCC(31, 265, 0, 0) /* modud - v3.0 */
case AMODUW:
return OPVCC(31, 267, 0, 0) /* moduw - v3.0 */
case AMODSD:
return OPVCC(31, 777, 0, 0) /* modsd - v3.0 */
case AMODSW:
return OPVCC(31, 779, 0, 0) /* modsw - v3.0 */
case ADIVW, AREM:
return OPVCC(31, 491, 0, 0)
case ADIVWCC:
return OPVCC(31, 491, 0, 1)
case ADIVWV:
return OPVCC(31, 491, 1, 0)
case ADIVWVCC:
return OPVCC(31, 491, 1, 1)
case ADIVWU, AREMU:
return OPVCC(31, 459, 0, 0)
case ADIVWUCC:
return OPVCC(31, 459, 0, 1)
case ADIVWUV:
return OPVCC(31, 459, 1, 0)
case ADIVWUVCC:
return OPVCC(31, 459, 1, 1)
case ADIVD, AREMD:
return OPVCC(31, 489, 0, 0)
case ADIVDCC:
return OPVCC(31, 489, 0, 1)
case ADIVDE:
return OPVCC(31, 425, 0, 0)
case ADIVDECC:
return OPVCC(31, 425, 0, 1)
case ADIVDEU:
return OPVCC(31, 393, 0, 0)
case ADIVDEUCC:
return OPVCC(31, 393, 0, 1)
case ADIVDV:
return OPVCC(31, 489, 1, 0)
case ADIVDVCC:
return OPVCC(31, 489, 1, 1)
case ADIVDU, AREMDU:
return OPVCC(31, 457, 0, 0)
case ADIVDUCC:
return OPVCC(31, 457, 0, 1)
case ADIVDUV:
return OPVCC(31, 457, 1, 0)
case ADIVDUVCC:
return OPVCC(31, 457, 1, 1)
case AEIEIO:
return OPVCC(31, 854, 0, 0)
case AEQV:
return OPVCC(31, 284, 0, 0)
case AEQVCC:
return OPVCC(31, 284, 0, 1)
case AEXTSB:
return OPVCC(31, 954, 0, 0)
case AEXTSBCC:
return OPVCC(31, 954, 0, 1)
case AEXTSH:
return OPVCC(31, 922, 0, 0)
case AEXTSHCC:
return OPVCC(31, 922, 0, 1)
case AEXTSW:
return OPVCC(31, 986, 0, 0)
case AEXTSWCC:
return OPVCC(31, 986, 0, 1)
case AFABS:
return OPVCC(63, 264, 0, 0)
case AFABSCC:
return OPVCC(63, 264, 0, 1)
case AFADD:
return OPVCC(63, 21, 0, 0)
case AFADDCC:
return OPVCC(63, 21, 0, 1)
case AFADDS:
return OPVCC(59, 21, 0, 0)
case AFADDSCC:
return OPVCC(59, 21, 0, 1)
case AFCMPO:
return OPVCC(63, 32, 0, 0)
case AFCMPU:
return OPVCC(63, 0, 0, 0)
case AFCFID:
return OPVCC(63, 846, 0, 0)
case AFCFIDCC:
return OPVCC(63, 846, 0, 1)
case AFCFIDU:
return OPVCC(63, 974, 0, 0)
case AFCFIDUCC:
return OPVCC(63, 974, 0, 1)
case AFCFIDS:
return OPVCC(59, 846, 0, 0)
case AFCFIDSCC:
return OPVCC(59, 846, 0, 1)
case AFCTIW:
return OPVCC(63, 14, 0, 0)
case AFCTIWCC:
return OPVCC(63, 14, 0, 1)
case AFCTIWZ:
return OPVCC(63, 15, 0, 0)
case AFCTIWZCC:
return OPVCC(63, 15, 0, 1)
case AFCTID:
return OPVCC(63, 814, 0, 0)
case AFCTIDCC:
return OPVCC(63, 814, 0, 1)
case AFCTIDZ:
return OPVCC(63, 815, 0, 0)
case AFCTIDZCC:
return OPVCC(63, 815, 0, 1)
case AFDIV:
return OPVCC(63, 18, 0, 0)
case AFDIVCC:
return OPVCC(63, 18, 0, 1)
case AFDIVS:
return OPVCC(59, 18, 0, 0)
case AFDIVSCC:
return OPVCC(59, 18, 0, 1)
case AFMADD:
return OPVCC(63, 29, 0, 0)
case AFMADDCC:
return OPVCC(63, 29, 0, 1)
case AFMADDS:
return OPVCC(59, 29, 0, 0)
case AFMADDSCC:
return OPVCC(59, 29, 0, 1)
case AFMOVS, AFMOVD:
return OPVCC(63, 72, 0, 0) /* load */
case AFMOVDCC:
return OPVCC(63, 72, 0, 1)
case AFMSUB:
return OPVCC(63, 28, 0, 0)
case AFMSUBCC:
return OPVCC(63, 28, 0, 1)
case AFMSUBS:
return OPVCC(59, 28, 0, 0)
case AFMSUBSCC:
return OPVCC(59, 28, 0, 1)
case AFMUL:
return OPVCC(63, 25, 0, 0)
case AFMULCC:
return OPVCC(63, 25, 0, 1)
case AFMULS:
return OPVCC(59, 25, 0, 0)
case AFMULSCC:
return OPVCC(59, 25, 0, 1)
case AFNABS:
return OPVCC(63, 136, 0, 0)
case AFNABSCC:
return OPVCC(63, 136, 0, 1)
case AFNEG:
return OPVCC(63, 40, 0, 0)
case AFNEGCC:
return OPVCC(63, 40, 0, 1)
case AFNMADD:
return OPVCC(63, 31, 0, 0)
case AFNMADDCC:
return OPVCC(63, 31, 0, 1)
case AFNMADDS:
return OPVCC(59, 31, 0, 0)
case AFNMADDSCC:
return OPVCC(59, 31, 0, 1)
case AFNMSUB:
return OPVCC(63, 30, 0, 0)
case AFNMSUBCC:
return OPVCC(63, 30, 0, 1)
case AFNMSUBS:
return OPVCC(59, 30, 0, 0)
case AFNMSUBSCC:
return OPVCC(59, 30, 0, 1)
case AFCPSGN:
return OPVCC(63, 8, 0, 0)
case AFCPSGNCC:
return OPVCC(63, 8, 0, 1)
case AFRES:
return OPVCC(59, 24, 0, 0)
case AFRESCC:
return OPVCC(59, 24, 0, 1)
case AFRIM:
return OPVCC(63, 488, 0, 0)
case AFRIMCC:
return OPVCC(63, 488, 0, 1)
case AFRIP:
return OPVCC(63, 456, 0, 0)
case AFRIPCC:
return OPVCC(63, 456, 0, 1)
case AFRIZ:
return OPVCC(63, 424, 0, 0)
case AFRIZCC:
return OPVCC(63, 424, 0, 1)
case AFRIN:
return OPVCC(63, 392, 0, 0)
case AFRINCC:
return OPVCC(63, 392, 0, 1)
case AFRSP:
return OPVCC(63, 12, 0, 0)
case AFRSPCC:
return OPVCC(63, 12, 0, 1)
case AFRSQRTE:
return OPVCC(63, 26, 0, 0)
case AFRSQRTECC:
return OPVCC(63, 26, 0, 1)
case AFSEL:
return OPVCC(63, 23, 0, 0)
case AFSELCC:
return OPVCC(63, 23, 0, 1)
case AFSQRT:
return OPVCC(63, 22, 0, 0)
case AFSQRTCC:
return OPVCC(63, 22, 0, 1)
case AFSQRTS:
return OPVCC(59, 22, 0, 0)
case AFSQRTSCC:
return OPVCC(59, 22, 0, 1)
case AFSUB:
return OPVCC(63, 20, 0, 0)
case AFSUBCC:
return OPVCC(63, 20, 0, 1)
case AFSUBS:
return OPVCC(59, 20, 0, 0)
case AFSUBSCC:
return OPVCC(59, 20, 0, 1)
case AICBI:
return OPVCC(31, 982, 0, 0)
case AISYNC:
return OPVCC(19, 150, 0, 0)
case AMTFSB0:
return OPVCC(63, 70, 0, 0)
case AMTFSB0CC:
return OPVCC(63, 70, 0, 1)
case AMTFSB1:
return OPVCC(63, 38, 0, 0)
case AMTFSB1CC:
return OPVCC(63, 38, 0, 1)
case AMULHW:
return OPVCC(31, 75, 0, 0)
case AMULHWCC:
return OPVCC(31, 75, 0, 1)
case AMULHWU:
return OPVCC(31, 11, 0, 0)
case AMULHWUCC:
return OPVCC(31, 11, 0, 1)
case AMULLW:
return OPVCC(31, 235, 0, 0)
case AMULLWCC:
return OPVCC(31, 235, 0, 1)
case AMULLWV:
return OPVCC(31, 235, 1, 0)
case AMULLWVCC:
return OPVCC(31, 235, 1, 1)
case AMULHD:
return OPVCC(31, 73, 0, 0)
case AMULHDCC:
return OPVCC(31, 73, 0, 1)
case AMULHDU:
return OPVCC(31, 9, 0, 0)
case AMULHDUCC:
return OPVCC(31, 9, 0, 1)
case AMULLD:
return OPVCC(31, 233, 0, 0)
case AMULLDCC:
return OPVCC(31, 233, 0, 1)
case AMULLDV:
return OPVCC(31, 233, 1, 0)
case AMULLDVCC:
return OPVCC(31, 233, 1, 1)
case ANAND:
return OPVCC(31, 476, 0, 0)
case ANANDCC:
return OPVCC(31, 476, 0, 1)
case ANEG:
return OPVCC(31, 104, 0, 0)
case ANEGCC:
return OPVCC(31, 104, 0, 1)
case ANEGV:
return OPVCC(31, 104, 1, 0)
case ANEGVCC:
return OPVCC(31, 104, 1, 1)
case ANOR:
return OPVCC(31, 124, 0, 0)
case ANORCC:
return OPVCC(31, 124, 0, 1)
case AOR:
return OPVCC(31, 444, 0, 0)
case AORCC:
return OPVCC(31, 444, 0, 1)
case AORN:
return OPVCC(31, 412, 0, 0)
case AORNCC:
return OPVCC(31, 412, 0, 1)
case APOPCNTD:
return OPVCC(31, 506, 0, 0) /* popcntd - v2.06 */
case APOPCNTW:
return OPVCC(31, 378, 0, 0) /* popcntw - v2.06 */
case APOPCNTB:
return OPVCC(31, 122, 0, 0) /* popcntb - v2.02 */
case ACNTTZW:
return OPVCC(31, 538, 0, 0) /* cnttzw - v3.00 */
case ACNTTZWCC:
return OPVCC(31, 538, 0, 1) /* cnttzw. - v3.00 */
case ACNTTZD:
return OPVCC(31, 570, 0, 0) /* cnttzd - v3.00 */
case ACNTTZDCC:
return OPVCC(31, 570, 0, 1) /* cnttzd. - v3.00 */
case ARFI:
return OPVCC(19, 50, 0, 0)
case ARFCI:
return OPVCC(19, 51, 0, 0)
case ARFID:
return OPVCC(19, 18, 0, 0)
case AHRFID:
return OPVCC(19, 274, 0, 0)
case ARLWMI:
return OPVCC(20, 0, 0, 0)
case ARLWMICC:
return OPVCC(20, 0, 0, 1)
case ARLWNM:
return OPVCC(23, 0, 0, 0)
case ARLWNMCC:
return OPVCC(23, 0, 0, 1)
case ARLDCL:
return OPVCC(30, 8, 0, 0)
case ARLDCLCC:
return OPVCC(30, 0, 0, 1)
case ARLDCR:
return OPVCC(30, 9, 0, 0)
case ARLDCRCC:
return OPVCC(30, 9, 0, 1)
case ARLDICL:
return OPVCC(30, 0, 0, 0)
case ARLDICLCC:
return OPVCC(30, 0, 0, 1)
case ARLDICR:
return OPMD(30, 1, 0) // rldicr
case ARLDICRCC:
return OPMD(30, 1, 1) // rldicr.
case ARLDIC:
return OPMD(30, 2, 0) // rldic
case ARLDICCC:
return OPMD(30, 2, 1) // rldic.
case ASYSCALL:
return OPVCC(17, 1, 0, 0)
case ASLW:
return OPVCC(31, 24, 0, 0)
case ASLWCC:
return OPVCC(31, 24, 0, 1)
case ASLD:
return OPVCC(31, 27, 0, 0)
case ASLDCC:
return OPVCC(31, 27, 0, 1)
case ASRAW:
return OPVCC(31, 792, 0, 0)
case ASRAWCC:
return OPVCC(31, 792, 0, 1)
case ASRAD:
return OPVCC(31, 794, 0, 0)
case ASRADCC:
return OPVCC(31, 794, 0, 1)
case AEXTSWSLI:
return OPVCC(31, 445, 0, 0)
case AEXTSWSLICC:
return OPVCC(31, 445, 0, 1)
case ASRW:
return OPVCC(31, 536, 0, 0)
case ASRWCC:
return OPVCC(31, 536, 0, 1)
case ASRD:
return OPVCC(31, 539, 0, 0)
case ASRDCC:
return OPVCC(31, 539, 0, 1)
case ASUB:
return OPVCC(31, 40, 0, 0)
case ASUBCC:
return OPVCC(31, 40, 0, 1)
case ASUBV:
return OPVCC(31, 40, 1, 0)
case ASUBVCC:
return OPVCC(31, 40, 1, 1)
case ASUBC:
return OPVCC(31, 8, 0, 0)
case ASUBCCC:
return OPVCC(31, 8, 0, 1)
case ASUBCV:
return OPVCC(31, 8, 1, 0)
case ASUBCVCC:
return OPVCC(31, 8, 1, 1)
case ASUBE:
return OPVCC(31, 136, 0, 0)
case ASUBECC:
return OPVCC(31, 136, 0, 1)
case ASUBEV:
return OPVCC(31, 136, 1, 0)
case ASUBEVCC:
return OPVCC(31, 136, 1, 1)
case ASUBME:
return OPVCC(31, 232, 0, 0)
case ASUBMECC:
return OPVCC(31, 232, 0, 1)
case ASUBMEV:
return OPVCC(31, 232, 1, 0)
case ASUBMEVCC:
return OPVCC(31, 232, 1, 1)
case ASUBZE:
return OPVCC(31, 200, 0, 0)
case ASUBZECC:
return OPVCC(31, 200, 0, 1)
case ASUBZEV:
return OPVCC(31, 200, 1, 0)
case ASUBZEVCC:
return OPVCC(31, 200, 1, 1)
case ASYNC:
return OPVCC(31, 598, 0, 0)
case ALWSYNC:
return OPVCC(31, 598, 0, 0) | 1<<21
case APTESYNC:
return OPVCC(31, 598, 0, 0) | 2<<21
case ATLBIE:
return OPVCC(31, 306, 0, 0)
case ATLBIEL:
return OPVCC(31, 274, 0, 0)
case ATLBSYNC:
return OPVCC(31, 566, 0, 0)
case ASLBIA:
return OPVCC(31, 498, 0, 0)
case ASLBIE:
return OPVCC(31, 434, 0, 0)
case ASLBMFEE:
return OPVCC(31, 915, 0, 0)
case ASLBMFEV:
return OPVCC(31, 851, 0, 0)
case ASLBMTE:
return OPVCC(31, 402, 0, 0)
case ATW:
return OPVCC(31, 4, 0, 0)
case ATD:
return OPVCC(31, 68, 0, 0)
/* Vector (VMX/Altivec) instructions */
/* ISA 2.03 enables these for PPC970. For POWERx processors, these */
/* are enabled starting at POWER6 (ISA 2.05). */
case AVAND:
return OPVX(4, 1028, 0, 0) /* vand - v2.03 */
case AVANDC:
return OPVX(4, 1092, 0, 0) /* vandc - v2.03 */
case AVNAND:
return OPVX(4, 1412, 0, 0) /* vnand - v2.07 */
case AVOR:
return OPVX(4, 1156, 0, 0) /* vor - v2.03 */
case AVORC:
return OPVX(4, 1348, 0, 0) /* vorc - v2.07 */
case AVNOR:
return OPVX(4, 1284, 0, 0) /* vnor - v2.03 */
case AVXOR:
return OPVX(4, 1220, 0, 0) /* vxor - v2.03 */
case AVEQV:
return OPVX(4, 1668, 0, 0) /* veqv - v2.07 */
case AVADDUBM:
return OPVX(4, 0, 0, 0) /* vaddubm - v2.03 */
case AVADDUHM:
return OPVX(4, 64, 0, 0) /* vadduhm - v2.03 */
case AVADDUWM:
return OPVX(4, 128, 0, 0) /* vadduwm - v2.03 */
case AVADDUDM:
return OPVX(4, 192, 0, 0) /* vaddudm - v2.07 */
case AVADDUQM:
return OPVX(4, 256, 0, 0) /* vadduqm - v2.07 */
case AVADDCUQ:
return OPVX(4, 320, 0, 0) /* vaddcuq - v2.07 */
case AVADDCUW:
return OPVX(4, 384, 0, 0) /* vaddcuw - v2.03 */
case AVADDUBS:
return OPVX(4, 512, 0, 0) /* vaddubs - v2.03 */
case AVADDUHS:
return OPVX(4, 576, 0, 0) /* vadduhs - v2.03 */
case AVADDUWS:
return OPVX(4, 640, 0, 0) /* vadduws - v2.03 */
case AVADDSBS:
return OPVX(4, 768, 0, 0) /* vaddsbs - v2.03 */
case AVADDSHS:
return OPVX(4, 832, 0, 0) /* vaddshs - v2.03 */
case AVADDSWS:
return OPVX(4, 896, 0, 0) /* vaddsws - v2.03 */
case AVADDEUQM:
return OPVX(4, 60, 0, 0) /* vaddeuqm - v2.07 */
case AVADDECUQ:
return OPVX(4, 61, 0, 0) /* vaddecuq - v2.07 */
case AVMULESB:
return OPVX(4, 776, 0, 0) /* vmulesb - v2.03 */
case AVMULOSB:
return OPVX(4, 264, 0, 0) /* vmulosb - v2.03 */
case AVMULEUB:
return OPVX(4, 520, 0, 0) /* vmuleub - v2.03 */
case AVMULOUB:
return OPVX(4, 8, 0, 0) /* vmuloub - v2.03 */
case AVMULESH:
return OPVX(4, 840, 0, 0) /* vmulesh - v2.03 */
case AVMULOSH:
return OPVX(4, 328, 0, 0) /* vmulosh - v2.03 */
case AVMULEUH:
return OPVX(4, 584, 0, 0) /* vmuleuh - v2.03 */
case AVMULOUH:
return OPVX(4, 72, 0, 0) /* vmulouh - v2.03 */
case AVMULESW:
return OPVX(4, 904, 0, 0) /* vmulesw - v2.07 */
case AVMULOSW:
return OPVX(4, 392, 0, 0) /* vmulosw - v2.07 */
case AVMULEUW:
return OPVX(4, 648, 0, 0) /* vmuleuw - v2.07 */
case AVMULOUW:
return OPVX(4, 136, 0, 0) /* vmulouw - v2.07 */
case AVMULUWM:
return OPVX(4, 137, 0, 0) /* vmuluwm - v2.07 */
case AVPMSUMB:
return OPVX(4, 1032, 0, 0) /* vpmsumb - v2.07 */
case AVPMSUMH:
return OPVX(4, 1096, 0, 0) /* vpmsumh - v2.07 */
case AVPMSUMW:
return OPVX(4, 1160, 0, 0) /* vpmsumw - v2.07 */
case AVPMSUMD:
return OPVX(4, 1224, 0, 0) /* vpmsumd - v2.07 */
case AVMSUMUDM:
return OPVX(4, 35, 0, 0) /* vmsumudm - v3.00b */
case AVSUBUBM:
return OPVX(4, 1024, 0, 0) /* vsububm - v2.03 */
case AVSUBUHM:
return OPVX(4, 1088, 0, 0) /* vsubuhm - v2.03 */
case AVSUBUWM:
return OPVX(4, 1152, 0, 0) /* vsubuwm - v2.03 */
case AVSUBUDM:
return OPVX(4, 1216, 0, 0) /* vsubudm - v2.07 */
case AVSUBUQM:
return OPVX(4, 1280, 0, 0) /* vsubuqm - v2.07 */
case AVSUBCUQ:
return OPVX(4, 1344, 0, 0) /* vsubcuq - v2.07 */
case AVSUBCUW:
return OPVX(4, 1408, 0, 0) /* vsubcuw - v2.03 */
case AVSUBUBS:
return OPVX(4, 1536, 0, 0) /* vsububs - v2.03 */
case AVSUBUHS:
return OPVX(4, 1600, 0, 0) /* vsubuhs - v2.03 */
case AVSUBUWS:
return OPVX(4, 1664, 0, 0) /* vsubuws - v2.03 */
case AVSUBSBS:
return OPVX(4, 1792, 0, 0) /* vsubsbs - v2.03 */
case AVSUBSHS:
return OPVX(4, 1856, 0, 0) /* vsubshs - v2.03 */
case AVSUBSWS:
return OPVX(4, 1920, 0, 0) /* vsubsws - v2.03 */
case AVSUBEUQM:
return OPVX(4, 62, 0, 0) /* vsubeuqm - v2.07 */
case AVSUBECUQ:
return OPVX(4, 63, 0, 0) /* vsubecuq - v2.07 */
case AVRLB:
return OPVX(4, 4, 0, 0) /* vrlb - v2.03 */
case AVRLH:
return OPVX(4, 68, 0, 0) /* vrlh - v2.03 */
case AVRLW:
return OPVX(4, 132, 0, 0) /* vrlw - v2.03 */
case AVRLD:
return OPVX(4, 196, 0, 0) /* vrld - v2.07 */
case AVMRGOW:
return OPVX(4, 1676, 0, 0) /* vmrgow - v2.07 */
case AVMRGEW:
return OPVX(4, 1932, 0, 0) /* vmrgew - v2.07 */
case AVSLB:
return OPVX(4, 260, 0, 0) /* vslh - v2.03 */
case AVSLH:
return OPVX(4, 324, 0, 0) /* vslh - v2.03 */
case AVSLW:
return OPVX(4, 388, 0, 0) /* vslw - v2.03 */
case AVSL:
return OPVX(4, 452, 0, 0) /* vsl - v2.03 */
case AVSLO:
return OPVX(4, 1036, 0, 0) /* vsl - v2.03 */
case AVSRB:
return OPVX(4, 516, 0, 0) /* vsrb - v2.03 */
case AVSRH:
return OPVX(4, 580, 0, 0) /* vsrh - v2.03 */
case AVSRW:
return OPVX(4, 644, 0, 0) /* vsrw - v2.03 */
case AVSR:
return OPVX(4, 708, 0, 0) /* vsr - v2.03 */
case AVSRO:
return OPVX(4, 1100, 0, 0) /* vsro - v2.03 */
case AVSLD:
return OPVX(4, 1476, 0, 0) /* vsld - v2.07 */
case AVSRD:
return OPVX(4, 1732, 0, 0) /* vsrd - v2.07 */
case AVSRAB:
return OPVX(4, 772, 0, 0) /* vsrab - v2.03 */
case AVSRAH:
return OPVX(4, 836, 0, 0) /* vsrah - v2.03 */
case AVSRAW:
return OPVX(4, 900, 0, 0) /* vsraw - v2.03 */
case AVSRAD:
return OPVX(4, 964, 0, 0) /* vsrad - v2.07 */
case AVBPERMQ:
return OPVC(4, 1356, 0, 0) /* vbpermq - v2.07 */
case AVBPERMD:
return OPVC(4, 1484, 0, 0) /* vbpermd - v3.00 */
case AVCLZB:
return OPVX(4, 1794, 0, 0) /* vclzb - v2.07 */
case AVCLZH:
return OPVX(4, 1858, 0, 0) /* vclzh - v2.07 */
case AVCLZW:
return OPVX(4, 1922, 0, 0) /* vclzw - v2.07 */
case AVCLZD:
return OPVX(4, 1986, 0, 0) /* vclzd - v2.07 */
case AVPOPCNTB:
return OPVX(4, 1795, 0, 0) /* vpopcntb - v2.07 */
case AVPOPCNTH:
return OPVX(4, 1859, 0, 0) /* vpopcnth - v2.07 */
case AVPOPCNTW:
return OPVX(4, 1923, 0, 0) /* vpopcntw - v2.07 */
case AVPOPCNTD:
return OPVX(4, 1987, 0, 0) /* vpopcntd - v2.07 */
case AVCMPEQUB:
return OPVC(4, 6, 0, 0) /* vcmpequb - v2.03 */
case AVCMPEQUBCC:
return OPVC(4, 6, 0, 1) /* vcmpequb. - v2.03 */
case AVCMPEQUH:
return OPVC(4, 70, 0, 0) /* vcmpequh - v2.03 */
case AVCMPEQUHCC:
return OPVC(4, 70, 0, 1) /* vcmpequh. - v2.03 */
case AVCMPEQUW:
return OPVC(4, 134, 0, 0) /* vcmpequw - v2.03 */
case AVCMPEQUWCC:
return OPVC(4, 134, 0, 1) /* vcmpequw. - v2.03 */
case AVCMPEQUD:
return OPVC(4, 199, 0, 0) /* vcmpequd - v2.07 */
case AVCMPEQUDCC:
return OPVC(4, 199, 0, 1) /* vcmpequd. - v2.07 */
case AVCMPGTUB:
return OPVC(4, 518, 0, 0) /* vcmpgtub - v2.03 */
case AVCMPGTUBCC:
return OPVC(4, 518, 0, 1) /* vcmpgtub. - v2.03 */
case AVCMPGTUH:
return OPVC(4, 582, 0, 0) /* vcmpgtuh - v2.03 */
case AVCMPGTUHCC:
return OPVC(4, 582, 0, 1) /* vcmpgtuh. - v2.03 */
case AVCMPGTUW:
return OPVC(4, 646, 0, 0) /* vcmpgtuw - v2.03 */
case AVCMPGTUWCC:
return OPVC(4, 646, 0, 1) /* vcmpgtuw. - v2.03 */
case AVCMPGTUD:
return OPVC(4, 711, 0, 0) /* vcmpgtud - v2.07 */
case AVCMPGTUDCC:
return OPVC(4, 711, 0, 1) /* vcmpgtud. v2.07 */
case AVCMPGTSB:
return OPVC(4, 774, 0, 0) /* vcmpgtsb - v2.03 */
case AVCMPGTSBCC:
return OPVC(4, 774, 0, 1) /* vcmpgtsb. - v2.03 */
case AVCMPGTSH:
return OPVC(4, 838, 0, 0) /* vcmpgtsh - v2.03 */
case AVCMPGTSHCC:
return OPVC(4, 838, 0, 1) /* vcmpgtsh. - v2.03 */
case AVCMPGTSW:
return OPVC(4, 902, 0, 0) /* vcmpgtsw - v2.03 */
case AVCMPGTSWCC:
return OPVC(4, 902, 0, 1) /* vcmpgtsw. - v2.03 */
case AVCMPGTSD:
return OPVC(4, 967, 0, 0) /* vcmpgtsd - v2.07 */
case AVCMPGTSDCC:
return OPVC(4, 967, 0, 1) /* vcmpgtsd. - v2.07 */
case AVCMPNEZB:
return OPVC(4, 263, 0, 0) /* vcmpnezb - v3.00 */
case AVCMPNEZBCC:
return OPVC(4, 263, 0, 1) /* vcmpnezb. - v3.00 */
case AVCMPNEB:
return OPVC(4, 7, 0, 0) /* vcmpneb - v3.00 */
case AVCMPNEBCC:
return OPVC(4, 7, 0, 1) /* vcmpneb. - v3.00 */
case AVCMPNEH:
return OPVC(4, 71, 0, 0) /* vcmpneh - v3.00 */
case AVCMPNEHCC:
return OPVC(4, 71, 0, 1) /* vcmpneh. - v3.00 */
case AVCMPNEW:
return OPVC(4, 135, 0, 0) /* vcmpnew - v3.00 */
case AVCMPNEWCC:
return OPVC(4, 135, 0, 1) /* vcmpnew. - v3.00 */
case AVPERM:
return OPVX(4, 43, 0, 0) /* vperm - v2.03 */
case AVPERMXOR:
return OPVX(4, 45, 0, 0) /* vpermxor - v2.03 */
case AVPERMR:
return OPVX(4, 59, 0, 0) /* vpermr - v3.0 */
case AVSEL:
return OPVX(4, 42, 0, 0) /* vsel - v2.03 */
case AVCIPHER:
return OPVX(4, 1288, 0, 0) /* vcipher - v2.07 */
case AVCIPHERLAST:
return OPVX(4, 1289, 0, 0) /* vcipherlast - v2.07 */
case AVNCIPHER:
return OPVX(4, 1352, 0, 0) /* vncipher - v2.07 */
case AVNCIPHERLAST:
return OPVX(4, 1353, 0, 0) /* vncipherlast - v2.07 */
case AVSBOX:
return OPVX(4, 1480, 0, 0) /* vsbox - v2.07 */
/* End of vector instructions */
/* Vector scalar (VSX) instructions */
/* ISA 2.06 enables these for POWER7. */
case AMFVSRD, AMFVRD, AMFFPRD:
return OPVXX1(31, 51, 0) /* mfvsrd - v2.07 */
case AMFVSRWZ:
return OPVXX1(31, 115, 0) /* mfvsrwz - v2.07 */
case AMFVSRLD:
return OPVXX1(31, 307, 0) /* mfvsrld - v3.00 */
case AMTVSRD, AMTFPRD, AMTVRD:
return OPVXX1(31, 179, 0) /* mtvsrd - v2.07 */
case AMTVSRWA:
return OPVXX1(31, 211, 0) /* mtvsrwa - v2.07 */
case AMTVSRWZ:
return OPVXX1(31, 243, 0) /* mtvsrwz - v2.07 */
case AMTVSRDD:
return OPVXX1(31, 435, 0) /* mtvsrdd - v3.00 */
case AMTVSRWS:
return OPVXX1(31, 403, 0) /* mtvsrws - v3.00 */
case AXXLAND:
return OPVXX3(60, 130, 0) /* xxland - v2.06 */
case AXXLANDC:
return OPVXX3(60, 138, 0) /* xxlandc - v2.06 */
case AXXLEQV:
return OPVXX3(60, 186, 0) /* xxleqv - v2.07 */
case AXXLNAND:
return OPVXX3(60, 178, 0) /* xxlnand - v2.07 */
case AXXLORC:
return OPVXX3(60, 170, 0) /* xxlorc - v2.07 */
case AXXLNOR:
return OPVXX3(60, 162, 0) /* xxlnor - v2.06 */
case AXXLOR, AXXLORQ:
return OPVXX3(60, 146, 0) /* xxlor - v2.06 */
case AXXLXOR:
return OPVXX3(60, 154, 0) /* xxlxor - v2.06 */
case AXXSEL:
return OPVXX4(60, 3, 0) /* xxsel - v2.06 */
case AXXMRGHW:
return OPVXX3(60, 18, 0) /* xxmrghw - v2.06 */
case AXXMRGLW:
return OPVXX3(60, 50, 0) /* xxmrglw - v2.06 */
case AXXSPLTW:
return OPVXX2(60, 164, 0) /* xxspltw - v2.06 */
case AXXSPLTIB:
return OPVCC(60, 360, 0, 0) /* xxspltib - v3.0 */
case AXXPERM:
return OPVXX3(60, 26, 0) /* xxperm - v2.06 */
case AXXPERMDI:
return OPVXX3(60, 10, 0) /* xxpermdi - v2.06 */
case AXXSLDWI:
return OPVXX3(60, 2, 0) /* xxsldwi - v2.06 */
case AXXBRQ:
return OPVXX2VA(60, 475, 31) /* xxbrq - v3.0 */
case AXXBRD:
return OPVXX2VA(60, 475, 23) /* xxbrd - v3.0 */
case AXXBRW:
return OPVXX2VA(60, 475, 15) /* xxbrw - v3.0 */
case AXXBRH:
return OPVXX2VA(60, 475, 7) /* xxbrh - v3.0 */
case AXSCVDPSP:
return OPVXX2(60, 265, 0) /* xscvdpsp - v2.06 */
case AXSCVSPDP:
return OPVXX2(60, 329, 0) /* xscvspdp - v2.06 */
case AXSCVDPSPN:
return OPVXX2(60, 267, 0) /* xscvdpspn - v2.07 */
case AXSCVSPDPN:
return OPVXX2(60, 331, 0) /* xscvspdpn - v2.07 */
case AXVCVDPSP:
return OPVXX2(60, 393, 0) /* xvcvdpsp - v2.06 */
case AXVCVSPDP:
return OPVXX2(60, 457, 0) /* xvcvspdp - v2.06 */
case AXSCVDPSXDS:
return OPVXX2(60, 344, 0) /* xscvdpsxds - v2.06 */
case AXSCVDPSXWS:
return OPVXX2(60, 88, 0) /* xscvdpsxws - v2.06 */
case AXSCVDPUXDS:
return OPVXX2(60, 328, 0) /* xscvdpuxds - v2.06 */
case AXSCVDPUXWS:
return OPVXX2(60, 72, 0) /* xscvdpuxws - v2.06 */
case AXSCVSXDDP:
return OPVXX2(60, 376, 0) /* xscvsxddp - v2.06 */
case AXSCVUXDDP:
return OPVXX2(60, 360, 0) /* xscvuxddp - v2.06 */
case AXSCVSXDSP:
return OPVXX2(60, 312, 0) /* xscvsxdsp - v2.06 */
case AXSCVUXDSP:
return OPVXX2(60, 296, 0) /* xscvuxdsp - v2.06 */
case AXVCVDPSXDS:
return OPVXX2(60, 472, 0) /* xvcvdpsxds - v2.06 */
case AXVCVDPSXWS:
return OPVXX2(60, 216, 0) /* xvcvdpsxws - v2.06 */
case AXVCVDPUXDS:
return OPVXX2(60, 456, 0) /* xvcvdpuxds - v2.06 */
case AXVCVDPUXWS:
return OPVXX2(60, 200, 0) /* xvcvdpuxws - v2.06 */
case AXVCVSPSXDS:
return OPVXX2(60, 408, 0) /* xvcvspsxds - v2.07 */
case AXVCVSPSXWS:
return OPVXX2(60, 152, 0) /* xvcvspsxws - v2.07 */
case AXVCVSPUXDS:
return OPVXX2(60, 392, 0) /* xvcvspuxds - v2.07 */
case AXVCVSPUXWS:
return OPVXX2(60, 136, 0) /* xvcvspuxws - v2.07 */
case AXVCVSXDDP:
return OPVXX2(60, 504, 0) /* xvcvsxddp - v2.06 */
case AXVCVSXWDP:
return OPVXX2(60, 248, 0) /* xvcvsxwdp - v2.06 */
case AXVCVUXDDP:
return OPVXX2(60, 488, 0) /* xvcvuxddp - v2.06 */
case AXVCVUXWDP:
return OPVXX2(60, 232, 0) /* xvcvuxwdp - v2.06 */
case AXVCVSXDSP:
return OPVXX2(60, 440, 0) /* xvcvsxdsp - v2.06 */
case AXVCVSXWSP:
return OPVXX2(60, 184, 0) /* xvcvsxwsp - v2.06 */
case AXVCVUXDSP:
return OPVXX2(60, 424, 0) /* xvcvuxdsp - v2.06 */
case AXVCVUXWSP:
return OPVXX2(60, 168, 0) /* xvcvuxwsp - v2.06 */
/* End of VSX instructions */
case AMADDHD:
return OPVX(4, 48, 0, 0) /* maddhd - v3.00 */
case AMADDHDU:
return OPVX(4, 49, 0, 0) /* maddhdu - v3.00 */
case AMADDLD:
return OPVX(4, 51, 0, 0) /* maddld - v3.00 */
case AXOR:
return OPVCC(31, 316, 0, 0)
case AXORCC:
return OPVCC(31, 316, 0, 1)
}
c.ctxt.Diag("bad r/r, r/r/r or r/r/r/r opcode %v", a)
return 0
}
func (c *ctxt9) opirrr(a obj.As) uint32 {
switch a {
/* Vector (VMX/Altivec) instructions */
/* ISA 2.03 enables these for PPC970. For POWERx processors, these */
/* are enabled starting at POWER6 (ISA 2.05). */
case AVSLDOI:
return OPVX(4, 44, 0, 0) /* vsldoi - v2.03 */
}
c.ctxt.Diag("bad i/r/r/r opcode %v", a)
return 0
}
func (c *ctxt9) opiirr(a obj.As) uint32 {
switch a {
/* Vector (VMX/Altivec) instructions */
/* ISA 2.07 enables these for POWER8 and beyond. */
case AVSHASIGMAW:
return OPVX(4, 1666, 0, 0) /* vshasigmaw - v2.07 */
case AVSHASIGMAD:
return OPVX(4, 1730, 0, 0) /* vshasigmad - v2.07 */
}
c.ctxt.Diag("bad i/i/r/r opcode %v", a)
return 0
}
func (c *ctxt9) opirr(a obj.As) uint32 {
switch a {
case AADD:
return OPVCC(14, 0, 0, 0)
case AADDC:
return OPVCC(12, 0, 0, 0)
case AADDCCC:
return OPVCC(13, 0, 0, 0)
case AADDIS:
return OPVCC(15, 0, 0, 0) /* ADDIS */
case AANDCC:
return OPVCC(28, 0, 0, 0)
case AANDISCC:
return OPVCC(29, 0, 0, 0) /* ANDIS. */
case ABR:
return OPVCC(18, 0, 0, 0)
case ABL:
return OPVCC(18, 0, 0, 0) | 1
case obj.ADUFFZERO:
return OPVCC(18, 0, 0, 0) | 1
case obj.ADUFFCOPY:
return OPVCC(18, 0, 0, 0) | 1
case ABC:
return OPVCC(16, 0, 0, 0)
case ABCL:
return OPVCC(16, 0, 0, 0) | 1
case ABEQ:
return AOP_RRR(16<<26, BO_BCR, BI_EQ, 0)
case ABGE:
return AOP_RRR(16<<26, BO_NOTBCR, BI_LT, 0)
case ABGT:
return AOP_RRR(16<<26, BO_BCR, BI_GT, 0)
case ABLE:
return AOP_RRR(16<<26, BO_NOTBCR, BI_GT, 0)
case ABLT:
return AOP_RRR(16<<26, BO_BCR, BI_LT, 0)
case ABNE:
return AOP_RRR(16<<26, BO_NOTBCR, BI_EQ, 0)
case ABVC:
return AOP_RRR(16<<26, BO_NOTBCR, BI_FU, 0)
case ABVS:
return AOP_RRR(16<<26, BO_BCR, BI_FU, 0)
case ABDZ:
return AOP_RRR(16<<26, BO_NOTBCTR, 0, 0)
case ABDNZ:
return AOP_RRR(16<<26, BO_BCTR, 0, 0)
case ACMP:
return OPVCC(11, 0, 0, 0) | 1<<21 /* L=1 */
case ACMPU:
return OPVCC(10, 0, 0, 0) | 1<<21
case ACMPW:
return OPVCC(11, 0, 0, 0) /* L=0 */
case ACMPWU:
return OPVCC(10, 0, 0, 0)
case ACMPEQB:
return OPVCC(31, 224, 0, 0) /* cmpeqb - v3.00 */
case ALSW:
return OPVCC(31, 597, 0, 0)
case ACOPY:
return OPVCC(31, 774, 0, 0) /* copy - v3.00 */
case APASTECC:
return OPVCC(31, 902, 0, 1) /* paste. - v3.00 */
case ADARN:
return OPVCC(31, 755, 0, 0) /* darn - v3.00 */
case AMULLW, AMULLD:
return OPVCC(7, 0, 0, 0) /* mulli works with MULLW or MULLD */
case AOR:
return OPVCC(24, 0, 0, 0)
case AORIS:
return OPVCC(25, 0, 0, 0) /* ORIS */
case ARLWMI:
return OPVCC(20, 0, 0, 0) /* rlwimi */
case ARLWMICC:
return OPVCC(20, 0, 0, 1)
case ARLDMI:
return OPMD(30, 3, 0) /* rldimi */
case ARLDMICC:
return OPMD(30, 3, 1) /* rldimi. */
case ARLDIMI:
return OPMD(30, 3, 0) /* rldimi */
case ARLDIMICC:
return OPMD(30, 3, 1) /* rldimi. */
case ARLWNM:
return OPVCC(21, 0, 0, 0) /* rlwinm */
case ARLWNMCC:
return OPVCC(21, 0, 0, 1)
case ARLDCL:
return OPMD(30, 0, 0) /* rldicl */
case ARLDCLCC:
return OPMD(30, 0, 1) /* rldicl. */
case ARLDCR:
return OPMD(30, 1, 0) /* rldicr */
case ARLDCRCC:
return OPMD(30, 1, 1) /* rldicr. */
case ARLDC:
return OPMD(30, 2, 0) /* rldic */
case ARLDCCC:
return OPMD(30, 2, 1) /* rldic. */
case ASRAW:
return OPVCC(31, 824, 0, 0)
case ASRAWCC:
return OPVCC(31, 824, 0, 1)
case ASRAD:
return OPVCC(31, (413 << 1), 0, 0)
case ASRADCC:
return OPVCC(31, (413 << 1), 0, 1)
case AEXTSWSLI:
return OPVCC(31, 445, 0, 0)
case AEXTSWSLICC:
return OPVCC(31, 445, 0, 1)
case ASTSW:
return OPVCC(31, 725, 0, 0)
case ASUBC:
return OPVCC(8, 0, 0, 0)
case ATW:
return OPVCC(3, 0, 0, 0)
case ATD:
return OPVCC(2, 0, 0, 0)
/* Vector (VMX/Altivec) instructions */
/* ISA 2.03 enables these for PPC970. For POWERx processors, these */
/* are enabled starting at POWER6 (ISA 2.05). */
case AVSPLTB:
return OPVX(4, 524, 0, 0) /* vspltb - v2.03 */
case AVSPLTH:
return OPVX(4, 588, 0, 0) /* vsplth - v2.03 */
case AVSPLTW:
return OPVX(4, 652, 0, 0) /* vspltw - v2.03 */
case AVSPLTISB:
return OPVX(4, 780, 0, 0) /* vspltisb - v2.03 */
case AVSPLTISH:
return OPVX(4, 844, 0, 0) /* vspltish - v2.03 */
case AVSPLTISW:
return OPVX(4, 908, 0, 0) /* vspltisw - v2.03 */
/* End of vector instructions */
case AFTDIV:
return OPVCC(63, 128, 0, 0) /* ftdiv - v2.06 */
case AFTSQRT:
return OPVCC(63, 160, 0, 0) /* ftsqrt - v2.06 */
case AXOR:
return OPVCC(26, 0, 0, 0) /* XORIL */
case AXORIS:
return OPVCC(27, 0, 0, 0) /* XORIS */
}
c.ctxt.Diag("bad opcode i/r or i/r/r %v", a)
return 0
}
/*
* load o(a),d
*/
func (c *ctxt9) opload(a obj.As) uint32 {
switch a {
case AMOVD:
return OPVCC(58, 0, 0, 0) /* ld */
case AMOVDU:
return OPVCC(58, 0, 0, 1) /* ldu */
case AMOVWZ:
return OPVCC(32, 0, 0, 0) /* lwz */
case AMOVWZU:
return OPVCC(33, 0, 0, 0) /* lwzu */
case AMOVW:
return OPVCC(58, 0, 0, 0) | 1<<1 /* lwa */
case ALXV:
return OPDQ(61, 1, 0) /* lxv - ISA v3.0 */
case ALXVL:
return OPVXX1(31, 269, 0) /* lxvl - ISA v3.0 */
case ALXVLL:
return OPVXX1(31, 301, 0) /* lxvll - ISA v3.0 */
case ALXVX:
return OPVXX1(31, 268, 0) /* lxvx - ISA v3.0 */
/* no AMOVWU */
case AMOVB, AMOVBZ:
return OPVCC(34, 0, 0, 0)
/* load */
case AMOVBU, AMOVBZU:
return OPVCC(35, 0, 0, 0)
case AFMOVD:
return OPVCC(50, 0, 0, 0)
case AFMOVDU:
return OPVCC(51, 0, 0, 0)
case AFMOVS:
return OPVCC(48, 0, 0, 0)
case AFMOVSU:
return OPVCC(49, 0, 0, 0)
case AMOVH:
return OPVCC(42, 0, 0, 0)
case AMOVHU:
return OPVCC(43, 0, 0, 0)
case AMOVHZ:
return OPVCC(40, 0, 0, 0)
case AMOVHZU:
return OPVCC(41, 0, 0, 0)
case AMOVMW:
return OPVCC(46, 0, 0, 0) /* lmw */
}
c.ctxt.Diag("bad load opcode %v", a)
return 0
}
/*
* indexed load a(b),d
*/
func (c *ctxt9) oploadx(a obj.As) uint32 {
switch a {
case AMOVWZ:
return OPVCC(31, 23, 0, 0) /* lwzx */
case AMOVWZU:
return OPVCC(31, 55, 0, 0) /* lwzux */
case AMOVW:
return OPVCC(31, 341, 0, 0) /* lwax */
case AMOVWU:
return OPVCC(31, 373, 0, 0) /* lwaux */
case AMOVB, AMOVBZ:
return OPVCC(31, 87, 0, 0) /* lbzx */
case AMOVBU, AMOVBZU:
return OPVCC(31, 119, 0, 0) /* lbzux */
case AFMOVD:
return OPVCC(31, 599, 0, 0) /* lfdx */
case AFMOVDU:
return OPVCC(31, 631, 0, 0) /* lfdux */
case AFMOVS:
return OPVCC(31, 535, 0, 0) /* lfsx */
case AFMOVSU:
return OPVCC(31, 567, 0, 0) /* lfsux */
case AFMOVSX:
return OPVCC(31, 855, 0, 0) /* lfiwax - power6, isa 2.05 */
case AFMOVSZ:
return OPVCC(31, 887, 0, 0) /* lfiwzx - power7, isa 2.06 */
case AMOVH:
return OPVCC(31, 343, 0, 0) /* lhax */
case AMOVHU:
return OPVCC(31, 375, 0, 0) /* lhaux */
case AMOVHBR:
return OPVCC(31, 790, 0, 0) /* lhbrx */
case AMOVWBR:
return OPVCC(31, 534, 0, 0) /* lwbrx */
case AMOVDBR:
return OPVCC(31, 532, 0, 0) /* ldbrx */
case AMOVHZ:
return OPVCC(31, 279, 0, 0) /* lhzx */
case AMOVHZU:
return OPVCC(31, 311, 0, 0) /* lhzux */
case AECIWX:
return OPVCC(31, 310, 0, 0) /* eciwx */
case ALBAR:
return OPVCC(31, 52, 0, 0) /* lbarx */
case ALHAR:
return OPVCC(31, 116, 0, 0) /* lharx */
case ALWAR:
return OPVCC(31, 20, 0, 0) /* lwarx */
case ALDAR:
return OPVCC(31, 84, 0, 0) /* ldarx */
case ALSW:
return OPVCC(31, 533, 0, 0) /* lswx */
case AMOVD:
return OPVCC(31, 21, 0, 0) /* ldx */
case AMOVDU:
return OPVCC(31, 53, 0, 0) /* ldux */
case ALDMX:
return OPVCC(31, 309, 0, 0) /* ldmx */
/* Vector (VMX/Altivec) instructions */
case ALVEBX:
return OPVCC(31, 7, 0, 0) /* lvebx - v2.03 */
case ALVEHX:
return OPVCC(31, 39, 0, 0) /* lvehx - v2.03 */
case ALVEWX:
return OPVCC(31, 71, 0, 0) /* lvewx - v2.03 */
case ALVX:
return OPVCC(31, 103, 0, 0) /* lvx - v2.03 */
case ALVXL:
return OPVCC(31, 359, 0, 0) /* lvxl - v2.03 */
case ALVSL:
return OPVCC(31, 6, 0, 0) /* lvsl - v2.03 */
case ALVSR:
return OPVCC(31, 38, 0, 0) /* lvsr - v2.03 */
/* End of vector instructions */
/* Vector scalar (VSX) instructions */
case ALXVX:
return OPVXX1(31, 268, 0) /* lxvx - ISA v3.0 */
case ALXVD2X:
return OPVXX1(31, 844, 0) /* lxvd2x - v2.06 */
case ALXVW4X:
return OPVXX1(31, 780, 0) /* lxvw4x - v2.06 */
case ALXVH8X:
return OPVXX1(31, 812, 0) /* lxvh8x - v3.00 */
case ALXVB16X:
return OPVXX1(31, 876, 0) /* lxvb16x - v3.00 */
case ALXVDSX:
return OPVXX1(31, 332, 0) /* lxvdsx - v2.06 */
case ALXSDX:
return OPVXX1(31, 588, 0) /* lxsdx - v2.06 */
case ALXSIWAX:
return OPVXX1(31, 76, 0) /* lxsiwax - v2.07 */
case ALXSIWZX:
return OPVXX1(31, 12, 0) /* lxsiwzx - v2.07 */
}
c.ctxt.Diag("bad loadx opcode %v", a)
return 0
}
/*
* store s,o(d)
*/
func (c *ctxt9) opstore(a obj.As) uint32 {
switch a {
case AMOVB, AMOVBZ:
return OPVCC(38, 0, 0, 0) /* stb */
case AMOVBU, AMOVBZU:
return OPVCC(39, 0, 0, 0) /* stbu */
case AFMOVD:
return OPVCC(54, 0, 0, 0) /* stfd */
case AFMOVDU:
return OPVCC(55, 0, 0, 0) /* stfdu */
case AFMOVS:
return OPVCC(52, 0, 0, 0) /* stfs */
case AFMOVSU:
return OPVCC(53, 0, 0, 0) /* stfsu */
case AMOVHZ, AMOVH:
return OPVCC(44, 0, 0, 0) /* sth */
case AMOVHZU, AMOVHU:
return OPVCC(45, 0, 0, 0) /* sthu */
case AMOVMW:
return OPVCC(47, 0, 0, 0) /* stmw */
case ASTSW:
return OPVCC(31, 725, 0, 0) /* stswi */
case AMOVWZ, AMOVW:
return OPVCC(36, 0, 0, 0) /* stw */
case AMOVWZU, AMOVWU:
return OPVCC(37, 0, 0, 0) /* stwu */
case AMOVD:
return OPVCC(62, 0, 0, 0) /* std */
case AMOVDU:
return OPVCC(62, 0, 0, 1) /* stdu */
case ASTXV:
return OPDQ(61, 5, 0) /* stxv ISA 3.0 */
case ASTXVL:
return OPVXX1(31, 397, 0) /* stxvl ISA 3.0 */
case ASTXVLL:
return OPVXX1(31, 429, 0) /* stxvll ISA 3.0 */
case ASTXVX:
return OPVXX1(31, 396, 0) /* stxvx - ISA v3.0 */
}
c.ctxt.Diag("unknown store opcode %v", a)
return 0
}
/*
* indexed store s,a(b)
*/
func (c *ctxt9) opstorex(a obj.As) uint32 {
switch a {
case AMOVB, AMOVBZ:
return OPVCC(31, 215, 0, 0) /* stbx */
case AMOVBU, AMOVBZU:
return OPVCC(31, 247, 0, 0) /* stbux */
case AFMOVD:
return OPVCC(31, 727, 0, 0) /* stfdx */
case AFMOVDU:
return OPVCC(31, 759, 0, 0) /* stfdux */
case AFMOVS:
return OPVCC(31, 663, 0, 0) /* stfsx */
case AFMOVSU:
return OPVCC(31, 695, 0, 0) /* stfsux */
case AFMOVSX:
return OPVCC(31, 983, 0, 0) /* stfiwx */
case AMOVHZ, AMOVH:
return OPVCC(31, 407, 0, 0) /* sthx */
case AMOVHBR:
return OPVCC(31, 918, 0, 0) /* sthbrx */
case AMOVHZU, AMOVHU:
return OPVCC(31, 439, 0, 0) /* sthux */
case AMOVWZ, AMOVW:
return OPVCC(31, 151, 0, 0) /* stwx */
case AMOVWZU, AMOVWU:
return OPVCC(31, 183, 0, 0) /* stwux */
case ASTSW:
return OPVCC(31, 661, 0, 0) /* stswx */
case AMOVWBR:
return OPVCC(31, 662, 0, 0) /* stwbrx */
case AMOVDBR:
return OPVCC(31, 660, 0, 0) /* stdbrx */
case ASTBCCC:
return OPVCC(31, 694, 0, 1) /* stbcx. */
case ASTHCCC:
return OPVCC(31, 726, 0, 1) /* sthcx. */
case ASTWCCC:
return OPVCC(31, 150, 0, 1) /* stwcx. */
case ASTDCCC:
return OPVCC(31, 214, 0, 1) /* stwdx. */
case AECOWX:
return OPVCC(31, 438, 0, 0) /* ecowx */
case AMOVD:
return OPVCC(31, 149, 0, 0) /* stdx */
case AMOVDU:
return OPVCC(31, 181, 0, 0) /* stdux */
/* Vector (VMX/Altivec) instructions */
case ASTVEBX:
return OPVCC(31, 135, 0, 0) /* stvebx - v2.03 */
case ASTVEHX:
return OPVCC(31, 167, 0, 0) /* stvehx - v2.03 */
case ASTVEWX:
return OPVCC(31, 199, 0, 0) /* stvewx - v2.03 */
case ASTVX:
return OPVCC(31, 231, 0, 0) /* stvx - v2.03 */
case ASTVXL:
return OPVCC(31, 487, 0, 0) /* stvxl - v2.03 */
/* End of vector instructions */
/* Vector scalar (VSX) instructions */
case ASTXVX:
return OPVXX1(31, 396, 0) /* stxvx - v3.0 */
case ASTXVD2X:
return OPVXX1(31, 972, 0) /* stxvd2x - v2.06 */
case ASTXVW4X:
return OPVXX1(31, 908, 0) /* stxvw4x - v2.06 */
case ASTXVH8X:
return OPVXX1(31, 940, 0) /* stxvh8x - v3.0 */
case ASTXVB16X:
return OPVXX1(31, 1004, 0) /* stxvb16x - v3.0 */
case ASTXSDX:
return OPVXX1(31, 716, 0) /* stxsdx - v2.06 */
case ASTXSIWX:
return OPVXX1(31, 140, 0) /* stxsiwx - v2.07 */
/* End of vector scalar instructions */
}
c.ctxt.Diag("unknown storex opcode %v", a)
return 0
}
Zerion Mini Shell 1.0