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// 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"
"encoding/binary"
"fmt"
"log"
"sort"
)
// Instruction layout.
const (
FuncAlign = 8
)
const (
r0iszero = 1
)
type Optab struct {
as obj.As
a1 uint8
a2 uint8
a3 uint8
a4 uint8
type_ int8
size int8
param int16
}
var optab = []Optab{
{obj.ATEXT, C_LEXT, C_NONE, C_NONE, C_TEXTSIZE, 0, 0, 0},
{obj.ATEXT, C_LEXT, C_NONE, C_LCON, C_TEXTSIZE, 0, 0, 0},
{obj.ATEXT, C_ADDR, C_NONE, C_NONE, C_TEXTSIZE, 0, 0, 0},
{obj.ATEXT, C_ADDR, C_NONE, C_LCON, C_TEXTSIZE, 0, 0, 0},
/* move register */
{AMOVD, C_REG, C_NONE, C_NONE, C_REG, 1, 4, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_REG, 12, 4, 0},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_REG, 13, 4, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_REG, 12, 4, 0},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_REG, 13, 4, 0},
{AADD, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0},
{AADD, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
{AADD, C_ADDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
{AADD, C_ADDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
{AADD, C_UCON, C_REG, C_NONE, C_REG, 20, 4, 0},
{AADD, C_UCON, C_NONE, C_NONE, C_REG, 20, 4, 0},
{AADD, C_LCON, C_REG, C_NONE, C_REG, 22, 12, 0},
{AADD, C_LCON, C_NONE, C_NONE, C_REG, 22, 12, 0},
{AADDC, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0},
{AADDC, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
{AADDC, C_ADDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
{AADDC, C_ADDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
{AADDC, C_LCON, C_REG, C_NONE, C_REG, 22, 12, 0},
{AADDC, C_LCON, C_NONE, C_NONE, C_REG, 22, 12, 0},
{AAND, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0}, /* logical, no literal */
{AAND, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{AANDCC, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
{AANDCC, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{AANDCC, C_ANDCON, C_NONE, C_NONE, C_REG, 58, 4, 0},
{AANDCC, C_ANDCON, C_REG, C_NONE, C_REG, 58, 4, 0},
{AANDCC, C_UCON, C_NONE, C_NONE, C_REG, 59, 4, 0},
{AANDCC, C_UCON, C_REG, C_NONE, C_REG, 59, 4, 0},
{AANDCC, C_LCON, C_NONE, C_NONE, C_REG, 23, 12, 0},
{AANDCC, C_LCON, C_REG, C_NONE, C_REG, 23, 12, 0},
{AMULLW, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0},
{AMULLW, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
{AMULLW, C_ADDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
{AMULLW, C_ADDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
{AMULLW, C_ANDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
{AMULLW, C_ANDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
{AMULLW, C_LCON, C_REG, C_NONE, C_REG, 22, 12, 0},
{AMULLW, C_LCON, C_NONE, C_NONE, C_REG, 22, 12, 0},
{ASUBC, C_REG, C_REG, C_NONE, C_REG, 10, 4, 0},
{ASUBC, C_REG, C_NONE, C_NONE, C_REG, 10, 4, 0},
{ASUBC, C_REG, C_NONE, C_ADDCON, C_REG, 27, 4, 0},
{ASUBC, C_REG, C_NONE, C_LCON, C_REG, 28, 12, 0},
{AOR, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0}, /* logical, literal not cc (or/xor) */
{AOR, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{AOR, C_ANDCON, C_NONE, C_NONE, C_REG, 58, 4, 0},
{AOR, C_ANDCON, C_REG, C_NONE, C_REG, 58, 4, 0},
{AOR, C_UCON, C_NONE, C_NONE, C_REG, 59, 4, 0},
{AOR, C_UCON, C_REG, C_NONE, C_REG, 59, 4, 0},
{AOR, C_LCON, C_NONE, C_NONE, C_REG, 23, 12, 0},
{AOR, C_LCON, C_REG, C_NONE, C_REG, 23, 12, 0},
{ADIVW, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0}, /* op r1[,r2],r3 */
{ADIVW, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
{ASUB, C_REG, C_REG, C_NONE, C_REG, 10, 4, 0}, /* op r2[,r1],r3 */
{ASUB, C_REG, C_NONE, C_NONE, C_REG, 10, 4, 0},
{ASLW, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{ASLW, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
{ASLD, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{ASLD, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
{ASLD, C_SCON, C_REG, C_NONE, C_REG, 25, 4, 0},
{ASLD, C_SCON, C_NONE, C_NONE, C_REG, 25, 4, 0},
{ASLW, C_SCON, C_REG, C_NONE, C_REG, 57, 4, 0},
{ASLW, C_SCON, C_NONE, C_NONE, C_REG, 57, 4, 0},
{ASRAW, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{ASRAW, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
{ASRAW, C_SCON, C_REG, C_NONE, C_REG, 56, 4, 0},
{ASRAW, C_SCON, C_NONE, C_NONE, C_REG, 56, 4, 0},
{ASRAD, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
{ASRAD, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
{ASRAD, C_SCON, C_REG, C_NONE, C_REG, 56, 4, 0},
{ASRAD, C_SCON, C_NONE, C_NONE, C_REG, 56, 4, 0},
{ARLWMI, C_SCON, C_REG, C_LCON, C_REG, 62, 4, 0},
{ARLWMI, C_REG, C_REG, C_LCON, C_REG, 63, 4, 0},
{ARLDMI, C_SCON, C_REG, C_LCON, C_REG, 30, 4, 0},
{ARLDC, C_SCON, C_REG, C_LCON, C_REG, 29, 4, 0},
{ARLDCL, C_SCON, C_REG, C_LCON, C_REG, 29, 4, 0},
{ARLDCL, C_REG, C_REG, C_LCON, C_REG, 14, 4, 0},
{ARLDCL, C_REG, C_NONE, C_LCON, C_REG, 14, 4, 0},
{AFADD, C_FREG, C_NONE, C_NONE, C_FREG, 2, 4, 0},
{AFADD, C_FREG, C_REG, C_NONE, C_FREG, 2, 4, 0},
{AFABS, C_FREG, C_NONE, C_NONE, C_FREG, 33, 4, 0},
{AFABS, C_NONE, C_NONE, C_NONE, C_FREG, 33, 4, 0},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_FREG, 33, 4, 0},
{AFMADD, C_FREG, C_REG, C_FREG, C_FREG, 34, 4, 0},
{AFMUL, C_FREG, C_NONE, C_NONE, C_FREG, 32, 4, 0},
{AFMUL, C_FREG, C_REG, C_NONE, C_FREG, 32, 4, 0},
/* store, short offset */
{AMOVD, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVW, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVWZ, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVBZ, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVBZU, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVB, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVBU, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
{AMOVD, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
{AMOVW, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
{AMOVB, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
{AMOVD, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
{AMOVW, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
{AMOVB, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
{AMOVD, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AMOVW, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AMOVBZU, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AMOVB, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AMOVBU, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
/* load, short offset */
{AMOVD, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVW, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVWZ, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVBZ, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVBZU, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVB, C_ZOREG, C_REG, C_NONE, C_REG, 9, 8, REGZERO},
{AMOVBU, C_ZOREG, C_REG, C_NONE, C_REG, 9, 8, REGZERO},
{AMOVD, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
{AMOVW, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
{AMOVWZ, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
{AMOVBZ, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
{AMOVB, C_SEXT, C_NONE, C_NONE, C_REG, 9, 8, REGSB},
{AMOVD, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
{AMOVW, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
{AMOVWZ, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
{AMOVBZ, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
{AMOVB, C_SAUTO, C_NONE, C_NONE, C_REG, 9, 8, REGSP},
{AMOVD, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVW, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVWZ, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVBZ, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVBZU, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
{AMOVB, C_SOREG, C_NONE, C_NONE, C_REG, 9, 8, REGZERO},
{AMOVBU, C_SOREG, C_NONE, C_NONE, C_REG, 9, 8, REGZERO},
/* store, long offset */
{AMOVD, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
{AMOVW, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
{AMOVB, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
{AMOVD, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
{AMOVW, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
{AMOVB, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
{AMOVD, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
{AMOVW, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
{AMOVB, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
{AMOVD, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
{AMOVBZ, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
/* load, long offset */
{AMOVD, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
{AMOVW, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
{AMOVWZ, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
{AMOVBZ, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
{AMOVB, C_LEXT, C_NONE, C_NONE, C_REG, 37, 12, REGSB},
{AMOVD, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
{AMOVW, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
{AMOVWZ, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
{AMOVBZ, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
{AMOVB, C_LAUTO, C_NONE, C_NONE, C_REG, 37, 12, REGSP},
{AMOVD, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
{AMOVW, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
{AMOVWZ, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
{AMOVBZ, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
{AMOVB, C_LOREG, C_NONE, C_NONE, C_REG, 37, 12, REGZERO},
{AMOVD, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
{AMOVW, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
{AMOVWZ, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
{AMOVBZ, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
{AMOVB, C_ADDR, C_NONE, C_NONE, C_REG, 76, 12, 0},
{AMOVD, C_TLS_LE, C_NONE, C_NONE, C_REG, 79, 4, 0},
{AMOVD, C_TLS_IE, C_NONE, C_NONE, C_REG, 80, 8, 0},
{AMOVD, C_GOTADDR, C_NONE, C_NONE, C_REG, 81, 8, 0},
/* load constant */
{AMOVD, C_SECON, C_NONE, C_NONE, C_REG, 3, 4, REGSB},
{AMOVD, C_SACON, C_NONE, C_NONE, C_REG, 3, 4, REGSP},
{AMOVD, C_LECON, C_NONE, C_NONE, C_REG, 26, 8, REGSB},
{AMOVD, C_LACON, C_NONE, C_NONE, C_REG, 26, 8, REGSP},
{AMOVD, C_ADDCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
{AMOVW, C_SECON, C_NONE, C_NONE, C_REG, 3, 4, REGSB}, /* TO DO: check */
{AMOVW, C_SACON, C_NONE, C_NONE, C_REG, 3, 4, REGSP},
{AMOVW, C_LECON, C_NONE, C_NONE, C_REG, 26, 8, REGSB},
{AMOVW, C_LACON, C_NONE, C_NONE, C_REG, 26, 8, REGSP},
{AMOVW, C_ADDCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
{AMOVWZ, C_SECON, C_NONE, C_NONE, C_REG, 3, 4, REGSB}, /* TO DO: check */
{AMOVWZ, C_SACON, C_NONE, C_NONE, C_REG, 3, 4, REGSP},
{AMOVWZ, C_LECON, C_NONE, C_NONE, C_REG, 26, 8, REGSB},
{AMOVWZ, C_LACON, C_NONE, C_NONE, C_REG, 26, 8, REGSP},
{AMOVWZ, C_ADDCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
/* load unsigned/long constants (TO DO: check) */
{AMOVD, C_UCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
{AMOVD, C_LCON, C_NONE, C_NONE, C_REG, 19, 8, 0},
{AMOVW, C_UCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
{AMOVW, C_LCON, C_NONE, C_NONE, C_REG, 19, 8, 0},
{AMOVWZ, C_UCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
{AMOVWZ, C_LCON, C_NONE, C_NONE, C_REG, 19, 8, 0},
{AMOVHBR, C_ZOREG, C_REG, C_NONE, C_REG, 45, 4, 0},
{AMOVHBR, C_ZOREG, C_NONE, C_NONE, C_REG, 45, 4, 0},
{AMOVHBR, C_REG, C_REG, C_NONE, C_ZOREG, 44, 4, 0},
{AMOVHBR, C_REG, C_NONE, C_NONE, C_ZOREG, 44, 4, 0},
{ASYSCALL, C_NONE, C_NONE, C_NONE, C_NONE, 5, 4, 0},
{ASYSCALL, C_REG, C_NONE, C_NONE, C_NONE, 77, 12, 0},
{ASYSCALL, C_SCON, C_NONE, C_NONE, C_NONE, 77, 12, 0},
{ABEQ, C_NONE, C_NONE, C_NONE, C_SBRA, 16, 4, 0},
{ABEQ, C_CREG, C_NONE, C_NONE, C_SBRA, 16, 4, 0},
{ABR, C_NONE, C_NONE, C_NONE, C_LBRA, 11, 4, 0},
{ABR, C_NONE, C_NONE, C_NONE, C_LBRAPIC, 11, 8, 0},
{ABC, C_SCON, C_REG, C_NONE, C_SBRA, 16, 4, 0},
{ABC, C_SCON, C_REG, C_NONE, C_LBRA, 17, 4, 0},
{ABR, C_NONE, C_NONE, C_NONE, C_LR, 18, 4, 0},
{ABR, C_NONE, C_NONE, C_NONE, C_CTR, 18, 4, 0},
{ABR, C_REG, C_NONE, C_NONE, C_CTR, 18, 4, 0},
{ABR, C_NONE, C_NONE, C_NONE, C_ZOREG, 15, 8, 0},
{ABC, C_NONE, C_REG, C_NONE, C_LR, 18, 4, 0},
{ABC, C_NONE, C_REG, C_NONE, C_CTR, 18, 4, 0},
{ABC, C_SCON, C_REG, C_NONE, C_LR, 18, 4, 0},
{ABC, C_SCON, C_REG, C_NONE, C_CTR, 18, 4, 0},
{ABC, C_NONE, C_NONE, C_NONE, C_ZOREG, 15, 8, 0},
{AFMOVD, C_SEXT, C_NONE, C_NONE, C_FREG, 8, 4, REGSB},
{AFMOVD, C_SAUTO, C_NONE, C_NONE, C_FREG, 8, 4, REGSP},
{AFMOVD, C_SOREG, C_NONE, C_NONE, C_FREG, 8, 4, REGZERO},
{AFMOVD, C_LEXT, C_NONE, C_NONE, C_FREG, 36, 8, REGSB},
{AFMOVD, C_LAUTO, C_NONE, C_NONE, C_FREG, 36, 8, REGSP},
{AFMOVD, C_LOREG, C_NONE, C_NONE, C_FREG, 36, 8, REGZERO},
{AFMOVD, C_ADDR, C_NONE, C_NONE, C_FREG, 75, 8, 0},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
{AFMOVD, C_FREG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
{ASYNC, C_NONE, C_NONE, C_NONE, C_NONE, 46, 4, 0},
{AWORD, C_LCON, C_NONE, C_NONE, C_NONE, 40, 4, 0},
{ADWORD, C_LCON, C_NONE, C_NONE, C_NONE, 31, 8, 0},
{ADWORD, C_DCON, C_NONE, C_NONE, C_NONE, 31, 8, 0},
{AADDME, C_REG, C_NONE, C_NONE, C_REG, 47, 4, 0},
{AEXTSB, C_REG, C_NONE, C_NONE, C_REG, 48, 4, 0},
{AEXTSB, C_NONE, C_NONE, C_NONE, C_REG, 48, 4, 0},
{ANEG, C_REG, C_NONE, C_NONE, C_REG, 47, 4, 0},
{ANEG, C_NONE, C_NONE, C_NONE, C_REG, 47, 4, 0},
{AREM, C_REG, C_NONE, C_NONE, C_REG, 50, 12, 0},
{AREM, C_REG, C_REG, C_NONE, C_REG, 50, 12, 0},
{AREMU, C_REG, C_NONE, C_NONE, C_REG, 50, 16, 0},
{AREMU, C_REG, C_REG, C_NONE, C_REG, 50, 16, 0},
{AREMD, C_REG, C_NONE, C_NONE, C_REG, 51, 12, 0},
{AREMD, C_REG, C_REG, C_NONE, C_REG, 51, 12, 0},
{AREMDU, C_REG, C_NONE, C_NONE, C_REG, 51, 12, 0},
{AREMDU, C_REG, C_REG, C_NONE, C_REG, 51, 12, 0},
{AMTFSB0, C_SCON, C_NONE, C_NONE, C_NONE, 52, 4, 0},
{AMOVFL, C_FPSCR, C_NONE, C_NONE, C_FREG, 53, 4, 0},
{AMOVFL, C_FREG, C_NONE, C_NONE, C_FPSCR, 64, 4, 0},
{AMOVFL, C_FREG, C_NONE, C_LCON, C_FPSCR, 64, 4, 0},
{AMOVFL, C_LCON, C_NONE, C_NONE, C_FPSCR, 65, 4, 0},
{AMOVD, C_MSR, C_NONE, C_NONE, C_REG, 54, 4, 0}, /* mfmsr */
{AMOVD, C_REG, C_NONE, C_NONE, C_MSR, 54, 4, 0}, /* mtmsrd */
{AMOVWZ, C_REG, C_NONE, C_NONE, C_MSR, 54, 4, 0}, /* mtmsr */
/* 64-bit special registers */
{AMOVD, C_REG, C_NONE, C_NONE, C_SPR, 66, 4, 0},
{AMOVD, C_REG, C_NONE, C_NONE, C_LR, 66, 4, 0},
{AMOVD, C_REG, C_NONE, C_NONE, C_CTR, 66, 4, 0},
{AMOVD, C_REG, C_NONE, C_NONE, C_XER, 66, 4, 0},
{AMOVD, C_SPR, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVD, C_LR, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVD, C_CTR, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVD, C_XER, C_NONE, C_NONE, C_REG, 66, 4, 0},
/* 32-bit special registers (gloss over sign-extension or not?) */
{AMOVW, C_REG, C_NONE, C_NONE, C_SPR, 66, 4, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_CTR, 66, 4, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_XER, 66, 4, 0},
{AMOVW, C_SPR, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVW, C_XER, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_SPR, 66, 4, 0},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_CTR, 66, 4, 0},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_XER, 66, 4, 0},
{AMOVWZ, C_SPR, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVWZ, C_XER, C_NONE, C_NONE, C_REG, 66, 4, 0},
{AMOVFL, C_FPSCR, C_NONE, C_NONE, C_CREG, 73, 4, 0},
{AMOVFL, C_CREG, C_NONE, C_NONE, C_CREG, 67, 4, 0},
{AMOVW, C_CREG, C_NONE, C_NONE, C_REG, 68, 4, 0},
{AMOVWZ, C_CREG, C_NONE, C_NONE, C_REG, 68, 4, 0},
{AMOVFL, C_REG, C_NONE, C_LCON, C_CREG, 69, 4, 0},
{AMOVFL, C_REG, C_NONE, C_NONE, C_CREG, 69, 4, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_CREG, 69, 4, 0},
{AMOVWZ, C_REG, C_NONE, C_NONE, C_CREG, 69, 4, 0},
{ACMP, C_REG, C_NONE, C_NONE, C_REG, 70, 4, 0},
{ACMP, C_REG, C_REG, C_NONE, C_REG, 70, 4, 0},
{ACMP, C_REG, C_NONE, C_NONE, C_ADDCON, 71, 4, 0},
{ACMP, C_REG, C_REG, C_NONE, C_ADDCON, 71, 4, 0},
{ACMPU, C_REG, C_NONE, C_NONE, C_REG, 70, 4, 0},
{ACMPU, C_REG, C_REG, C_NONE, C_REG, 70, 4, 0},
{ACMPU, C_REG, C_NONE, C_NONE, C_ANDCON, 71, 4, 0},
{ACMPU, C_REG, C_REG, C_NONE, C_ANDCON, 71, 4, 0},
{AFCMPO, C_FREG, C_NONE, C_NONE, C_FREG, 70, 4, 0},
{AFCMPO, C_FREG, C_REG, C_NONE, C_FREG, 70, 4, 0},
{ATW, C_LCON, C_REG, C_NONE, C_REG, 60, 4, 0},
{ATW, C_LCON, C_REG, C_NONE, C_ADDCON, 61, 4, 0},
{ADCBF, C_ZOREG, C_NONE, C_NONE, C_NONE, 43, 4, 0},
{ADCBF, C_ZOREG, C_REG, C_NONE, C_NONE, 43, 4, 0},
{AECOWX, C_REG, C_REG, C_NONE, C_ZOREG, 44, 4, 0},
{AECIWX, C_ZOREG, C_REG, C_NONE, C_REG, 45, 4, 0},
{AECOWX, C_REG, C_NONE, C_NONE, C_ZOREG, 44, 4, 0},
{AECIWX, C_ZOREG, C_NONE, C_NONE, C_REG, 45, 4, 0},
{AEIEIO, C_NONE, C_NONE, C_NONE, C_NONE, 46, 4, 0},
{ATLBIE, C_REG, C_NONE, C_NONE, C_NONE, 49, 4, 0},
{ATLBIE, C_SCON, C_NONE, C_NONE, C_REG, 49, 4, 0},
{ASLBMFEE, C_REG, C_NONE, C_NONE, C_REG, 55, 4, 0},
{ASLBMTE, C_REG, C_NONE, C_NONE, C_REG, 55, 4, 0},
{ASTSW, C_REG, C_NONE, C_NONE, C_ZOREG, 44, 4, 0},
{ASTSW, C_REG, C_NONE, C_LCON, C_ZOREG, 41, 4, 0},
{ALSW, C_ZOREG, C_NONE, C_NONE, C_REG, 45, 4, 0},
{ALSW, C_ZOREG, C_NONE, C_LCON, C_REG, 42, 4, 0},
{obj.AUNDEF, C_NONE, C_NONE, C_NONE, C_NONE, 78, 4, 0},
{obj.AUSEFIELD, C_ADDR, C_NONE, C_NONE, C_NONE, 0, 0, 0},
{obj.APCDATA, C_LCON, C_NONE, C_NONE, C_LCON, 0, 0, 0},
{obj.AFUNCDATA, C_SCON, C_NONE, C_NONE, C_ADDR, 0, 0, 0},
{obj.ANOP, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0},
{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, // same as ABR/ABL
{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, // same as ABR/ABL
{obj.AXXX, C_NONE, C_NONE, C_NONE, C_NONE, 0, 4, 0},
}
var oprange [ALAST & obj.AMask][]Optab
var xcmp [C_NCLASS][C_NCLASS]bool
func span9(ctxt *obj.Link, cursym *obj.LSym) {
p := cursym.Text
if p == nil || p.Link == nil { // handle external functions and ELF section symbols
return
}
ctxt.Cursym = cursym
ctxt.Autosize = int32(p.To.Offset)
if oprange[AANDN&obj.AMask] == nil {
buildop(ctxt)
}
c := int64(0)
p.Pc = c
var m int
var o *Optab
for p = p.Link; p != nil; p = p.Link {
ctxt.Curp = p
p.Pc = c
o = oplook(ctxt, p)
m = int(o.size)
if m == 0 {
if p.As != obj.ANOP && p.As != obj.AFUNCDATA && p.As != obj.APCDATA && p.As != obj.AUSEFIELD {
ctxt.Diag("zero-width instruction\n%v", p)
}
continue
}
c += int64(m)
}
cursym.Size = c
/*
* 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
for bflag != 0 {
if ctxt.Debugvlog != 0 {
fmt.Fprintf(ctxt.Bso, "%5.2f span1\n", obj.Cputime())
}
bflag = 0
c = 0
for p = cursym.Text.Link; p != nil; p = p.Link {
p.Pc = c
o = oplook(ctxt, p)
// very large conditional branches
if (o.type_ == 16 || o.type_ == 17) && p.Pcond != nil {
otxt = p.Pcond.Pc - c
if otxt < -(1<<15)+10 || otxt >= (1<<15)-10 {
q = ctxt.NewProg()
q.Link = p.Link
p.Link = q
q.As = ABR
q.To.Type = obj.TYPE_BRANCH
q.Pcond = p.Pcond
p.Pcond = q
q = ctxt.NewProg()
q.Link = p.Link
p.Link = q
q.As = ABR
q.To.Type = obj.TYPE_BRANCH
q.Pcond = q.Link.Link
//addnop(p->link);
//addnop(p);
bflag = 1
}
}
m = int(o.size)
if m == 0 {
if p.As != obj.ANOP && p.As != obj.AFUNCDATA && p.As != obj.APCDATA && p.As != obj.AUSEFIELD {
ctxt.Diag("zero-width instruction\n%v", p)
}
continue
}
c += int64(m)
}
cursym.Size = c
}
c += -c & (FuncAlign - 1)
cursym.Size = c
/*
* lay out the code, emitting code and data relocations.
*/
cursym.Grow(cursym.Size)
bp := cursym.P
var i int32
var out [6]uint32
for p := cursym.Text.Link; p != nil; p = p.Link {
ctxt.Pc = p.Pc
ctxt.Curp = p
o = oplook(ctxt, 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(ctxt, p, o, out[:])
for i = 0; i < int32(o.size/4); i++ {
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 aclass(ctxt *obj.Link, a *obj.Addr) int {
switch a.Type {
case obj.TYPE_NONE:
return C_NONE
case obj.TYPE_REG:
if REG_R0 <= a.Reg && a.Reg <= REG_R31 {
return C_REG
}
if REG_F0 <= a.Reg && a.Reg <= REG_F31 {
return C_FREG
}
if REG_CR0 <= a.Reg && a.Reg <= REG_CR7 || a.Reg == REG_CR {
return C_CREG
}
if REG_SPR0 <= a.Reg && a.Reg <= REG_SPR0+1023 {
switch a.Reg {
case REG_LR:
return C_LR
case REG_XER:
return C_XER
case REG_CTR:
return C_CTR
}
return C_SPR
}
if REG_DCR0 <= a.Reg && a.Reg <= REG_DCR0+1023 {
return C_SPR
}
if a.Reg == REG_FPSCR {
return C_FPSCR
}
if a.Reg == REG_MSR {
return C_MSR
}
return C_GOK
case obj.TYPE_MEM:
switch a.Name {
case obj.NAME_EXTERN,
obj.NAME_STATIC:
if a.Sym == nil {
break
}
ctxt.Instoffset = a.Offset
if a.Sym != nil { // use relocation
if a.Sym.Type == obj.STLSBSS {
if ctxt.Flag_shared {
return C_TLS_IE
} else {
return C_TLS_LE
}
}
return C_ADDR
}
return C_LEXT
case obj.NAME_GOTREF:
return C_GOTADDR
case obj.NAME_AUTO:
ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset
if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG {
return C_SAUTO
}
return C_LAUTO
case obj.NAME_PARAM:
ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset + ctxt.FixedFrameSize()
if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG {
return C_SAUTO
}
return C_LAUTO
case obj.NAME_NONE:
ctxt.Instoffset = a.Offset
if ctxt.Instoffset == 0 {
return C_ZOREG
}
if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG {
return C_SOREG
}
return C_LOREG
}
return C_GOK
case obj.TYPE_TEXTSIZE:
return C_TEXTSIZE
case obj.TYPE_CONST,
obj.TYPE_ADDR:
switch a.Name {
case obj.NAME_NONE:
ctxt.Instoffset = a.Offset
if a.Reg != 0 {
if -BIG <= ctxt.Instoffset && ctxt.Instoffset <= BIG {
return C_SACON
}
if isint32(ctxt.Instoffset) {
return C_LACON
}
return C_DACON
}
goto consize
case obj.NAME_EXTERN,
obj.NAME_STATIC:
s := a.Sym
if s == nil {
break
}
if s.Type == obj.SCONST {
ctxt.Instoffset = a.Offset
goto consize
}
ctxt.Instoffset = a.Offset
/* not sure why this barfs */
return C_LCON
case obj.NAME_AUTO:
ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset
if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG {
return C_SACON
}
return C_LACON
case obj.NAME_PARAM:
ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset + ctxt.FixedFrameSize()
if ctxt.Instoffset >= -BIG && ctxt.Instoffset < BIG {
return C_SACON
}
return C_LACON
}
return C_GOK
consize:
if ctxt.Instoffset >= 0 {
if ctxt.Instoffset == 0 {
return C_ZCON
}
if ctxt.Instoffset <= 0x7fff {
return C_SCON
}
if ctxt.Instoffset <= 0xffff {
return C_ANDCON
}
if ctxt.Instoffset&0xffff == 0 && isuint32(uint64(ctxt.Instoffset)) { /* && (instoffset & (1<<31)) == 0) */
return C_UCON
}
if isint32(ctxt.Instoffset) || isuint32(uint64(ctxt.Instoffset)) {
return C_LCON
}
return C_DCON
}
if ctxt.Instoffset >= -0x8000 {
return C_ADDCON
}
if ctxt.Instoffset&0xffff == 0 && isint32(ctxt.Instoffset) {
return C_UCON
}
if isint32(ctxt.Instoffset) {
return C_LCON
}
return C_DCON
case obj.TYPE_BRANCH:
if a.Sym != nil && ctxt.Flag_dynlink {
return C_LBRAPIC
}
return C_SBRA
}
return C_GOK
}
func prasm(p *obj.Prog) {
fmt.Printf("%v\n", p)
}
func oplook(ctxt *obj.Link, p *obj.Prog) *Optab {
a1 := int(p.Optab)
if a1 != 0 {
return &optab[a1-1]
}
a1 = int(p.From.Class)
if a1 == 0 {
a1 = aclass(ctxt, &p.From) + 1
p.From.Class = int8(a1)
}
a1--
a3 := C_NONE + 1
if p.From3 != nil {
a3 = int(p.From3.Class)
if a3 == 0 {
a3 = aclass(ctxt, p.From3) + 1
p.From3.Class = int8(a3)
}
}
a3--
a4 := int(p.To.Class)
if a4 == 0 {
a4 = aclass(ctxt, &p.To) + 1
p.To.Class = int8(a4)
}
a4--
a2 := C_NONE
if p.Reg != 0 {
a2 = C_REG
}
//print("oplook %v %d %d %d %d\n", p, a1, a2, a3, a4);
ops := oprange[p.As&obj.AMask]
c1 := &xcmp[a1]
c3 := &xcmp[a3]
c4 := &xcmp[a4]
for i := range ops {
op := &ops[i]
if int(op.a2) == a2 && c1[op.a1] && c3[op.a3] && c4[op.a4] {
p.Optab = uint16(cap(optab) - cap(ops) + i + 1)
return op
}
}
ctxt.Diag("illegal combination %v %v %v %v %v", obj.Aconv(p.As), DRconv(a1), DRconv(a2), DRconv(a3), DRconv(a4))
prasm(p)
if ops == nil {
ops = optab
}
return &ops[0]
}
func cmp(a int, b int) bool {
if a == b {
return true
}
switch a {
case C_LCON:
if b == C_ZCON || b == C_SCON || b == C_UCON || b == C_ADDCON || b == C_ANDCON {
return true
}
case C_ADDCON:
if b == C_ZCON || b == C_SCON {
return true
}
case C_ANDCON:
if b == C_ZCON || b == C_SCON {
return true
}
case C_SPR:
if b == C_LR || b == C_XER || b == C_CTR {
return true
}
case C_UCON:
if b == C_ZCON {
return true
}
case C_SCON:
if b == C_ZCON {
return true
}
case C_LACON:
if b == C_SACON {
return true
}
case C_LBRA:
if b == C_SBRA {
return true
}
case C_LEXT:
if b == C_SEXT {
return true
}
case C_LAUTO:
if b == C_SAUTO {
return true
}
case C_REG:
if b == C_ZCON {
return r0iszero != 0 /*TypeKind(100016)*/
}
case C_LOREG:
if b == C_ZOREG || b == C_SOREG {
return true
}
case C_SOREG:
if b == C_ZOREG {
return true
}
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]
}
func (x ocmp) Less(i, j int) bool {
p1 := &x[i]
p2 := &x[j]
n := int(p1.as) - int(p2.as)
if n != 0 {
return n < 0
}
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
}
return false
}
func opset(a, b0 obj.As) {
oprange[a&obj.AMask] = oprange[b0]
}
func buildop(ctxt *obj.Link) {
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", obj.Aconv(r))
log.Fatalf("bad code")
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(ASTBCCC, r0)
opset(ASTDCCC, r0)
case AREM: /* macro */
opset(AREMCC, r0)
opset(AREMV, r0)
opset(AREMVCC, r0)
case AREMU:
opset(AREMU, r0)
opset(AREMUCC, r0)
opset(AREMUV, r0)
opset(AREMUVCC, r0)
case AREMD:
opset(AREMDCC, r0)
opset(AREMDV, r0)
opset(AREMDVCC, r0)
case AREMDU:
opset(AREMDU, r0)
opset(AREMDUCC, r0)
opset(AREMDUV, r0)
opset(AREMDUVCC, 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(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(ACRAND, r0)
opset(ACRANDN, r0)
opset(ACREQV, r0)
opset(ACRNAND, r0)
opset(ACRNOR, r0)
opset(ACROR, r0)
opset(ACRORN, r0)
opset(ACRXOR, r0)
opset(AMULHD, r0)
opset(AMULHDCC, r0)
opset(AMULHDU, r0)
opset(AMULHDUCC, r0)
opset(AMULLD, r0)
opset(AMULLDCC, r0)
opset(AMULLDVCC, r0)
opset(AMULLDV, r0)
opset(ADIVD, r0)
opset(ADIVDCC, r0)
opset(ADIVDVCC, r0)
opset(ADIVDV, r0)
opset(ADIVDU, r0)
opset(ADIVDUCC, r0)
opset(ADIVDUVCC, r0)
opset(ADIVDUCC, 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 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 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(AFRES, r0)
opset(AFRESCC, 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(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,Ra; oris/xoris $uimm,Rs,Ra */
opset(AXOR, r0)
case ASLW:
opset(ASLWCC, r0)
opset(ASRW, r0)
opset(ASRWCC, r0)
case ASLD:
opset(ASLDCC, r0)
opset(ASRD, r0)
opset(ASRDCC, r0)
case ASRAW: /* sraw Rb,Rs,Ra; srawi sh,Rs,Ra */
opset(ASRAWCC, 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)
case ARLDC:
opset(ARLDCCC, r0)
case ARLDCL:
opset(ARLDCR, r0)
opset(ARLDCLCC, r0)
opset(ARLDCRCC, r0)
case AFMOVD:
opset(AFMOVDCC, r0)
opset(AFMOVDU, r0)
opset(AFMOVS, r0)
opset(AFMOVSU, r0)
case AECIWX:
opset(ALBAR, r0)
opset(ALWAR, r0)
opset(ALDAR, 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)
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 AADD,
AANDCC, /* and. Rb,Rs,Ra; andi. $uimm,Rs,Ra; andis. $uimm,Rs,Ra */
ALSW,
AMOVW,
/* load/store/move word with sign extension; special 32-bit move; move 32-bit literals */
AMOVWZ, /* load/store/move word with zero extension; move 32-bit literals */
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,
AMULLW,
/* op $s[,r2],r3; op r1[,r2],r3; no cc/v */
ASUBC, /* op r1,$s,r3; op r1[,r2],r3 */
ASTSW,
ASLBMTE,
AWORD,
ADWORD,
obj.ANOP,
obj.ATEXT,
obj.AUNDEF,
obj.AUSEFIELD,
obj.AFUNCDATA,
obj.APCDATA,
obj.ADUFFZERO,
obj.ADUFFCOPY:
break
}
}
}
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)
}
func OP(o uint32, xo uint32) uint32 {
return OPVCC(o, xo, 0, 0)
}
/* 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
}
func AOP_IRR(op uint32, d uint32, a uint32, simm uint32) uint32 {
return op | (d&31)<<21 | (a&31)<<16 | simm&0xFFFF
}
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
}
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_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_MFMSR = 31<<26 | 83<<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_MTMSR = 31<<26 | 146<<1 | 0<<10 | 0
OP_MTMSRD = 31<<26 | 178<<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_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
)
func oclass(a *obj.Addr) int {
return int(a.Class) - 1
}
const (
D_FORM = iota
DS_FORM
)
// opform returns the form (D_FORM or DS_FORM) of an instruction. Used to decide on
// which relocation to use with a load or store and only supports the needed
// instructions.
func opform(ctxt *obj.Link, insn uint32) int {
switch insn {
default:
ctxt.Diag("bad insn in loadform: %x", insn)
case OPVCC(58, 0, 0, 0), // ld
OPVCC(58, 0, 0, 0) | 1<<1, // lwa
OPVCC(62, 0, 0, 0): // std
return DS_FORM
case OP_ADDI, // add
OPVCC(32, 0, 0, 0), // lwz
OPVCC(42, 0, 0, 0), // lha
OPVCC(40, 0, 0, 0), // lhz
OPVCC(34, 0, 0, 0), // lbz
OPVCC(50, 0, 0, 0), // lfd
OPVCC(48, 0, 0, 0), // lfs
OPVCC(36, 0, 0, 0), // stw
OPVCC(44, 0, 0, 0), // sth
OPVCC(38, 0, 0, 0), // stb
OPVCC(54, 0, 0, 0), // stfd
OPVCC(52, 0, 0, 0): // stfs
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 symbolAccess(ctxt *obj.Link, s *obj.LSym, d int64, reg int16, op uint32) (o1, o2 uint32) {
var base uint32
form := opform(ctxt, op)
if ctxt.Flag_shared {
base = REG_R2
} else {
base = REG_R0
}
o1 = AOP_IRR(OP_ADDIS, REGTMP, base, 0)
o2 = AOP_IRR(op, uint32(reg), REGTMP, 0)
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 8
rel.Sym = s
rel.Add = d
if ctxt.Flag_shared {
switch form {
case D_FORM:
rel.Type = obj.R_ADDRPOWER_TOCREL
case DS_FORM:
rel.Type = obj.R_ADDRPOWER_TOCREL_DS
}
} else {
switch form {
case D_FORM:
rel.Type = obj.R_ADDRPOWER
case DS_FORM:
rel.Type = obj.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 maskgen(ctxt *obj.Link, p *obj.Prog, m []byte, v uint32) {
if !getmask(m, v) {
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 maskgen64(ctxt *obj.Link, p *obj.Prog, m []byte, v uint64) {
if !getmask64(m, v) {
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 asmout(ctxt *obj.Link, 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:
ctxt.Diag("unknown type %d", o.type_)
prasm(p)
case 0: /* pseudo ops */
break
case 1: /* mov r1,r2 ==> OR Rs,Rs,Ra */
if p.To.Reg == REGZERO && p.From.Type == obj.TYPE_CONST {
v := regoff(ctxt, &p.From)
if r0iszero != 0 /*TypeKind(100016)*/ && v != 0 {
//nerrors--;
ctxt.Diag("literal operation on R0\n%v", p)
}
o1 = LOP_IRR(OP_ADDI, REGZERO, REGZERO, uint32(v))
break
}
o1 = LOP_RRR(OP_OR, uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.From.Reg))
case 2: /* int/cr/fp op Rb,[Ra],Rd */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(oprrr(ctxt, p.As), uint32(p.To.Reg), uint32(r), uint32(p.From.Reg))
case 3: /* mov $soreg/addcon/ucon, r ==> addis/addi $i,reg',r */
d := vregoff(ctxt, &p.From)
v := int32(d)
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
if r0iszero != 0 /*TypeKind(100016)*/ && p.To.Reg == 0 && (r != 0 || v != 0) {
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)
}
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 {
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 := regoff(ctxt, &p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
if r0iszero != 0 /*TypeKind(100016)*/ && p.To.Reg == 0 {
ctxt.Diag("literal operation on R0\n%v", p)
}
if int32(int16(v)) != v {
log.Fatalf("mishandled instruction %v", p)
}
o1 = AOP_IRR(opirr(ctxt, p.As), uint32(p.To.Reg), uint32(r), uint32(v))
case 5: /* syscall */
o1 = oprrr(ctxt, p.As)
case 6: /* logical op Rb,[Rs,]Ra; no literal */
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = LOP_RRR(oprrr(ctxt, 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 = int(o.param)
}
v := regoff(ctxt, &p.To)
if p.To.Type == obj.TYPE_MEM && p.To.Index != 0 {
if v != 0 {
ctxt.Diag("illegal indexed instruction\n%v", p)
}
if ctxt.Flag_shared && r == REG_R13 {
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 4
// This (and the matching part in the load case
// below) are the only places in the ppc64 toolchain
// that knows the name of the tls variable. Possibly
// we could add some assembly syntax so that the name
// of the variable does not have to be assumed.
rel.Sym = obj.Linklookup(ctxt, "runtime.tls_g", 0)
rel.Type = obj.R_POWER_TLS
}
o1 = AOP_RRR(opstorex(ctxt, p.As), uint32(p.From.Reg), uint32(p.To.Index), uint32(r))
} else {
if int32(int16(v)) != v {
log.Fatalf("mishandled instruction %v", p)
}
o1 = AOP_IRR(opstore(ctxt, p.As), uint32(p.From.Reg), uint32(r), uint32(v))
}
case 8: /* mov soreg, r ==> lbz/lhz/lwz o(r) */
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
v := regoff(ctxt, &p.From)
if p.From.Type == obj.TYPE_MEM && p.From.Index != 0 {
if v != 0 {
ctxt.Diag("illegal indexed instruction\n%v", p)
}
if ctxt.Flag_shared && r == REG_R13 {
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 4
rel.Sym = obj.Linklookup(ctxt, "runtime.tls_g", 0)
rel.Type = obj.R_POWER_TLS
}
o1 = AOP_RRR(oploadx(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(r))
} else {
if int32(int16(v)) != v {
log.Fatalf("mishandled instruction %v", p)
}
o1 = AOP_IRR(opload(ctxt, p.As), uint32(p.To.Reg), uint32(r), uint32(v))
}
case 9: /* movb soreg, r ==> lbz o(r),r2; extsb r2,r2 */
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
v := regoff(ctxt, &p.From)
if p.From.Type == obj.TYPE_MEM && p.From.Index != 0 {
if v != 0 {
ctxt.Diag("illegal indexed instruction\n%v", p)
}
o1 = AOP_RRR(oploadx(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(r))
} else {
o1 = AOP_IRR(opload(ctxt, p.As), uint32(p.To.Reg), uint32(r), uint32(v))
}
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(oprrr(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(r))
case 11: /* br/bl lbra */
v := int32(0)
if p.Pcond != nil {
v = int32(p.Pcond.Pc - p.Pc)
if v&03 != 0 {
ctxt.Diag("odd branch target address\n%v", p)
v &^= 03
}
if v < -(1<<25) || v >= 1<<24 {
ctxt.Diag("branch too far\n%v", p)
}
}
o1 = OP_BR(opirr(ctxt, p.As), uint32(v), 0)
if p.To.Sym != nil {
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 4
rel.Sym = p.To.Sym
v += int32(p.To.Offset)
if v&03 != 0 {
ctxt.Diag("odd branch target address\n%v", p)
v &^= 03
}
rel.Add = int64(v)
rel.Type = obj.R_CALLPOWER
}
o2 = 0x60000000 // nop, sometimes overwritten by ld r2, 24(r1) when dynamic linking
case 12: /* movb r,r (extsb); movw r,r (extsw) */
if p.To.Reg == REGZERO && p.From.Type == obj.TYPE_CONST {
v := regoff(ctxt, &p.From)
if r0iszero != 0 /*TypeKind(100016)*/ && v != 0 {
ctxt.Diag("literal operation on R0\n%v", p)
}
o1 = LOP_IRR(OP_ADDI, REGZERO, REGZERO, uint32(v))
break
}
if p.As == AMOVW {
o1 = LOP_RRR(OP_EXTSW, uint32(p.To.Reg), uint32(p.From.Reg), 0)
} else {
o1 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.From.Reg), 0)
}
case 13: /* mov[bhw]z r,r; uses rlwinm not andi. to avoid changing CC */
if p.As == AMOVBZ {
o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(p.From.Reg), 0, 24, 31)
} else if p.As == AMOVH {
o1 = LOP_RRR(OP_EXTSH, uint32(p.To.Reg), uint32(p.From.Reg), 0)
} else if p.As == AMOVHZ {
o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(p.From.Reg), 0, 16, 31)
} else if p.As == AMOVWZ {
o1 = OP_RLW(OP_RLDIC, uint32(p.To.Reg), uint32(p.From.Reg), 0, 0, 0) | 1<<5 /* MB=32 */
} else {
ctxt.Diag("internal: bad mov[bhw]z\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 := vregoff(ctxt, p.From3)
var mask [2]uint8
maskgen64(ctxt, p, mask[:], uint64(d))
var a int
switch p.As {
case ARLDCL, ARLDCLCC:
a = int(mask[0]) /* MB */
if mask[1] != 63 {
ctxt.Diag("invalid mask for rotate: %x (end != bit 63)\n%v", uint64(d), p)
}
case ARLDCR, ARLDCRCC:
a = int(mask[1]) /* ME */
if mask[0] != 0 {
ctxt.Diag("invalid mask for rotate: %x (start != 0)\n%v", uint64(d), p)
}
default:
ctxt.Diag("unexpected op in rldc case\n%v", p)
a = 0
}
o1 = LOP_RRR(oprrr(ctxt, 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 17, /* bc bo,bi,lbra (same for now) */
16: /* bc bo,bi,sbra */
a := 0
if p.From.Type == obj.TYPE_CONST {
a = int(regoff(ctxt, &p.From))
}
r := int(p.Reg)
if r == 0 {
r = 0
}
v := int32(0)
if p.Pcond != nil {
v = int32(p.Pcond.Pc - p.Pc)
}
if v&03 != 0 {
ctxt.Diag("odd branch target address\n%v", p)
v &^= 03
}
if v < -(1<<16) || v >= 1<<15 {
ctxt.Diag("branch too far\n%v", p)
}
o1 = OP_BC(opirr(ctxt, p.As), uint32(a), uint32(r), uint32(v), 0)
case 15: /* br/bl (r) => mov r,lr; br/bl (lr) */
var v int32
if p.As == ABC || p.As == ABCL {
v = regoff(ctxt, &p.To) & 31
} else {
v = 20 /* unconditional */
}
o1 = AOP_RRR(OP_MTSPR, uint32(p.To.Reg), 0, 0) | (REG_LR&0x1f)<<16 | ((REG_LR>>5)&0x1f)<<11
o2 = OPVCC(19, 16, 0, 0)
if p.As == ABL || p.As == ABCL {
o2 |= 1
}
o2 = OP_BCR(o2, uint32(v), uint32(p.To.Index))
case 18: /* br/bl (lr/ctr); bc/bcl bo,bi,(lr/ctr) */
var v int32
if p.As == ABC || p.As == ABCL {
v = regoff(ctxt, &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:
ctxt.Diag("bad optab entry (18): %d\n%v", p.To.Class, p)
v = 0
}
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 := vregoff(ctxt, &p.From)
if p.From.Sym == nil {
o1 = loadu32(int(p.To.Reg), d)
o2 = LOP_IRR(OP_ORI, uint32(p.To.Reg), uint32(p.To.Reg), uint32(int32(d)))
} else {
o1, o2 = symbolAccess(ctxt, p.From.Sym, d, p.To.Reg, OP_ADDI)
}
//if(dlm) reloc(&p->from, p->pc, 0);
case 20: /* add $ucon,,r */
v := regoff(ctxt, &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) {
ctxt.Diag("literal operation on R0\n%v", p)
}
o1 = AOP_IRR(opirr(ctxt, -p.As), uint32(p.To.Reg), uint32(r), uint32(v)>>16)
case 22: /* add $lcon,r1,r2 ==> cau+or+add */ /* could do add/sub more efficiently */
if p.To.Reg == REGTMP || p.Reg == REGTMP {
ctxt.Diag("can't synthesize large constant\n%v", p)
}
d := vregoff(ctxt, &p.From)
o1 = loadu32(REGTMP, d)
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, uint32(int32(d)))
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o3 = AOP_RRR(oprrr(ctxt, p.As), uint32(p.To.Reg), REGTMP, uint32(r))
if p.From.Sym != nil {
ctxt.Diag("%v is not supported", p)
}
//if(dlm) reloc(&p->from, p->pc, 0);
case 23: /* and $lcon,r1,r2 ==> cau+or+and */ /* masks could be done using rlnm etc. */
if p.To.Reg == REGTMP || p.Reg == REGTMP {
ctxt.Diag("can't synthesize large constant\n%v", p)
}
d := vregoff(ctxt, &p.From)
o1 = loadu32(REGTMP, d)
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, uint32(int32(d)))
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o3 = LOP_RRR(oprrr(ctxt, p.As), uint32(p.To.Reg), REGTMP, uint32(r))
if p.From.Sym != nil {
ctxt.Diag("%v is not supported", p)
}
//if(dlm) reloc(&p->from, p->pc, 0);
/*24*/
case 25:
/* sld[.] $sh,rS,rA -> rldicr[.] $sh,rS,mask(0,63-sh),rA; srd[.] -> rldicl */
v := regoff(ctxt, &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
switch p.As {
case ASLD, ASLDCC:
a = int(63 - v)
o1 = OP_RLDICR
case ASRD, ASRDCC:
a = int(v)
v = 64 - v
o1 = OP_RLDICL
default:
ctxt.Diag("unexpected op in sldi case\n%v", p)
a = 0
o1 = 0
}
o1 = AOP_RRR(o1, uint32(r), 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 */
}
if p.As == ASLDCC || p.As == ASRDCC {
o1 |= 1 /* Rc */
}
case 26: /* mov $lsext/auto/oreg,,r2 ==> addis+addi */
if p.To.Reg == REGTMP {
ctxt.Diag("can't synthesize large constant\n%v", p)
}
v := regoff(ctxt, &p.From)
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
o1 = AOP_IRR(OP_ADDIS, REGTMP, uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(OP_ADDI, uint32(p.To.Reg), REGTMP, uint32(v))
case 27: /* subc ra,$simm,rd => subfic rd,ra,$simm */
v := regoff(ctxt, p.From3)
r := int(p.From.Reg)
o1 = AOP_IRR(opirr(ctxt, p.As), uint32(p.To.Reg), uint32(r), uint32(v))
case 28: /* subc r1,$lcon,r2 ==> cau+or+subfc */
if p.To.Reg == REGTMP || p.From.Reg == REGTMP {
ctxt.Diag("can't synthesize large constant\n%v", p)
}
v := regoff(ctxt, p.From3)
o1 = AOP_IRR(OP_ADDIS, REGTMP, REGZERO, uint32(v)>>16)
o2 = LOP_IRR(OP_ORI, REGTMP, REGTMP, uint32(v))
o3 = AOP_RRR(oprrr(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Reg), REGTMP)
if p.From.Sym != nil {
ctxt.Diag("%v is not supported", p)
}
//if(dlm) reloc(&p->from3, p->pc, 0);
case 29: /* rldic[lr]? $sh,s,$mask,a -- left, right, plain give different masks */
v := regoff(ctxt, &p.From)
d := vregoff(ctxt, p.From3)
var mask [2]uint8
maskgen64(ctxt, p, mask[:], uint64(d))
var a int
switch p.As {
case ARLDC, ARLDCCC:
a = int(mask[0]) /* MB */
if int32(mask[1]) != (63 - v) {
ctxt.Diag("invalid mask for shift: %x (shift %d)\n%v", uint64(d), v, p)
}
case ARLDCL, ARLDCLCC:
a = int(mask[0]) /* MB */
if mask[1] != 63 {
ctxt.Diag("invalid mask for shift: %x (shift %d)\n%v", uint64(d), v, p)
}
case ARLDCR, ARLDCRCC:
a = int(mask[1]) /* ME */
if mask[0] != 0 {
ctxt.Diag("invalid mask for shift: %x (shift %d)\n%v", uint64(d), v, p)
}
default:
ctxt.Diag("unexpected op in rldic case\n%v", p)
a = 0
}
o1 = AOP_RRR(opirr(ctxt, 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 := regoff(ctxt, &p.From)
d := vregoff(ctxt, p.From3)
var mask [2]uint8
maskgen64(ctxt, p, mask[:], uint64(d))
if int32(mask[1]) != (63 - v) {
ctxt.Diag("invalid mask for shift: %x (shift %d)\n%v", uint64(d), v, p)
}
o1 = AOP_RRR(opirr(ctxt, 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 */
}
case 31: /* dword */
d := vregoff(ctxt, &p.From)
if 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(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 8
rel.Sym = p.From.Sym
rel.Add = p.From.Offset
rel.Type = obj.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(oprrr(ctxt, 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(oprrr(ctxt, p.As), uint32(p.To.Reg), 0, uint32(r))
case 34: /* FMADDx fra,frb,frc,frd (d=a*b+c); FSELx a<0? (d=b): (d=c) */
o1 = AOP_RRR(oprrr(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Reg), uint32(p.Reg)) | (uint32(p.From3.Reg)&31)<<6
case 35: /* mov r,lext/lauto/loreg ==> cau $(v>>16),sb,r'; store o(r') */
v := regoff(ctxt, &p.To)
r := int(p.To.Reg)
if r == 0 {
r = int(o.param)
}
o1 = AOP_IRR(OP_ADDIS, REGTMP, uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(opstore(ctxt, p.As), uint32(p.From.Reg), REGTMP, uint32(v))
case 36: /* mov bz/h/hz lext/lauto/lreg,r ==> lbz/lha/lhz etc */
v := regoff(ctxt, &p.From)
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
o1 = AOP_IRR(OP_ADDIS, REGTMP, uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(opload(ctxt, p.As), uint32(p.To.Reg), REGTMP, uint32(v))
case 37: /* movb lext/lauto/lreg,r ==> lbz o(reg),r; extsb r */
v := regoff(ctxt, &p.From)
r := int(p.From.Reg)
if r == 0 {
r = int(o.param)
}
o1 = AOP_IRR(OP_ADDIS, REGTMP, uint32(r), uint32(high16adjusted(v)))
o2 = AOP_IRR(opload(ctxt, p.As), uint32(p.To.Reg), REGTMP, uint32(v))
o3 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.To.Reg), 0)
case 40: /* word */
o1 = uint32(regoff(ctxt, &p.From))
case 41: /* stswi */
o1 = AOP_RRR(opirr(ctxt, p.As), uint32(p.From.Reg), uint32(p.To.Reg), 0) | (uint32(regoff(ctxt, p.From3))&0x7F)<<11
case 42: /* lswi */
o1 = AOP_RRR(opirr(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Reg), 0) | (uint32(regoff(ctxt, p.From3))&0x7F)<<11
case 43: /* unary indexed source: dcbf (b); dcbf (a+b) */
o1 = AOP_RRR(oprrr(ctxt, p.As), 0, uint32(p.From.Index), uint32(p.From.Reg))
case 44: /* indexed store */
o1 = AOP_RRR(opstorex(ctxt, p.As), uint32(p.From.Reg), uint32(p.To.Index), uint32(p.To.Reg))
case 45: /* indexed load */
o1 = AOP_RRR(oploadx(ctxt, p.As), uint32(p.To.Reg), uint32(p.From.Index), uint32(p.From.Reg))
case 46: /* plain op */
o1 = oprrr(ctxt, 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(oprrr(ctxt, 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(oprrr(ctxt, 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 := regoff(ctxt, &p.From) & 1
o1 = AOP_RRR(oprrr(ctxt, p.As), 0, 0, uint32(p.To.Reg)) | uint32(v)<<21
} else {
o1 = AOP_RRR(oprrr(ctxt, 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 := oprrr(ctxt, 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 := oprrr(ctxt, 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))
case 52: /* mtfsbNx cr(n) */
v := regoff(ctxt, &p.From) & 31
o1 = AOP_RRR(oprrr(ctxt, p.As), uint32(v), 0, 0)
case 53: /* mffsX ,fr1 */
o1 = AOP_RRR(OP_MFFS, uint32(p.To.Reg), 0, 0)
case 54: /* mov msr,r1; mov r1, msr*/
if oclass(&p.From) == C_REG {
if p.As == AMOVD {
o1 = AOP_RRR(OP_MTMSRD, uint32(p.From.Reg), 0, 0)
} else {
o1 = AOP_RRR(OP_MTMSR, uint32(p.From.Reg), 0, 0)
}
} else {
o1 = AOP_RRR(OP_MFMSR, uint32(p.To.Reg), 0, 0)
}
case 55: /* op Rb, Rd */
o1 = AOP_RRR(oprrr(ctxt, p.As), uint32(p.To.Reg), 0, uint32(p.From.Reg))
case 56: /* sra $sh,[s,]a; srd $sh,[s,]a */
v := regoff(ctxt, &p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = AOP_RRR(opirr(ctxt, 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 := regoff(ctxt, &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
if p.As == ASRW || p.As == ASRWCC { /* shift right */
mask[0] = uint8(v)
mask[1] = 31
v = 32 - v
} else {
mask[0] = 0
mask[1] = 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 /* Rc */
}
case 58: /* logical $andcon,[s],a */
v := regoff(ctxt, &p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = LOP_IRR(opirr(ctxt, p.As), uint32(p.To.Reg), uint32(r), uint32(v))
case 59: /* or/and $ucon,,r */
v := regoff(ctxt, &p.From)
r := int(p.Reg)
if r == 0 {
r = int(p.To.Reg)
}
o1 = LOP_IRR(opirr(ctxt, -p.As), uint32(p.To.Reg), uint32(r), uint32(v)>>16) /* oris, xoris, andis */
case 60: /* tw to,a,b */
r := int(regoff(ctxt, &p.From) & 31)
o1 = AOP_RRR(oprrr(ctxt, p.As), uint32(r), uint32(p.Reg), uint32(p.To.Reg))
case 61: /* tw to,a,$simm */
r := int(regoff(ctxt, &p.From) & 31)
v := regoff(ctxt, &p.To)
o1 = AOP_IRR(opirr(ctxt, p.As), uint32(r), uint32(p.Reg), uint32(v))
case 62: /* rlwmi $sh,s,$mask,a */
v := regoff(ctxt, &p.From)
var mask [2]uint8
maskgen(ctxt, p, mask[:], uint32(regoff(ctxt, p.From3)))
o1 = AOP_RRR(opirr(ctxt, 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
maskgen(ctxt, p, mask[:], uint32(regoff(ctxt, p.From3)))
o1 = AOP_RRR(opirr(ctxt, 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 = regoff(ctxt, p.From3) & 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 {
ctxt.Diag("must specify FPSCR(n)\n%v", p)
}
o1 = OP_MTFSFI | (uint32(p.To.Reg)&15)<<23 | (uint32(regoff(ctxt, &p.From))&31)<<12
case 66: /* mov spr,r1; mov r1,spr, also dcr */
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)
if REG_DCR0 <= v && v <= REG_DCR0+1023 {
o1 = OPVCC(31, 451, 0, 0) /* mtdcr */
} else {
o1 = OPVCC(31, 467, 0, 0) /* mtspr */
}
} else {
r = int(p.To.Reg)
v = int32(p.From.Reg)
if REG_DCR0 <= v && v <= REG_DCR0+1023 {
o1 = OPVCC(31, 323, 0, 0) /* mfdcr */
} else {
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.Type != obj.TYPE_REG || p.From.Reg < REG_CR0 || REG_CR7 < p.From.Reg || p.To.Type != obj.TYPE_REG || p.To.Reg < REG_CR0 || REG_CR7 < p.To.Reg {
ctxt.Diag("illegal CR field number\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 */
if p.From.Type == obj.TYPE_REG && REG_CR0 <= p.From.Reg && p.From.Reg <= REG_CR7 {
v := int32(1 << uint(7-(p.To.Reg&7))) /* CR(n) */
o1 = AOP_RRR(OP_MFCR, uint32(p.To.Reg), 0, 0) | 1<<20 | uint32(v)<<12 /* new form, mfocrf */
} else {
o1 = AOP_RRR(OP_MFCR, uint32(p.To.Reg), 0, 0) /* old form, whole register */
}
case 69: /* mtcrf CRM,rS */
var v int32
if p.From3Type() != obj.TYPE_NONE {
if p.To.Reg != 0 {
ctxt.Diag("can't use both mask and CR(n)\n%v", p)
}
v = regoff(ctxt, p.From3) & 0xff
} else {
if p.To.Reg == 0 {
v = 0xff /* CR */
} else {
v = 1 << uint(7-(p.To.Reg&7)) /* CR(n) */
}
}
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(oprrr(ctxt, 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(opirr(ctxt, p.As), uint32(r), uint32(p.From.Reg), 0) | uint32(regoff(ctxt, &p.To))&0xffff
case 72: /* slbmte (Rb+Rs -> slb[Rb]) -> Rs, Rb */
o1 = AOP_RRR(oprrr(ctxt, 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 {
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 {
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 {
ctxt.Diag("illegal syscall: %v", p)
o1 = 0x7fe00008 // trap always
}
o2 = oprrr(ctxt, p.As)
o3 = AOP_RRR(oprrr(ctxt, 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 := vregoff(ctxt, &p.To)
o1, o2 = symbolAccess(ctxt, p.To.Sym, v, p.From.Reg, opstore(ctxt, p.As))
//if(dlm) reloc(&p->to, p->pc, 1);
case 75:
v := vregoff(ctxt, &p.From)
o1, o2 = symbolAccess(ctxt, p.From.Sym, v, p.To.Reg, opload(ctxt, p.As))
//if(dlm) reloc(&p->from, p->pc, 1);
case 76:
v := vregoff(ctxt, &p.From)
o1, o2 = symbolAccess(ctxt, p.From.Sym, v, p.To.Reg, opload(ctxt, p.As))
o3 = LOP_RRR(OP_EXTSB, uint32(p.To.Reg), uint32(p.To.Reg), 0)
//if(dlm) reloc(&p->from, p->pc, 1);
case 79:
if p.From.Offset != 0 {
ctxt.Diag("invalid offset against tls var %v", p)
}
o1 = AOP_IRR(OP_ADDI, uint32(p.To.Reg), REGZERO, 0)
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 4
rel.Sym = p.From.Sym
rel.Type = obj.R_POWER_TLS_LE
case 80:
if p.From.Offset != 0 {
ctxt.Diag("invalid offset against tls var %v", p)
}
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), REG_R2, 0)
o2 = AOP_IRR(opload(ctxt, AMOVD), uint32(p.To.Reg), uint32(p.To.Reg), 0)
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 8
rel.Sym = p.From.Sym
rel.Type = obj.R_POWER_TLS_IE
case 81:
v := vregoff(ctxt, &p.To)
if v != 0 {
ctxt.Diag("invalid offset against GOT slot %v", p)
}
o1 = AOP_IRR(OP_ADDIS, uint32(p.To.Reg), REG_R2, 0)
o2 = AOP_IRR(opload(ctxt, AMOVD), uint32(p.To.Reg), uint32(p.To.Reg), 0)
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 8
rel.Sym = p.From.Sym
rel.Type = obj.R_ADDRPOWER_GOT
}
out[0] = o1
out[1] = o2
out[2] = o3
out[3] = o4
out[4] = o5
return
}
func vregoff(ctxt *obj.Link, a *obj.Addr) int64 {
ctxt.Instoffset = 0
if a != nil {
aclass(ctxt, a)
}
return ctxt.Instoffset
}
func regoff(ctxt *obj.Link, a *obj.Addr) int32 {
return int32(vregoff(ctxt, a))
}
func oprrr(ctxt *obj.Link, 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 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 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 AREM, ADIVW:
return OPVCC(31, 491, 0, 0)
case AREMCC, ADIVWCC:
return OPVCC(31, 491, 0, 1)
case AREMV, ADIVWV:
return OPVCC(31, 491, 1, 0)
case AREMVCC, ADIVWVCC:
return OPVCC(31, 491, 1, 1)
case AREMU, ADIVWU:
return OPVCC(31, 459, 0, 0)
case AREMUCC, ADIVWUCC:
return OPVCC(31, 459, 0, 1)
case AREMUV, ADIVWUV:
return OPVCC(31, 459, 1, 0)
case AREMUVCC, ADIVWUVCC:
return OPVCC(31, 459, 1, 1)
case AREMD, ADIVD:
return OPVCC(31, 489, 0, 0)
case AREMDCC, ADIVDCC:
return OPVCC(31, 489, 0, 1)
case AREMDV, ADIVDV:
return OPVCC(31, 489, 1, 0)
case AREMDVCC, ADIVDVCC:
return OPVCC(31, 489, 1, 1)
case AREMDU, ADIVDU:
return OPVCC(31, 457, 0, 0)
case AREMDUCC, ADIVDUCC:
return OPVCC(31, 457, 0, 1)
case AREMDUV, ADIVDUV:
return OPVCC(31, 457, 1, 0)
case AREMDUVCC, 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 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 AFRES:
return OPVCC(59, 24, 0, 0)
case AFRESCC:
return OPVCC(59, 24, 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 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 ARLDCR:
return OPVCC(30, 9, 0, 0)
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 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)
case AXOR:
return OPVCC(31, 316, 0, 0)
case AXORCC:
return OPVCC(31, 316, 0, 1)
}
ctxt.Diag("bad r/r opcode %v", obj.Aconv(a))
return 0
}
func opirr(ctxt *obj.Link, 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 -AADD:
return OPVCC(15, 0, 0, 0) /* ADDIS/CAU */
case AANDCC:
return OPVCC(28, 0, 0, 0)
case -AANDCC:
return OPVCC(29, 0, 0, 0) /* ANDIS./ANDIU. */
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, 12, 2, 0)
case ABGE:
return AOP_RRR(16<<26, 4, 0, 0)
case ABGT:
return AOP_RRR(16<<26, 12, 1, 0)
case ABLE:
return AOP_RRR(16<<26, 4, 1, 0)
case ABLT:
return AOP_RRR(16<<26, 12, 0, 0)
case ABNE:
return AOP_RRR(16<<26, 4, 2, 0)
case ABVC:
return AOP_RRR(16<<26, 4, 3, 0)
case ABVS:
return AOP_RRR(16<<26, 12, 3, 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 ALSW:
return OPVCC(31, 597, 0, 0)
case AMULLW:
return OPVCC(7, 0, 0, 0)
case AOR:
return OPVCC(24, 0, 0, 0)
case -AOR:
return OPVCC(25, 0, 0, 0) /* ORIS/ORIU */
case ARLWMI:
return OPVCC(20, 0, 0, 0) /* rlwimi */
case ARLWMICC:
return OPVCC(20, 0, 0, 1)
case ARLDMI:
return OPVCC(30, 0, 0, 0) | 3<<2 /* rldimi */
case ARLDMICC:
return OPVCC(30, 0, 0, 1) | 3<<2
case ARLWNM:
return OPVCC(21, 0, 0, 0) /* rlwinm */
case ARLWNMCC:
return OPVCC(21, 0, 0, 1)
case ARLDCL:
return OPVCC(30, 0, 0, 0) /* rldicl */
case ARLDCLCC:
return OPVCC(30, 0, 0, 1)
case ARLDCR:
return OPVCC(30, 1, 0, 0) /* rldicr */
case ARLDCRCC:
return OPVCC(30, 1, 0, 1)
case ARLDC:
return OPVCC(30, 0, 0, 0) | 2<<2
case ARLDCCC:
return OPVCC(30, 0, 0, 1) | 2<<2
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 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)
case AXOR:
return OPVCC(26, 0, 0, 0) /* XORIL */
case -AXOR:
return OPVCC(27, 0, 0, 0) /* XORIU */
}
ctxt.Diag("bad opcode i/r %v", obj.Aconv(a))
return 0
}
/*
* load o(a),d
*/
func opload(ctxt *obj.Link, 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 */
/* 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 */
}
ctxt.Diag("bad load opcode %v", obj.Aconv(a))
return 0
}
/*
* indexed load a(b),d
*/
func oploadx(ctxt *obj.Link, 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 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 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 ALWAR:
return OPVCC(31, 20, 0, 0) /* lwarx */
case ALDAR:
return OPVCC(31, 84, 0, 0)
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 */
}
ctxt.Diag("bad loadx opcode %v", obj.Aconv(a))
return 0
}
/*
* store s,o(d)
*/
func opstore(ctxt *obj.Link, 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 */
}
ctxt.Diag("unknown store opcode %v", obj.Aconv(a))
return 0
}
/*
* indexed store s,a(b)
*/
func opstorex(ctxt *obj.Link, 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 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 ASTBCCC:
return OPVCC(31, 694, 0, 1) /* stbcx. */
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 */
}
ctxt.Diag("unknown storex opcode %v", obj.Aconv(a))
return 0
}