/
asm9.go
3247 lines (2834 loc) · 85.5 KB
/
asm9.go
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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 int16
a1 uint8
a2 uint8
a3 uint8
a4 uint8
type_ int8
size int8
param int16
}
var optab = []Optab{
Optab{obj.ATEXT, C_LEXT, C_NONE, C_NONE, C_TEXTSIZE, 0, 0, 0},
Optab{obj.ATEXT, C_LEXT, C_NONE, C_LCON, C_TEXTSIZE, 0, 0, 0},
Optab{obj.ATEXT, C_ADDR, C_NONE, C_NONE, C_TEXTSIZE, 0, 0, 0},
Optab{obj.ATEXT, C_ADDR, C_NONE, C_LCON, C_TEXTSIZE, 0, 0, 0},
/* move register */
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_REG, 1, 4, 0},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_REG, 12, 4, 0},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_REG, 13, 4, 0},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_REG, 12, 4, 0},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_REG, 13, 4, 0},
Optab{AADD, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0},
Optab{AADD, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
Optab{AADD, C_ADDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
Optab{AADD, C_ADDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
Optab{AADD, C_UCON, C_REG, C_NONE, C_REG, 20, 4, 0},
Optab{AADD, C_UCON, C_NONE, C_NONE, C_REG, 20, 4, 0},
Optab{AADD, C_LCON, C_REG, C_NONE, C_REG, 22, 12, 0},
Optab{AADD, C_LCON, C_NONE, C_NONE, C_REG, 22, 12, 0},
Optab{AADDC, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0},
Optab{AADDC, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
Optab{AADDC, C_ADDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
Optab{AADDC, C_ADDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
Optab{AADDC, C_LCON, C_REG, C_NONE, C_REG, 22, 12, 0},
Optab{AADDC, C_LCON, C_NONE, C_NONE, C_REG, 22, 12, 0},
Optab{AAND, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0}, /* logical, no literal */
Optab{AAND, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{AANDCC, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
Optab{AANDCC, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{AANDCC, C_ANDCON, C_NONE, C_NONE, C_REG, 58, 4, 0},
Optab{AANDCC, C_ANDCON, C_REG, C_NONE, C_REG, 58, 4, 0},
Optab{AANDCC, C_UCON, C_NONE, C_NONE, C_REG, 59, 4, 0},
Optab{AANDCC, C_UCON, C_REG, C_NONE, C_REG, 59, 4, 0},
Optab{AANDCC, C_LCON, C_NONE, C_NONE, C_REG, 23, 12, 0},
Optab{AANDCC, C_LCON, C_REG, C_NONE, C_REG, 23, 12, 0},
Optab{AMULLW, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0},
Optab{AMULLW, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
Optab{AMULLW, C_ADDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
Optab{AMULLW, C_ADDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
Optab{AMULLW, C_ANDCON, C_REG, C_NONE, C_REG, 4, 4, 0},
Optab{AMULLW, C_ANDCON, C_NONE, C_NONE, C_REG, 4, 4, 0},
Optab{AMULLW, C_LCON, C_REG, C_NONE, C_REG, 22, 12, 0},
Optab{AMULLW, C_LCON, C_NONE, C_NONE, C_REG, 22, 12, 0},
Optab{ASUBC, C_REG, C_REG, C_NONE, C_REG, 10, 4, 0},
Optab{ASUBC, C_REG, C_NONE, C_NONE, C_REG, 10, 4, 0},
Optab{ASUBC, C_REG, C_NONE, C_ADDCON, C_REG, 27, 4, 0},
Optab{ASUBC, C_REG, C_NONE, C_LCON, C_REG, 28, 12, 0},
Optab{AOR, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0}, /* logical, literal not cc (or/xor) */
Optab{AOR, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{AOR, C_ANDCON, C_NONE, C_NONE, C_REG, 58, 4, 0},
Optab{AOR, C_ANDCON, C_REG, C_NONE, C_REG, 58, 4, 0},
Optab{AOR, C_UCON, C_NONE, C_NONE, C_REG, 59, 4, 0},
Optab{AOR, C_UCON, C_REG, C_NONE, C_REG, 59, 4, 0},
Optab{AOR, C_LCON, C_NONE, C_NONE, C_REG, 23, 12, 0},
Optab{AOR, C_LCON, C_REG, C_NONE, C_REG, 23, 12, 0},
Optab{ADIVW, C_REG, C_REG, C_NONE, C_REG, 2, 4, 0}, /* op r1[,r2],r3 */
Optab{ADIVW, C_REG, C_NONE, C_NONE, C_REG, 2, 4, 0},
Optab{ASUB, C_REG, C_REG, C_NONE, C_REG, 10, 4, 0}, /* op r2[,r1],r3 */
Optab{ASUB, C_REG, C_NONE, C_NONE, C_REG, 10, 4, 0},
Optab{ASLW, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{ASLW, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
Optab{ASLD, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{ASLD, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
Optab{ASLD, C_SCON, C_REG, C_NONE, C_REG, 25, 4, 0},
Optab{ASLD, C_SCON, C_NONE, C_NONE, C_REG, 25, 4, 0},
Optab{ASLW, C_SCON, C_REG, C_NONE, C_REG, 57, 4, 0},
Optab{ASLW, C_SCON, C_NONE, C_NONE, C_REG, 57, 4, 0},
Optab{ASRAW, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{ASRAW, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
Optab{ASRAW, C_SCON, C_REG, C_NONE, C_REG, 56, 4, 0},
Optab{ASRAW, C_SCON, C_NONE, C_NONE, C_REG, 56, 4, 0},
Optab{ASRAD, C_REG, C_NONE, C_NONE, C_REG, 6, 4, 0},
Optab{ASRAD, C_REG, C_REG, C_NONE, C_REG, 6, 4, 0},
Optab{ASRAD, C_SCON, C_REG, C_NONE, C_REG, 56, 4, 0},
Optab{ASRAD, C_SCON, C_NONE, C_NONE, C_REG, 56, 4, 0},
Optab{ARLWMI, C_SCON, C_REG, C_LCON, C_REG, 62, 4, 0},
Optab{ARLWMI, C_REG, C_REG, C_LCON, C_REG, 63, 4, 0},
Optab{ARLDMI, C_SCON, C_REG, C_LCON, C_REG, 30, 4, 0},
Optab{ARLDC, C_SCON, C_REG, C_LCON, C_REG, 29, 4, 0},
Optab{ARLDCL, C_SCON, C_REG, C_LCON, C_REG, 29, 4, 0},
Optab{ARLDCL, C_REG, C_REG, C_LCON, C_REG, 14, 4, 0},
Optab{ARLDCL, C_REG, C_NONE, C_LCON, C_REG, 14, 4, 0},
Optab{AFADD, C_FREG, C_NONE, C_NONE, C_FREG, 2, 4, 0},
Optab{AFADD, C_FREG, C_REG, C_NONE, C_FREG, 2, 4, 0},
Optab{AFABS, C_FREG, C_NONE, C_NONE, C_FREG, 33, 4, 0},
Optab{AFABS, C_NONE, C_NONE, C_NONE, C_FREG, 33, 4, 0},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_FREG, 33, 4, 0},
Optab{AFMADD, C_FREG, C_REG, C_FREG, C_FREG, 34, 4, 0},
Optab{AFMUL, C_FREG, C_NONE, C_NONE, C_FREG, 32, 4, 0},
Optab{AFMUL, C_FREG, C_REG, C_NONE, C_FREG, 32, 4, 0},
/* store, short offset */
Optab{AMOVD, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVW, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVWZ, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVBZ, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVBZU, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVB, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVBU, C_REG, C_REG, C_NONE, C_ZOREG, 7, 4, REGZERO},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AMOVBZU, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AMOVBU, C_REG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
/* load, short offset */
Optab{AMOVD, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVW, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVWZ, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVBZ, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVBZU, C_ZOREG, C_REG, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVB, C_ZOREG, C_REG, C_NONE, C_REG, 9, 8, REGZERO},
Optab{AMOVBU, C_ZOREG, C_REG, C_NONE, C_REG, 9, 8, REGZERO},
Optab{AMOVD, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
Optab{AMOVW, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
Optab{AMOVWZ, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
Optab{AMOVBZ, C_SEXT, C_NONE, C_NONE, C_REG, 8, 4, REGSB},
Optab{AMOVB, C_SEXT, C_NONE, C_NONE, C_REG, 9, 8, REGSB},
Optab{AMOVD, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
Optab{AMOVW, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
Optab{AMOVWZ, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
Optab{AMOVBZ, C_SAUTO, C_NONE, C_NONE, C_REG, 8, 4, REGSP},
Optab{AMOVB, C_SAUTO, C_NONE, C_NONE, C_REG, 9, 8, REGSP},
Optab{AMOVD, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVW, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVWZ, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVBZ, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVBZU, C_SOREG, C_NONE, C_NONE, C_REG, 8, 4, REGZERO},
Optab{AMOVB, C_SOREG, C_NONE, C_NONE, C_REG, 9, 8, REGZERO},
Optab{AMOVBU, C_SOREG, C_NONE, C_NONE, C_REG, 9, 8, REGZERO},
/* store, long offset */
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
Optab{AMOVBZ, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
Optab{AMOVB, C_REG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
/* load, long offset */
Optab{AMOVD, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
Optab{AMOVW, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
Optab{AMOVWZ, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
Optab{AMOVBZ, C_LEXT, C_NONE, C_NONE, C_REG, 36, 8, REGSB},
Optab{AMOVB, C_LEXT, C_NONE, C_NONE, C_REG, 37, 12, REGSB},
Optab{AMOVD, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
Optab{AMOVW, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
Optab{AMOVWZ, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
Optab{AMOVBZ, C_LAUTO, C_NONE, C_NONE, C_REG, 36, 8, REGSP},
Optab{AMOVB, C_LAUTO, C_NONE, C_NONE, C_REG, 37, 12, REGSP},
Optab{AMOVD, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
Optab{AMOVW, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
Optab{AMOVWZ, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
Optab{AMOVBZ, C_LOREG, C_NONE, C_NONE, C_REG, 36, 8, REGZERO},
Optab{AMOVB, C_LOREG, C_NONE, C_NONE, C_REG, 37, 12, REGZERO},
Optab{AMOVD, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
Optab{AMOVW, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
Optab{AMOVWZ, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
Optab{AMOVBZ, C_ADDR, C_NONE, C_NONE, C_REG, 75, 8, 0},
Optab{AMOVB, C_ADDR, C_NONE, C_NONE, C_REG, 76, 12, 0},
/* load constant */
Optab{AMOVD, C_SECON, C_NONE, C_NONE, C_REG, 3, 4, REGSB},
Optab{AMOVD, C_SACON, C_NONE, C_NONE, C_REG, 3, 4, REGSP},
Optab{AMOVD, C_LECON, C_NONE, C_NONE, C_REG, 26, 8, REGSB},
Optab{AMOVD, C_LACON, C_NONE, C_NONE, C_REG, 26, 8, REGSP},
Optab{AMOVD, C_ADDCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
Optab{AMOVW, C_SECON, C_NONE, C_NONE, C_REG, 3, 4, REGSB}, /* TO DO: check */
Optab{AMOVW, C_SACON, C_NONE, C_NONE, C_REG, 3, 4, REGSP},
Optab{AMOVW, C_LECON, C_NONE, C_NONE, C_REG, 26, 8, REGSB},
Optab{AMOVW, C_LACON, C_NONE, C_NONE, C_REG, 26, 8, REGSP},
Optab{AMOVW, C_ADDCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
Optab{AMOVWZ, C_SECON, C_NONE, C_NONE, C_REG, 3, 4, REGSB}, /* TO DO: check */
Optab{AMOVWZ, C_SACON, C_NONE, C_NONE, C_REG, 3, 4, REGSP},
Optab{AMOVWZ, C_LECON, C_NONE, C_NONE, C_REG, 26, 8, REGSB},
Optab{AMOVWZ, C_LACON, C_NONE, C_NONE, C_REG, 26, 8, REGSP},
Optab{AMOVWZ, C_ADDCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
/* load unsigned/long constants (TO DO: check) */
Optab{AMOVD, C_UCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
Optab{AMOVD, C_LCON, C_NONE, C_NONE, C_REG, 19, 8, 0},
Optab{AMOVW, C_UCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
Optab{AMOVW, C_LCON, C_NONE, C_NONE, C_REG, 19, 8, 0},
Optab{AMOVWZ, C_UCON, C_NONE, C_NONE, C_REG, 3, 4, REGZERO},
Optab{AMOVWZ, C_LCON, C_NONE, C_NONE, C_REG, 19, 8, 0},
Optab{AMOVHBR, C_ZOREG, C_REG, C_NONE, C_REG, 45, 4, 0},
Optab{AMOVHBR, C_ZOREG, C_NONE, C_NONE, C_REG, 45, 4, 0},
Optab{AMOVHBR, C_REG, C_REG, C_NONE, C_ZOREG, 44, 4, 0},
Optab{AMOVHBR, C_REG, C_NONE, C_NONE, C_ZOREG, 44, 4, 0},
Optab{ASYSCALL, C_NONE, C_NONE, C_NONE, C_NONE, 5, 4, 0},
Optab{ASYSCALL, C_REG, C_NONE, C_NONE, C_NONE, 77, 12, 0},
Optab{ASYSCALL, C_SCON, C_NONE, C_NONE, C_NONE, 77, 12, 0},
Optab{ABEQ, C_NONE, C_NONE, C_NONE, C_SBRA, 16, 4, 0},
Optab{ABEQ, C_CREG, C_NONE, C_NONE, C_SBRA, 16, 4, 0},
Optab{ABR, C_NONE, C_NONE, C_NONE, C_LBRA, 11, 4, 0},
Optab{ABC, C_SCON, C_REG, C_NONE, C_SBRA, 16, 4, 0},
Optab{ABC, C_SCON, C_REG, C_NONE, C_LBRA, 17, 4, 0},
Optab{ABR, C_NONE, C_NONE, C_NONE, C_LR, 18, 4, 0},
Optab{ABR, C_NONE, C_NONE, C_NONE, C_CTR, 18, 4, 0},
Optab{ABR, C_REG, C_NONE, C_NONE, C_CTR, 18, 4, 0},
Optab{ABR, C_NONE, C_NONE, C_NONE, C_ZOREG, 15, 8, 0},
Optab{ABC, C_NONE, C_REG, C_NONE, C_LR, 18, 4, 0},
Optab{ABC, C_NONE, C_REG, C_NONE, C_CTR, 18, 4, 0},
Optab{ABC, C_SCON, C_REG, C_NONE, C_LR, 18, 4, 0},
Optab{ABC, C_SCON, C_REG, C_NONE, C_CTR, 18, 4, 0},
Optab{ABC, C_NONE, C_NONE, C_NONE, C_ZOREG, 15, 8, 0},
Optab{AFMOVD, C_SEXT, C_NONE, C_NONE, C_FREG, 8, 4, REGSB},
Optab{AFMOVD, C_SAUTO, C_NONE, C_NONE, C_FREG, 8, 4, REGSP},
Optab{AFMOVD, C_SOREG, C_NONE, C_NONE, C_FREG, 8, 4, REGZERO},
Optab{AFMOVD, C_LEXT, C_NONE, C_NONE, C_FREG, 36, 8, REGSB},
Optab{AFMOVD, C_LAUTO, C_NONE, C_NONE, C_FREG, 36, 8, REGSP},
Optab{AFMOVD, C_LOREG, C_NONE, C_NONE, C_FREG, 36, 8, REGZERO},
Optab{AFMOVD, C_ADDR, C_NONE, C_NONE, C_FREG, 75, 8, 0},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_SEXT, 7, 4, REGSB},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_SAUTO, 7, 4, REGSP},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_SOREG, 7, 4, REGZERO},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_LEXT, 35, 8, REGSB},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_LAUTO, 35, 8, REGSP},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_LOREG, 35, 8, REGZERO},
Optab{AFMOVD, C_FREG, C_NONE, C_NONE, C_ADDR, 74, 8, 0},
Optab{ASYNC, C_NONE, C_NONE, C_NONE, C_NONE, 46, 4, 0},
Optab{AWORD, C_LCON, C_NONE, C_NONE, C_NONE, 40, 4, 0},
Optab{ADWORD, C_LCON, C_NONE, C_NONE, C_NONE, 31, 8, 0},
Optab{ADWORD, C_DCON, C_NONE, C_NONE, C_NONE, 31, 8, 0},
Optab{AADDME, C_REG, C_NONE, C_NONE, C_REG, 47, 4, 0},
Optab{AEXTSB, C_REG, C_NONE, C_NONE, C_REG, 48, 4, 0},
Optab{AEXTSB, C_NONE, C_NONE, C_NONE, C_REG, 48, 4, 0},
Optab{ANEG, C_REG, C_NONE, C_NONE, C_REG, 47, 4, 0},
Optab{ANEG, C_NONE, C_NONE, C_NONE, C_REG, 47, 4, 0},
Optab{AREM, C_REG, C_NONE, C_NONE, C_REG, 50, 12, 0},
Optab{AREM, C_REG, C_REG, C_NONE, C_REG, 50, 12, 0},
Optab{AREMU, C_REG, C_NONE, C_NONE, C_REG, 50, 16, 0},
Optab{AREMU, C_REG, C_REG, C_NONE, C_REG, 50, 16, 0},
Optab{AREMD, C_REG, C_NONE, C_NONE, C_REG, 51, 12, 0},
Optab{AREMD, C_REG, C_REG, C_NONE, C_REG, 51, 12, 0},
Optab{AREMDU, C_REG, C_NONE, C_NONE, C_REG, 51, 12, 0},
Optab{AREMDU, C_REG, C_REG, C_NONE, C_REG, 51, 12, 0},
Optab{AMTFSB0, C_SCON, C_NONE, C_NONE, C_NONE, 52, 4, 0},
Optab{AMOVFL, C_FPSCR, C_NONE, C_NONE, C_FREG, 53, 4, 0},
Optab{AMOVFL, C_FREG, C_NONE, C_NONE, C_FPSCR, 64, 4, 0},
Optab{AMOVFL, C_FREG, C_NONE, C_LCON, C_FPSCR, 64, 4, 0},
Optab{AMOVFL, C_LCON, C_NONE, C_NONE, C_FPSCR, 65, 4, 0},
Optab{AMOVD, C_MSR, C_NONE, C_NONE, C_REG, 54, 4, 0}, /* mfmsr */
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_MSR, 54, 4, 0}, /* mtmsrd */
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_MSR, 54, 4, 0}, /* mtmsr */
/* 64-bit special registers */
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_SPR, 66, 4, 0},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_LR, 66, 4, 0},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_CTR, 66, 4, 0},
Optab{AMOVD, C_REG, C_NONE, C_NONE, C_XER, 66, 4, 0},
Optab{AMOVD, C_SPR, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVD, C_LR, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVD, C_CTR, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVD, C_XER, C_NONE, C_NONE, C_REG, 66, 4, 0},
/* 32-bit special registers (gloss over sign-extension or not?) */
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_SPR, 66, 4, 0},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_CTR, 66, 4, 0},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_XER, 66, 4, 0},
Optab{AMOVW, C_SPR, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVW, C_XER, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_SPR, 66, 4, 0},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_CTR, 66, 4, 0},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_XER, 66, 4, 0},
Optab{AMOVWZ, C_SPR, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVWZ, C_XER, C_NONE, C_NONE, C_REG, 66, 4, 0},
Optab{AMOVFL, C_FPSCR, C_NONE, C_NONE, C_CREG, 73, 4, 0},
Optab{AMOVFL, C_CREG, C_NONE, C_NONE, C_CREG, 67, 4, 0},
Optab{AMOVW, C_CREG, C_NONE, C_NONE, C_REG, 68, 4, 0},
Optab{AMOVWZ, C_CREG, C_NONE, C_NONE, C_REG, 68, 4, 0},
Optab{AMOVFL, C_REG, C_NONE, C_LCON, C_CREG, 69, 4, 0},
Optab{AMOVFL, C_REG, C_NONE, C_NONE, C_CREG, 69, 4, 0},
Optab{AMOVW, C_REG, C_NONE, C_NONE, C_CREG, 69, 4, 0},
Optab{AMOVWZ, C_REG, C_NONE, C_NONE, C_CREG, 69, 4, 0},
Optab{ACMP, C_REG, C_NONE, C_NONE, C_REG, 70, 4, 0},
Optab{ACMP, C_REG, C_REG, C_NONE, C_REG, 70, 4, 0},
Optab{ACMP, C_REG, C_NONE, C_NONE, C_ADDCON, 71, 4, 0},
Optab{ACMP, C_REG, C_REG, C_NONE, C_ADDCON, 71, 4, 0},
Optab{ACMPU, C_REG, C_NONE, C_NONE, C_REG, 70, 4, 0},
Optab{ACMPU, C_REG, C_REG, C_NONE, C_REG, 70, 4, 0},
Optab{ACMPU, C_REG, C_NONE, C_NONE, C_ANDCON, 71, 4, 0},
Optab{ACMPU, C_REG, C_REG, C_NONE, C_ANDCON, 71, 4, 0},
Optab{AFCMPO, C_FREG, C_NONE, C_NONE, C_FREG, 70, 4, 0},
Optab{AFCMPO, C_FREG, C_REG, C_NONE, C_FREG, 70, 4, 0},
Optab{ATW, C_LCON, C_REG, C_NONE, C_REG, 60, 4, 0},
Optab{ATW, C_LCON, C_REG, C_NONE, C_ADDCON, 61, 4, 0},
Optab{ADCBF, C_ZOREG, C_NONE, C_NONE, C_NONE, 43, 4, 0},
Optab{ADCBF, C_ZOREG, C_REG, C_NONE, C_NONE, 43, 4, 0},
Optab{AECOWX, C_REG, C_REG, C_NONE, C_ZOREG, 44, 4, 0},
Optab{AECIWX, C_ZOREG, C_REG, C_NONE, C_REG, 45, 4, 0},
Optab{AECOWX, C_REG, C_NONE, C_NONE, C_ZOREG, 44, 4, 0},
Optab{AECIWX, C_ZOREG, C_NONE, C_NONE, C_REG, 45, 4, 0},
Optab{AEIEIO, C_NONE, C_NONE, C_NONE, C_NONE, 46, 4, 0},
Optab{ATLBIE, C_REG, C_NONE, C_NONE, C_NONE, 49, 4, 0},
Optab{ATLBIE, C_SCON, C_NONE, C_NONE, C_REG, 49, 4, 0},
Optab{ASLBMFEE, C_REG, C_NONE, C_NONE, C_REG, 55, 4, 0},
Optab{ASLBMTE, C_REG, C_NONE, C_NONE, C_REG, 55, 4, 0},
Optab{ASTSW, C_REG, C_NONE, C_NONE, C_ZOREG, 44, 4, 0},
Optab{ASTSW, C_REG, C_NONE, C_LCON, C_ZOREG, 41, 4, 0},
Optab{ALSW, C_ZOREG, C_NONE, C_NONE, C_REG, 45, 4, 0},
Optab{ALSW, C_ZOREG, C_NONE, C_LCON, C_REG, 42, 4, 0},
Optab{obj.AUNDEF, C_NONE, C_NONE, C_NONE, C_NONE, 78, 4, 0},
Optab{obj.AUSEFIELD, C_ADDR, C_NONE, C_NONE, C_NONE, 0, 0, 0},
Optab{obj.APCDATA, C_LCON, C_NONE, C_NONE, C_LCON, 0, 0, 0},
Optab{obj.AFUNCDATA, C_SCON, C_NONE, C_NONE, C_ADDR, 0, 0, 0},
Optab{obj.ANOP, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0},
Optab{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, // same as ABR/ABL
Optab{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_LBRA, 11, 4, 0}, // same as ABR/ABL
Optab{obj.AXXX, C_NONE, C_NONE, C_NONE, C_NONE, 0, 4, 0},
}
type Oprang struct {
start []Optab
stop []Optab
}
var oprange [ALAST & obj.AMask]Oprang
var xcmp [C_NCLASS][C_NCLASS]uint8
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 + 8)
if oprange[AANDN&obj.AMask].start == 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 {
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 {
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.
*/
if ctxt.Tlsg == nil {
ctxt.Tlsg = obj.Linklookup(ctxt, "runtime.tlsg", 0)
}
obj.Symgrow(ctxt, cursym, 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
return C_ADDR
}
return C_LEXT
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 + 8
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.TYPE_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 = s.Value + a.Offset
goto consize
}
ctxt.Instoffset = s.Value + 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 + 8
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:
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:][0]
}
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);
r0 := p.As & obj.AMask
o := oprange[r0].start
if o == nil {
o = oprange[r0].stop /* just generate an error */
}
e := oprange[r0].stop
c1 := xcmp[a1][:]
c3 := xcmp[a3][:]
c4 := xcmp[a4][:]
for ; -cap(o) < -cap(e); o = o[1:] {
if int(o[0].a2) == a2 {
if c1[o[0].a1] != 0 {
if c3[o[0].a3] != 0 {
if c4[o[0].a4] != 0 {
p.Optab = uint16((-cap(o) + cap(optab)) + 1)
return &o[0]
}
}
}
}
}
ctxt.Diag("illegal combination %v %v %v %v %v", obj.Aconv(int(p.As)), DRconv(a1), DRconv(a2), DRconv(a3), DRconv(a4))
prasm(p)
if o == nil {
o = optab
}
return &o[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 int16) {
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] = 1
}
}
}
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
oprange[r0].start = optab[i:]
for optab[i].as == r {
i++
}
oprange[r0].stop = optab[i:]
i--
switch r {
default:
ctxt.Diag("unknown op in build: %v", obj.Aconv(int(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(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)