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[dev.ssa] cmd/compile: implement genValue for MOVQstoreidx8

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Change-Id: I6b13a26e01ef8739ed60e6fd5f5c1ea045bea581
Reviewed-on: https://go-review.googlesource.com/12793
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2015-07-27 16:36:36 -07:00
parent 67df7934cc
commit 3e3d162f50
3 changed files with 22 additions and 12 deletions
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9
src/cmd/compile/internal/gc/ssa.go
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@ -1749,6 +1749,15 @@ func genValue(v *ssa.Value) {
p.To.Type = obj.TYPE_MEM
p.To.Reg = regnum(v.Args[0])
addAux(&p.To, v)
case ssa.OpAMD64MOVQstoreidx8:
p := Prog(x86.AMOVQ)
p.From.Type = obj.TYPE_REG
p.From.Reg = regnum(v.Args[2])
p.To.Type = obj.TYPE_MEM
p.To.Reg = regnum(v.Args[0])
p.To.Scale = 8
p.To.Index = regnum(v.Args[1])
addAux(&p.To, v)
case ssa.OpAMD64MOVLQSX, ssa.OpAMD64MOVWQSX, ssa.OpAMD64MOVBQSX, ssa.OpAMD64MOVLQZX, ssa.OpAMD64MOVWQZX, ssa.OpAMD64MOVBQZX:
p := Prog(v.Op.Asm())
p.From.Type = obj.TYPE_REG

2
src/cmd/compile/internal/ssa/gen/AMD64Ops.go
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@ -156,7 +156,7 @@ func init() {
{name: "MOVWstore", reg: gpstore, asm: "MOVW"}, // store 2 bytes in arg1 to arg0+auxint. arg2=mem
{name: "MOVLstore", reg: gpstore, asm: "MOVL"}, // store 4 bytes in arg1 to arg0+auxint. arg2=mem
{name: "MOVQstore", reg: gpstore, asm: "MOVQ"}, // store 8 bytes in arg1 to arg0+auxint. arg2=mem
{name: "MOVQstoreidx8", reg: gpstoreidx}, // store 8 bytes in arg2 to arg0+8*arg1+auxint. arg3=mem
{name: "MOVQstoreidx8", reg: gpstoreidx, asm: "MOVQ"}, // store 8 bytes in arg2 to arg0+8*arg1+auxint. arg3=mem
{name: "MOVXzero", reg: gpstoreconst}, // store auxint 0 bytes into arg0 using a series of MOV instructions. arg1=mem.
// TODO: implement this when register clobbering works

1
src/cmd/compile/internal/ssa/opGen.go
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@ -890,6 +890,7 @@ var opcodeTable = [...]opInfo{
},
{
name: "MOVQstoreidx8",
asm: x86.AMOVQ,
reg: regInfo{
inputs: []regMask{
4295032831, // .AX .CX .DX .BX .SP .BP .SI .DI .R8 .R9 .R10 .R11 .R12 .R13 .R14 .R15 .SB