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[dev.ssa] cmd/compile: add store constant indexed operations

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Change-Id: Ifb8eba1929c79ee7a8cae2191613c55a3b8f74e5
Reviewed-on: https://go-review.googlesource.com/19236
Reviewed-by: Todd Neal <todd@tneal.org>
This commit is contained in:
Keith Randall 2016-02-04 15:53:33 -08:00
parent a0da2d242c
commit a6fb514bf8
5 changed files with 423 additions and 3 deletions
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12
src/cmd/compile/internal/ssa/gen/AMD64Ops.go
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@ -115,9 +115,10 @@ func init() {
gpload = regInfo{inputs: []regMask{gpspsb, 0}, outputs: gponly}
gploadidx = regInfo{inputs: []regMask{gpspsb, gpsp, 0}, outputs: gponly}
gpstore = regInfo{inputs: []regMask{gpspsb, gpsp, 0}}
gpstoreconst = regInfo{inputs: []regMask{gpspsb, 0}}
gpstoreidx = regInfo{inputs: []regMask{gpspsb, gpsp, gpsp, 0}}
gpstore = regInfo{inputs: []regMask{gpspsb, gpsp, 0}}
gpstoreconst = regInfo{inputs: []regMask{gpspsb, 0}}
gpstoreidx = regInfo{inputs: []regMask{gpspsb, gpsp, gpsp, 0}}
gpstoreconstidx = regInfo{inputs: []regMask{gpspsb, gpsp, 0}}
fp01 = regInfo{inputs: []regMask{}, outputs: fponly}
fp21 = regInfo{inputs: []regMask{fp, fp}, outputs: fponly}
@ -402,6 +403,11 @@ func init() {
{name: "MOVLstoreconst", reg: gpstoreconst, asm: "MOVL", aux: "SymValAndOff", typ: "Mem"}, // store low 4 bytes of ...
{name: "MOVQstoreconst", reg: gpstoreconst, asm: "MOVQ", aux: "SymValAndOff", typ: "Mem"}, // store 8 bytes of ...
{name: "MOVBstoreconstidx1", reg: gpstoreconstidx, asm: "MOVB", aux: "SymValAndOff", typ: "Mem"}, // store low byte of ValAndOff(AuxInt).Val() to arg0+1*arg1+ValAndOff(AuxInt).Off()+aux. arg2=mem
{name: "MOVWstoreconstidx2", reg: gpstoreconstidx, asm: "MOVW", aux: "SymValAndOff", typ: "Mem"}, // store low 2 bytes of ... 2*arg1 ...
{name: "MOVLstoreconstidx4", reg: gpstoreconstidx, asm: "MOVL", aux: "SymValAndOff", typ: "Mem"}, // store low 4 bytes of ... 4*arg1 ...
{name: "MOVQstoreconstidx8", reg: gpstoreconstidx, asm: "MOVQ", aux: "SymValAndOff", typ: "Mem"}, // store 8 bytes of ... 8*arg1 ...
// arg0 = (duff-adjusted) pointer to start of memory to zero
// arg1 = value to store (will always be zero)
// arg2 = mem