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cmd/compile: replace int32(a.Off()) calls with a.Off32()

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Change-Id: Ib833954e8400a63624359a81f5196ca9080199a3
Reviewed-on: https://go-review.googlesource.com/c/go/+/266081
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Alberto Donizetti 2020-10-29 12:03:18 +01:00
parent 676ad56095
commit 1af388f1c0
2 changed files with 24 additions and 24 deletions
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16
src/cmd/compile/internal/ssa/gen/386.rules
View File

@ -993,49 +993,49 @@
&& x.Uses == 1
&& a.Off() + 1 == c.Off()
&& clobber(x)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p mem)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p mem)
(MOVBstoreconst [a] {s} p x:(MOVBstoreconst [c] {s} p mem))
&& x.Uses == 1
&& a.Off() + 1 == c.Off()
&& clobber(x)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p mem)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p mem)
(MOVBstoreconst [c] {s} p1 x:(MOVBstoreconst [a] {s} p0 mem))
&& x.Uses == 1
&& a.Off() == c.Off()
&& sequentialAddresses(p0, p1, 1)
&& clobber(x)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p0 mem)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p0 mem)
(MOVBstoreconst [a] {s} p0 x:(MOVBstoreconst [c] {s} p1 mem))
&& x.Uses == 1
&& a.Off() == c.Off()
&& sequentialAddresses(p0, p1, 1)
&& clobber(x)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p0 mem)
=> (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p0 mem)
(MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
&& x.Uses == 1
&& a.Off() + 2 == c.Off()
&& clobber(x)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p mem)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p mem)
(MOVWstoreconst [a] {s} p x:(MOVWstoreconst [c] {s} p mem))
&& x.Uses == 1
&& ValAndOff(a).Off() + 2 == ValAndOff(c).Off()
&& clobber(x)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p mem)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p mem)
(MOVWstoreconst [c] {s} p1 x:(MOVWstoreconst [a] {s} p0 mem))
&& x.Uses == 1
&& a.Off() == c.Off()
&& sequentialAddresses(p0, p1, 2)
&& clobber(x)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p0 mem)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p0 mem)
(MOVWstoreconst [a] {s} p0 x:(MOVWstoreconst [c] {s} p1 mem))
&& x.Uses == 1
&& a.Off() == c.Off()
&& sequentialAddresses(p0, p1, 2)
&& clobber(x)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p0 mem)
=> (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p0 mem)
// Combine stores into larger (unaligned) stores.
(MOVBstore [i] {s} p (SHR(W|L)const [8] w) x:(MOVBstore [i-1] {s} p w mem))

32
src/cmd/compile/internal/ssa/rewrite386.go
View File

@ -4074,7 +4074,7 @@ func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
}
// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
// cond: x.Uses == 1 && a.Off() + 1 == c.Off() && clobber(x)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p mem)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p mem)
for {
c := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -4092,14 +4092,14 @@ func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVWstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p, mem)
return true
}
// match: (MOVBstoreconst [a] {s} p x:(MOVBstoreconst [c] {s} p mem))
// cond: x.Uses == 1 && a.Off() + 1 == c.Off() && clobber(x)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p mem)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p mem)
for {
a := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -4117,14 +4117,14 @@ func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVWstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p, mem)
return true
}
// match: (MOVBstoreconst [c] {s} p1 x:(MOVBstoreconst [a] {s} p0 mem))
// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 1) && clobber(x)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p0 mem)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p0 mem)
for {
c := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -4143,14 +4143,14 @@ func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVWstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p0, mem)
return true
}
// match: (MOVBstoreconst [a] {s} p0 x:(MOVBstoreconst [c] {s} p1 mem))
// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 1) && clobber(x)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), int32(a.Off()))] {s} p0 mem)
// result: (MOVWstoreconst [makeValAndOff32(int32(a.Val()&0xff | c.Val()<<8), a.Off32())] {s} p0 mem)
for {
a := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -4169,7 +4169,7 @@ func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVWstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xff|c.Val()<<8), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p0, mem)
return true
@ -5474,7 +5474,7 @@ func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
}
// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
// cond: x.Uses == 1 && a.Off() + 2 == c.Off() && clobber(x)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p mem)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p mem)
for {
c := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -5492,14 +5492,14 @@ func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVLstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p, mem)
return true
}
// match: (MOVWstoreconst [a] {s} p x:(MOVWstoreconst [c] {s} p mem))
// cond: x.Uses == 1 && ValAndOff(a).Off() + 2 == ValAndOff(c).Off() && clobber(x)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p mem)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p mem)
for {
a := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -5517,14 +5517,14 @@ func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVLstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p, mem)
return true
}
// match: (MOVWstoreconst [c] {s} p1 x:(MOVWstoreconst [a] {s} p0 mem))
// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 2) && clobber(x)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p0 mem)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p0 mem)
for {
c := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -5543,14 +5543,14 @@ func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVLstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p0, mem)
return true
}
// match: (MOVWstoreconst [a] {s} p0 x:(MOVWstoreconst [c] {s} p1 mem))
// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 2) && clobber(x)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), int32(a.Off()))] {s} p0 mem)
// result: (MOVLstoreconst [makeValAndOff32(int32(a.Val()&0xffff | c.Val()<<16), a.Off32())] {s} p0 mem)
for {
a := auxIntToValAndOff(v.AuxInt)
s := auxToSym(v.Aux)
@ -5569,7 +5569,7 @@ func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
break
}
v.reset(Op386MOVLstoreconst)
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), int32(a.Off())))
v.AuxInt = valAndOffToAuxInt(makeValAndOff32(int32(a.Val()&0xffff|c.Val()<<16), a.Off32()))
v.Aux = symToAux(s)
v.AddArg2(p0, mem)
return true