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cmd/internal/obj/arm: cleanup some unnecessary temps and conversions

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Change-Id: I573278c9aee80e62463b2542774dabeec7c3b098
Reviewed-on: https://go-review.googlesource.com/29969
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Matthew Dempsky 2016-09-29 11:00:47 -07:00
parent 985d3d307c
commit 518cc7f307
1 changed files with 15 additions and 22 deletions
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37
src/cmd/internal/obj/arm/asm5.go
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@ -1026,16 +1026,15 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
case obj.NAME_AUTO:
ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset
t := int(immaddr(int32(ctxt.Instoffset)))
if t != 0 {
if t := immaddr(int32(ctxt.Instoffset)); t != 0 {
if immhalf(int32(ctxt.Instoffset)) {
if immfloat(int32(t)) {
if immfloat(t) {
return C_HFAUTO
}
return C_HAUTO
}
if immfloat(int32(t)) {
if immfloat(t) {
return C_FAUTO
}
return C_SAUTO
@ -1045,16 +1044,15 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
case obj.NAME_PARAM:
ctxt.Instoffset = int64(ctxt.Autosize) + a.Offset + 4
t := int(immaddr(int32(ctxt.Instoffset)))
if t != 0 {
if t := immaddr(int32(ctxt.Instoffset)); t != 0 {
if immhalf(int32(ctxt.Instoffset)) {
if immfloat(int32(t)) {
if immfloat(t) {
return C_HFAUTO
}
return C_HAUTO
}
if immfloat(int32(t)) {
if immfloat(t) {
return C_FAUTO
}
return C_SAUTO
@ -1064,20 +1062,18 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
case obj.NAME_NONE:
ctxt.Instoffset = a.Offset
t := int(immaddr(int32(ctxt.Instoffset)))
if t != 0 {
if t := immaddr(int32(ctxt.Instoffset)); t != 0 {
if immhalf(int32(ctxt.Instoffset)) { /* n.b. that it will also satisfy immrot */
if immfloat(int32(t)) {
if immfloat(t) {
return C_HFOREG
}
return C_HOREG
}
if immfloat(int32(t)) {
if immfloat(t) {
return C_FOREG /* n.b. that it will also satisfy immrot */
}
t := int(immrot(uint32(ctxt.Instoffset)))
if t != 0 {
if immrot(uint32(ctxt.Instoffset)) != 0 {
return C_SROREG
}
if immhalf(int32(ctxt.Instoffset)) {
@ -1086,8 +1082,7 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
return C_SOREG
}
t = int(immrot(uint32(ctxt.Instoffset)))
if t != 0 {
if immrot(uint32(ctxt.Instoffset)) != 0 {
return C_ROREG
}
return C_LOREG
@ -1116,12 +1111,10 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
return aconsize(ctxt)
}
t := int(immrot(uint32(ctxt.Instoffset)))
if t != 0 {
if immrot(uint32(ctxt.Instoffset)) != 0 {
return C_RCON
}
t = int(immrot(^uint32(ctxt.Instoffset)))
if t != 0 {
if immrot(^uint32(ctxt.Instoffset)) != 0 {
return C_NCON
}
return C_LCON
@ -1155,10 +1148,10 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
}
func aconsize(ctxt *obj.Link) int {
if t := int(immrot(uint32(ctxt.Instoffset))); t != 0 {
if immrot(uint32(ctxt.Instoffset)) != 0 {
return C_RACON
}
if t := int(immrot(uint32(-ctxt.Instoffset))); t != 0 {
if immrot(uint32(-ctxt.Instoffset)) != 0 {
return C_RACON
}
return C_LACON