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cmd/internal/obj: eliminate Link.Asmode

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Asmode is always set to p.Mode,
which is always set based on the arch family.
Instead, use the arch family directly.

Passes toolstash-check -all.

Change-Id: Id982472dcc8eeb6dd22cac5ad2f116b54a44caee
Reviewed-on: https://go-review.googlesource.com/38451
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Josh Bleecher Snyder 2017-03-22 10:17:46 -07:00
parent a470e5d4b8
commit cfb3c8df62
2 changed files with 5 additions and 8 deletions
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1
src/cmd/internal/obj/link.go
View File

@ -740,7 +740,6 @@ type Link struct {
Rep int
Repn int
Lock int
Asmode int
AsmBuf AsmBuf // instruction buffer for x86
Instoffset int64
Autosize int32

12
src/cmd/internal/obj/x86/asm6.go
View File

@ -2254,7 +2254,7 @@ func oclass(ctxt *obj.Link, p *obj.Prog, a *obj.Addr) int {
// Can't use SP as the index register
return Yxxx
}
if ctxt.Asmode == 64 {
if ctxt.Arch.Family == sys.AMD64 {
switch a.Name {
case obj.NAME_EXTERN, obj.NAME_STATIC, obj.NAME_GOTREF:
// Global variables can't use index registers and their
@ -2379,7 +2379,7 @@ func oclass(ctxt *obj.Link, p *obj.Prog, a *obj.Addr) int {
REG_R13B,
REG_R14B,
REG_R15B:
if ctxt.Asmode != 64 {
if ctxt.Arch.Family == sys.I386 {
return Yxxx
}
fallthrough
@ -2409,7 +2409,7 @@ func oclass(ctxt *obj.Link, p *obj.Prog, a *obj.Addr) int {
REG_R13,
REG_R14,
REG_R15:
if ctxt.Asmode != 64 {
if ctxt.Arch.Family == sys.I386 {
return Yxxx
}
fallthrough
@ -2580,7 +2580,7 @@ func asmidx(ctxt *obj.Link, scale int, index int, base int) {
REG_R13,
REG_R14,
REG_R15:
if ctxt.Asmode != 64 {
if ctxt.Arch.Family == sys.I386 {
goto bad
}
fallthrough
@ -2628,7 +2628,7 @@ bas:
REG_R13,
REG_R14,
REG_R15:
if ctxt.Asmode != 64 {
if ctxt.Arch.Family == sys.I386 {
goto bad
}
fallthrough
@ -4359,7 +4359,6 @@ func nacltrunc(ctxt *obj.Link, reg int) {
func asmins(ctxt *obj.Link, p *obj.Prog) {
ctxt.AsmBuf.Reset()
ctxt.Asmode = int(p.Mode)
if ctxt.Headtype == obj.Hnacl && p.Mode == 32 {
switch p.As {
@ -4462,7 +4461,6 @@ func asmins(ctxt *obj.Link, p *obj.Prog) {
ctxt.Rexflag = 0
ctxt.Vexflag = 0
mark := ctxt.AsmBuf.Len()
ctxt.Asmode = int(p.Mode)
doasm(ctxt, p)
if ctxt.Rexflag != 0 && ctxt.Vexflag == 0 {
/*