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cmd/internal/obj: convert fields of LSym from uint8 to bool

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No performance regression measurable:

name      old time/op    new time/op    delta
Template     432ms ± 3%     422ms ± 2%  -2.34%   (p=0.010 n=10+9)
GoTypes      1.46s ± 1%     1.46s ± 1%    ~     (p=0.796 n=10+10)
Compiler     7.15s ± 1%     7.14s ± 1%    ~      (p=0.447 n=10+9)

Change-Id: I21b93cb989017b6fec2215de2423d87f25cf538c
Reviewed-on: https://go-review.googlesource.com/21220
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Marvin Stenger 2016-03-28 11:34:37 +02:00 • committed by David Crawshaw
parent 8eec2bbfbc
commit 2326c24cc7
8 changed files with 54 additions and 42 deletions
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6
src/cmd/internal/obj/arm/obj5.go
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@ -367,7 +367,7 @@ func preprocess(ctxt *obj.Link, cursym *obj.LSym) {
}
if cursym.Text.Mark&LEAF != 0 {
cursym.Leaf = 1
cursym.Leaf = true
if autosize == 0 {
break
}
@ -709,7 +709,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32) *obj.Prog {
p.From.Type = obj.TYPE_MEM
p.From.Reg = REGG
p.From.Offset = 2 * int64(ctxt.Arch.Ptrsize) // G.stackguard0
if ctxt.Cursym.Cfunc != 0 {
if ctxt.Cursym.Cfunc {
p.From.Offset = 3 * int64(ctxt.Arch.Ptrsize) // G.stackguard1
}
p.To.Type = obj.TYPE_REG
@ -822,7 +822,7 @@ func stacksplit(ctxt *obj.Link, p *obj.Prog, framesize int32) *obj.Prog {
call.To.Type = obj.TYPE_BRANCH
morestack := "runtime.morestack"
switch {
case ctxt.Cursym.Cfunc != 0:
case ctxt.Cursym.Cfunc:
morestack = "runtime.morestackc"
case ctxt.Cursym.Text.From3.Offset&obj.NEEDCTXT == 0:
morestack = "runtime.morestack_noctxt"