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[dev.ssa] cmd/compile: enhance SSA filtering, add OpConvert

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Modified GOSSA{HASH.PKG} environment variable filters to
make it easier to make/run with all SSA for testing.
Disable attempts at SSA for architectures that are not
amd64 (avoid spurious errors/unimplementeds.)

Removed easy out for unimplemented features.

Add convert op for proper liveness in presence of uintptr
to/from unsafe.Pointer conversions.

Tweaked stack sizes to get a pass on windows;
1024 instead 768, was observed to pass at least once.

Change-Id: Ida3800afcda67d529e3b1cf48ca4a3f0fa48b2c5
Reviewed-on: https://go-review.googlesource.com/16201
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: David Chase <drchase@google.com>
This commit is contained in:
David Chase 2015-10-19 11:36:07 -04:00
parent 3abb844108
commit e99dd52066
12 changed files with 105 additions and 43 deletions
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3
src/cmd/internal/obj/util.go
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@ -385,6 +385,9 @@ func Dconv(p *Prog, a *Addr) string {
if a.Index != REG_NONE {
str += fmt.Sprintf("(%v*%d)", Rconv(int(a.Index)), int(a.Scale))
}
if p.As == ATYPE && a.Gotype != nil {
str += fmt.Sprintf("%s", a.Gotype.Name)
}
case TYPE_CONST:
if a.Reg != 0 {