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[dev.ssa] cmd/compile/internal/gc: generate TESTQ instruction

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TESTQ is produced by the IsNonNil lowering.

Change-Id: I9df8f17e6def7e34d07e3ddf2dd5dd8f0406aa04
Reviewed-on: https://go-review.googlesource.com/11053
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Michael Matloob 2015-06-13 10:22:21 -07:00 committed by Michael Matloob
parent 2efdaefdb0
commit 47791c1a18
1 changed files with 6 additions and 0 deletions
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6
src/cmd/compile/internal/gc/ssa.go
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@ -962,6 +962,12 @@ func genValue(v *ssa.Value) {
p.From.Reg = regnum(v.Args[0])
p.To.Type = obj.TYPE_REG
p.To.Reg = regnum(v.Args[1])
case ssa.OpAMD64TESTQ:
p := Prog(x86.ATESTQ)
p.From.Type = obj.TYPE_REG
p.From.Reg = regnum(v.Args[0])
p.To.Type = obj.TYPE_REG
p.To.Reg = regnum(v.Args[1])
case ssa.OpAMD64MOVQconst:
x := regnum(v)
p := Prog(x86.AMOVQ)