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cmd/compile: intrinsify runtime/internal/sys.Ctz{32,64} on ppc64 

These functions are identical to math/bits.TrailingZeros{32,64}, which
are already intrinsified on ppc64.

Change-Id: If7ee57e7afe53154874f4b66bacdb6237806128a
Reviewed-on: https://go-review.googlesource.com/70350
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 2017-10-12 11:45:35 -07:00
parent 56dec8dde2
commit 53bbddd527
1 changed files with 2 additions and 2 deletions
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4
src/cmd/compile/internal/gc/ssa.go
View File

@ -2652,12 +2652,12 @@ func init() {
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCtz32, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS)
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
addF("runtime/internal/sys", "Ctz64",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpCtz64, types.Types[TINT], args[0])
},
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS)
sys.AMD64, sys.ARM64, sys.ARM, sys.S390X, sys.MIPS, sys.PPC64)
addF("runtime/internal/sys", "Bswap32",
func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
return s.newValue1(ssa.OpBswap32, types.Types[TUINT32], args[0])