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| author | Josh Bleecher Snyder <josharian@gmail.com> | 2020-01-23 14:28:40 -0800 |
|---|---|---|
| committer | Josh Bleecher Snyder <josharian@gmail.com> | 2020-02-25 00:34:32 +0000 |
| commit | 5abab1da2c619815937f20ae2dba1e42196bca75 (patch) | |
| tree | 00b39bd701e4b0bc3520746a5e2feed1f23838fc /src | |
| parent | 088aad5ff65120587aaba2f63aba5cbc41a6b258 (diff) | |
| download | go-5abab1da2c619815937f20ae2dba1e42196bca75.tar.xz | |
cmd/compile: use ellipses in dec64 rules
Passes toolstash-check -all.
Change-Id: I1b56c3b00e7fb7875165b337a93d5fce158b9df0
Reviewed-on: https://go-review.googlesource.com/c/go/+/217010
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/dec64.rules | 2 | ||||
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewritedec64.go | 14 |
2 files changed, 3 insertions, 13 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/dec64.rules b/src/cmd/compile/internal/ssa/gen/dec64.rules index 874ee47154..edbe72189e 100644 --- a/src/cmd/compile/internal/ssa/gen/dec64.rules +++ b/src/cmd/compile/internal/ssa/gen/dec64.rules @@ -110,7 +110,7 @@ // Sadly, just because we know that x is non-zero, // we don't know whether either component is, // so just treat Ctz64NonZero the same as Ctz64. -(Ctz64NonZero x) -> (Ctz64 x) +(Ctz64NonZero ...) -> (Ctz64 ...) (Ctz64 x) -> (Add32 <typ.UInt32> diff --git a/src/cmd/compile/internal/ssa/rewritedec64.go b/src/cmd/compile/internal/ssa/rewritedec64.go index 9059904d54..ae6d19142f 100644 --- a/src/cmd/compile/internal/ssa/rewritedec64.go +++ b/src/cmd/compile/internal/ssa/rewritedec64.go @@ -24,7 +24,8 @@ func rewriteValuedec64(v *Value) bool { case OpCtz64: return rewriteValuedec64_OpCtz64(v) case OpCtz64NonZero: - return rewriteValuedec64_OpCtz64NonZero(v) + v.Op = OpCtz64 + return true case OpEq64: return rewriteValuedec64_OpEq64(v) case OpGeq64: @@ -431,17 +432,6 @@ func rewriteValuedec64_OpCtz64(v *Value) bool { return true } } -func rewriteValuedec64_OpCtz64NonZero(v *Value) bool { - v_0 := v.Args[0] - // match: (Ctz64NonZero x) - // result: (Ctz64 x) - for { - x := v_0 - v.reset(OpCtz64) - v.AddArg(x) - return true - } -} func rewriteValuedec64_OpEq64(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] |