From: Wayne Zuo <wdvxdr1123@gmail.com>
Date: Sun, 27 Mar 2022 07:12:39 +0000 (+0800)
Subject: cmd/compile: clean up arm64 32bit pointer in Reverse
X-Git-Tag: go1.19beta1~839
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=40504892c1720a3a36d82c492fd2302b7ccb870a;p=gostls13.git

cmd/compile: clean up arm64 32bit pointer in Reverse

Change-Id: I0751270c0f656a501b389f2e2bb0e959d6f5a0e6
Reviewed-on: https://go-review.googlesource.com/c/go/+/396054
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Trust: Ian Lance Taylor <iant@golang.org>
---

diff --git a/src/cmd/compile/internal/ssagen/ssa.go b/src/cmd/compile/internal/ssagen/ssa.go
index a214a1e8f9..883772b341 100644
--- a/src/cmd/compile/internal/ssagen/ssa.go
+++ b/src/cmd/compile/internal/ssagen/ssa.go
@@ -4496,9 +4496,6 @@ func InitTables() {
 		sys.ARM64)
 	addF("math/bits", "Reverse",
 		func(s *state, n *ir.CallExpr, args []*ssa.Value) *ssa.Value {
-			if s.config.PtrSize == 4 {
-				return s.newValue1(ssa.OpBitRev32, types.Types[types.TINT], args[0])
-			}
 			return s.newValue1(ssa.OpBitRev64, types.Types[types.TINT], args[0])
 		},
 		sys.ARM64)