From: Keith Randall <khr@golang.org>
Date: Wed, 15 Dec 2021 23:59:43 +0000 (-0800)
Subject: cmd/compile: use bool->uint8 op instead of copy
X-Git-Tag: go1.19beta1~1216
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=620a3c0596a2c0dd04964c3655e4f631fb85c0bb;p=gostls13.git

cmd/compile: use bool->uint8 op instead of copy

Just a cleanup to make sure that generic SSA is properly typed.

Change-Id: Ie75fa972ae4e5fdaca535968769bca36044191c9
Reviewed-on: https://go-review.googlesource.com/c/go/+/372574
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
---

diff --git a/src/cmd/compile/internal/ssagen/ssa.go b/src/cmd/compile/internal/ssagen/ssa.go
index 364e0c8197..60747d93ca 100644
--- a/src/cmd/compile/internal/ssagen/ssa.go
+++ b/src/cmd/compile/internal/ssagen/ssa.go
@@ -2382,7 +2382,7 @@ func (s *state) ssaShiftOp(op ir.Op, t *types.Type, u *types.Type) ssa.Op {
 func (s *state) conv(n ir.Node, v *ssa.Value, ft, tt *types.Type) *ssa.Value {
 	if ft.IsBoolean() && tt.IsKind(types.TUINT8) {
 		// Bool -> uint8 is generated internally when indexing into runtime.staticbyte.
-		return s.newValue1(ssa.OpCopy, tt, v)
+		return s.newValue1(ssa.OpCvtBoolToUint8, tt, v)
 	}
 	if ft.IsInteger() && tt.IsInteger() {
 		var op ssa.Op