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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 18/56] tcg/optimize: Use a boolean to avoid a mass of continues
Date: Wed, 27 Oct 2021 19:40:53 -0700
Message-Id: <20211028024131.1492790-19-richard.henderson@linaro.org>
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Cc: Luis Pires <luis.pires@eldorado.org.br>,
=?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
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Reviewed-by: Alex Benn=C3=A9e <alex.bennee@linaro.org>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 368457f4a2..699476e2f1 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -713,6 +713,7 @@ void tcg_optimize(TCGContext *s)
uint64_t z_mask, partmask, affected, tmp;
TCGOpcode opc =3D op->opc;
const TCGOpDef *def;
+ bool done =3D false;
=20
/* Calls are special. */
if (opc =3D=3D INDEX_op_call) {
@@ -1212,8 +1213,8 @@ void tcg_optimize(TCGContext *s)
allocator where needed and possible. Also detect copies. */
switch (opc) {
CASE_OP_32_64_VEC(mov):
- tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]);
- continue;
+ done =3D tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]);
+ break;
=20
case INDEX_op_dup_vec:
if (arg_is_const(op->args[1])) {
@@ -1602,7 +1603,9 @@ void tcg_optimize(TCGContext *s)
break;
}
=20
- finish_folding(&ctx, op);
+ if (!done) {
+ finish_folding(&ctx, op);
+ }
=20
/* Eliminate duplicate and redundant fence instructions. */
if (ctx.prev_mb) {
--=20
2.25.1