[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] tcg/optimize: Handle or r, a, a with constant a
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH] tcg/optimize: Handle or r, a, a with constant a |
Date: |
Fri, 13 Mar 2015 12:26:57 -0700 |
As seen with ubuntu-5.10-live-powerpc.iso.
Reported-by: Mark Cave-Ayland <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/optimize.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 067917c..37c1110 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -980,8 +980,11 @@ static void tcg_constant_folding(TCGContext *s)
if (temps_are_copies(args[1], args[2])) {
if (temps_are_copies(args[0], args[1])) {
tcg_op_remove(s, op);
- } else {
+ } else if (temps[args[1]].state != TCG_TEMP_CONST) {
tcg_opt_gen_mov(s, op, args, opc, args[0], args[1]);
+ } else {
+ tcg_opt_gen_movi(s, op, args, opc,
+ args[0], temps[args[1]].val);
}
continue;
}
--
2.1.0
- [Qemu-devel] [PATCH] tcg/optimize: Handle or r, a, a with constant a,
Richard Henderson <=