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authorRichard Henderson <rth@twiddle.net>2012-09-21 17:18:11 -0700
committerAurelien Jarno <aurelien@aurel32.net>2012-09-26 00:31:16 +0200
commitd81ada7fa43e588a24856da4bfcdcac020d8e25b (patch)
tree3751c8cfad2b4bf25dea656587cbeeb69abf28b9
parent42ce3e2015b26df591e1d4c5aa1814fb8c45c36c (diff)
downloadqemu-arm-d81ada7fa43e588a24856da4bfcdcac020d8e25b.tar.gz
tcg: Optimize initial inputs for ori_i64
Copy the same optimizations from ori_i32. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
-rw-r--r--tcg/tcg-op.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index c8633ffd78..fd1649996c 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -559,9 +559,9 @@ static inline void tcg_gen_or_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
static inline void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
{
- /* some cases can be optimized here */
- if (arg2 == 0xffffffff) {
- tcg_gen_movi_i32(ret, 0xffffffff);
+ /* Some cases can be optimized here. */
+ if (arg2 == -1) {
+ tcg_gen_movi_i32(ret, -1);
} else if (arg2 == 0) {
tcg_gen_mov_i32(ret, arg1);
} else {
@@ -1183,9 +1183,16 @@ static inline void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
static inline void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
{
- TCGv_i64 t0 = tcg_const_i64(arg2);
- tcg_gen_or_i64(ret, arg1, t0);
- tcg_temp_free_i64(t0);
+ /* Some cases can be optimized here. */
+ if (arg2 == -1) {
+ tcg_gen_movi_i64(ret, -1);
+ } else if (arg2 == 0) {
+ tcg_gen_mov_i64(ret, arg1);
+ } else {
+ TCGv_i64 t0 = tcg_const_i64(arg2);
+ tcg_gen_or_i64(ret, arg1, t0);
+ tcg_temp_free_i64(t0);
+ }
}
static inline void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)