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| author | Richard Henderson <rth@twiddle.net> | 2012-09-21 17:18:11 -0700 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2012-09-26 00:31:16 +0200 |
| commit | d81ada7fa43e588a24856da4bfcdcac020d8e25b (patch) | |
| tree | 3751c8cfad2b4bf25dea656587cbeeb69abf28b9 /tcg/tcg-op.h | |
| parent | 42ce3e2015b26df591e1d4c5aa1814fb8c45c36c (diff) | |
| download | qemu-d81ada7fa43e588a24856da4bfcdcac020d8e25b.zip qemu-d81ada7fa43e588a24856da4bfcdcac020d8e25b.tar.gz qemu-d81ada7fa43e588a24856da4bfcdcac020d8e25b.tar.bz2 | |
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>
Diffstat (limited to 'tcg/tcg-op.h')
| -rw-r--r-- | tcg/tcg-op.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h index c8633ff..fd16499 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) |