diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-04-05 18:37:25 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-05-02 13:05:45 -0700 |
| commit | 341ac0a05509de103f26e8819b5fecea887f5413 (patch) | |
| tree | 282608ce6fed12d73c767d18330aadc1d3ad14e6 /tcg/loongarch64 | |
| parent | 2899062614ab68ffcd034909b5ea993d8403d6d6 (diff) | |
tcg/loongarch64: Conditionalize tcg_out_exts_i32_i64
Since TCG_TYPE_I32 values are kept sign-extended in registers,
via ".w" instructions, we need not extend if the register matches.
This is already relied upon by comparisons.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/loongarch64')
| -rw-r--r-- | tcg/loongarch64/tcg-target.c.inc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index 21c2fc9e98..0940788c6f 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -463,7 +463,9 @@ static void tcg_out_ext32s(TCGContext *s, TCGReg ret, TCGReg arg) static void tcg_out_exts_i32_i64(TCGContext *s, TCGReg ret, TCGReg arg) { - tcg_out_ext32s(s, ret, arg); + if (ret != arg) { + tcg_out_ext32s(s, ret, arg); + } } static void tcg_out_extu_i32_i64(TCGContext *s, TCGReg ret, TCGReg arg) |