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| author | Richard Henderson <richard.henderson@linaro.org> | 2025-04-24 18:23:36 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2025-04-28 13:40:15 -0700 |
| commit | a079836005fb92eb1fee19e59654b337a41fd0ff (patch) | |
| tree | 2db4d951280fce958f6379f0f5588968e0d049a2 | |
| parent | 73d29ea2417b58ca55fba1aa468ba38e3607b583 (diff) | |
| download | focaccia-qemu-a079836005fb92eb1fee19e59654b337a41fd0ff.tar.gz focaccia-qemu-a079836005fb92eb1fee19e59654b337a41fd0ff.zip | |
tcg/loongarch64: Fix vec_val computation in tcg_target_const_match
Only use vece for a vector constant. This avoids an assertion failure in sextract64 when vece contains garbage. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/loongarch64/tcg-target.c.inc | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc index cbd7642b58..740b7c264d 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -211,12 +211,14 @@ static bool tcg_target_const_match(int64_t val, int ct, if ((ct & TCG_CT_CONST_WSZ) && val == (type == TCG_TYPE_I32 ? 32 : 64)) { return true; } - int64_t vec_val = sextract64(val, 0, 8 << vece); - if ((ct & TCG_CT_CONST_VCMP) && -0x10 <= vec_val && vec_val <= 0x1f) { - return true; - } - if ((ct & TCG_CT_CONST_VADD) && -0x1f <= vec_val && vec_val <= 0x1f) { - return true; + if (ct & (TCG_CT_CONST_VCMP | TCG_CT_CONST_VADD)) { + int64_t vec_val = sextract64(val, 0, 8 << vece); + if ((ct & TCG_CT_CONST_VCMP) && -0x10 <= vec_val && vec_val <= 0x1f) { + return true; + } + if ((ct & TCG_CT_CONST_VADD) && -0x1f <= vec_val && vec_val <= 0x1f) { + return true; + } } return false; } |