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tcg/loongarch64: Fix vec_val computation in tcg_target_const_match

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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>
This commit is contained in:
Richard Henderson 2025-04-24 18:23:36 +00:00
parent 73d29ea241
commit a079836005
1 changed files with 8 additions and 6 deletions
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14
tcg/loongarch64/tcg-target.c.inc
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@ -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;
}