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tcg: Merge INDEX_op_div_{i32,i64}

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Rename to INDEX_op_divs to emphasize signed inputs,
and mirroring INDEX_op_divu_*.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-07 13:22:56 -08:00
parent 0cdacacebb
commit b2c514f9d5
7 changed files with 22 additions and 24 deletions
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12
tcg/optimize.c
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@ -556,13 +556,15 @@ static uint64_t do_constant_folding_2(TCGOpcode op, TCGType type,
muls64(&l64, &h64, x, y);
return h64;
case INDEX_op_div_i32:
case INDEX_op_divs:
/* Avoid crashing on divide by zero, otherwise undefined. */
return (int32_t)x / ((int32_t)y ? : 1);
if (type == TCG_TYPE_I32) {
return (int32_t)x / ((int32_t)y ? : 1);
}
return (int64_t)x / ((int64_t)y ? : 1);
case INDEX_op_divu_i32:
return (uint32_t)x / ((uint32_t)y ? : 1);
case INDEX_op_div_i64:
return (int64_t)x / ((int64_t)y ? : 1);
case INDEX_op_divu_i64:
return (uint64_t)x / ((uint64_t)y ? : 1);
@ -2905,7 +2907,7 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(deposit):
done = fold_deposit(&ctx, op);
break;
CASE_OP_32_64(div):
case INDEX_op_divs:
CASE_OP_32_64(divu):
done = fold_divide(&ctx, op);
break;