tcg/optimize: Re-enable sign-mask optimizations

All instances of s_mask have been converted to the new
representation.  We can now re-enable usage.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-21 22:03:53 -08:00
parent a3a88b17c2
commit aa9e0501a4

View File

@ -1797,7 +1797,7 @@ static bool fold_exts(OptContext *ctx, TCGOp *op)
g_assert_not_reached(); g_assert_not_reached();
} }
if (0 && !type_change && fold_affected_mask(ctx, op, s_mask & ~s_mask_old)) { if (!type_change && fold_affected_mask(ctx, op, s_mask & ~s_mask_old)) {
return true; return true;
} }
@ -2506,7 +2506,7 @@ static bool fold_sextract(OptContext *ctx, TCGOp *op)
s_mask = s_mask_old >> pos; s_mask = s_mask_old >> pos;
s_mask |= -1ull << (len - 1); s_mask |= -1ull << (len - 1);
if (0 && pos == 0 && fold_affected_mask(ctx, op, s_mask & ~s_mask_old)) { if (pos == 0 && fold_affected_mask(ctx, op, s_mask & ~s_mask_old)) {
return true; return true;
} }