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vkd3d-shader/dxil: Delete bool not-equal-to-false comparison instructions.

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Conor McCarthy 2024-04-24 12:23:27 +10:00 committed by Alexandre Julliard
parent f47ac703ab
commit def87539de
Notes: Alexandre Julliard 2024-05-13 22:58:15 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/857
1 changed files with 9 additions and 0 deletions
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libs/vkd3d-shader/dxil.c
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@ -6726,6 +6726,15 @@ static void sm6_parser_emit_cmp2(struct sm6_parser *sm6, const struct dxil_recor
code = record->operands[i++];
/* dxcompiler occasionally emits bool not-equal-to-false, which is a no-op. Bool comparisons
* do not otherwise occur, so deleting these avoids the need for backend support. */
if (sm6_type_is_bool(type_a) && code == ICMP_NE && sm6_value_is_constant_zero(b))
{
ins->handler_idx = VKD3DSIH_NOP;
*dst = *a;
return;
}
if ((!is_int && !is_fp) || is_int != (code >= ICMP_EQ))
{
FIXME("Invalid operation %"PRIu64" on type class %u.\n", code, type_a->class);