MADs don't take immediate sources, but we allow them in the IR since it
simplifies a lot of things. I neglected to consider that case.
Fixes: 4009a9ead490 ("i965/fs: Allow saturate propagation to propagate
negations into MADs.")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103616
Reported-and-Tested-by: Ruslan Kabatsayev <[email protected]>
---
src/intel/compiler/brw_fs_saturate_propagation.cpp | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/intel/compiler/brw_fs_saturate_propagation.cpp
b/src/intel/compiler/brw_fs_saturate_propagation.cpp
index 1c97a507d8..d6cfa79a61 100644
--- a/src/intel/compiler/brw_fs_saturate_propagation.cpp
+++ b/src/intel/compiler/brw_fs_saturate_propagation.cpp
@@ -88,8 +88,14 @@ opt_saturate_propagation_local(fs_visitor *v, bblock_t
*block)
scan_inst->src[0].negate = !scan_inst->src[0].negate;
inst->src[0].negate = false;
} else if (scan_inst->opcode == BRW_OPCODE_MAD) {
- scan_inst->src[0].negate = !scan_inst->src[0].negate;
- scan_inst->src[1].negate = !scan_inst->src[1].negate;
+ for (int i = 0; i < 2; i++) {
+ if (scan_inst->src[i].file == IMM) {
+ brw_negate_immediate(scan_inst->src[i].type,
+
&scan_inst->src[i].as_brw_reg());
+ } else {
+ scan_inst->src[i].negate =
!scan_inst->src[i].negate;
+ }
+ }
inst->src[0].negate = false;
} else if (scan_inst->opcode == BRW_OPCODE_ADD) {
if (scan_inst->src[1].file == IMM) {
--
2.13.6
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