We only have one node per VGRF so this was adding way too much
interference. No idea how we didn't catch this before.
Fixes: 014edff0d20d "intel/fs: Add interference between SENDS sources"
---
src/intel/compiler/brw_fs_reg_allocate.cpp | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/src/intel/compiler/brw_fs_reg_allocate.cpp
b/src/intel/compiler/brw_fs_reg_allocate.cpp
index 17a9dc8e9c4..96819630faa 100644
--- a/src/intel/compiler/brw_fs_reg_allocate.cpp
+++ b/src/intel/compiler/brw_fs_reg_allocate.cpp
@@ -710,14 +710,9 @@ fs_visitor::assign_regs(bool allow_spilling, bool
spill_all)
if (inst->opcode == SHADER_OPCODE_SEND && inst->ex_mlen > 0 &&
inst->src[2].file == VGRF &&
inst->src[3].file == VGRF &&
- inst->src[2].nr != inst->src[3].nr) {
- for (unsigned i = 0; i < inst->mlen; i++) {
- for (unsigned j = 0; j < inst->ex_mlen; j++) {
- ra_add_node_interference(g, inst->src[2].nr + i,
- inst->src[3].nr + j);
- }
- }
- }
+ inst->src[2].nr != inst->src[3].nr)
+ ra_add_node_interference(g, inst->src[2].nr,
+ inst->src[3].nr);
}
}
--
2.21.0
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
