Mesa (master): r600g: fix replace_gpr_with_pv_ps
Alex Deucher
agd5f at kemper.freedesktop.org
Thu Aug 25 21:00:26 UTC 2011
Module: Mesa
Branch: master
Commit: fdb62ef3f5b0fadd3cbac610f5b612bcfad5af1a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=fdb62ef3f5b0fadd3cbac610f5b612bcfad5af1a
Author: Vadim Girlin <vadimgirlin at gmail.com>
Date: Thu Aug 25 00:32:55 2011 +0400
r600g: fix replace_gpr_with_pv_ps
Instructions with 3 source operands have no write mask, so we may replace their
destinations with PV/PS in the next group even if their dst.write is 0.
Note: This is a candidate for the 7.11 branch.
Signed-off-by: Vadim Girlin <vadimgirlin at gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
src/gallium/drivers/r600/r600_asm.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 604cb60..27febdf 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -787,7 +787,7 @@ static int replace_gpr_with_pv_ps(struct r600_bytecode *bc,
return r;
for (i = 0; i < max_slots; ++i) {
- if(prev[i] && prev[i]->dst.write && !prev[i]->dst.rel) {
+ if (prev[i] && (prev[i]->dst.write || prev[i]->is_op3) && !prev[i]->dst.rel) {
gpr[i] = prev[i]->dst.sel;
/* cube writes more than PV.X */
if (!is_alu_cube_inst(bc, prev[i]) && is_alu_reduction_inst(bc, prev[i]))
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