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authorDave Airlie <[email protected]>2015-02-18 10:13:20 +1000
committerDave Airlie <[email protected]>2015-02-18 11:13:06 +1000
commite8e4437ed0660b3f1d1912f53d997cf5e25f486d (patch)
tree5620f8bd55a7a55b4af17d624c05d0ef033b50ce /src/gallium/drivers/r600/sb/sb_sched.cpp
parent598d144cef412f114bddccc5d3c428682b41a7c2 (diff)
r600g/sb: treat undefined values like constants
When we schedule an instructions with undefined value, we eventually will use 0, which is a constant, however sb wasn't taking this into account and creating ops with illegal scalar swizzles. this replaces my fix for op3 in t slots. Reviewed-by: Glenn Kennard <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/sb/sb_sched.cpp')
-rw-r--r--src/gallium/drivers/r600/sb/sb_sched.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/sb/sb_sched.cpp b/src/gallium/drivers/r600/sb/sb_sched.cpp
index 4fbdc4fd971..63e74640687 100644
--- a/src/gallium/drivers/r600/sb/sb_sched.cpp
+++ b/src/gallium/drivers/r600/sb/sb_sched.cpp
@@ -266,7 +266,7 @@ bool rp_gpr_tracker::try_reserve(alu_node* n) {
for (i = 0; i < nsrc; ++i) {
value *v = n->src[i];
- if (v->is_readonly()) {
+ if (v->is_readonly() || v->is_undef()) {
const_count++;
if (trans && const_count == 3)
break;
@@ -295,7 +295,7 @@ bool rp_gpr_tracker::try_reserve(alu_node* n) {
if (need_unreserve && i--) {
do {
value *v = n->src[i];
- if (!v->is_readonly()) {
+ if (!v->is_readonly() && !v->is_undef()) {
if (i == 1 && opt)
continue;
unreserve(bs_cycle(trans, bs, i), n->bc.src[i].sel,