Mesa (master): vc4: We can now move TEX_RESULT accesses across other r4 ops.
Eric Anholt
anholt at kemper.freedesktop.org
Fri Aug 21 06:43:51 UTC 2015
Module: Mesa
Branch: master
Commit: ceb1a318424bf219eace29955ae473c1ccf9f8b8
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ceb1a318424bf219eace29955ae473c1ccf9f8b8
Author: Eric Anholt <eric at anholt.net>
Date: Wed Aug 5 20:11:07 2015 -0700
vc4: We can now move TEX_RESULT accesses across other r4 ops.
No difference on shader-db.
---
src/gallium/drivers/vc4/vc4_opt_vpm_writes.c | 16 ----------------
1 file changed, 16 deletions(-)
diff --git a/src/gallium/drivers/vc4/vc4_opt_vpm_writes.c b/src/gallium/drivers/vc4/vc4_opt_vpm_writes.c
index e04f028..fc7d4aa 100644
--- a/src/gallium/drivers/vc4/vc4_opt_vpm_writes.c
+++ b/src/gallium/drivers/vc4/vc4_opt_vpm_writes.c
@@ -79,22 +79,6 @@ qir_opt_vpm_writes(struct vc4_compile *c)
continue;
}
- /* A QOP_TEX_RESULT destination is r4, so we can't move
- * accesses to it past another QOP_TEX_RESULT which would
- * update it.
- */
- int src;
- for (src = 0; src < qir_get_op_nsrc(inst->op); src++) {
- if (inst->src[src].file == QFILE_TEMP) {
- if (c->defs[inst->src[src].index]->op ==
- QOP_TEX_RESULT) {
- break;
- }
- }
- }
- if (src != qir_get_op_nsrc(inst->op))
- continue;
-
/* Move the generating instruction to the end of the program
* to maintain the order of the VPM writes.
*/
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