Mesa (master): tgsi: check for SOA dependencies in SSE and PPC code generators
Brian Paul
brianp at kemper.freedesktop.org
Thu Aug 20 16:52:55 UTC 2009
Module: Mesa
Branch: master
Commit: 1645adc55155747708f1f5b1c629ac03cc5126df
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=1645adc55155747708f1f5b1c629ac03cc5126df
Author: Brian Paul <brianp at vmware.com>
Date: Thu Aug 20 10:34:45 2009 -0600
tgsi: check for SOA dependencies in SSE and PPC code generators
Fall back to interpreter for now. This doesn't happen very often.
---
src/gallium/auxiliary/tgsi/tgsi_ppc.c | 4 ++++
src/gallium/auxiliary/tgsi/tgsi_sse2.c | 4 ++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ppc.c b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
index 3c4dd6e..4b1c7d4 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ppc.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
@@ -1113,6 +1113,10 @@ emit_instruction(struct gen_context *gen,
if (inst->Instruction.Saturate != TGSI_SAT_NONE)
return 0;
+ /* need to use extra temps to fix SOA dependencies : */
+ if (tgsi_check_soa_dependencies(inst))
+ return FALSE;
+
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_MOV:
case TGSI_OPCODE_SWZ:
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index 348357d..46f2387 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1751,6 +1751,10 @@ emit_instruction(
if (inst->Instruction.Saturate != TGSI_SAT_NONE)
return FALSE;
+ /* need to use extra temps to fix SOA dependencies : */
+ if (tgsi_check_soa_dependencies(inst))
+ return FALSE;
+
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_ARL:
FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
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