Mesa (mesa_7_5_branch): tgsi: check for SOA dependencies in SSE and PPC code generators

[Brian Paul]

Module: Mesa
Branch: mesa_7_5_branch
Commit: ce723d8d8b011f2efaea6588c42b6d11ee2e7115
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ce723d8d8b011f2efaea6588c42b6d11ee2e7115

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 2f8b0c4..8466d9b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ppc.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
@@ -1112,6 +1112,10 @@ 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 571f98a..a13368c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -1506,6 +1506,10 @@ 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 ) {