Mesa (master): r300/compiler: Enable reg rename pass on r500 and run it before optimizations

Tom Stellard tstellar at kemper.freedesktop.org
Fri Oct 14 18:40:43 PDT 2011


Module: Mesa
Branch: master
Commit: 0dc97e7fd49a5b8db25b95a1020fc598dba5cf65
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0dc97e7fd49a5b8db25b95a1020fc598dba5cf65

Author: Tom Stellard <tstellar at gmail.com>
Date:   Fri May 13 23:29:50 2011 -0700

r300/compiler: Enable reg rename pass on r500 and run it before optimizations

The scheduler and the register allocator are now smart enough to handle
it.

---

 src/gallium/drivers/r300/compiler/r3xx_fragprog.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/r300/compiler/r3xx_fragprog.c b/src/gallium/drivers/r300/compiler/r3xx_fragprog.c
index bb6c010..70354ab 100644
--- a/src/gallium/drivers/r300/compiler/r3xx_fragprog.c
+++ b/src/gallium/drivers/r300/compiler/r3xx_fragprog.c
@@ -144,13 +144,10 @@ void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c)
 		{"native rewrite",		1, !is_r500,	rc_local_transform,		native_rewrite_r300},
 		{"deadcode",			1, opt,		rc_dataflow_deadcode,		dataflow_outputs_mark_use},
 		{"emulate loops",		1, !is_r500,	rc_emulate_loops,		NULL},
+		{"register rename",		1, !is_r500 || opt,		rc_rename_regs,			NULL},
 		{"dataflow optimize",		1, opt,		rc_optimize,			NULL},
 		{"dataflow swizzles",		1, 1,		rc_dataflow_swizzles,		NULL},
 		{"dead constants",		1, 1,		rc_remove_unused_constants,	&c->code->constants_remap_table},
-		/* This pass makes it easier for the scheduler to group TEX
-		 * instructions and reduces the chances of creating too
-		 * many texture indirections.*/
-		{"register rename",		1, !is_r500,	rc_rename_regs,			NULL},
 		{"pair translate",		1, 1,		rc_pair_translate,		NULL},
 		{"pair scheduling",		1, 1,		rc_pair_schedule,		NULL},
 		{"dead sources",		1, 1,		rc_pair_remove_dead_sources, NULL},



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