Mesa (master): r300/compiler: Fix copy propigation for some presub instructions

[Tom Stellard]

Module: Mesa
Branch: master
Commit: 66b1e716fb2f36db98ce490dc6e58d5585c652ae
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=66b1e716fb2f36db98ce490dc6e58d5585c652ae

Author: Tom Stellard <tstellar at gmail.com>
Date:   Mon Sep  6 15:31:07 2010 -0700

r300/compiler: Fix copy propigation for some presub instructions

---

 .../drivers/dri/r300/compiler/radeon_optimize.c    |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
index 2bed2dd..53efbba 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
@@ -191,7 +191,7 @@ static void copy_propagate(struct radeon_compiler * c, struct rc_instruction * i
 
 		/* It is possible to do copy propigation in this situation,
 		 * just not right now, see peephole_add_presub_inv() */
-		if (inst->U.I.PreSub.Opcode != RC_PRESUB_NONE &&
+		if (inst_mov->U.I.PreSub.Opcode != RC_PRESUB_NONE &&
 						info->NumSrcRegs > 2) {
 			return;
 		}