Mesa (master): r300/compiler: do not use copy propagation if SaturateMode is used

[Marek Olšák]

Module: Mesa
Branch: master
Commit: c2ea7ffb0a9368571bb62038aeb318307afedb40
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c2ea7ffb0a9368571bb62038aeb318307afedb40

Author: Marek Olšák <maraeo at gmail.com>
Date:   Tue Sep 28 04:30:32 2010 +0200

r300/compiler: do not use copy propagation if SaturateMode is used

NOTE: This is a candidate for the 7.9 branch.

---

 .../drivers/dri/r300/compiler/radeon_optimize.c    |    3 ++-
 1 files changed, 2 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 e288930..3be50b9 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_optimize.c
@@ -163,7 +163,8 @@ static void copy_propagate(struct radeon_compiler * c, struct rc_instruction * i
 
 	if (inst_mov->U.I.DstReg.File != RC_FILE_TEMPORARY ||
 	    inst_mov->U.I.DstReg.RelAddr ||
-	    inst_mov->U.I.WriteALUResult)
+	    inst_mov->U.I.WriteALUResult ||
+	    inst_mov->U.I.SaturateMode)
 		return;
 
 	memset(&s, 0, sizeof(s));