Module: Mesa
Branch: master
Commit: 0dfec59a2785cf7a87ee5128889ecebe810b611b
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=0dfec59a2785cf7a87ee5128889ecebe810b611b

Author: Andrey Sudnik <andrey.sud...@intel.com>
Date:   Thu Mar  5 11:16:49 2015 -0800

i965/vec4: Don't lose the saturate modifier in copy propagation.

Cc: 10.4, 10.5 <mesa-sta...@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89224
Reviewed-by: Matt Turner <matts...@gmail.com>
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>

---

 src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp 
b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
index 679867c..1f5e4f7 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
@@ -440,7 +440,7 @@ vec4_visitor::opt_copy_propagation(bool do_constant_prop)
         entries[reg].saturatemask = 0x0;
         for (int i = 0; i < 4; i++) {
            if (inst->dst.writemask & (1 << i)) {
-               entries[reg].value[i] = direct_copy ? &inst->src[0] : NULL;
+               entries[reg].value[i] = (!inst->saturate && direct_copy) ? 
&inst->src[0] : NULL;
                entries[reg].saturatemask |= (((inst->saturate && direct_copy) 
? 1 : 0) << i);
            }
         }

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