Mesa (master): i965/vec4: Don' t lose the saturate modifier in copy propagation.
Matt Turner
mattst88 at kemper.freedesktop.org
Thu Mar 5 23:47:57 UTC 2015
Module: Mesa
Branch: master
Commit: 0dfec59a2785cf7a87ee5128889ecebe810b611b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0dfec59a2785cf7a87ee5128889ecebe810b611b
Author: Andrey Sudnik <andrey.sudnik at 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-stable at lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89224
Reviewed-by: Matt Turner <mattst88 at gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick at 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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