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

Cc: 10.4, 10.5 <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89224
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Andrey Sudnik 2015-03-05 11:16:49 -08:00 committed by Matt Turner
parent 78df9d5e30
commit 0dfec59a27
1 changed files with 1 additions and 1 deletions
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2
src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp
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@ -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);
}
}