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i965/vs: Fix implied_mrf_writes() for integer division pre-gen6. 

Previously it would assertion fail in debug builds (though the correct
value was returned in a non-debug build).  Marking it as a candidate for
stable even though it has no current consumers in the stable branches, in
case one shows up in a later backport.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=64727
NOTE: This is a candidate for stable branches.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2013-05-28 14:35:19 -07:00
parent 0a0b323193
commit 6220cc931f
1 changed files with 2 additions and 0 deletions
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2
src/mesa/drivers/dri/i965/brw_vec4.cpp
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@ -247,6 +247,8 @@ vec4_visitor::implied_mrf_writes(vec4_instruction *inst)
case SHADER_OPCODE_SIN:
case SHADER_OPCODE_COS:
return 1;
case SHADER_OPCODE_INT_QUOTIENT:
case SHADER_OPCODE_INT_REMAINDER:
case SHADER_OPCODE_POW:
return 2;
case VS_OPCODE_URB_WRITE: