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authorKenneth Graunke <[email protected]>2011-05-11 07:54:57 -0700
committerKenneth Graunke <[email protected]>2011-05-17 23:33:02 -0700
commit2a95568f64a6641a49a2d4855272e9be2ac2db6d (patch)
tree3d4102fb4613ab86c559230fd6637dc33eff897a /src/mesa/drivers
parent6e918163dfbdc829f31a0aefc07248c49b890d1d (diff)
i965: Avoid register coalescing away MATH workarounds on Ivybridge.
The MATH instruction cannot handle source modifiers, even on Gen7. So, apply this workaround for Sandybridge on Ivybridge as well. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 8dee849edd4..1b0e7e82fbe 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -3386,7 +3386,7 @@ fs_visitor::register_coalesce()
/* The gen6 MATH instruction can't handle source modifiers, so avoid
* coalescing those for now. We should do something more specific.
*/
- if (intel->gen == 6 && scan_inst->is_math() && has_source_modifiers) {
+ if (intel->gen >= 6 && scan_inst->is_math() && has_source_modifiers) {
interfered = true;
break;
}