This is the last thing that register_coalesce() still handled.
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index eecde62..168411c 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2271,7 +2271,8 @@ fs_visitor::register_coalesce_2()
int var_from = live_intervals->var_from_reg(&inst->src[0]);
int var_to = live_intervals->var_from_reg(&inst->dst);
- if (live_intervals->vars_interfere(var_from, var_to))
+ if (live_intervals->vars_interfere(var_from, var_to) &&
+ !inst->dst.equals(inst->src[0]))
continue;
int reg_from = inst->src[0].reg;
--
1.8.3.2
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