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-rw-r--r--src/mesa/program/prog_optimize.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/program/prog_optimize.c b/src/mesa/program/prog_optimize.c
index 11debc485eb..8a40fa69eca 100644
--- a/src/mesa/program/prog_optimize.c
+++ b/src/mesa/program/prog_optimize.c
@@ -1304,6 +1304,9 @@ _mesa_simplify_cmp(struct gl_program * program)
assert(inst->DstReg.Index < REG_ALLOCATE_MAX_PROGRAM_TEMPS);
prevWriteMask = tempWrites[inst->DstReg.Index];
tempWrites[inst->DstReg.Index] |= inst->DstReg.WriteMask;
+ } else {
+ /* No other register type can be a destination register. */
+ continue;
}
/* For a CMP to be considered a conditional write, the destination