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-rw-r--r--src/mesa/program/prog_optimize.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/program/prog_optimize.c b/src/mesa/program/prog_optimize.c
index ab878755e2..0dc779073d 100644
--- a/src/mesa/program/prog_optimize.c
+++ b/src/mesa/program/prog_optimize.c
@@ -758,7 +758,11 @@ _mesa_remove_extra_moves(struct gl_program *prog)
nesting--;
break;
case OPCODE_MOV:
- if (i > 0 && can_downward_mov_be_modifed(mov) && nesting == 0) {
+ if (i > 0 &&
+ can_downward_mov_be_modifed(mov) &&
+ mov->SrcReg[0].File == PROGRAM_TEMPORARY &&
+ nesting == 0)
+ {
/* see if this MOV can be removed */
const GLuint id = mov->SrcReg[0].Index;