The array of src regs is of size 3, not 4.
---
src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index aef23e7..7b90c81 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -3443,7 +3443,7 @@ glsl_to_tgsi_visitor::eliminate_dead_code_advanced(void)
/* Continuing the block, clear any channels from the write array that
* are read by this instruction.
*/
- for (int i = 0; i < 4; i++) {
+ for (unsigned i = 0; i < Elements(inst->src); i++) {
if (inst->src[i].file == PROGRAM_TEMPORARY &&
inst->src[i].reladdr){
/* Any temporary might be read, so no dead code elimination
* across this instruction.
--
1.7.3.4
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