diff options
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 0772b736275..fa51fef343b 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -5252,7 +5252,7 @@ glsl_to_tgsi_visitor::merge_two_dsts(void) defined = 0; inst2 = (glsl_to_tgsi_instruction *) inst->next; - do { + while (!inst2->is_tail_sentinel()) { if (inst->op == inst2->op && inst2->dst[defined].file == PROGRAM_UNDEFINED && inst->src[0].file == inst2->src[0].file && @@ -5261,9 +5261,9 @@ glsl_to_tgsi_visitor::merge_two_dsts(void) inst->src[0].swizzle == inst2->src[0].swizzle) break; inst2 = (glsl_to_tgsi_instruction *) inst2->next; - } while (inst2); + } - if (!inst2) { + if (inst2->is_tail_sentinel()) { /* Undefined destinations are not allowed, substitute with an unused * temporary register. */ |