diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 77aa0d17bae..1515fc16002 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -3505,10 +3505,15 @@ glsl_to_tgsi_visitor::eliminate_dead_code_advanced(void) switch (inst->op) { case TGSI_OPCODE_BGNLOOP: case TGSI_OPCODE_ENDLOOP: + case TGSI_OPCODE_CONT: + case TGSI_OPCODE_BRK: /* End of a basic block, clear the write array entirely. - * FIXME: This keeps us from killing dead code when the writes are + * + * This keeps us from killing dead code when the writes are * on either side of a loop, even when the register isn't touched - * inside the loop. + * inside the loop. However, glsl_to_tgsi_visitor doesn't seem to emit + * dead code of this type, so it shouldn't make a difference as long as + * the dead code elimination pass in the GLSL compiler does its job. */ memset(writes, 0, sizeof(*writes) * this->next_temp * 4); break; |