diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp index cb87fecf8d8..d07e8c558c2 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp @@ -356,7 +356,11 @@ vec4_visitor::dead_code_eliminate() inst->dst = dst_reg(retype(brw_null_reg(), inst->dst.type)); break; default: - inst->remove(); + if (inst->writes_flag()) { + inst->dst = dst_reg(retype(brw_null_reg(), inst->dst.type)); + } else { + inst->remove(); + } break; } progress = true; |