diff options
| -rw-r--r-- | src/gallium/drivers/r600/sb/sb_peephole.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/sb/sb_peephole.cpp b/src/gallium/drivers/r600/sb/sb_peephole.cpp index 49a6965b1f3..4390a8f525c 100644 --- a/src/gallium/drivers/r600/sb/sb_peephole.cpp +++ b/src/gallium/drivers/r600/sb/sb_peephole.cpp @@ -68,7 +68,14 @@ void peephole::run_on(container_node* c) { if (n->is_alu_inst()) { alu_node *a = static_cast<alu_node*>(n); - if (a->bc.op_ptr->flags & + if (a->bc.op_ptr->flags & AF_LDS) { + if (!a->dst[0]) { + if (a->bc.op >= LDS_OP2_LDS_ADD_RET && a->bc.op <= LDS_OP3_LDS_MSKOR_RET) + a->bc.set_op(a->bc.op - LDS_OP2_LDS_ADD_RET + LDS_OP2_LDS_ADD); + if (a->bc.op == LDS_OP1_LDS_READ_RET) + a->src[0] = sh.get_undef_value(); + } + } else if (a->bc.op_ptr->flags & (AF_PRED | AF_SET | AF_CMOV | AF_KILL)) { optimize_cc_op(a); } else if (a->bc.op == ALU_OP1_FLT_TO_INT) { |