[Mesa-dev] [PATCH 04/38] i965/fs: Migrate opt_combine_constants to the IR builder.
Francisco Jerez
currojerez at riseup.net
Thu Jun 4 09:04:53 PDT 2015
---
.../drivers/dri/i965/brw_fs_combine_constants.cpp | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
index aa62031..0af5a91 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
@@ -38,6 +38,8 @@
#include "brw_fs_live_variables.h"
#include "brw_cfg.h"
+using namespace brw;
+
/* Returns whether an instruction could co-issue if its immediate source were
* replaced with a GRF source.
*/
@@ -270,15 +272,14 @@ fs_visitor::opt_combine_constants()
reg.stride = 0;
for (int i = 0; i < table.len; i++) {
struct imm *imm = &table.imm[i];
-
- fs_inst *mov = MOV(reg, fs_reg(imm->val));
- mov->force_writemask_all = true;
- if (imm->inst) {
- imm->inst->insert_before(imm->block, mov);
- } else {
- backend_instruction *inst = imm->block->last_non_control_flow_inst();
- inst->insert_after(imm->block, mov);
- }
+ /* Insert it either before the instruction that generated the immediate
+ * or after the last non-control flow instruction of the common ancestor.
+ */
+ exec_node *n = (imm->inst ? imm->inst :
+ imm->block->last_non_control_flow_inst()->next);
+ const fs_builder ibld = bld.at(imm->block, n).exec_all();
+
+ ibld.MOV(reg, fs_reg(imm->val));
imm->reg = reg.reg;
imm->subreg_offset = reg.subreg_offset;
--
2.3.5
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