mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-24 15:20:10 +01:00
f222b16f92
The helper function already iterate instructions.
Fixes: 8ac7802ac8 ("brw: move final send lowering up into the IR")
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36478>
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/*
|
|
* Copyright © 2024 Intel Corporation
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include "brw_shader.h"
|
|
#include "brw_builder.h"
|
|
#include "brw_cfg.h"
|
|
#include "brw_eu.h"
|
|
|
|
/** @file
|
|
*
|
|
* Turn this sequence :
|
|
*
|
|
* add(8) vgrf64:UD, vgrf63:UD, 192u
|
|
* mov(1) a0.4:UD, vgrf64+0.0<0>:UD
|
|
*
|
|
* into :
|
|
*
|
|
* add(1) a0.4:UD, vgrf63+0.0<0>:UD, 192u
|
|
*/
|
|
|
|
static bool
|
|
opt_address_reg_load_local(brw_shader &s, bblock_t *block, const brw_def_analysis &defs)
|
|
{
|
|
bool progress = false;
|
|
|
|
foreach_inst_in_block_safe(brw_inst, inst, block) {
|
|
if (!inst->dst.is_address() || inst->opcode != BRW_OPCODE_MOV)
|
|
continue;
|
|
|
|
brw_inst *src_inst = defs.get(inst->src[0]);
|
|
if (src_inst == NULL)
|
|
continue;
|
|
|
|
if (src_inst->uses_address_register_implicitly() ||
|
|
src_inst->sources > 2)
|
|
continue;
|
|
|
|
brw_builder ubld = brw_builder(&s).before(inst).uniform();
|
|
brw_reg sources[3];
|
|
for (unsigned i = 0; i < src_inst->sources; i++) {
|
|
sources[i] = inst->src[i].file == VGRF ? component(src_inst->src[i], 0) : src_inst->src[i];
|
|
}
|
|
ubld.emit(src_inst->opcode, inst->dst, sources, src_inst->sources);
|
|
|
|
inst->remove();
|
|
|
|
progress = true;
|
|
}
|
|
|
|
return progress;
|
|
}
|
|
|
|
bool
|
|
brw_opt_address_reg_load(brw_shader &s)
|
|
{
|
|
bool progress = false;
|
|
const brw_def_analysis &defs = s.def_analysis.require();
|
|
|
|
foreach_block(block, s.cfg) {
|
|
progress = opt_address_reg_load_local(s, block, defs) || progress;
|
|
}
|
|
|
|
if (progress) {
|
|
s.invalidate_analysis(BRW_DEPENDENCY_INSTRUCTIONS);
|
|
}
|
|
|
|
return progress;
|
|
}
|