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r600/sfn: Schedule AR uses befor possible groups

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Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24297>
This commit is contained in:
Gert Wollny
2023-07-21 20:14:16 +02:00
committed by Marge Bot
parent 9bf68273ad
commit 104cac4dbd
1 changed files with 4 additions and 1 deletions
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src/gallium/drivers/r600/sfn/sfn_scheduler.cpp
+4 -1
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@@ -554,6 +554,9 @@ BlockScheduler::schedule_alu(Shader::ShaderBlocks& out_blocks)
bool has_lds_ready =
!alu_vec_ready.empty() && (*alu_vec_ready.begin())->has_lds_access();
bool has_ar_read_ready = !alu_vec_ready.empty() &&
std::get<0>((*alu_vec_ready.begin())->indirect_addr());
/* If we have ready ALU instructions we have to start a new ALU block */
if (has_alu_ready || !alu_groups_ready.empty()) {
if (m_current_block->type() != Block::alu) {
@@ -565,7 +568,7 @@ BlockScheduler::schedule_alu(Shader::ShaderBlocks& out_blocks)
/* Schedule groups first. unless we have a pending LDS instruction
* We don't want the LDS instructions to be too far apart because the
* fetch + read from queue has to be in the same ALU CF block */
if (!alu_groups_ready.empty() && !has_lds_ready) {
if (!alu_groups_ready.empty() && !has_lds_ready && !has_ar_read_ready) {
group = *alu_groups_ready.begin();
if (!check_array_reads(*group)) {