Mesa (main): aco/optimizer: apply extract from p_extract_vector
GitLab Mirror
gitlab-mirror at kemper.freedesktop.org
Fri Dec 31 15:13:09 UTC 2021
Module: Mesa
Branch: main
Commit: 5ad9c20d4ad7dbcb20515091750658e133feaf25
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5ad9c20d4ad7dbcb20515091750658e133feaf25
Author: Daniel Schürmann <daniel at schuermann.dev>
Date: Mon Oct 4 11:13:08 2021 +0100
aco/optimizer: apply extract from p_extract_vector
Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13576>
---
src/amd/compiler/aco_optimizer.cpp | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 1e314ed9550..bc842a58906 100644
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -942,9 +942,14 @@ parse_extract(Instruction* instr)
return SubdwordSel(size, offset, sext);
} else if (instr->opcode == aco_opcode::p_insert && instr->operands[1].constantEquals(0)) {
return instr->operands[2].constantEquals(8) ? SubdwordSel::ubyte : SubdwordSel::uword;
- } else {
- return SubdwordSel();
+ } else if (instr->opcode == aco_opcode::p_extract_vector) {
+ unsigned size = instr->definitions[0].bytes();
+ unsigned offset = instr->operands[1].constantValue() * size;
+ if (size <= 2)
+ return SubdwordSel(size, offset, false);
}
+
+ return SubdwordSel();
}
SubdwordSel
@@ -1482,12 +1487,18 @@ label_instruction(opt_ctx& ctx, aco_ptr<Instruction>& instr)
instr->operands[0] =
Operand::get_const(ctx.program->chip_class, val, instr->definitions[0].bytes());
;
- } else if (index == 0 && instr->operands[0].size() == instr->definitions[0].size()) {
- ctx.info[instr->definitions[0].tempId()].set_temp(instr->operands[0].getTemp());
}
- if (instr->operands[0].bytes() != instr->definitions[0].bytes())
+ if (instr->operands[0].bytes() != instr->definitions[0].bytes()) {
+ if (instr->operands[0].size() != 1)
+ break;
+
+ if (index == 0)
+ ctx.info[instr->definitions[0].tempId()].set_temp(instr->operands[0].getTemp());
+ else
+ ctx.info[instr->definitions[0].tempId()].set_extract(instr.get());
break;
+ }
/* convert this extract into a copy instruction */
instr->opcode = aco_opcode::p_parallelcopy;
More information about the mesa-commit
mailing list