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aco/optimizer: apply extract from p_extract_vector

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13576>
This commit is contained in:
Daniel Schürmann 2021-10-04 11:13:08 +01:00 • committed by Marge Bot
parent 11712729eb
commit 5ad9c20d4a
1 changed files with 16 additions and 5 deletions
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21
src/amd/compiler/aco_optimizer.cpp
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@ -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;