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aco/optimizer: use p_create_vector to create mask when a copy can't be used

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Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29422>
This commit is contained in:
Georg Lehmann
2024-05-27 21:56:55 +02:00
committed by Marge Bot
parent 2b56a97374
commit b04d99d093
1 changed files with 5 additions and 5 deletions
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10
src/amd/compiler/aco_optimizer.cpp
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@@ -2355,11 +2355,11 @@ optimize_cmp_subgroup_invocation(opt_ctx& ctx, aco_ptr<Instruction>& instr)
Instruction* cpy = NULL;
const uint64_t mask = BITFIELD64_RANGE(first_bit, num_bits);
if (wave_size == 64 && mask > 0x7fffffff && mask != -1ull) {
/* Mask can't be represented as a 64-bit constant or literal, use s_bfm_b64. */
cpy = create_instruction(aco_opcode::s_bfm_b64, Format::SOP2, 2, 1);
cpy->operands[0] = Operand::c32(num_bits);
cpy->operands[1] = Operand::c32(first_bit);
if (!Operand::is_constant_representable(mask, wave_size / 8, true, false)) {
/* Mask can't be represented as a 64-bit constant or literal, create a vector */
cpy = create_instruction(aco_opcode::p_create_vector, Format::PSEUDO, 2, 1);
cpy->operands[0] = Operand::c32(mask);
cpy->operands[1] = Operand::c32(mask >> 32);
} else {
/* Copy mask as a literal constant. */
cpy = create_instruction(aco_opcode::p_parallelcopy, Format::PSEUDO, 1, 1);