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aco/to_hw_instr: use VOP1 opsel for v_mov_b16

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Foz-DB GFX1100:
Totals from 4661 (3.46% of 134864) affected shaders:
CodeSize: 36500568 -> 36391704 (-0.30%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22069>
This commit is contained in:
Georg Lehmann
2023-03-21 12:27:28 +01:00
committed by Marge Bot
parent 066cee0896
commit 8ee1519cee
1 changed files with 4 additions and 12 deletions
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16
src/amd/compiler/aco_lower_to_hw_instr.cpp
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@@ -1109,23 +1109,15 @@ emit_v_mov_b16(Builder& bld, Definition dst, Operand op)
if (!op.isLiteral() && op.physReg() >= 240) {
/* v_add_f16 is smaller because it can use 16bit fp inline constants. */
Instruction* instr = bld.vop2_e64(aco_opcode::v_add_f16, dst, op, Operand::zero());
if (dst.physReg().byte() == 2)
instr->valu().opsel = 0x8;
instr->valu().opsel[3] = dst.physReg().byte() == 2;
return;
}
op = Operand::c32((int32_t)(int16_t)op.constantValue());
}
if (!dst.physReg().byte() && !op.physReg().byte()) {
bld.vop1(aco_opcode::v_mov_b16, dst, op);
} else {
// TODO: this can use VOP1 for vgpr0-127 with assembler support
Instruction* instr = bld.vop1_e64(aco_opcode::v_mov_b16, dst, op);
if (op.physReg().byte() == 2)
instr->valu().opsel |= 0x1;
if (dst.physReg().byte() == 2)
instr->valu().opsel |= 0x8;
}
Instruction* instr = bld.vop1(aco_opcode::v_mov_b16, dst, op);
instr->valu().opsel[0] = op.physReg().byte() == 2;
instr->valu().opsel[3] = dst.physReg().byte() == 2;
}
void