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aco/ra: use a switch to check vop2acc instruction support

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Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29512>
This commit is contained in:
Georg Lehmann 2024-06-06 11:26:07 +02:00 • committed by Marge Bot
parent fdc2fb6835
commit 60f3f0fdbb
1 changed files with 23 additions and 9 deletions
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32
src/amd/compiler/aco_register_allocation.cpp
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@ -2554,15 +2554,29 @@ vop3_can_use_vop2acc(ra_ctx& ctx, Instruction* instr)
if (!instr->isVOP3() && !instr->isVOP3P())
return false;
if ((instr->opcode != aco_opcode::v_mad_f32 &&
(instr->opcode != aco_opcode::v_fma_f32 || ctx.program->gfx_level < GFX10) &&
instr->opcode != aco_opcode::v_mad_f16 && instr->opcode != aco_opcode::v_mad_legacy_f16 &&
(instr->opcode != aco_opcode::v_fma_f16 || ctx.program->gfx_level < GFX10) &&
(instr->opcode != aco_opcode::v_pk_fma_f16 || ctx.program->gfx_level < GFX10) &&
(instr->opcode != aco_opcode::v_mad_legacy_f32 || !ctx.program->dev.has_mac_legacy32) &&
(instr->opcode != aco_opcode::v_fma_legacy_f32 || !ctx.program->dev.has_fmac_legacy32) &&
(instr->opcode != aco_opcode::v_dot4_i32_i8 || ctx.program->family == CHIP_VEGA20)) ||
!instr->operands[2].isOfType(RegType::vgpr) || !instr->operands[2].isKillBeforeDef() ||
switch (instr->opcode) {
case aco_opcode::v_mad_f32:
case aco_opcode::v_mad_f16:
case aco_opcode::v_mad_legacy_f16: break;
case aco_opcode::v_fma_f32:
case aco_opcode::v_pk_fma_f16:
case aco_opcode::v_fma_f16:
case aco_opcode::v_dot4_i32_i8:
if (ctx.program->gfx_level < GFX10)
return false;
break;
case aco_opcode::v_mad_legacy_f32:
if (!ctx.program->dev.has_mac_legacy32)
return false;
break;
case aco_opcode::v_fma_legacy_f32:
if (!ctx.program->dev.has_fmac_legacy32)
return false;
break;
default: return false;
}
if (!instr->operands[2].isOfType(RegType::vgpr) || !instr->operands[2].isKillBeforeDef() ||
(!instr->operands[0].isOfType(RegType::vgpr) && !instr->operands[1].isOfType(RegType::vgpr)))
return false;