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aco: move src1 to vgpr instead of using VOP3 for VOP2 instructions during isel

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Is simpler and helps a couple of shaders.
Totals from affected shaders: (Vega)
Code Size: 16341296 -> 16335460 (-0.04 %) bytes

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4642>
This commit is contained in:
Daniel Schürmann
2020-04-20 13:02:26 +01:00
committed by Marge Bot
parent be0bb7e101
commit c3c1f4d6bc
1 changed files with 1 additions and 9 deletions
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10
src/amd/compiler/aco_instruction_selection.cpp
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@@ -561,16 +561,8 @@ void emit_vop2_instruction(isel_context *ctx, nir_alu_instr *instr, aco_opcode o
Temp t = src0;
src0 = src1;
src1 = t;
} else if (src0.type() == RegType::vgpr &&
op != aco_opcode::v_madmk_f32 &&
op != aco_opcode::v_madak_f32 &&
op != aco_opcode::v_madmk_f16 &&
op != aco_opcode::v_madak_f16) {
/* If the instruction is not commutative, we emit a VOP3A instruction */
bld.vop2_e64(op, Definition(dst), src0, src1);
return;
} else {
src1 = bld.copy(bld.def(RegType::vgpr, src1.size()), src1); //TODO: as_vgpr
src1 = as_vgpr(ctx, src1);
}
}