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aco: implement nir_op_f2i8/nir_op_f2u8

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I think we should really refactor the conversions path.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4551>
This commit is contained in:
Samuel Pitoiset 2020-04-14 16:59:20 +02:00
parent 04a7ec7c8a
commit 91aa596ca7
1 changed files with 4 additions and 2 deletions
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6
src/amd/compiler/aco_instruction_selection.cpp
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@ -2262,6 +2262,7 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
}
break;
}
case nir_op_f2i8:
case nir_op_f2i16: {
Temp src = get_alu_src(ctx, instr->src[0]);
if (instr->src[0].src.ssa->bit_size == 16)
@ -2272,11 +2273,12 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
src = bld.vop1(aco_opcode::v_cvt_i32_f64, bld.def(v1), src);
if (dst.type() == RegType::vgpr)
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), src);
bld.pseudo(aco_opcode::p_extract_vector, Definition(dst), src, Operand(0u));
else
bld.pseudo(aco_opcode::p_as_uniform, Definition(dst), src);
break;
}
case nir_op_f2u8:
case nir_op_f2u16: {
Temp src = get_alu_src(ctx, instr->src[0]);
if (instr->src[0].src.ssa->bit_size == 16)
@ -2287,7 +2289,7 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
src = bld.vop1(aco_opcode::v_cvt_u32_f64, bld.def(v1), src);
if (dst.type() == RegType::vgpr)
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), src);
bld.pseudo(aco_opcode::p_extract_vector, Definition(dst), src, Operand(0u));
else
bld.pseudo(aco_opcode::p_as_uniform, Definition(dst), src);
break;