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aco: implement 16-bit nir_op_frexp_sig/nir_op_frexp_exp

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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/4452>
This commit is contained in:
Samuel Pitoiset
2020-04-03 10:41:17 +02:00
parent db74ad0696
commit a8b45d7034
1 changed files with 15 additions and 11 deletions
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26
src/amd/compiler/aco_instruction_selection.cpp
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@@ -1985,12 +1985,14 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
break;
}
case nir_op_frexp_sig: {
if (dst.size() == 1) {
bld.vop1(aco_opcode::v_frexp_mant_f32, Definition(dst),
get_alu_src(ctx, instr->src[0]));
} else if (dst.size() == 2) {
bld.vop1(aco_opcode::v_frexp_mant_f64, Definition(dst),
get_alu_src(ctx, instr->src[0]));
Temp src = get_alu_src(ctx, instr->src[0]);
if (dst.regClass() == v2b) {
Temp tmp = bld.vop1(aco_opcode::v_frexp_mant_f16, bld.def(v1), src);
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
} else if (dst.regClass() == v1) {
bld.vop1(aco_opcode::v_frexp_mant_f32, Definition(dst), src);
} else if (dst.regClass() == v2) {
bld.vop1(aco_opcode::v_frexp_mant_f64, Definition(dst), src);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
nir_print_instr(&instr->instr, stderr);
@@ -1999,12 +2001,14 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
break;
}
case nir_op_frexp_exp: {
if (instr->src[0].src.ssa->bit_size == 32) {
bld.vop1(aco_opcode::v_frexp_exp_i32_f32, Definition(dst),
get_alu_src(ctx, instr->src[0]));
Temp src = get_alu_src(ctx, instr->src[0]);
if (instr->src[0].src.ssa->bit_size == 16) {
Temp tmp = bld.vop1(aco_opcode::v_frexp_exp_i16_f16, bld.def(v1), src);
bld.pseudo(aco_opcode::p_extract_vector, Definition(dst), tmp, Operand(0u));
} else if (instr->src[0].src.ssa->bit_size == 32) {
bld.vop1(aco_opcode::v_frexp_exp_i32_f32, Definition(dst), src);
} else if (instr->src[0].src.ssa->bit_size == 64) {
bld.vop1(aco_opcode::v_frexp_exp_i32_f64, Definition(dst),
get_alu_src(ctx, instr->src[0]));
bld.vop1(aco_opcode::v_frexp_exp_i32_f64, Definition(dst), src);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
nir_print_instr(&instr->instr, stderr);