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microsoft/compiler: Use ibfe/ubfe for bitfield extract instead of lowering to shifts

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Reviewed-by: Sil Vilerino <sivileri@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14624>
This commit is contained in:
Jesse Natalie 2022-01-17 13:38:36 -08:00 • committed by Marge Bot
parent 80e782d5ed
commit ac94bcf046
1 changed files with 9 additions and 5 deletions
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14
src/microsoft/compiler/nir_to_dxil.c
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@ -87,7 +87,7 @@ nir_options = {
.lower_flrp16 = true,
.lower_flrp32 = true,
.lower_flrp64 = true,
.lower_bitfield_extract_to_shifts = true,
.lower_bitfield_extract = true,
.lower_extract_word = true,
.lower_extract_byte = true,
.lower_insert_word = true,
@ -224,6 +224,8 @@ enum dxil_intr {
DXIL_INTR_FMA = 47,
DXIL_INTR_IBFE = 51,
DXIL_INTR_UBFE = 52,
DXIL_INTR_BFI = 53,
DXIL_INTR_CREATE_HANDLE = 57,
@ -1884,15 +1886,15 @@ emit_tertiary_intin(struct ntd_context *ctx, nir_alu_instr *alu,
const struct dxil_value *op2)
{
const nir_op_info *info = &nir_op_infos[alu->op];
assert(info->output_type == info->input_types[0]);
assert(info->output_type == info->input_types[1]);
assert(info->output_type == info->input_types[2]);
unsigned dst_bits = nir_dest_bit_size(alu->dest.dest);
assert(nir_src_bit_size(alu->src[0].src) == dst_bits);
assert(nir_src_bit_size(alu->src[1].src) == dst_bits);
assert(nir_src_bit_size(alu->src[2].src) == dst_bits);
assert(get_overload(info->output_type, dst_bits) == get_overload(info->input_types[0], dst_bits));
assert(get_overload(info->output_type, dst_bits) == get_overload(info->input_types[1], dst_bits));
assert(get_overload(info->output_type, dst_bits) == get_overload(info->input_types[2], dst_bits));
enum overload_type overload = get_overload(info->output_type, dst_bits);
const struct dxil_value *v = emit_tertiary_call(ctx, overload, intr,
@ -2286,6 +2288,8 @@ emit_alu(struct ntd_context *ctx, nir_alu_instr *alu)
case nir_op_fmin: return emit_binary_intin(ctx, alu, DXIL_INTR_FMIN, src[0], src[1]);
case nir_op_ffma: return emit_tertiary_intin(ctx, alu, DXIL_INTR_FMA, src[0], src[1], src[2]);
case nir_op_ibfe: return emit_tertiary_intin(ctx, alu, DXIL_INTR_IBFE, src[2], src[1], src[0]);
case nir_op_ubfe: return emit_tertiary_intin(ctx, alu, DXIL_INTR_UBFE, src[2], src[1], src[0]);
case nir_op_bitfield_insert: return emit_bitfield_insert(ctx, alu, src[0], src[1], src[2], src[3]);
case nir_op_unpack_half_2x16_split_x: return emit_f16tof32(ctx, alu, src[0], false);