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aco: implement 16-bit nir_op_fmax3/nir_op_fmin3/nir_op_fmed3

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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
2020-04-04 10:07:03 +02:00
parent 981ced07a5
commit ccf8e23f59
1 changed files with 16 additions and 5 deletions
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21
src/amd/compiler/aco_instruction_selection.cpp
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@@ -1643,7 +1643,11 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
break;
}
case nir_op_fmax3: {
if (dst.size() == 1) {
if (dst.regClass() == v2b) {
Temp tmp = bld.tmp(v1);
emit_vop3a_instruction(ctx, instr, aco_opcode::v_max3_f16, tmp, false);
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
} else if (dst.regClass() == v1) {
emit_vop3a_instruction(ctx, instr, aco_opcode::v_max3_f32, dst, ctx->block->fp_mode.must_flush_denorms32);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
@@ -1653,7 +1657,11 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
break;
}
case nir_op_fmin3: {
if (dst.size() == 1) {
if (dst.regClass() == v2b) {
Temp tmp = bld.tmp(v1);
emit_vop3a_instruction(ctx, instr, aco_opcode::v_min3_f16, tmp, false);
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
} else if (dst.regClass() == v1) {
emit_vop3a_instruction(ctx, instr, aco_opcode::v_min3_f32, dst, ctx->block->fp_mode.must_flush_denorms32);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
@@ -1663,7 +1671,11 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
break;
}
case nir_op_fmed3: {
if (dst.size() == 1) {
if (dst.regClass() == v2b) {
Temp tmp = bld.tmp(v1);
emit_vop3a_instruction(ctx, instr, aco_opcode::v_med3_f16, tmp, false);
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
} else if (dst.regClass() == v1) {
emit_vop3a_instruction(ctx, instr, aco_opcode::v_med3_f32, dst, ctx->block->fp_mode.must_flush_denorms32);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
@@ -1823,8 +1835,7 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
case nir_op_fsat: {
Temp src = get_alu_src(ctx, instr->src[0]);
if (dst.regClass() == v2b) {
Temp one = bld.copy(bld.def(s1), Operand(0x3c00u));
Temp tmp = bld.vop3(aco_opcode::v_med3_f16, bld.def(v1), Operand(0u), one, src);
Temp tmp = bld.vop3(aco_opcode::v_med3_f16, bld.def(v1), Operand(0u), Operand(0x3f800000u), src);
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
} else if (dst.regClass() == v1) {
bld.vop3(aco_opcode::v_med3_f32, Definition(dst), Operand(0u), Operand(0x3f800000u), src);