Mesa (master): aco: implement 16-bit nir_op_fmul
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Fri Apr 10 06:43:31 UTC 2020
Module: Mesa
Branch: master
Commit: 0ecca65d119ba34acbf2a681b78a574bd862785b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0ecca65d119ba34acbf2a681b78a574bd862785b
Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date: Fri Apr 3 13:44:40 2020 +0200
aco: implement 16-bit nir_op_fmul
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Daniel Schürmann <daniel at schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4452>
---
src/amd/compiler/aco_instruction_selection.cpp | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index aad65e81124..553d12abbaf 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -1526,11 +1526,16 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
break;
}
case nir_op_fmul: {
- if (dst.size() == 1) {
+ Temp src0 = get_alu_src(ctx, instr->src[0]);
+ Temp src1 = as_vgpr(ctx, get_alu_src(ctx, instr->src[1]));
+ if (dst.regClass() == v2b) {
+ Temp tmp = bld.tmp(v1);
+ emit_vop2_instruction(ctx, instr, aco_opcode::v_mul_f16, tmp, true);
+ bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
+ } else if (dst.regClass() == v1) {
emit_vop2_instruction(ctx, instr, aco_opcode::v_mul_f32, dst, true);
- } else if (dst.size() == 2) {
- bld.vop3(aco_opcode::v_mul_f64, Definition(dst), get_alu_src(ctx, instr->src[0]),
- as_vgpr(ctx, get_alu_src(ctx, instr->src[1])));
+ } else if (dst.regClass() == v2) {
+ bld.vop3(aco_opcode::v_mul_f64, Definition(dst), src0, src1);
} else {
fprintf(stderr, "Unimplemented NIR instr bit size: ");
nir_print_instr(&instr->instr, stderr);
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