Mesa (master): aco: implement 16-bit nir_op_fabs/nir_op_fneg
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Fri Apr 10 06:43:31 UTC 2020
Module: Mesa
Branch: master
Commit: b0b637ca17a54ddef959870cc938e3f872a48977
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b0b637ca17a54ddef959870cc938e3f872a48977
Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date: Fri Apr 3 12:24:41 2020 +0200
aco: implement 16-bit nir_op_fabs/nir_op_fneg
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 | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index 11dda97e2c7..f454f48e054 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -1754,11 +1754,14 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
}
case nir_op_fneg: {
Temp src = get_alu_src(ctx, instr->src[0]);
- if (dst.size() == 1) {
+ if (dst.regClass() == v2b) {
+ Temp tmp = bld.vop2(aco_opcode::v_xor_b32, bld.def(v1), Operand(0x8000u), as_vgpr(ctx, src));
+ bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
+ } else if (dst.regClass() == v1) {
if (ctx->block->fp_mode.must_flush_denorms32)
src = bld.vop2(aco_opcode::v_mul_f32, bld.def(v1), Operand(0x3f800000u), as_vgpr(ctx, src));
bld.vop2(aco_opcode::v_xor_b32, Definition(dst), Operand(0x80000000u), as_vgpr(ctx, src));
- } else if (dst.size() == 2) {
+ } else if (dst.regClass() == v2) {
if (ctx->block->fp_mode.must_flush_denorms16_64)
src = bld.vop3(aco_opcode::v_mul_f64, bld.def(v2), Operand(0x3FF0000000000000lu), as_vgpr(ctx, src));
Temp upper = bld.tmp(v1), lower = bld.tmp(v1);
@@ -1774,11 +1777,14 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
}
case nir_op_fabs: {
Temp src = get_alu_src(ctx, instr->src[0]);
- if (dst.size() == 1) {
+ if (dst.regClass() == v2b) {
+ Temp tmp = bld.vop2(aco_opcode::v_and_b32, bld.def(v1), Operand(0x7FFFu), as_vgpr(ctx, src));
+ bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
+ } else if (dst.regClass() == v1) {
if (ctx->block->fp_mode.must_flush_denorms32)
src = bld.vop2(aco_opcode::v_mul_f32, bld.def(v1), Operand(0x3f800000u), as_vgpr(ctx, src));
bld.vop2(aco_opcode::v_and_b32, Definition(dst), Operand(0x7FFFFFFFu), as_vgpr(ctx, src));
- } else if (dst.size() == 2) {
+ } else if (dst.regClass() == v2) {
if (ctx->block->fp_mode.must_flush_denorms16_64)
src = bld.vop3(aco_opcode::v_mul_f64, bld.def(v2), Operand(0x3FF0000000000000lu), as_vgpr(ctx, src));
Temp upper = bld.tmp(v1), lower = bld.tmp(v1);
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