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nir: Drop nir_lower_legacy_atomics

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23036>
This commit is contained in:
Alyssa Rosenzweig 2023-05-15 10:19:20 -04:00 • committed by Marge Bot
parent c323762f9f
commit 0a4c31003d
3 changed files with 0 additions and 88 deletions
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1
src/compiler/nir/meson.build
View file

@ -163,7 +163,6 @@ files_libnir = files(
'nir_lower_goto_ifs.c',
'nir_lower_gs_intrinsics.c',
'nir_lower_helper_writes.c',
'nir_lower_legacy_atomics.c',
'nir_lower_load_const_to_scalar.c',
'nir_lower_locals_to_regs.c',
'nir_lower_idiv.c',

1
src/compiler/nir/nir.h
View file

@ -5639,7 +5639,6 @@ typedef struct nir_lower_bitmap_options {
void nir_lower_bitmap(nir_shader *shader, const nir_lower_bitmap_options *options);
bool nir_lower_atomics_to_ssbo(nir_shader *shader, unsigned offset_align_state);
bool nir_lower_legacy_atomics(nir_shader *shader);
typedef enum {
nir_lower_int_source_mods = 1 << 0,

86
src/compiler/nir/nir_lower_legacy_atomics.c
View file

@ -1,86 +0,0 @@
/*
* Copyright 2023 Valve Corporation
* Copyright 2023 Collabora, Ltd.
* SPDX-License-Identifier: MIT
*/
#include "compiler/nir/nir_builder.h"
static bool
get_atomic_op(const nir_intrinsic_instr *atomic, nir_intrinsic_op *out_intr,
nir_atomic_op *out_op)
{
#define CASE(prefix, suffix, atom, op, swap) \
case nir_intrinsic_##prefix##_atomic_##atom##suffix: \
*out_op = nir_atomic_op_##op; \
*out_intr = swap ? nir_intrinsic_##prefix##_atomic_swap##suffix : \
nir_intrinsic_##prefix##_atomic##suffix; \
return true;
#define CASES_NO_IMAGE(atom, op, swap) \
CASE(deref,, atom, op, swap) \
CASE(ssbo,, atom, op, swap) \
CASE(shared,, atom, op, swap) \
CASE(task_payload,, atom, op, swap) \
CASE(global,, atom, op, swap) \
CASE(global, _2x32, atom, op, swap) \
CASE(global, _amd, atom, op, swap)
#define CASES_IMAGE(atom, op, swap) \
CASE(image,, atom, op, swap) \
CASE(image_deref,, atom, op, swap) \
CASE(bindless_image,, atom, op, swap)
#define CASES(atom, op, swap) \
CASES_NO_IMAGE(atom, op, swap) \
CASES_IMAGE(atom, op, swap) \
switch (atomic->intrinsic) {
CASES(add, iadd, false);
CASES(imin, imin, false);
CASES(umin, umin, false);
CASES(imax, imax, false);
CASES(umax, umax, false);
CASES(and, iand, false);
CASES(or, ior, false);
CASES(xor, ixor, false);
CASES(exchange, xchg, false);
CASES(fadd, fadd, false);
CASES(fmin, fmin, false);
CASES(fmax, fmax, false);
CASES(comp_swap, cmpxchg, true);
CASES_NO_IMAGE(fcomp_swap, fcmpxchg, true);
CASES_IMAGE(inc_wrap, inc_wrap, false);
CASES_IMAGE(dec_wrap, dec_wrap, false);
default:
return false;
}
#undef CASE
#undef CASES_NO_IMAGE
#undef CASES
}
static bool
pass(nir_builder *b, nir_instr *instr, UNUSED void *data)
{
if (instr->type != nir_instr_type_intrinsic)
return false;
nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
nir_intrinsic_op intr_op;
nir_atomic_op op;
if (!get_atomic_op(intr, &intr_op, &op))
return false;
intr->intrinsic = intr_op;
nir_intrinsic_set_atomic_op(intr, op);
return false;
}
bool
nir_lower_legacy_atomics(nir_shader *shader)
{
return nir_shader_instructions_pass(
shader, pass, nir_metadata_block_index | nir_metadata_dominance, NULL);
}