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panfrost: drop pan_nir_lower_64bit_intrin

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It's dead code now.

Signed-off-by: Karol Herbst <git@karolherbst.de>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24939>
This commit is contained in:
Karol Herbst
2023-08-30 09:33:47 +02:00
committed by Marge Bot
parent 7d29a264ea
commit bd0d3c7b1c
4 changed files with 0 additions and 72 deletions
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1
src/panfrost/compiler/bifrost_compile.c
View File

@@ -4705,7 +4705,6 @@ bifrost_preprocess_nir(nir_shader *nir, unsigned gpu_id)
NIR_PASS_V(nir, pan_lower_sample_pos);
NIR_PASS_V(nir, nir_lower_bit_size, bi_lower_bit_size, NULL);
NIR_PASS_V(nir, nir_lower_64bit_phis);
NIR_PASS_V(nir, pan_nir_lower_64bit_intrin);
NIR_PASS_V(nir, pan_lower_helper_invocation);
NIR_PASS_V(nir, nir_lower_int64);

1
src/panfrost/midgard/midgard_compile.c
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@@ -362,7 +362,6 @@ midgard_preprocess_nir(nir_shader *nir, unsigned gpu_id)
NIR_PASS_V(nir, nir_lower_ssbo);
NIR_PASS_V(nir, pan_nir_lower_zs_store);
NIR_PASS_V(nir, pan_nir_lower_64bit_intrin);
NIR_PASS_V(nir, nir_lower_frexp);
NIR_PASS_V(nir, midgard_nir_lower_global_load);

1
src/panfrost/util/meson.build
View File

@@ -32,7 +32,6 @@ libpanfrost_util_files = files(
'pan_lower_store_component.c',
'pan_lower_writeout.c',
'pan_lower_xfb.c',
'pan_lower_64bit_intrin.c',
)
libpanfrost_util = static_library(

69
src/panfrost/util/pan_lower_64bit_intrin.c
View File

@@ -1,69 +0,0 @@
/*
* Copyright (C) 2020 Icecream95 <ixn@disroot.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "compiler/nir/nir_builder.h"
#include "pan_ir.h"
/* OpenCL uses 64-bit types for some intrinsic functions, including
* global_invocation_id(). This could be worked around during conversion to
* MIR, except that global_invocation_id is a vec3, and the 128-bit registers
* on Midgard can only hold a 64-bit vec2.
* Rather than attempting to add hacky 64-bit vec3 support, convert these
* intrinsics to 32-bit and add a cast back to 64-bit, and rely on NIR not
* vectorizing back to vec3.
*/
static bool
nir_lower_64bit_intrin_instr(nir_builder *b, nir_intrinsic_instr *intr,
void *data)
{
switch (intr->intrinsic) {
case nir_intrinsic_load_global_invocation_id:
case nir_intrinsic_load_global_invocation_id_zero_base:
break;
default:
return false;
}
if (intr->def.bit_size != 64)
return false;
b->cursor = nir_after_instr(&intr->instr);
intr->def.bit_size = 32;
nir_def *conv = nir_u2u64(b, &intr->def);
nir_def_rewrite_uses_after(&intr->def, conv, conv->parent_instr);
return true;
}
bool
pan_nir_lower_64bit_intrin(nir_shader *shader)
{
return nir_shader_intrinsics_pass(
shader, nir_lower_64bit_intrin_instr,
nir_metadata_block_index | nir_metadata_dominance, NULL);
}