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[AArch64] Add :libyuv_sve library in preparation for SVE kernels

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This commit only adds the bare minimum to get the new library building
through GN, the actual content of row_sve.cc is empty for now until we
start porting some kernels across.

Bug: libyuv:973
Change-Id: Ibdf4fc258761f3e507d700f27a405099c667ac75
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5424738
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
This commit is contained in:
George Steed 2024-03-21 16:55:31 +00:00 committed by Frank Barchard
parent f2e78e1304
commit 9a8be20def
3 changed files with 60 additions and 0 deletions
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32
BUILD.gn
View File

@ -35,6 +35,9 @@ config("libyuv_config") {
if (!libyuv_use_neon) {
defines += [ "LIBYUV_DISABLE_NEON" ]
}
if (!libyuv_use_sve) {
defines += [ "LIBYUV_DISABLE_SVE" ]
}
if (libyuv_disable_rvv) {
defines += [ "LIBYUV_DISABLE_RVV" ]
}
@ -78,6 +81,10 @@ group("libyuv") {
deps += [ ":libyuv_neon" ]
}
if (libyuv_use_sve) {
deps += [ ":libyuv_sve" ]
}
if (libyuv_use_msa) {
deps += [ ":libyuv_msa" ]
}
@ -241,6 +248,31 @@ if (libyuv_use_neon) {
}
}
if (libyuv_use_sve) {
static_library("libyuv_sve") {
sources = [
"source/row_sve.cc",
]
deps = [ ":libyuv_internal" ]
public_configs = [ ":libyuv_config" ]
# Always enable optimization for Release and NaCl builds (to workaround
# crbug.com/538243).
if (!is_debug) {
configs -= [ "//build/config/compiler:default_optimization" ]
# Enable optimize for speed (-O2) over size (-Os).
# TODO(fbarchard): Consider optimize_speed which is O3.
configs += [ "//build/config/compiler:optimize_max" ]
}
# SVE2 is an Armv9-A feature.
cflags = [ "-march=armv9-a+sve2" ]
}
}
if (libyuv_use_msa) {
static_library("libyuv_msa") {
sources = [

1
libyuv.gni
View File

@ -18,6 +18,7 @@ declare_args() {
libyuv_use_neon =
current_cpu == "arm64" ||
(current_cpu == "arm" && (arm_use_neon || arm_optionally_use_neon))
libyuv_use_sve = current_cpu == "arm64"
libyuv_use_msa =
(current_cpu == "mips64el" || current_cpu == "mipsel") && mips_use_msa
libyuv_use_mmi =

27
source/row_sve.cc Normal file
View File

@ -0,0 +1,27 @@
/*
* Copyright 2024 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "libyuv/row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
#if !defined(LIBYUV_DISABLE_SVE) && defined(__aarch64__)
// TODO(libyuv:973) Port kernels to SVE/SVE2.
#endif // !defined(LIBYUV_DISABLE_SVE) && defined(__aarch64__)
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif