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src: use SIMD for snapshot checksum #47145

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src: use SIMD for snapshot checksum #47145

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133 changes: 96 additions & 37 deletions tools/v8_gypfiles/v8.gyp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
{
'variables': {
'V8_ROOT': '../../deps/v8',
'V8_ZLIB_ROOT': '<(V8_ROOT)/third_party/zlib',
'arm_fpu%': '',
'v8_code': 1,
'v8_random_seed%': 314159265,
'v8_vector_stores%': 0,
Expand Down Expand Up @@ -1884,6 +1886,54 @@
},
}, # postmortem-metadata

{
'target_name': 'v8_zlib_adler32_simd',
'type': 'static_library',
'conditions': [
['target_arch in "ia32 x64" and OS!="ios"', {
'defines': [ 'ADLER32_SIMD_SSSE3' ],
'conditions': [
['OS=="win"', {
'defines': [ 'X86_WINDOWS' ],
},{
'defines': [ 'X86_NOT_WINDOWS' ],
}],
['OS!="win" or llvm_version!="0.0"', {
'cflags': [ '-mssse3' ],
'xcode_settings': {
'OTHER_CFLAGS': [ '-mssse3' ],
},
}],
],
}],
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It's pretty unclear why it would be safe to assume SSSE3 support here.

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this is copied from deps/zlib/zlib.gyp; runtime CPU detection is used to decide which SIMD version to call into. (Or are you suggesting that we should add a comment to that effect?)

['arm_fpu=="neon"', {
'defines': [ 'ADLER32_SIMD_NEON' ],
}],
],
'include_dirs': [ '<(V8_ZLIB_ROOT)' ],
'direct_dependent_settings': {
'conditions': [
['target_arch in "ia32 x64" and OS!="ios"', {
'defines': [ 'ADLER32_SIMD_SSSE3' ],
'conditions': [
['OS=="win"', {
'defines': [ 'X86_WINDOWS' ],
},{
'defines': [ 'X86_NOT_WINDOWS' ],
}],
],
}],
['arm_fpu=="neon"', {
'defines': [ 'ADLER32_SIMD_NEON' ],
}],
],
'include_dirs': [ '<(V8_ZLIB_ROOT)' ],
},
'sources': [
'<!@pymod_do_main(GN-scraper "<(V8_ZLIB_ROOT)/BUILD.gn" "\\"zlib_adler32_simd\\".*?sources = ")',
],
}, # v8_zlib_adler32_simd

{
'target_name': 'v8_zlib',
'type': 'static_library',
Expand All @@ -1898,52 +1948,61 @@
}]
]
}],
['target_arch in "ia32 x64" and OS!="ios"', {
'dependencies': [
'v8_zlib_adler32_simd',
],
}],
['arm_fpu=="neon"', {
'dependencies': [
'v8_zlib_adler32_simd',
],
}],
],
'direct_dependent_settings': {
'include_dirs': [
'<(V8_ROOT)/third_party/zlib',
'<(V8_ROOT)/third_party/zlib/google',
'<(V8_ZLIB_ROOT)',
'<(V8_ZLIB_ROOT)/google',
],
},
'defines': [ 'ZLIB_IMPLEMENTATION' ],
'include_dirs': [
'<(V8_ROOT)/third_party/zlib',
'<(V8_ROOT)/third_party/zlib/google',
'<(V8_ZLIB_ROOT)',
'<(V8_ZLIB_ROOT)/google',
],
'sources': [
'<(V8_ROOT)/third_party/zlib/adler32.c',
'<(V8_ROOT)/third_party/zlib/chromeconf.h',
'<(V8_ROOT)/third_party/zlib/compress.c',
'<(V8_ROOT)/third_party/zlib/contrib/optimizations/insert_string.h',
'<(V8_ROOT)/third_party/zlib/contrib/optimizations/insert_string.h',
'<(V8_ROOT)/third_party/zlib/cpu_features.c',
'<(V8_ROOT)/third_party/zlib/cpu_features.h',
'<(V8_ROOT)/third_party/zlib/crc32.c',
'<(V8_ROOT)/third_party/zlib/crc32.h',
'<(V8_ROOT)/third_party/zlib/deflate.c',
'<(V8_ROOT)/third_party/zlib/deflate.h',
'<(V8_ROOT)/third_party/zlib/gzclose.c',
'<(V8_ROOT)/third_party/zlib/gzguts.h',
'<(V8_ROOT)/third_party/zlib/gzlib.c',
'<(V8_ROOT)/third_party/zlib/gzread.c',
'<(V8_ROOT)/third_party/zlib/gzwrite.c',
'<(V8_ROOT)/third_party/zlib/infback.c',
'<(V8_ROOT)/third_party/zlib/inffast.c',
'<(V8_ROOT)/third_party/zlib/inffast.h',
'<(V8_ROOT)/third_party/zlib/inffixed.h',
'<(V8_ROOT)/third_party/zlib/inflate.c',
'<(V8_ROOT)/third_party/zlib/inflate.h',
'<(V8_ROOT)/third_party/zlib/inftrees.c',
'<(V8_ROOT)/third_party/zlib/inftrees.h',
'<(V8_ROOT)/third_party/zlib/trees.c',
'<(V8_ROOT)/third_party/zlib/trees.h',
'<(V8_ROOT)/third_party/zlib/uncompr.c',
'<(V8_ROOT)/third_party/zlib/zconf.h',
'<(V8_ROOT)/third_party/zlib/zlib.h',
'<(V8_ROOT)/third_party/zlib/zutil.c',
'<(V8_ROOT)/third_party/zlib/zutil.h',
'<(V8_ROOT)/third_party/zlib/google/compression_utils_portable.cc',
'<(V8_ROOT)/third_party/zlib/google/compression_utils_portable.h',
'<(V8_ZLIB_ROOT)/chromeconf.h',
'<(V8_ZLIB_ROOT)/adler32.c',
'<(V8_ZLIB_ROOT)/compress.c',
'<(V8_ZLIB_ROOT)/contrib/optimizations/insert_string.h',
'<(V8_ZLIB_ROOT)/cpu_features.c',
'<(V8_ZLIB_ROOT)/cpu_features.h',
'<(V8_ZLIB_ROOT)/crc32.c',
'<(V8_ZLIB_ROOT)/crc32.h',
'<(V8_ZLIB_ROOT)/deflate.c',
'<(V8_ZLIB_ROOT)/deflate.h',
'<(V8_ZLIB_ROOT)/gzclose.c',
'<(V8_ZLIB_ROOT)/gzguts.h',
'<(V8_ZLIB_ROOT)/gzlib.c',
'<(V8_ZLIB_ROOT)/gzread.c',
'<(V8_ZLIB_ROOT)/gzwrite.c',
'<(V8_ZLIB_ROOT)/infback.c',
'<(V8_ZLIB_ROOT)/inffast.c',
'<(V8_ZLIB_ROOT)/inffast.h',
'<(V8_ZLIB_ROOT)/inffixed.h',
'<(V8_ZLIB_ROOT)/inflate.c',
'<(V8_ZLIB_ROOT)/inflate.h',
'<(V8_ZLIB_ROOT)/inftrees.c',
'<(V8_ZLIB_ROOT)/inftrees.h',
'<(V8_ZLIB_ROOT)/trees.c',
'<(V8_ZLIB_ROOT)/trees.h',
'<(V8_ZLIB_ROOT)/uncompr.c',
'<(V8_ZLIB_ROOT)/zconf.h',
'<(V8_ZLIB_ROOT)/zlib.h',
'<(V8_ZLIB_ROOT)/zutil.c',
'<(V8_ZLIB_ROOT)/zutil.h',
'<(V8_ZLIB_ROOT)/google/compression_utils_portable.cc',
'<(V8_ZLIB_ROOT)/google/compression_utils_portable.h',
],
}, # v8_zlib
],
Expand Down