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Make zlib go faster

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Justine Tunney 2022-09-18 06:30:45 -07:00
parent be29b709b7
commit 224c12f54d
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GPG key ID: BE714B4575D6E328
6 changed files with 16 additions and 43 deletions
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10
third_party/zlib/deflate.c vendored
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@ -243,14 +243,6 @@ int ZEXPORT deflateInit2(strm, level, method, windowBits, memLevel, strategy)
deflate_state *s;
int wrap = 1;
// Needed to activate optimized insert_string() that helps compression
// for all wrapper formats (e.g. RAW, ZLIB, GZIP).
// Feature detection is not triggered while using RAW mode (i.e. we never
// call crc32() with a NULL buffer).
#if defined(CRC32_ARMV8_CRC32) || defined(CRC32_SIMD_SSE42_PCLMUL)
cpu_check_features();
#endif
if (strm == Z_NULL) return Z_STREAM_ERROR;
strm->msg = Z_NULL;
@ -306,7 +298,7 @@ int ZEXPORT deflateInit2(strm, level, method, windowBits, memLevel, strategy)
s->chromium_zlib_hash = 0;
#if !defined(USE_ZLIB_RABIN_KARP_ROLLING_HASH)
#if defined(TARGET_CPU_WITH_CRC) && defined(CRC32_SIMD_SSE42_PCLMUL)
if (x86_cpu_enable_simd)
if (X86_HAVE(SSE4_2))
s->chromium_zlib_hash = 1;
#elif defined(TARGET_CPU_WITH_CRC) && defined(CRC32_ARMV8_CRC32)
if (arm_cpu_enable_crc32)