v1-zero-extend-instead-of-cast.patch
text/x-patch
Filename: v1-zero-extend-instead-of-cast.patch
Type: text/x-patch
Part: 0
Patch
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API reference →
Format: unified
Series: patch v1
| File | + | − |
|---|---|---|
| src/port/pg_crc32c_sse42.c | 1 | 1 |
| src/port/pg_crc32c_sse42_choose.c | 1 | 3 |
diff --git a/src/port/pg_crc32c_sse42.c b/src/port/pg_crc32c_sse42.c index 9af3474a6ca..1a717255355 100644 --- a/src/port/pg_crc32c_sse42.c +++ b/src/port/pg_crc32c_sse42.c @@ -123,7 +123,7 @@ pg_comp_crc32c_avx512(pg_crc32c crc, const void *data, size_t len) __m512i k; k = _mm512_broadcast_i32x4(_mm_setr_epi32(0x740eef02, 0, 0x9e4addf8, 0)); - x0 = _mm512_xor_si512(_mm512_castsi128_si512(_mm_cvtsi32_si128(crc0)), x0); + x0 = _mm512_xor_si512(_mm512_zextsi128_si512(_mm_cvtsi32_si128(crc0)), x0); buf += 64; /* Main loop. */ diff --git a/src/port/pg_crc32c_sse42_choose.c b/src/port/pg_crc32c_sse42_choose.c index 802e47788c1..74d2421ba2b 100644 --- a/src/port/pg_crc32c_sse42_choose.c +++ b/src/port/pg_crc32c_sse42_choose.c @@ -95,9 +95,7 @@ pg_comp_crc32c_choose(pg_crc32c crc, const void *data, size_t len) __cpuidex(exx, 7, 0); #endif -#if defined(__clang__) && !defined(__OPTIMIZE__) - /* Some versions of clang are broken at -O0 */ -#elif defined(USE_AVX512_CRC32C_WITH_RUNTIME_CHECK) +#ifdef USE_AVX512_CRC32C_WITH_RUNTIME_CHECK if (exx[2] & (1 << 10) && /* VPCLMULQDQ */ exx[1] & (1 << 31)) /* AVX512-VL */ pg_comp_crc32c = pg_comp_crc32c_avx512;