| https://github.com/tukaani-project/xz/commit/0673c9ec98b6bae12b33dc295564514aaa26e2fc |
| |
| From 0673c9ec98b6bae12b33dc295564514aaa26e2fc Mon Sep 17 00:00:00 2001 |
| From: Lasse Collin <lasse.collin@tukaani.org> |
| Date: Sun, 19 Mar 2023 22:45:59 +0200 |
| Subject: [PATCH] liblzma: Silence -Wsign-conversion in SSE2 code in |
| memcmplen.h. |
| |
| Thanks to Christian Hesse for reporting the issue. |
| Fixes: https://github.com/tukaani-project/xz/issues/44 |
| --- a/src/liblzma/common/memcmplen.h |
| +++ b/src/liblzma/common/memcmplen.h |
| @@ -89,7 +89,8 @@ lzma_memcmplen(const uint8_t *buf1, const uint8_t *buf2, |
| // version isn't used on x86-64. |
| # define LZMA_MEMCMPLEN_EXTRA 16 |
| while (len < limit) { |
| - const uint32_t x = 0xFFFF ^ _mm_movemask_epi8(_mm_cmpeq_epi8( |
| + const uint32_t x = 0xFFFF ^ (uint32_t)_mm_movemask_epi8( |
| + _mm_cmpeq_epi8( |
| _mm_loadu_si128((const __m128i *)(buf1 + len)), |
| _mm_loadu_si128((const __m128i *)(buf2 + len)))); |
| |
| |