From 0673c9ec98b6bae12b33dc295564514aaa26e2fc Mon Sep 17 00:00:00 2001 From: Lasse Collin 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 --- src/liblzma/common/memcmplen.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/liblzma/common/memcmplen.h b/src/liblzma/common/memcmplen.h index 5a481a02..5372cfa8 100644 --- 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))));