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Merge "(alpha_processing,enc}_sse2: quiet signed conv warnings"

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James Zern 2019-06-11 17:42:04 +00:00 committed by Gerrit Code Review
commit 0550576faa
2 changed files with 3 additions and 3 deletions
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4
src/dsp/alpha_processing_sse2.c
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@ -214,7 +214,7 @@ static void ApplyAlphaMultiply_SSE2(uint8_t* rgba, int alpha_first,
// Alpha detection // Alpha detection
static int HasAlpha8b_SSE2(const uint8_t* src, int length) { static int HasAlpha8b_SSE2(const uint8_t* src, int length) {
const __m128i all_0xff = _mm_set1_epi8(0xff); const __m128i all_0xff = _mm_set1_epi8((char)0xff);
int i = 0; int i = 0;
for (; i + 16 <= length; i += 16) { for (; i + 16 <= length; i += 16) {
const __m128i v = _mm_loadu_si128((const __m128i*)(src + i)); const __m128i v = _mm_loadu_si128((const __m128i*)(src + i));
@ -228,7 +228,7 @@ static int HasAlpha8b_SSE2(const uint8_t* src, int length) {
static int HasAlpha32b_SSE2(const uint8_t* src, int length) { static int HasAlpha32b_SSE2(const uint8_t* src, int length) {
const __m128i alpha_mask = _mm_set1_epi32(0xff); const __m128i alpha_mask = _mm_set1_epi32(0xff);
const __m128i all_0xff = _mm_set1_epi8(0xff); const __m128i all_0xff = _mm_set1_epi8((char)0xff);
int i = 0; int i = 0;
// We don't know if we can access the last 3 bytes after the last alpha // We don't know if we can access the last 3 bytes after the last alpha
// value 'src[4 * length - 4]' (because we don't know if alpha is the first // value 'src[4 * length - 4]' (because we don't know if alpha is the first

2
src/dsp/enc_sse2.c
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@ -777,7 +777,7 @@ static WEBP_INLINE void VR4_SSE2(uint8_t* dst,
const __m128i ABCD0 = _mm_srli_si128(XABCD, 1); const __m128i ABCD0 = _mm_srli_si128(XABCD, 1);
const __m128i abcd = _mm_avg_epu8(XABCD, ABCD0); const __m128i abcd = _mm_avg_epu8(XABCD, ABCD0);
const __m128i _XABCD = _mm_slli_si128(XABCD, 1); const __m128i _XABCD = _mm_slli_si128(XABCD, 1);
const __m128i IXABCD = _mm_insert_epi16(_XABCD, I | (X << 8), 0); const __m128i IXABCD = _mm_insert_epi16(_XABCD, (short)(I | (X << 8)), 0);
const __m128i avg1 = _mm_avg_epu8(IXABCD, ABCD0); const __m128i avg1 = _mm_avg_epu8(IXABCD, ABCD0);
const __m128i lsb = _mm_and_si128(_mm_xor_si128(IXABCD, ABCD0), one); const __m128i lsb = _mm_and_si128(_mm_xor_si128(IXABCD, ABCD0), one);
const __m128i avg2 = _mm_subs_epu8(avg1, lsb); const __m128i avg2 = _mm_subs_epu8(avg1, lsb);