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cosmetics: alpha_processing_sse2: add const to some casts

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source pointers are often cast to __m128*, retain the const in those
cases

Change-Id: I00ba15af2f43d125ceb2620e82fd43d420fbb9d3
This commit is contained in:
James Zern 2015-02-04 19:47:47 -08:00
parent 1579de3cae
commit 1aadf856c9
1 changed files with 3 additions and 3 deletions
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6
src/dsp/alpha_processing_sse2.c
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@ -39,7 +39,7 @@ static int DispatchAlpha(const uint8_t* alpha, int alpha_stride,
__m128i* out = (__m128i*)dst;
for (i = 0; i < limit; i += 8) {
// load 8 alpha bytes
const __m128i a0 = _mm_loadl_epi64((__m128i*)&alpha[i]);
const __m128i a0 = _mm_loadl_epi64((const __m128i*)&alpha[i]);
const __m128i a1 = _mm_unpacklo_epi8(a0, zero);
const __m128i a2_lo = _mm_unpacklo_epi16(a1, zero);
const __m128i a2_hi = _mm_unpackhi_epi16(a1, zero);
@ -80,7 +80,7 @@ static void DispatchAlphaToGreen(const uint8_t* alpha, int alpha_stride,
const int limit = width & ~15;
for (j = 0; j < height; ++j) {
for (i = 0; i < limit; i += 16) { // process 16 alpha bytes
const __m128i a0 = _mm_loadu_si128((__m128i*)&alpha[i]);
const __m128i a0 = _mm_loadu_si128((const __m128i*)&alpha[i]);
const __m128i a1 = _mm_unpacklo_epi8(zero, a0); // note the 'zero' first!
const __m128i b1 = _mm_unpackhi_epi8(zero, a0);
const __m128i a2_lo = _mm_unpacklo_epi16(a1, zero);
@ -261,7 +261,7 @@ static void MultRow(uint8_t* const ptr, const uint8_t* const alpha,
for (x = 0; x < w2; x += kSpan) {
const __m128i v0 = _mm_loadl_epi64((__m128i*)&ptr[x]);
const __m128i v1 = _mm_unpacklo_epi8(v0, zero);
const __m128i alpha0 = _mm_loadl_epi64((__m128i*)&alpha[x]);
const __m128i alpha0 = _mm_loadl_epi64((const __m128i*)&alpha[x]);
const __m128i alpha1 = _mm_unpacklo_epi8(alpha0, zero);
const __m128i alpha2 = _mm_unpacklo_epi8(alpha0, alpha0);
const __m128i v2 = _mm_mulhi_epu16(v1, alpha2);