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cosmetics: dec_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: I77decb55f1382bea4b646a11b77dfa40bf1ef94d
This commit is contained in:
James Zern 2015-02-04 19:52:59 -08:00
parent 0254db9793
commit 860badcacc
1 changed files with 17 additions and 17 deletions
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34
src/dsp/dec_sse2.c
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@ -52,19 +52,19 @@ static void Transform(const int16_t* in, uint8_t* dst, int do_two) {
// vectors will just contain random value we'll never use nor store.
__m128i in0, in1, in2, in3;
{
in0 = _mm_loadl_epi64((__m128i*)&in[0]);
in1 = _mm_loadl_epi64((__m128i*)&in[4]);
in2 = _mm_loadl_epi64((__m128i*)&in[8]);
in3 = _mm_loadl_epi64((__m128i*)&in[12]);
in0 = _mm_loadl_epi64((const __m128i*)&in[0]);
in1 = _mm_loadl_epi64((const __m128i*)&in[4]);
in2 = _mm_loadl_epi64((const __m128i*)&in[8]);
in3 = _mm_loadl_epi64((const __m128i*)&in[12]);
// a00 a10 a20 a30 x x x x
// a01 a11 a21 a31 x x x x
// a02 a12 a22 a32 x x x x
// a03 a13 a23 a33 x x x x
if (do_two) {
const __m128i inB0 = _mm_loadl_epi64((__m128i*)&in[16]);
const __m128i inB1 = _mm_loadl_epi64((__m128i*)&in[20]);
const __m128i inB2 = _mm_loadl_epi64((__m128i*)&in[24]);
const __m128i inB3 = _mm_loadl_epi64((__m128i*)&in[28]);
const __m128i inB0 = _mm_loadl_epi64((const __m128i*)&in[16]);
const __m128i inB1 = _mm_loadl_epi64((const __m128i*)&in[20]);
const __m128i inB2 = _mm_loadl_epi64((const __m128i*)&in[24]);
const __m128i inB3 = _mm_loadl_epi64((const __m128i*)&in[28]);
in0 = _mm_unpacklo_epi64(in0, inB0);
in1 = _mm_unpacklo_epi64(in1, inB1);
in2 = _mm_unpacklo_epi64(in2, inB2);
@ -528,10 +528,10 @@ static WEBP_INLINE void Load8x4(const uint8_t* const b, int stride,
__m128i t1, t2;
// Load 0th, 1st, 4th and 5th rows
__m128i r0 = _mm_cvtsi32_si128(*((int*)&b[0 * stride])); // 03 02 01 00
__m128i r1 = _mm_cvtsi32_si128(*((int*)&b[1 * stride])); // 13 12 11 10
__m128i r4 = _mm_cvtsi32_si128(*((int*)&b[4 * stride])); // 43 42 41 40
__m128i r5 = _mm_cvtsi32_si128(*((int*)&b[5 * stride])); // 53 52 51 50
__m128i r0 = _mm_cvtsi32_si128(*(const int*)&b[0 * stride]); // 03 02 01 00
__m128i r1 = _mm_cvtsi32_si128(*(const int*)&b[1 * stride]); // 13 12 11 10
__m128i r4 = _mm_cvtsi32_si128(*(const int*)&b[4 * stride]); // 43 42 41 40
__m128i r5 = _mm_cvtsi32_si128(*(const int*)&b[5 * stride]); // 53 52 51 50
r0 = _mm_unpacklo_epi32(r0, r4); // 43 42 41 40 03 02 01 00
r1 = _mm_unpacklo_epi32(r1, r5); // 53 52 51 50 13 12 11 10
@ -540,10 +540,10 @@ static WEBP_INLINE void Load8x4(const uint8_t* const b, int stride,
t1 = _mm_unpacklo_epi8(r0, r1);
// Load 2nd, 3rd, 6th and 7th rows
r0 = _mm_cvtsi32_si128(*((int*)&b[2 * stride])); // 23 22 21 22
r1 = _mm_cvtsi32_si128(*((int*)&b[3 * stride])); // 33 32 31 30
r4 = _mm_cvtsi32_si128(*((int*)&b[6 * stride])); // 63 62 61 60
r5 = _mm_cvtsi32_si128(*((int*)&b[7 * stride])); // 73 72 71 70
r0 = _mm_cvtsi32_si128(*(const int*)&b[2 * stride]); // 23 22 21 22
r1 = _mm_cvtsi32_si128(*(const int*)&b[3 * stride]); // 33 32 31 30
r4 = _mm_cvtsi32_si128(*(const int*)&b[6 * stride]); // 63 62 61 60
r5 = _mm_cvtsi32_si128(*(const int*)&b[7 * stride]); // 73 72 71 70
r0 = _mm_unpacklo_epi32(r0, r4); // 63 62 61 60 23 22 21 20
r1 = _mm_unpacklo_epi32(r1, r5); // 73 72 71 70 33 32 31 30
@ -1077,7 +1077,7 @@ static WEBP_INLINE void TrueMotion(uint8_t* dst, int size) {
const __m128i zero = _mm_setzero_si128();
int y;
if (size == 4) {
const __m128i top_values = _mm_cvtsi32_si128(*(int*)top);
const __m128i top_values = _mm_cvtsi32_si128(*(const int*)top);
const __m128i top_base = _mm_unpacklo_epi8(top_values, zero);
for (y = 0; y < 4; ++y, dst += BPS) {
const int val = dst[-1] - top[-1];