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dsp/cost*: use WEBP_RESTRICT qualifier

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on SetResidualCoeffs_*. This results in some minor code reordering when
targeting arvm7 with ndk r27 and other recent versions of clang. No
changes in the x86 compilations with clang-16 / gcc-13.

This only affects non-vector pointers; any vector pointers are left as a
follow up.

Change-Id: I7c3554ece848fafbc5ac9c4944f1dc85129f6fd8
This commit is contained in:
James Zern
2021-07-03 17:45:13 -07:00
parent 84b118c9c3
commit 02eac8a741
5 changed files with 11 additions and 10 deletions
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4
src/dsp/cost_sse2.c
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@ -22,8 +22,8 @@
//------------------------------------------------------------------------------
static void SetResidualCoeffs_SSE2(const int16_t* const coeffs,
VP8Residual* const res) {
static void SetResidualCoeffs_SSE2(const int16_t* WEBP_RESTRICT const coeffs,
VP8Residual* WEBP_RESTRICT const res) {
const __m128i c0 = _mm_loadu_si128((const __m128i*)(coeffs + 0));
const __m128i c1 = _mm_loadu_si128((const __m128i*)(coeffs + 8));
// Use SSE2 to compare 16 values with a single instruction.