Port SkUtils opts to SkOpts.

src/opts/SkUtils_opts_SSE2.cpp

-/*
- * Copyright 2009 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <emmintrin.h>
-#include "SkUtils_opts_SSE2.h"
-
-void sk_memset16_SSE2(uint16_t *dst, uint16_t value, int count)
-{
-    SkASSERT(dst != NULL && count >= 0);
-
-    // dst must be 2-byte aligned.
-    SkASSERT((((size_t) dst) & 0x01) == 0);
-
-    if (count >= 32) {
-        while (((size_t)dst) & 0x0F) {
-            *dst++ = value;
-            --count;
-        }
-        __m128i *d = reinterpret_cast<__m128i*>(dst);
-        __m128i value_wide = _mm_set1_epi16(value);
-        while (count >= 32) {
-            _mm_store_si128(d    , value_wide);
-            _mm_store_si128(d + 1, value_wide);
-            _mm_store_si128(d + 2, value_wide);
-            _mm_store_si128(d + 3, value_wide);
-            d += 4;
-            count -= 32;
-        }
-        dst = reinterpret_cast<uint16_t*>(d);
-    }
-    while (count > 0) {
-        *dst++ = value;
-        --count;
-    }
-}
-
-void sk_memset32_SSE2(uint32_t *dst, uint32_t value, int count)
-{
-    SkASSERT(dst != NULL && count >= 0);
-
-    // dst must be 4-byte aligned.
-    SkASSERT((((size_t) dst) & 0x03) == 0);
-
-    if (count >= 16) {
-        while (((size_t)dst) & 0x0F) {
-            *dst++ = value;
-            --count;
-        }
-        __m128i *d = reinterpret_cast<__m128i*>(dst);
-        __m128i value_wide = _mm_set1_epi32(value);
-        while (count >= 16) {
-            _mm_store_si128(d    , value_wide);
-            _mm_store_si128(d + 1, value_wide);
-            _mm_store_si128(d + 2, value_wide);
-            _mm_store_si128(d + 3, value_wide);
-            d += 4;
-            count -= 16;
-        }
-        dst = reinterpret_cast<uint32_t*>(d);
-    }
-    while (count > 0) {
-        *dst++ = value;
-        --count;
-    }
-}