Remove SSE2 ColorRect32 code/files

src/opts/SkBlitRect_opts_SSE2.cpp

-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <emmintrin.h>
-#include "SkBlitRect_opts_SSE2.h"
-#include "SkBlitRow.h"
-#include "SkColorPriv.h"
-
-/* Simple blitting of opaque rectangles less than 31 pixels wide:
- * inlines and merges sections of Color32_SSE2 and sk_memset32_SSE2.
- */
-static void BlitRect32_OpaqueNarrow_SSE2(SkPMColor* SK_RESTRICT destination,
-                                  int width, int height,
-                                  size_t rowBytes, uint32_t color) {
-    SkASSERT(255 == SkGetPackedA32(color));
-    SkASSERT(width > 0);
-    SkASSERT(width < 31);
-
-    while (--height >= 0) {
-        SkPMColor* dst = destination;
-        int count = width;
-
-        while (count > 4) {
-            *dst++ = color;
-            *dst++ = color;
-            *dst++ = color;
-            *dst++ = color;
-            count -= 4;
-        }
-
-        while (count > 0) {
-            *dst++ = color;
-            --count;
-        }
-
-        destination = (uint32_t*)((char*)destination + rowBytes);
-    }
-}
-
-/*
- * Fast blitting of opaque rectangles at least 31 pixels wide:
- * inlines and merges sections of Color32_SSE2 and sk_memset32_SSE2.
- * A 31 pixel rectangle is guaranteed to have at least one
- * 16-pixel aligned span that can take advantage of mm_store.
- */
-static void BlitRect32_OpaqueWide_SSE2(SkPMColor* SK_RESTRICT destination,
-                                int width, int height,
-                                size_t rowBytes, uint32_t color) {
-    SkASSERT(255 == SkGetPackedA32(color));
-    SkASSERT(width >= 31);
-
-    __m128i color_wide = _mm_set1_epi32(color);
-    while (--height >= 0) {
-        // Prefetching one row ahead to L1 cache can equal hardware
-        // performance for large/tall rects, but never *beats*
-        // hardware performance.
-        SkPMColor* dst = destination;
-        int count = width;
-
-        while (((size_t)dst) & 0x0F) {
-            *dst++ = color;
-            --count;
-        }
-        __m128i *d = reinterpret_cast<__m128i*>(dst);
-
-        // Googling suggests _mm_stream is only going to beat _mm_store
-        // for things that wouldn't fit in L2 cache anyway, typically
-        // >500kB, and precisely fill cache lines.  For us, with
-        // arrays > 100k elements _mm_stream is still 100%+ slower than
-        // mm_store.
-
-        // Unrolling to count >= 64 is a break-even for most
-        // input patterns; we seem to be saturating the bus and having
-        // low enough overhead at 32.
-
-        while (count >= 32) {
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            count -= 32;
-        }
-        if (count >= 16) {
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            _mm_store_si128(d++, color_wide);
-            count -= 16;
-        }
-        dst = reinterpret_cast<uint32_t*>(d);
-
-        // Unrolling the loop in the Narrow code is a significant performance
-        // gain, but unrolling this loop appears to make no difference in
-        // benchmarks with either mm_store_si128 or individual sets.
-
-        while (count > 0) {
-            *dst++ = color;
-            --count;
-        }
-
-        destination = (uint32_t*)((char*)destination + rowBytes);
-    }
-}
-
-void ColorRect32_SSE2(SkPMColor* destination,
-                      int width, int height,
-                      size_t rowBytes, uint32_t color) {
-    if (0 == height || 0 == width || 0 == color) {
-        return;
-    }
-    unsigned colorA = SkGetPackedA32(color);
-    colorA = 0; // skip below if () for now...(has been disabled since this was added in r3423).
-    if (255 == colorA) {
-        if (width < 31) {
-            BlitRect32_OpaqueNarrow_SSE2(destination, width, height,
-                                         rowBytes, color);
-        } else {
-            BlitRect32_OpaqueWide_SSE2(destination, width, height,
-                                       rowBytes, color);
-        }
-    } else {
-        SkBlitRow::ColorRect32(destination, width, height, rowBytes, color);
-    }
-}