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enable NEON intrinsics in aarch64 builds

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avoids functions that use vtbl? as in iOS builds these are marked
unavailable

Change-Id: I17aedc3c7dc8f1d5be0941205de0b22c3772ef1b
This commit is contained in:
James Zern
2014-05-02 20:38:21 -07:00
parent b9d2bb67d6
commit 1ba61b09f9
4 changed files with 22 additions and 10 deletions
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13
src/dsp/lossless_neon.c
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@ -23,7 +23,7 @@
//------------------------------------------------------------------------------
// Colorspace conversion functions
#if LOCAL_GCC_PREREQ(4,8)
#if !defined(WORK_AROUND_GCC)
// gcc 4.6.0 had some trouble (NDK-r9) with this code. We only use it for
// gcc-4.8.x at least.
static void ConvertBGRAToRGBA(const uint32_t* src,
@ -65,7 +65,7 @@ static void ConvertBGRAToRGB(const uint32_t* src,
VP8LConvertBGRAToRGB_C(src, num_pixels & 15, dst); // left-overs
}
#else
#else // WORK_AROUND_GCC
// gcc-4.6.0 fallback
@ -135,7 +135,7 @@ static void ConvertBGRAToRGB(const uint32_t* src,
VP8LConvertBGRAToRGB_C(src, num_pixels & 7, dst); // left-overs
}
#endif // gcc-4.8
#endif // !WORK_AROUND_GCC
//------------------------------------------------------------------------------
@ -263,6 +263,9 @@ static uint32_t Predictor13(uint32_t left, const uint32_t* const top) {
//------------------------------------------------------------------------------
// Subtract-Green Transform
// vtbl? are unavailable in iOS/arm64 builds.
#if !defined(__aarch64__)
// 255 = byte will be zero'd
static const uint8_t kGreenShuffle[8] = { 1, 255, 1, 255, 5, 255, 5, 255 };
@ -294,6 +297,8 @@ static void AddGreenToBlueAndRed(uint32_t* argb_data, int num_pixels) {
VP8LAddGreenToBlueAndRed_C(argb_data, num_pixels & 3);
}
#endif // !__aarch64__
#endif // USE_INTRINSICS
#endif // WEBP_USE_NEON
@ -319,9 +324,11 @@ void VP8LDspInitNEON(void) {
VP8LPredictors[12] = Predictor12;
VP8LPredictors[13] = Predictor13;
#if !defined(__aarch64__)
VP8LSubtractGreenFromBlueAndRed = SubtractGreenFromBlueAndRed;
VP8LAddGreenToBlueAndRed = AddGreenToBlueAndRed;
#endif
#endif
#endif // WEBP_USE_NEON
}