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fix iOS arm64 build with Xcode 6.3

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the standard vtbl functions are available there [1][2].
based on a patch from: aaroncrespo
fixes issue #243.

[1]
http://adcdownload.apple.com//Developer_Tools/Xcode_6.3_beta/Xcode_6.3_beta_Release_Notes.pdf
[2] Apple LLVM Compiler Version 6.1
- Xcode 6.3 updates the Apple LLVM compiler to version 6.1.0.
[...]
Support for the arm64 architecture has been significantly revised to
align with ARM's implementation, where the most visible impact is that a
few of the vector intrinsics have changed to match ARM's specifications.

(cherry picked from commit 602a00f93f9fc2fe6b49848bab92ea34674333e9)

Change-Id: I79a0016f44b9dbe36d0373f7f00a50ab3c2ca447
This commit is contained in:
James Zern 2015-02-19 12:16:58 -08:00
parent 6dea15784d
commit 77544d5f5b
2 changed files with 6 additions and 4 deletions
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5
src/dsp/enc_neon.c
View File

@ -1012,9 +1012,10 @@ static int QuantizeBlock(int16_t in[16], int16_t out[16],
const int16x8_t out0 = Quantize(in, mtx, 0); const int16x8_t out0 = Quantize(in, mtx, 0);
const int16x8_t out1 = Quantize(in, mtx, 8); const int16x8_t out1 = Quantize(in, mtx, 8);
uint8x8x4_t shuffles; uint8x8x4_t shuffles;
// vtbl4_u8 is marked unavailable for iOS arm64, use wider versions there. // vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use
// non-standard versions there.
#if defined(__APPLE__) && defined(__aarch64__) && \ #if defined(__APPLE__) && defined(__aarch64__) && \
defined(__apple_build_version__) defined(__apple_build_version__) && (__apple_build_version__< 6020037)
uint8x16x2_t all_out; uint8x16x2_t all_out;
INIT_VECTOR2(all_out, vreinterpretq_u8_s16(out0), vreinterpretq_u8_s16(out1)); INIT_VECTOR2(all_out, vreinterpretq_u8_s16(out0), vreinterpretq_u8_s16(out1));
INIT_VECTOR4(shuffles, INIT_VECTOR4(shuffles,

5
src/dsp/lossless_neon.c
View File

@ -259,9 +259,10 @@ static uint32_t Predictor13(uint32_t left, const uint32_t* const top) {
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// Subtract-Green Transform // Subtract-Green Transform
// vtbl?_u8 are marked unavailable for iOS arm64, use wider versions there. // vtbl?_u8 are marked unavailable for iOS arm64 with Xcode < 6.3, use
// non-standard versions there.
#if defined(__APPLE__) && defined(__aarch64__) && \ #if defined(__APPLE__) && defined(__aarch64__) && \
defined(__apple_build_version__) defined(__apple_build_version__) && (__apple_build_version__< 6020037)
#define USE_VTBLQ #define USE_VTBLQ
#endif #endif