src/core/SkCpu.h - Issue 2322033002: Apple devices do not support CRC32 instructions. Don't believe Clang's lies.

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Side by Side Diff: src/core/SkCpu.h

Issue 2322033002: Apple devices do not support CRC32 instructions. Don't believe Clang's lies. (Closed)

Patch Set: Created 4 years, 3 months ago

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1 /*	1 /*

2 * Copyright 2016 Google Inc.	2 * Copyright 2016 Google Inc.

3 *	3 *

4 * Use of this source code is governed by a BSD-style license that can be	4 * Use of this source code is governed by a BSD-style license that can be

5 * found in the LICENSE file.	5 * found in the LICENSE file.

6 */	6 */

7	7

8 #ifndef SkCpu_DEFINED	8 #ifndef SkCpu_DEFINED

9 #define SkCpu_DEFINED	9 #define SkCpu_DEFINED

10	10

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73	73

74 #else	74 #else

75 #if defined(SK_ARM_HAS_NEON)	75 #if defined(SK_ARM_HAS_NEON)

76 features \|= NEON;	76 features \|= NEON;

77 #endif	77 #endif

78	78

79 #if defined(SK_CPU_ARM64)	79 #if defined(SK_CPU_ARM64)

80 features \|= NEON\|NEON_FMA\|VFP_FP16;	80 features \|= NEON\|NEON_FMA\|VFP_FP16;

81 #endif	81 #endif

82	82

83 #if defined(__ARM_FEATURE_CRC32)	83 #if defined(SK_ARM_HAS_CRC32)

84 features \|= CRC32;	84 features \|= CRC32;

85 #endif	85 #endif

86	86

87 #endif	87 #endif

88 return (features & mask) == mask;	88 return (features & mask) == mask;

89 }	89 }

90	90

91 #endif//SkCpu_DEFINED	91 #endif//SkCpu_DEFINED

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