diff options
Diffstat (limited to 'src/corelib/tools/qsimd_p.h')
| -rw-r--r-- | src/corelib/tools/qsimd_p.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h index dedee06e38..7aa5099a32 100644 --- a/src/corelib/tools/qsimd_p.h +++ b/src/corelib/tools/qsimd_p.h @@ -138,7 +138,18 @@ #define QT_COMPILER_SUPPORTS(x) (QT_COMPILER_SUPPORTS_ ## x - 0) -#if (defined(Q_CC_INTEL) || defined(Q_CC_MSVC) \ +#if defined(Q_PROCESSOR_ARM) +# define QT_COMPILER_SUPPORTS_HERE(x) (__ARM_FEATURE_ ## x) +# if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && Q_CC_GNU >= 600 + /* GCC requires attributes for a function */ +# define QT_FUNCTION_TARGET(x) __attribute__((__target__(QT_FUNCTION_TARGET_STRING_ ## x))) +# else +# define QT_FUNCTION_TARGET(x) +# endif +# if !defined(__ARM_FEATURE_NEON) && defined(__ARM_NEON__) +# define __ARM_FEATURE_NEON // also support QT_COMPILER_SUPPORTS_HERE(NEON) +# endif +#elif (defined(Q_CC_INTEL) || defined(Q_CC_MSVC) \ || (defined(Q_CC_GNU) && !defined(Q_CC_CLANG) && (__GNUC__-0) * 100 + (__GNUC_MINOR__-0) >= 409)) \ && !defined(QT_BOOTSTRAPPED) # define QT_COMPILER_SUPPORTS_SIMD_ALWAYS @@ -253,12 +264,17 @@ // note: as of GCC 4.9, does not support function targets for ARM #if defined(__ARM_NEON) || defined(__ARM_NEON__) #include <arm_neon.h> -#define QT_FUNCTION_TARGET_STRING_ARM_NEON "neon" +#define QT_FUNCTION_TARGET_STRING_NEON "+neon" // unused: gcc doesn't support function targets on non-aarch64, and on Aarch64 NEON is always available. #ifndef __ARM_NEON__ // __ARM_NEON__ is not defined on AArch64, but we need it in our NEON detection. #define __ARM_NEON__ #endif #endif +// AArch64/ARM64 +#if defined(Q_PROCESSOR_ARM_V8) +#define QT_FUNCTION_TARGET_STRING_CRC32 "+crc" +# include <arm_acle.h> +#endif #undef QT_COMPILER_SUPPORTS_SIMD_ALWAYS @@ -269,6 +285,7 @@ enum CPUFeatures { #if defined(Q_PROCESSOR_ARM) CpuFeatureNEON = 0, CpuFeatureARM_NEON = CpuFeatureNEON, + CpuFeatureCRC32 = 1, #elif defined(Q_PROCESSOR_MIPS) CpuFeatureDSP = 0, CpuFeatureDSPR2 = 1, @@ -396,6 +413,9 @@ static const quint64 qCompilerCpuFeatures = 0 #if defined __ARM_NEON__ | (Q_UINT64_C(1) << CpuFeatureNEON) #endif +#if defined __ARM_FEATURE_CRC32 + | (Q_UINT64_C(1) << CpuFeatureCRC32) +#endif #if defined __mips_dsp | (Q_UINT64_C(1) << CpuFeatureDSP) #endif |