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Update the Clang support for SIMD code generation

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Clang 3.8 has support for __attribute__((target(xxx))) and its SIMD
headers can be included unconditionally.

Change-Id: Ic15b7ff417c8412893e5fffd14b5b42b950b48d7
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
This commit is contained in:
Thiago Macieira 2016-10-31 16:07:53 -07:00
parent 2814744a73
commit 3bea9450e9
1 changed files with 3 additions and 2 deletions
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5
src/corelib/tools/qsimd_p.h
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@ -166,10 +166,11 @@
# define __MIPS_DSPR2__
# 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(Q_CC_GNU) && !defined(Q_CC_CLANG) && Q_CC_GNU >= 409) \
|| (defined(Q_CC_CLANG) && Q_CC_CLANG >= 308)) \
&& !defined(QT_BOOTSTRAPPED)
# define QT_COMPILER_SUPPORTS_SIMD_ALWAYS
# define QT_COMPILER_SUPPORTS_HERE(x) (__ ## x ## __) || QT_COMPILER_SUPPORTS(x)
# define QT_COMPILER_SUPPORTS_HERE(x) ((__ ## x ## __) || QT_COMPILER_SUPPORTS(x))
# if defined(Q_CC_GNU) && !defined(Q_CC_INTEL)
/* GCC requires attributes for a function */
# define QT_FUNCTION_TARGET(x) __attribute__((__target__(QT_FUNCTION_TARGET_STRING_ ## x)))