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Revert "Add support for same-file intrinsics with Clang 3.7" 

This reverts commit 39c2b8c5c1. The
feature is not working:

$ clang -c -o /dev/null -msse2 -include tmmintrin.h -xc /dev/null
In file included from <built-in>:316:
In file included from <command line>:1:
/home/thiago/clang3.7/bin/../lib/clang/3.7.0/include/tmmintrin.h:28:2: error: "SSSE3 instruction set not enabled"

For reference:

$ icpc -c -o /dev/null -msse2 -include tmmintrin.h -xc /dev/null; echo $?
0
$ gcc -c -o /dev/null -msse2 -include tmmintrin.h -xc /dev/null; echo $?
0

Change-Id: I42e7ef1a481840699a8dffff140844cb8872ed6e
Reviewed-by: Sérgio Martins <sergio.martins@kdab.com>
bb10
Thiago Macieira 2015-09-28 15:26:57 -07:00
parent a2f501f939
commit e9365c2c2f
1 changed files with 2 additions and 3 deletions
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5
src/corelib/tools/qsimd_p.h
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@ -54,9 +54,9 @@
* for the x86 and ARM intrinsics:
* - GCC: the -mXXX or march=YYY flag is necessary before #include
* up to 4.8; GCC >= 4.9 can include unconditionally
* - Clang: same as GCC, with unconditional inclusion with version 3.7
* - Intel CC: #include can happen unconditionally
* - MSVC: #include can happen unconditionally
* - RVCT: ???
*
* We will try to include all headers possible under this configuration.
*
@ -138,8 +138,7 @@
#define QT_COMPILER_SUPPORTS(x) (QT_COMPILER_SUPPORTS_ ## x - 0)
#if (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_CLANG) && Q_CC_CLANG >= 307)) \
|| (defined(Q_CC_GNU) && !defined(Q_CC_CLANG) && (__GNUC__-0) * 100 + (__GNUC_MINOR__-0) >= 409)) \
&& !defined(QT_BOOTSTRAPPED)
# define QT_COMPILER_SUPPORTS_SIMD_ALWAYS
# define QT_COMPILER_SUPPORTS_HERE(x) QT_COMPILER_SUPPORTS(x)