diff options
author | Thiago Macieira <thiago.macieira@intel.com> | 2011-12-29 22:44:16 -0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-23 19:43:00 +0100 |
commit | 1882cf1c9d68e0c325c89f0bdf368b47206f19e0 (patch) | |
tree | b127c5b7de48526cf4ec83076c66ff18fb46f133 /mkspecs/features/qt.prf | |
parent | a1b30b49ef09bef2e97b9a0622bf7ad622678fee (diff) |
Add detection of AVX and AVX2 support in the compiler.
Intel CC 12.1 supports AVX2 but only with -march=core-avx2. The -mavx2
option produces a warning.
GCC 4.6 does not recognise any option.
GCC 4.7 recognises both -mavx2 and -march=core-avx2 so let's use the
latter for now. We may need to change to -mavx2 when there's an AMD
processor that supports AVX2 too.
Change-Id: I529240e6e6c2c0e3942d357e0320212d954fe4de
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
Diffstat (limited to 'mkspecs/features/qt.prf')
-rw-r--r-- | mkspecs/features/qt.prf | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mkspecs/features/qt.prf b/mkspecs/features/qt.prf index 814ff37f84..fb67251600 100644 --- a/mkspecs/features/qt.prf +++ b/mkspecs/features/qt.prf @@ -210,4 +210,5 @@ ssse3:DEFINES += QT_HAVE_SSSE3 sse4_1:DEFINES += QT_HAVE_SSE4_1 sse4_2:DEFINES += QT_HAVE_SSE4_2 avx:DEFINES += QT_HAVE_AVX +avx2:DEFINES += QT_HAVE_AVX2 iwmmxt:DEFINES += QT_HAVE_IWMMXT |