diff options
| author | Thiago Macieira <thiago.macieira@intel.com> | 2013-05-20 14:53:14 -0700 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-06-04 18:33:02 +0200 |
| commit | 76d75fd7df66c2687cf78945ccead03c5500f531 (patch) | |
| tree | dfd41dc6506877b08c5a33ffb9fb86cda2942635 /src/corelib/tools/qsimd.cpp | |
| parent | c11a7d16c7056da4086a87c9e85b89f8466be032 (diff) | |
Use the GCC inline assembly when building for MinGW
MinGW has a longstanding problem of providing the MSVC intrinsics that
every Windows developer expects to be there. Other projects have run
into those problems.
So instead just use the GCC inline assembly.
Change-Id: I5651f97f9a4dfbf98ebbf063f91f221eab80b224
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Diffstat (limited to 'src/corelib/tools/qsimd.cpp')
| -rw-r--r-- | src/corelib/tools/qsimd.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp index 97a64eb5bb..c81df7a6f2 100644 --- a/src/corelib/tools/qsimd.cpp +++ b/src/corelib/tools/qsimd.cpp @@ -240,14 +240,14 @@ inline quint64 _xgetbv(__int64) { return 0; } #endif static void xgetbv(uint in, uint &eax, uint &edx) { -#ifdef Q_OS_WIN - quint64 result = _xgetbv(in); - eax = result; - edx = result >> 32; -#elif defined(Q_CC_GNU) +#if defined(Q_CC_GNU) asm (".byte 0x0F, 0x01, 0xD0" // xgetbv instruction : "=a" (eax), "=d" (edx) : "c" (in)); +#elif defined(Q_OS_WIN) + quint64 result = _xgetbv(in); + eax = result; + edx = result >> 32; #endif } |