diff options
Diffstat (limited to 'src/corelib/global/qsimd_p.h')
| -rw-r--r-- | src/corelib/global/qsimd_p.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/corelib/global/qsimd_p.h b/src/corelib/global/qsimd_p.h index fdf5529135..57ef30d567 100644 --- a/src/corelib/global/qsimd_p.h +++ b/src/corelib/global/qsimd_p.h @@ -190,6 +190,29 @@ # define __SSE__ 1 # endif +# if defined(Q_OS_WIN) && defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_CC_CLANG) +// 64-bit GCC on Windows does not support AVX, so we hack around it by forcing +// it to emit unaligned loads & stores +// See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49001 +asm( + ".macro vmovapd args:vararg\n" + " vmovupd \\args\n" + ".endm\n" + ".macro vmovaps args:vararg\n" + " vmovups \\args\n" + ".endm\n" + ".macro vmovdqa args:vararg\n" + " vmovdqu \\args\n" + ".endm\n" + ".macro vmovdqa32 args:vararg\n" + " vmovdqu32 \\args\n" + ".endm\n" + ".macro vmovdqa64 args:vararg\n" + " vmovdqu64 \\args\n" + ".endm\n" +); +# endif + # if defined(Q_CC_GNU) && !defined(Q_CC_INTEL) && !defined(Q_OS_WASM) // GCC 4.4 and Clang 2.8 added a few more intrinsics there # include <x86intrin.h> |