diff options
Diffstat (limited to 'dev-qt/qtcore')
-rw-r--r-- | dev-qt/qtcore/Manifest | 2 | ||||
-rw-r--r-- | dev-qt/qtcore/files/qtcore-5.9.3-avx.patch | 69 | ||||
-rw-r--r-- | dev-qt/qtcore/qtcore-5.9.3-r1000.ebuild (renamed from dev-qt/qtcore/qtcore-5.9.5-r1000.ebuild) | 2 |
3 files changed, 72 insertions, 1 deletions
diff --git a/dev-qt/qtcore/Manifest b/dev-qt/qtcore/Manifest index 0381b6db..44ceaa0b 100644 --- a/dev-qt/qtcore/Manifest +++ b/dev-qt/qtcore/Manifest @@ -1 +1 @@ -DIST qtbase-opensource-src-5.9.5.tar.xz 45125492 BLAKE2B ee3cad23c6c89a0cd2b149c033fa98dba475c3b67b82074f31a7b0c53f2c062a72a6d979b157286b6044c936b646eed39febaef795549da27d4a1b45c6016e6b SHA512 910cbcfed1f2a0590e701cede0a9e8399e1f1363ac4863e2f200b675650e3bd1802113df0dfe4309470d27bf6bc0e53fbbab01024d52fad904db8cb2e038454a +DIST qtbase-opensource-src-5.9.3.tar.xz 45160080 BLAKE2B 234eb778c90b5867ae53129da010968563d3fa66fe87e3ad50d2d4e968ecbf41812270a66c24fce27b318a7c6b5be90e518ee1b6bb14fb11985f2269a708899c SHA512 256ffb8760e94c0f87790ed35e210d0c9613e14314ff442dd763cc93fbd5caa6c11c95f5d44b12a7687fb93c9f857878132cf6d76e5933f647ca7beb54b18c7c diff --git a/dev-qt/qtcore/files/qtcore-5.9.3-avx.patch b/dev-qt/qtcore/files/qtcore-5.9.3-avx.patch new file mode 100644 index 00000000..be18433b --- /dev/null +++ b/dev-qt/qtcore/files/qtcore-5.9.3-avx.patch @@ -0,0 +1,69 @@ +From d813c66bfcfac1837814ec4d174d0389172f0d4c Mon Sep 17 00:00:00 2001 +From: Thiago Macieira <thiago.macieira@intel.com> +Date: Tue, 25 Apr 2017 12:02:09 -0300 +Subject: Fix the build when AVX2 is enabled but __F16C__ isn't defined + +If -mavx2 is used, __AVX2__ is defined, which enables the F16C code +after commit 280e321e52fd4e86545f3f0d4bd4e047786a897e, but that was +wrong since we aren't allowed to use the F16C intrinsics with either +Clang or GCC (we can only do that with GCC 4.9 and Clang 4.8, and only +with an __attribute__ decoration). + +With ICC and MSVC, we are allowed to use the intrinsics, but the +#include was missing. + +[ChangeLog][QtCore] Fixed a compilation issue with qfloat16 if AVX2 +support is enabled in the compiler. Since all processors that support +AVX2 also support F16C, for GCC and Clang it is recommended to either +add -mf16c to your build or to use the corresponding -march= switch. + +Task-number: QTBUG-64529 +Change-Id: I84e363d735b443cb9beefffd14b8ac1fd4baa978 +Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io> +--- + src/corelib/global/qfloat16.h | 15 ++++++++++++--- + 1 file changed, 12 insertions(+), 3 deletions(-) + +diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h +index 89a62a93db..a0aa9496b4 100644 +--- a/src/corelib/global/qfloat16.h ++++ b/src/corelib/global/qfloat16.h +@@ -44,7 +44,16 @@ + #include <QtCore/qmetatype.h> + #include <string.h> + +-#if defined __F16C__ ++#if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__AVX2__) && !defined(__F16C__) ++// All processors that support AVX2 do support F16C too. That doesn't mean ++// we're allowed to use the intrinsics directly, so we'll do it only for ++// the Intel and Microsoft's compilers. ++# if defined(Q_CC_INTEL) || defined(Q_CC_MSVC) ++# define __F16C__ 1 ++# endif ++#endif ++ ++#if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__F16C__) + #include <immintrin.h> + #endif + +@@ -116,7 +125,7 @@ QT_WARNING_DISABLE_CLANG("-Wc99-extensions") + QT_WARNING_DISABLE_GCC("-Wold-style-cast") + inline qfloat16::qfloat16(float f) Q_DECL_NOTHROW + { +-#if defined(QT_COMPILER_SUPPORTS_F16C) && (defined(__F16C__) || defined(__AVX2__)) ++#if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__F16C__) + __m128 packsingle = _mm_set_ss(f); + __m128i packhalf = _mm_cvtps_ph(packsingle, 0); + b16 = _mm_extract_epi16(packhalf, 0); +@@ -134,7 +143,7 @@ QT_WARNING_POP + + inline qfloat16::operator float() const Q_DECL_NOTHROW + { +-#if defined(QT_COMPILER_SUPPORTS_F16C) && (defined(__F16C__) || defined(__AVX2__)) ++#if defined(QT_COMPILER_SUPPORTS_F16C) && defined(__F16C__) + __m128i packhalf = _mm_cvtsi32_si128(b16); + __m128 packsingle = _mm_cvtph_ps(packhalf); + return _mm_cvtss_f32(packsingle); +-- +cgit v1.1-6-g87c4 + diff --git a/dev-qt/qtcore/qtcore-5.9.5-r1000.ebuild b/dev-qt/qtcore/qtcore-5.9.3-r1000.ebuild index 6b17e40a..58ee5179 100644 --- a/dev-qt/qtcore/qtcore-5.9.5-r1000.ebuild +++ b/dev-qt/qtcore/qtcore-5.9.3-r1000.ebuild @@ -24,6 +24,8 @@ DEPEND=" " RDEPEND="${DEPEND}" +PATCHES=( "${FILESDIR}/${P}-avx.patch" ) + QT5_TARGET_SUBDIRS=( src/tools/bootstrap src/tools/moc |