Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  Don't set -mfpu=neon globally if the compiler supports neon.

5 files changed, 5 insertions, 12 deletions

diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro
index b7d6034..a001940 100644
--- a/src/corelib/corelib.pro
+++ b/src/corelib/corelib.pro
@@ -37,10 +37,3 @@ symbian: {
     MMP_RULES -= PAGED
     MMP_RULES *= UNPAGED
 }
-
-neon {
-    DEFINES += QT_HAVE_NEON
-    QMAKE_CXXFLAGS *= -mfpu=neon
-}
-
-
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp
index b2fe2da..63ebafb 100644
--- a/src/corelib/tools/qsimd.cpp
+++ b/src/corelib/tools/qsimd.cpp
@@ -135,7 +135,7 @@ static inline uint detectProcessorFeatures()
 #if defined(QT_HAVE_IWMMXT)
     // runtime detection only available when running as a previlegied process
     features = IWMMXT;
-#elif defined(QT_HAVE_NEON)
+#elif defined(QT_ALWAYS_HAVE_NEON)
     features = NEON;
 #endif
 
diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h
index 664543b..87fa770 100644
--- a/src/corelib/tools/qsimd_p.h
+++ b/src/corelib/tools/qsimd_p.h
@@ -105,7 +105,8 @@ QT_BEGIN_HEADER
 #endif // defined(QT_HAVE_SSE2) && (defined(__SSE2__) || defined(Q_CC_MSVC))
 
 // NEON intrinsics
-#if defined(QT_HAVE_NEON)
+#if defined __ARM_NEON__
+#define QT_ALWAYS_HAVE_NEON
 #include <arm_neon.h>
 #endif
 
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index bfbdb73..d4a1248 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -3572,7 +3572,7 @@ static QByteArray toLatin1_helper(const QChar *data, int length)
             }
             length = length % 16;
         }
-#elif QT_HAVE_NEON
+#elif QT_ALWAYS_HAVE_NEON
         // Refer to the documentation of the SSE2 implementation
         // this use eactly the same method as for SSE except:
         // 1) neon has unsigned comparison
diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index 90b5de5..4d51fa8 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -64,13 +64,12 @@ symbian {
 
 neon:*-g++* {
     DEFINES += QT_HAVE_NEON
-    QMAKE_CXXFLAGS *= -mfpu=neon
     HEADERS += $$NEON_HEADERS
     SOURCES += $$NEON_SOURCES
 
     DRAWHELPER_NEON_ASM_FILES = $$NEON_ASM
 
-    neon_compiler.commands = $$QMAKE_CXX -c
+    neon_compiler.commands = $$QMAKE_CXX -c -mfpu=neon
     neon_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
     neon_compiler.dependency_type = TYPE_C
     neon_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}