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authorMikhail Svetkin <mikhail.svetkin@qt.io>2018-03-15 14:40:51 +0100
committerMikhail Svetkin <mikhail.svetkin@qt.io>2018-03-22 20:25:09 +0000
commit3d67ffa29191799014111accb9ff5d2f737f659c (patch)
tree812b1fda1e0cefc3be7e5b0102ac4b278070ebce /src
parent641d50eeb0272544e3eaff6c10bdefcdc544106a (diff)
Add additional check for support JIT compilation on ARM platform
JIT compilation is require hardware with FPU double precision. On ARM platform we can check it via __ARM_FP (http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0774g/chr1383660321827.html) Change-Id: I8f3a00e639cebe65d874cb085d97aa8f1cc18a4f Reviewed-by: Simon Hausmann <simon.hausmann@qt.io> Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src')
-rw-r--r--src/qml/jsruntime/qv4global_p.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4global_p.h b/src/qml/jsruntime/qv4global_p.h
index 7f82a02ae0..9b13d4e341 100644
--- a/src/qml/jsruntime/qv4global_p.h
+++ b/src/qml/jsruntime/qv4global_p.h
@@ -108,6 +108,11 @@ inline double trunc(double d) { return d > 0 ? floor(d) : ceil(d); }
//# define V4_ENABLE_JIT
#endif
+// check FPU with double precision on ARM platform
+#if (defined(Q_PROCESSOR_ARM_64) || defined(Q_PROCESSOR_ARM_32)) && defined(V4_ENABLE_JIT) && defined(__ARM_FP) && (__ARM_FP <= 0x04)
+# undef V4_ENABLE_JIT
+#endif
+
// Black list some platforms
#if defined(V4_ENABLE_JIT)
#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)