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From 0b6f959022700ecf9374bdbb13772242d3f7e617 Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@digia.com>
Date: Fri, 10 Oct 2014 14:50:18 +0200
Subject: [PATCH] Do not use JIT on big endian architectures
All the JIT implementations targets the little-endian versions of ARM,
MIPS and SH4 respectively. So in case anyone builds on those platforms
we should not enable JIT.
Task-number: QTBUG-41896
Change-Id: I5be167511e2c3eac6c63e603b82da84fb6b29eaa
Reviewed-by: Julien Brianceau <jbriance@cisco.com>
Reviewed-by: Michael Bruning <michael.bruning@digia.com>
---
Source/WTF/wtf/Platform.h | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -128,6 +128,9 @@
/* CPU(SH4) - SuperH SH-4 */
#if defined(__SH4__)
#define WTF_CPU_SH4 1
+#ifdef __BIG_ENDIAN__
+#define WTF_CPU_BIG_ENDIAN 1
+#endif
#endif
/* CPU(SPARC32) - SPARC 32-bit */
@@ -759,6 +762,11 @@
#define ENABLE_JIT 0
#endif
+/* All the current JIT implementations target little-endian */
+#if CPU(BIG_ENDIAN)
+#define ENABLE_JIT 0
+#endif
+
/* Disable JIT on x32 */
#if CPU(X32)
#define ENABLE_JIT 0
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