Allow unaligned accesses for ARMv7.

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index 00ecd63d2a44188b69729a92c47d612eacc13e4e..babffbf659882cab9c928dfe2f62116a9b376894 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -136,21 +136,6 @@ namespace internal {
 #endif
 #endif
 
-// Define unaligned read for the target architectures supporting it.
-#if defined(V8_TARGET_ARCH_X64) || defined(V8_TARGET_ARCH_IA32)
-#define V8_TARGET_CAN_READ_UNALIGNED 1
-#elif V8_TARGET_ARCH_ARM
-// Some CPU-OS combinations allow unaligned access on ARM. We assume
-// that unaligned accesses are not allowed unless the build system
-// defines the CAN_USE_UNALIGNED_ACCESSES macro to be non-zero.
-#if CAN_USE_UNALIGNED_ACCESSES
-#define V8_TARGET_CAN_READ_UNALIGNED 1
-#endif
-#elif V8_TARGET_ARCH_MIPS
-#else
-#error Target architecture is not supported by v8
-#endif
-
 // Support for alternative bool type. This is only enabled if the code is
 // compiled with USE_MYBOOL defined. This catches some nasty type bugs.
 // For instance, 'bool b = "false";' results in b == true! This is a hidden