Begins implementation of ARM neon instructions.

runtime/platform/globals.h

Index: runtime/platform/globals.h
===================================================================
--- runtime/platform/globals.h	(revision 24916)
+++ runtime/platform/globals.h	(working copy)
@@ -123,7 +123,10 @@
 #elif defined(_M_IX86) || defined(__i386__)
 #define HOST_ARCH_IA32 1
 #define ARCH_IS_32_BIT 1
-#if defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_MIPS)
+#if defined(TARGET_ARCH_ARM)

[regis, 2013/07/12 22:16:01]

It looks like TARGET_ARCH_ARM is not special anymore and can be handled by the
else part.

[zra, 2013/07/12 23:22:18]

Done.

+#define kFpuRegisterSize 16
+typedef simd128_value_t fpu_register_t;
+#elif defined(TARGET_ARCH_MIPS)
 #define kFpuRegisterSize 8
 typedef double fpu_register_t;
 #else
@@ -133,14 +136,14 @@
 #elif defined(__ARMEL__)
 #define HOST_ARCH_ARM 1
 #define ARCH_IS_32_BIT 1
-#define kFpuRegisterSize 8
-typedef double fpu_register_t;
+#define kFpuRegisterSize 16
 typedef struct {
   union {
     uint32_t u;
     float    f;
   } data_[4];
 } simd_value_t;
+typedef simd_value_t fpu_register_t;
 #define simd_value_safe_load(addr)                                             \
   (*reinterpret_cast<simd_value_t *>(addr))
 #define simd_value_safe_store(addr, value)                                     \