SSE Assembler + Linux build fixes

runtime/platform/globals.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef PLATFORM_GLOBALS_H_
 #define PLATFORM_GLOBALS_H_
 
 // __STDC_FORMAT_MACROS has to be defined before including <inttypes.h> to
 // enable platform independent printf format specifiers.
 #ifndef __STDC_FORMAT_MACROS
@@ skipping 61 matching lines @@
 #error Automatic target os detection failed.
 #endif
 
 // Processor architecture detection.  For more info on what's defined, see:
 //   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
 //   http://www.agner.org/optimize/calling_conventions.pdf
 //   or with gcc, run: "echo | gcc -E -dM -"
 #if defined(_M_X64) || defined(__x86_64__)
 #define HOST_ARCH_X64 1
 #define ARCH_IS_64_BIT 1
+#include <xmmintrin.h>  // NOLINT
+#define kFpuRegisterSize 16
+typedef __m128 fpu_register_t;
+typedef __m128 simd_value_t;
+// Unaligned load.
+#define simd_value_safe_load(addr)                                             \
+  _mm_loadu_ps(reinterpret_cast<const float*>(addr))
+// Unaligned store.
+#define simd_value_safe_store(addr, value)                                     \
+  _mm_storeu_ps(reinterpret_cast<float*>(addr), value)
 #elif defined(_M_IX86) || defined(__i386__)
 #define HOST_ARCH_IA32 1
 #define ARCH_IS_32_BIT 1
+#include <xmmintrin.h>  // NOLINT
+#define kFpuRegisterSize 16
+typedef __m128 fpu_register_t;
+typedef __m128 simd_value_t;
+// Unaligned load.
+#define simd_value_safe_load(addr)                                             \
+  _mm_loadu_ps(reinterpret_cast<const float*>(addr))
+// Unaligned store.
+#define simd_value_safe_store(addr, value)                                     \
+  _mm_storeu_ps(reinterpret_cast<float*>(addr), value)
 #elif defined(__ARMEL__)
 #define HOST_ARCH_ARM 1
 #define ARCH_IS_32_BIT 1
+#define kFpuRegisterSize 8
+typedef double fpu_register_t;
+// TODO(johnmccutchan): ARM simd type.
+typedef struct {
+  uint32_t data_[4];
+} simd_value_t;
 #elif defined(__MIPSEL__)
 #define HOST_ARCH_MIPS 1
 #define ARCH_IS_32_BIT 1
+#define kFpuRegisterSize 8
+typedef double fpu_register_t;
+// TODO(johnmccutchan): MIPS simd type.
+typedef struct {
+  uint32_t data_[4];
+} simd_value_t;
 #else
 #error Architecture was not detected as supported by Dart.
 #endif
 
 #if !defined(TARGET_ARCH_MIPS)
 #if !defined(TARGET_ARCH_ARM)
 #if !defined(TARGET_ARCH_X64)
 #if !defined(TARGET_ARCH_IA32)
 // No target architecture specified pick the one matching the host architecture.
 #if defined(HOST_ARCH_MIPS)
@@ skipping 61 matching lines @@
 const uint64_t kMaxUint64 = DART_2PART_UINT64_C(0xFFFFFFFF, FFFFFFFF);
 
 // Types for native machine words. Guaranteed to be able to hold pointers and
 // integers.
 typedef intptr_t word;
 typedef uintptr_t uword;
 
 // Byte sizes.
 const int kWordSize = sizeof(word);
 const int kDoubleSize = sizeof(double);  // NOLINT
-const int kFloatSize = sizeof(float); // NOLINT
+const int kFloatSize = sizeof(float);  // NOLINT
+const int kSimd128Size = 16;
 #ifdef ARCH_IS_32_BIT
 const int kWordSizeLog2 = 2;
 const uword kUwordMax = kMaxUint32;
 #else
 const int kWordSizeLog2 = 3;
 const uword kUwordMax = kMaxUint64;
 #endif
 
 // Bit sizes.
 const int kBitsPerByte = 8;
@@ skipping 199 matching lines @@
 // have an implicit 'this' argument, the arguments of such methods
 // should be counted from two, not one."
 //
 #define PRINTF_ATTRIBUTE(string_index, first_to_check) \
   __attribute__((__format__(__printf__, string_index, first_to_check)))
 #else
 #define PRINTF_ATTRIBUTE(string_index, first_to_check)
 #endif
 
 #endif  // PLATFORM_GLOBALS_H_