Remove MIPS support

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 RUNTIME_PLATFORM_GLOBALS_H_
 #define RUNTIME_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 194 matching lines @@
 //   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
 #define kFpuRegisterSize 16
 typedef simd128_value_t fpu_register_t;
 #elif defined(_M_IX86) || defined(__i386__)
 #define HOST_ARCH_IA32 1
 #define ARCH_IS_32_BIT 1
-#if defined(TARGET_ARCH_MIPS)
-#define kFpuRegisterSize 8
-typedef double fpu_register_t;
-#else
 #define kFpuRegisterSize 16
 typedef simd128_value_t fpu_register_t;
-#endif
 #elif defined(__ARMEL__)
 #define HOST_ARCH_ARM 1
 #define ARCH_IS_32_BIT 1
 #define kFpuRegisterSize 16
 // Mark the fact that we have defined simd_value_t.
 #define SIMD_VALUE_T_
 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)                                     \
   do {                                                                         \
     reinterpret_cast<simd_value_t*>(addr)->data_[0] = value.data_[0];          \
     reinterpret_cast<simd_value_t*>(addr)->data_[1] = value.data_[1];          \
     reinterpret_cast<simd_value_t*>(addr)->data_[2] = value.data_[2];          \
     reinterpret_cast<simd_value_t*>(addr)->data_[3] = value.data_[3];          \
   } while (0)
 
-#elif defined(__MIPSEL__)
-#define HOST_ARCH_MIPS 1
-#define ARCH_IS_32_BIT 1
-#define kFpuRegisterSize 8
-typedef double fpu_register_t;
-#elif defined(__MIPSEB__)
-#error Big-endian MIPS is not supported by Dart. Try passing -EL to your      \
- compiler.
 #elif defined(__aarch64__)
 #define HOST_ARCH_ARM64 1
 #define ARCH_IS_64_BIT 1
 #define kFpuRegisterSize 16
 typedef simd128_value_t fpu_register_t;
 #else
 #error Architecture was not detected as supported by Dart.
 #endif
 
 // DART_FORCE_INLINE strongly hints to the compiler that a function should
@@ skipping 47 matching lines @@
 #endif
 
 #ifdef _MSC_VER
 #define DART_PRETTY_FUNCTION __FUNCSIG__
 #elif __GNUC__
 #define DART_PRETTY_FUNCTION __PRETTY_FUNCTION__
 #else
 #error Automatic compiler detection failed.
 #endif
 
-#if !defined(TARGET_ARCH_MIPS) && !defined(TARGET_ARCH_ARM) &&                 \
-    !defined(TARGET_ARCH_X64) && !defined(TARGET_ARCH_IA32) &&                 \
-    !defined(TARGET_ARCH_ARM64) && !defined(TARGET_ARCH_DBC)
+#if !defined(TARGET_ARCH_ARM) && !defined(TARGET_ARCH_X64) &&                  \
+    !defined(TARGET_ARCH_IA32) && !defined(TARGET_ARCH_ARM64) &&               \
+    !defined(TARGET_ARCH_DBC)
 // No target architecture specified pick the one matching the host architecture.
-#if defined(HOST_ARCH_MIPS)
-#define TARGET_ARCH_MIPS 1
-#elif defined(HOST_ARCH_ARM)
+#if defined(HOST_ARCH_ARM)
 #define TARGET_ARCH_ARM 1
 #elif defined(HOST_ARCH_X64)
 #define TARGET_ARCH_X64 1
 #elif defined(HOST_ARCH_IA32)
 #define TARGET_ARCH_IA32 1
 #elif defined(HOST_ARCH_ARM64)
 #define TARGET_ARCH_ARM64 1
 #else
 #error Automatic target architecture detection failed.
 #endif
 #endif
 
 // Verify that host and target architectures match, we cannot
 // have a 64 bit Dart VM generating 32 bit code or vice-versa.
 #if defined(TARGET_ARCH_X64) || defined(TARGET_ARCH_ARM64)
 #if !defined(ARCH_IS_64_BIT)
 #error Mismatched Host/Target architectures.
 #endif
-#elif defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_ARM) ||                 \
-    defined(TARGET_ARCH_MIPS)
+#elif defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_ARM)
 #if !defined(ARCH_IS_32_BIT)
 #error Mismatched Host/Target architectures.
 #endif
 #endif
 
 // Determine whether we will be using the simulator.
 #if defined(TARGET_ARCH_IA32)
 // No simulator used.
 #elif defined(TARGET_ARCH_X64)
 // No simulator used.
 #elif defined(TARGET_ARCH_ARM)
 #if !defined(HOST_ARCH_ARM)
 #define USING_SIMULATOR 1
 #endif
 
 #elif defined(TARGET_ARCH_ARM64)
 #if !defined(HOST_ARCH_ARM64)
 #define USING_SIMULATOR 1
 #endif
 
-#elif defined(TARGET_ARCH_MIPS)
-#if !defined(HOST_ARCH_MIPS)
-#define USING_SIMULATOR 1
-#endif
-
 #elif defined(TARGET_ARCH_DBC)
 #define USING_SIMULATOR 1
 
 #else
 #error Unknown architecture.
 #endif
 
 // Disable background threads by default on armv5te. The relevant
 // implementations are uniprocessors.
 #if !defined(TARGET_ARCH_ARM_5TE)
@@ skipping 275 matching lines @@
 template <class D, class S>
 inline D bit_copy(const S& source) {
   D destination;
   // This use of memcpy is safe: source and destination cannot overlap.
   memcpy(&destination, reinterpret_cast<const void*>(&source),
          sizeof(destination));
   return destination;
 }
 
 
-#if defined(HOST_ARCH_ARM) || defined(HOST_ARCH_MIPS) ||                       \
-    defined(HOST_ARCH_ARM64)
+#if defined(HOST_ARCH_ARM) || defined(HOST_ARCH_ARM64)
 // Similar to bit_copy and bit_cast, but does take the type from the argument.
 template <typename T>
 static inline T ReadUnaligned(const T* ptr) {
   T value;
   memcpy(reinterpret_cast<void*>(&value), reinterpret_cast<const void*>(ptr),
          sizeof(value));
   return value;
 }
 
 
 // Similar to bit_copy and bit_cast, but does take the type from the argument.
 template <typename T>
 static inline void StoreUnaligned(T* ptr, T value) {
   memcpy(reinterpret_cast<void*>(ptr), reinterpret_cast<const void*>(&value),
          sizeof(value));
 }
-#else   // !(HOST_ARCH_ARM || HOST_ARCH_MIPS || HOST_ARCH_ARM64)
+#else   // !(HOST_ARCH_ARM || HOST_ARCH_ARM64)
 // Similar to bit_copy and bit_cast, but does take the type from the argument.
 template <typename T>
 static inline T ReadUnaligned(const T* ptr) {
   return *ptr;
 }
 
 
 // Similar to bit_copy and bit_cast, but does take the type from the argument.
 template <typename T>
 static inline void StoreUnaligned(T* ptr, T value) {
   *ptr = value;
 }
-#endif  // !(HOST_ARCH_ARM || HOST_ARCH_MIPS || HOST_ARCH_ARM64)
+#endif  // !(HOST_ARCH_ARM || HOST_ARCH_ARM64)
 
 
 // On Windows the reentrent version of strtok is called
 // strtok_s. Unify on the posix name strtok_r.
 #if defined(HOST_OS_WINDOWS)
 #define snprintf _snprintf
 #define strtok_r strtok_s
 #endif
 
 #if !defined(HOST_OS_WINDOWS)
@@ skipping 29 matching lines @@
 // tag in the ICData and check it when recreating the flow graph in
 // optimizing compiler. Enable it for other modes (product, release) if needed
 // for debugging.
 #if defined(DEBUG)
 #define TAG_IC_DATA
 #endif
 
 }  // namespace dart
 
 #endif  // RUNTIME_PLATFORM_GLOBALS_H_