Revert pull request 175: Add support for the TILE-Gx processor family.

src/Makefile.am

@@ -54,7 +54,6 @@ nobase_include_HEADERS =                                        \
   google/protobuf/stubs/atomicops.h                             \
   google/protobuf/stubs/atomicops_internals_aix.h               \
   google/protobuf/stubs/atomicops_internals_arm64_gcc.h         \
-  google/protobuf/stubs/atomicops_internals_tile_gcc.h          \
   google/protobuf/stubs/atomicops_internals_arm_gcc.h           \
   google/protobuf/stubs/atomicops_internals_arm_qnx.h           \
   google/protobuf/stubs/atomicops_internals_atomicword_compat.h \

src/google/protobuf/stubs/atomicops.h

@@ -207,8 +207,6 @@ GOOGLE_PROTOBUF_ATOMICOPS_ERROR
 #include <google/protobuf/stubs/atomicops_internals_arm64_gcc.h>
 #elif defined(GOOGLE_PROTOBUF_ARCH_ARM_QNX)
 #include <google/protobuf/stubs/atomicops_internals_arm_qnx.h>
-#elif defined(GOOGLE_PROTOBUF_ARCH_TILE)
-#include <google/protobuf/stubs/atomicops_internals_tile_gcc.h>
 #elif defined(GOOGLE_PROTOBUF_ARCH_MIPS) || defined(GOOGLE_PROTOBUF_ARCH_MIPS64)
 #include <google/protobuf/stubs/atomicops_internals_mips_gcc.h>
 #elif defined(__native_client__)

src/google/protobuf/stubs/atomicops_internals_tile_gcc.h

-#ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_TILE_GCC_H_
-#define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_TILE_GCC_H_
-
-namespace google {
-namespace protobuf {
-namespace internal {
-
-inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
-    asm volatile ("st4 %0, %1"
-                  : "=r" (*ptr)
-                  : "m" (value));
-}
-
-inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
-    Atomic32 dest;
-    asm volatile ("ld4s %0, %1"
-                  : "=r" (dest)
-                  : "m" (*ptr));
-    return dest;
-}
-
-inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
-    asm volatile ("st %0, %1"
-                  : "=r" (*ptr)
-                  : "m" (value));
-}
-
-inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
-    Atomic64 dest;
-    asm volatile ("ld %0, %1"
-                  : "=r" (dest)
-                  : "m" (*ptr));
-    return dest;
-}
-
-inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
-    return NoBarrier_Load(ptr);
-}
-
-inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
-    NoBarrier_Store(ptr, value);
-}
-
-inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
-                                       Atomic64 old_value,
-                                       Atomic64 new_value) {
-    Atomic64 tmp;
-    asm volatile ("mtspr CMPEXCH_VALUE, %3\n\t"
-                  "cmpexch %0, %1, %2"
-                  : "=r" (tmp), "=m" (*ptr)
-                  : "r" (new_value), "r" (old_value));
-    return tmp;
-}
-
-inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
-                                         Atomic64 new_value) {
-    Atomic64 old_value;
-    asm volatile ("exch %0, %1, %2"
-                  : "=r" (old_value), "=m" (*ptr)
-                  : "r" (new_value));
-    return old_value;
-}
-
-inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
-                                          Atomic64 value) {
-    Atomic64 dest;
-    asm volatile ("fetchadd %0, %1, %2"
-                  : "=r" (dest), "=m" (*ptr)
-                  : "r" (value));
-    return *ptr;
-}
-
-}  // namespace internal
-}  // namespace protobuf
-}  // namespace google
-
-#endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_TILE_GCC_H_

src/google/protobuf/stubs/platform_macros.h

@@ -52,9 +52,6 @@
 #elif defined(__ARMEL__)
 #define GOOGLE_PROTOBUF_ARCH_ARM 1
 #define GOOGLE_PROTOBUF_ARCH_32_BIT 1
-#elif defined(__tile__)
-#define GOOGLE_PROTOBUF_ARCH_TILE 1
-#define GOOGLE_PROTOBUF_ARCH_64_BIT 1
 #elif defined(__aarch64__)
 #define GOOGLE_PROTOBUF_ARCH_AARCH64 1
 #define GOOGLE_PROTOBUF_ARCH_64_BIT 1