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40 #ifndef __njcpudetect__
41 #define __njcpudetect__
44 * Note: this file should not include *any* other files, nor should it wrap
45 * itself in ifdef FEATURE_NANOJIT, nor should it do anything other than
46 * define preprocessor symbols.
50 * NJ_COMPILER_ARM_ARCH attempts to specify the minimum ARM architecture
51 * that the C++ compiler has specified. Note that although Config::arm_arch
52 * is initialized to this value by default, there is no requirement that they
55 * Note, this is done via #define so that downstream preprocessor usage can
56 * examine it, but please don't attempt to redefine it.
58 * Note, this is deliberately not encased in "ifdef NANOJIT_ARM", as this file
59 * may be included before that is defined. On non-ARM platforms we will hit the
60 * "Unable to determine" case.
63 // GCC and RealView usually define __ARM_ARCH__
64 #if defined(__ARM_ARCH__)
66 #define NJ_COMPILER_ARM_ARCH __ARM_ARCH__
68 // ok, try well-known GCC flags ( see http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html )
69 #elif defined(__ARM_ARCH_7__) || \
70 defined(__ARM_ARCH_7A__) || \
71 defined(__ARM_ARCH_7M__) || \
72 defined(__ARM_ARCH_7R__) || \
75 #define NJ_COMPILER_ARM_ARCH 7
77 #elif defined(__ARM_ARCH_6__) || \
78 defined(__ARM_ARCH_6J__) || \
79 defined(__ARM_ARCH_6T2__) || \
80 defined(__ARM_ARCH_6Z__) || \
81 defined(__ARM_ARCH_6ZK__) || \
82 defined(__ARM_ARCH_6M__) || \
85 #define NJ_COMPILER_ARM_ARCH 6
87 #elif defined(__ARM_ARCH_5__) || \
88 defined(__ARM_ARCH_5T__) || \
89 defined(__ARM_ARCH_5E__) || \
90 defined(__ARM_ARCH_5TE__)
92 #define NJ_COMPILER_ARM_ARCH 5
94 #elif defined(__ARM_ARCH_4T__)
96 #define NJ_COMPILER_ARM_ARCH 4
98 // Visual C has its own mojo
99 #elif defined(_MSC_VER) && defined(_M_ARM)
101 #define NJ_COMPILER_ARM_ARCH _M_ARM
104 #elif defined(__TARGET_ARCH_ARM)
106 #define NJ_COMPILER_ARM_ARCH __TARGET_ARCH_ARM
111 #define NJ_COMPILER_ARM_ARCH "Unable to determine valid NJ_COMPILER_ARM_ARCH (nanojit only supports ARMv4T or later)"
115 #endif // __njcpudetect__