ARM-gcc.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:4k
- /*
- -------------------------------------------------------------------------------
- The macro `BITS64' can be defined to indicate that 64-bit integer types are
- supported by the compiler.
- -------------------------------------------------------------------------------
- */
- #define BITS64
- /*
- -------------------------------------------------------------------------------
- Each of the following `typedef's defines the most convenient type that holds
- integers of at least as many bits as specified. For example, `uint8' should
- be the most convenient type that can hold unsigned integers of as many as
- 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
- implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
- to the same as `int'.
- -------------------------------------------------------------------------------
- */
- typedef char flag;
- typedef unsigned char uint8;
- typedef signed char int8;
- typedef int uint16;
- typedef int int16;
- typedef unsigned int uint32;
- typedef signed int int32;
- #ifdef BITS64
- typedef unsigned long long int bits64;
- typedef signed long long int sbits64;
- #endif
- /*
- -------------------------------------------------------------------------------
- Each of the following `typedef's defines a type that holds integers
- of _exactly_ the number of bits specified. For instance, for most
- implementation of C, `bits16' and `sbits16' should be `typedef'ed to
- `unsigned short int' and `signed short int' (or `short int'), respectively.
- -------------------------------------------------------------------------------
- */
- typedef unsigned char bits8;
- typedef signed char sbits8;
- typedef unsigned short int bits16;
- typedef signed short int sbits16;
- typedef unsigned int bits32;
- typedef signed int sbits32;
- #ifdef BITS64
- typedef unsigned long long int uint64;
- typedef signed long long int int64;
- #endif
- #ifdef BITS64
- /*
- -------------------------------------------------------------------------------
- The `LIT64' macro takes as its argument a textual integer literal and if
- necessary ``marks'' the literal as having a 64-bit integer type. For
- example, the Gnu C Compiler (`gcc') requires that 64-bit literals be
- appended with the letters `LL' standing for `long long', which is `gcc's
- name for the 64-bit integer type. Some compilers may allow `LIT64' to be
- defined as the identity macro: `#define LIT64( a ) a'.
- -------------------------------------------------------------------------------
- */
- #define LIT64( a ) a##LL
- #endif
- /*
- -------------------------------------------------------------------------------
- The macro `INLINE' can be used before functions that should be inlined. If
- a compiler does not support explicit inlining, this macro should be defined
- to be `static'.
- -------------------------------------------------------------------------------
- */
- #define INLINE extern __inline__
- /* For use as a GCC soft-float library we need some special function names. */
- #ifdef __LIBFLOAT__
- /* Some 32-bit ops can be mapped straight across by just changing the name. */
- #define float32_add __addsf3
- #define float32_sub __subsf3
- #define float32_mul __mulsf3
- #define float32_div __divsf3
- #define int32_to_float32 __floatsisf
- #define float32_to_int32_round_to_zero __fixsfsi
- #define float32_to_uint32_round_to_zero __fixunssfsi
- /* These ones go through the glue code. To avoid namespace pollution
- we rename the internal functions too. */
- #define float32_eq ___float32_eq
- #define float32_le ___float32_le
- #define float32_lt ___float32_lt
- /* All the 64-bit ops have to go through the glue, so we pull the same
- trick. */
- #define float64_add ___float64_add
- #define float64_sub ___float64_sub
- #define float64_mul ___float64_mul
- #define float64_div ___float64_div
- #define int32_to_float64 ___int32_to_float64
- #define float64_to_int32_round_to_zero ___float64_to_int32_round_to_zero
- #define float64_to_uint32_round_to_zero ___float64_to_uint32_round_to_zero
- #define float64_to_float32 ___float64_to_float32
- #define float32_to_float64 ___float32_to_float64
- #define float64_eq ___float64_eq
- #define float64_le ___float64_le
- #define float64_lt ___float64_lt
- #if 0
- #define float64_add __adddf3
- #define float64_sub __subdf3
- #define float64_mul __muldf3
- #define float64_div __divdf3
- #define int32_to_float64 __floatsidf
- #define float64_to_int32_round_to_zero __fixdfsi
- #define float64_to_uint32_round_to_zero __fixunsdfsi
- #define float64_to_float32 __truncdfsf2
- #define float32_to_float64 __extendsfdf2
- #endif
- #endif