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kernel/linux-imx6_3.14.28/arch/arm/nwfpe/ARM-gcc.h 4.4 KB
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  /*
  -------------------------------------------------------------------------------
  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 static 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