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121 lines
4.4 KiB
121 lines
4.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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------------------------------------------------------------------------------- |
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The macro `BITS64' can be defined to indicate that 64-bit integer types are |
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supported by the compiler. |
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------------------------------------------------------------------------------- |
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*/ |
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#define BITS64 |
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/* |
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------------------------------------------------------------------------------- |
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Each of the following `typedef's defines the most convenient type that holds |
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integers of at least as many bits as specified. For example, `uint8' should |
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be the most convenient type that can hold unsigned integers of as many as |
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8 bits. The `flag' type must be able to hold either a 0 or 1. For most |
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implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed |
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to the same as `int'. |
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------------------------------------------------------------------------------- |
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*/ |
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typedef char flag; |
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typedef unsigned char uint8; |
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typedef signed char int8; |
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typedef int uint16; |
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typedef int int16; |
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typedef unsigned int uint32; |
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typedef signed int int32; |
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#ifdef BITS64 |
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typedef unsigned long long int bits64; |
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typedef signed long long int sbits64; |
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#endif |
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/* |
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------------------------------------------------------------------------------- |
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Each of the following `typedef's defines a type that holds integers |
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of _exactly_ the number of bits specified. For instance, for most |
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implementation of C, `bits16' and `sbits16' should be `typedef'ed to |
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`unsigned short int' and `signed short int' (or `short int'), respectively. |
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------------------------------------------------------------------------------- |
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*/ |
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typedef unsigned char bits8; |
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typedef signed char sbits8; |
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typedef unsigned short int bits16; |
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typedef signed short int sbits16; |
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typedef unsigned int bits32; |
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typedef signed int sbits32; |
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#ifdef BITS64 |
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typedef unsigned long long int uint64; |
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typedef signed long long int int64; |
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#endif |
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#ifdef BITS64 |
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/* |
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------------------------------------------------------------------------------- |
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The `LIT64' macro takes as its argument a textual integer literal and if |
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necessary ``marks'' the literal as having a 64-bit integer type. For |
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example, the Gnu C Compiler (`gcc') requires that 64-bit literals be |
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appended with the letters `LL' standing for `long long', which is `gcc's |
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name for the 64-bit integer type. Some compilers may allow `LIT64' to be |
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defined as the identity macro: `#define LIT64( a ) a'. |
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------------------------------------------------------------------------------- |
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*/ |
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#define LIT64( a ) a##LL |
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#endif |
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/* |
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------------------------------------------------------------------------------- |
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The macro `INLINE' can be used before functions that should be inlined. If |
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a compiler does not support explicit inlining, this macro should be defined |
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to be `static'. |
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------------------------------------------------------------------------------- |
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*/ |
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#define INLINE static inline |
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/* For use as a GCC soft-float library we need some special function names. */ |
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#ifdef __LIBFLOAT__ |
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/* Some 32-bit ops can be mapped straight across by just changing the name. */ |
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#define float32_add __addsf3 |
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#define float32_sub __subsf3 |
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#define float32_mul __mulsf3 |
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#define float32_div __divsf3 |
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#define int32_to_float32 __floatsisf |
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#define float32_to_int32_round_to_zero __fixsfsi |
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#define float32_to_uint32_round_to_zero __fixunssfsi |
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/* These ones go through the glue code. To avoid namespace pollution |
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we rename the internal functions too. */ |
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#define float32_eq ___float32_eq |
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#define float32_le ___float32_le |
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#define float32_lt ___float32_lt |
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/* All the 64-bit ops have to go through the glue, so we pull the same |
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trick. */ |
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#define float64_add ___float64_add |
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#define float64_sub ___float64_sub |
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#define float64_mul ___float64_mul |
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#define float64_div ___float64_div |
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#define int32_to_float64 ___int32_to_float64 |
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#define float64_to_int32_round_to_zero ___float64_to_int32_round_to_zero |
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#define float64_to_uint32_round_to_zero ___float64_to_uint32_round_to_zero |
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#define float64_to_float32 ___float64_to_float32 |
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#define float32_to_float64 ___float32_to_float64 |
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#define float64_eq ___float64_eq |
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#define float64_le ___float64_le |
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#define float64_lt ___float64_lt |
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#if 0 |
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#define float64_add __adddf3 |
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#define float64_sub __subdf3 |
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#define float64_mul __muldf3 |
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#define float64_div __divdf3 |
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#define int32_to_float64 __floatsidf |
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#define float64_to_int32_round_to_zero __fixdfsi |
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#define float64_to_uint32_round_to_zero __fixunsdfsi |
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#define float64_to_float32 __truncdfsf2 |
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#define float32_to_float64 __extendsfdf2 |
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#endif |
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#endif
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