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https://github.com/yuzu-emu/unicorn.git
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131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/* public domain */
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#ifndef COMPILER_H
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#define COMPILER_H
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#include "config-host.h"
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#include "unicorn/platform.h"
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#ifdef _MSC_VER
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// MSVC support
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#define inline __inline
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#define __func__ __FUNCTION__
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#include <math.h>
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#include <float.h>
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#if _MSC_VER < MSC_VER_VS2013
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#define isinf(x) (!_finite(x))
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#if defined(_WIN64)
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#define isnan _isnanf
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#else
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#define isnan _isnan
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#endif
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#endif
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static double rint( double x )
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{
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return floor(x < 0 ? x - 0.5 : x + 0.5);
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}
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union MSVC_FLOAT_HACK
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{
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unsigned char Bytes[4];
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float Value;
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};
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#ifndef NAN
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static union MSVC_FLOAT_HACK __NAN = {{0x00, 0x00, 0xC0, 0x7F}};
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#define NAN (__NAN.Value)
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#endif
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#define QEMU_DIV0 __pragma(warning(suppress:2124)) // divide by zero error
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#define QEMU_GNUC_PREREQ(maj, min) 0
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#define QEMU_NORETURN __declspec(noreturn)
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#define QEMU_UNUSED_VAR __pragma(warning(suppress:4100)) // unused variables only
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#define QEMU_UNUSED_FUNC
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#define QEMU_WARN_UNUSED_RESULT
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#define QEMU_ARTIFICIAL
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#define QEMU_PACK( __Declaration__ ) __pragma( pack(push, 1) ) __Declaration__ __pragma( pack(pop) )
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#define QEMU_ALIGN(A, B) __declspec(align(A)) B
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#define cat(x,y) x ## y
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#define cat2(x,y) cat(x,y)
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#define QEMU_BUILD_BUG_ON(x) \
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typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] QEMU_UNUSED_VAR;
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#define GCC_FMT_ATTR(n, m)
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#else
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#ifndef NAN
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#define NAN (0.0 / 0.0)
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#endif
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/*----------------------------------------------------------------------------
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| The macro QEMU_GNUC_PREREQ tests for minimum version of the GNU C compiler.
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| The code is a copy of SOFTFLOAT_GNUC_PREREQ, see softfloat-macros.h.
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*----------------------------------------------------------------------------*/
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#if defined(__GNUC__) && defined(__GNUC_MINOR__)
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# define QEMU_GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define QEMU_GNUC_PREREQ(maj, min) 0
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#endif
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#define QEMU_NORETURN __attribute__ ((__noreturn__))
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#define QEMU_UNUSED_VAR __attribute__((unused))
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#define QEMU_UNUSED_FUNC __attribute__((unused))
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#if QEMU_GNUC_PREREQ(3, 4)
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#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
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#else
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#define QEMU_WARN_UNUSED_RESULT
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#endif
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#if QEMU_GNUC_PREREQ(4, 3)
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#define QEMU_ARTIFICIAL __attribute__((always_inline, artificial))
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#else
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#define QEMU_ARTIFICIAL
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#endif
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#if defined(_WIN32)
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# define QEMU_PACK( __Declaration__ ) __Declaration__ __attribute__((gcc_struct, packed))
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#else
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# define QEMU_PACK( __Declaration__ ) __Declaration__ __attribute__((packed))
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#endif
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#define QEMU_ALIGN(A, B) B __attribute__((aligned(A)))
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#define cat(x,y) x ## y
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#define cat2(x,y) cat(x,y)
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#define QEMU_BUILD_BUG_ON(x) \
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typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused));
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#if defined __GNUC__
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# if !QEMU_GNUC_PREREQ(4, 4)
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/* gcc versions before 4.4.x don't support gnu_printf, so use printf. */
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# define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m)))
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# else
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/* Use gnu_printf when supported (qemu uses standard format strings). */
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# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
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# if defined(_WIN32)
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/* Map __printf__ to __gnu_printf__ because we want standard format strings
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* even when MinGW or GLib include files use __printf__. */
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# define __printf__ __gnu_printf__
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# endif
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# endif
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#else
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#define GCC_FMT_ATTR(n, m)
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#endif
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#endif // _MSC_VER
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#endif /* COMPILER_H */
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