e4094e49c1
Mingw-w64 (where the code has been taken from) has 4 byte longs independently of the architecture but x86_64 Cygwin has 64 bit longs. So use fistpll instead of fistpl on x86_64 Cygwin. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
33 lines
1 KiB
C
33 lines
1 KiB
C
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the mingw-w64 runtime package.
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* No warranty is given; refer to the file DISCLAIMER.PD within this package.
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*/
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#include <math.h>
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#if defined(__arm__) || defined(_ARM_)
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/* This works around a compiler bug */
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long __lrintf_internal( float x );
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asm(".def __lrintf_internal; .scl 2; .type 32; .endef\n"
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"\t.text\n"
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"\t.align 4\n"
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"\t.globl __lrintf_internal\n"
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"__lrintf_internal:\n"
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"\tvcvtr.s32.f32 s0, s0\n"
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"\tfmrs r0, s0\n"
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"\tbx lr");
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#endif /* defined(__arm__) || defined(_ARM_) */
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long lrintf (float x)
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{
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long retval = 0l;
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#if defined (__x86_64__) && defined (__CYGWIN__)
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__asm__ __volatile__ ("fistpll %0" : "=m" (retval) : "t" (x) : "st");
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#elif defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__)
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__asm__ __volatile__ ("fistpl %0" : "=m" (retval) : "t" (x) : "st");
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#elif defined(__arm__) || defined(_ARM_)
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retval = __lrintf_internal(x);
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#endif
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return retval;
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}
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