newlib/winsup/cygwin/math/tanl.S

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/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "tanl.S"
.text
#ifdef __x86_64__
.align 8
#else
.align 4
#endif
.globl __MINGW_USYMBOL(tanl)
.def __MINGW_USYMBOL(tanl); .scl 2; .type 32; .endef
__MINGW_USYMBOL(tanl):
#ifdef __x86_64__
fldt (%rdx)
fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fstp %st(0)
movq %rcx,%rax
movq $0,8(%rcx)
fstpt (%rcx)
ret
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fstsw %ax
testl $0x400,%eax
jnz 2b
fstp %st(1)
fptan
fstp %st(0)
movq %rcx,%rax
movq $0,8(%rcx)
fstpt (%rcx)
ret
#else
fldt 4(%esp)
fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fstp %st(0)
ret
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fstsw %ax
testl $0x400,%eax
jnz 2b
fstp %st(1)
fptan
fstp %st(0)
ret
#endif