diff options
Diffstat (limited to 'winsup/cygwin/math/tanl.S')
| -rw-r--r-- | winsup/cygwin/math/tanl.S | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/winsup/cygwin/math/tanl.S b/winsup/cygwin/math/tanl.S new file mode 100644 index 000000000..f11b53920 --- /dev/null +++ b/winsup/cygwin/math/tanl.S @@ -0,0 +1,62 @@ +/** + * 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 |