diff options
Diffstat (limited to 'winsup/mingw/mingwex/math/tanf.S')
-rw-r--r-- | winsup/mingw/mingwex/math/tanf.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/winsup/mingw/mingwex/math/tanf.S b/winsup/mingw/mingwex/math/tanf.S new file mode 100644 index 000000000..540fc6836 --- /dev/null +++ b/winsup/mingw/mingwex/math/tanf.S @@ -0,0 +1,31 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + * + * Removed header file dependency for use in libmingwex.a by + * Danny Smith <dannysmith@users.sourceforge.net> + */ + .file "tanf.S" + .text + .align 4 +.globl _tanf + .def _tanf; .scl 2; .type 32; .endef +_tanf: + flds 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 |