diff options
Diffstat (limited to 'winsup/mingw/mingwex/math/exp2l.S')
| -rw-r--r-- | winsup/mingw/mingwex/math/exp2l.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/winsup/mingw/mingwex/math/exp2l.S b/winsup/mingw/mingwex/math/exp2l.S deleted file mode 100644 index 2457c26f4..000000000 --- a/winsup/mingw/mingwex/math/exp2l.S +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Adapted for exp2 by Ulrich Drepper <drepper@cygnus.com>. - * Public domain. - */ - - .file "exp2l.S" - .text - .align 4 -.globl _exp2l - .def _exp2l; .scl 2; .type 32; .endef -_exp2l: - fldt 4(%esp) -/* I added the following ugly construct because exp(+-Inf) resulted - in NaN. The ugliness results from the bright minds at Intel. - For the i686 the code can be written better. - -- drepper@cygnus.com. */ - fxam /* Is NaN or +-Inf? */ - fstsw %ax - movb $0x45, %dh - andb %ah, %dh - cmpb $0x05, %dh - je 1f /* Is +-Inf, jump. */ - fld %st - frndint /* int(x) */ - fsubr %st,%st(1) /* fract(x) */ - fxch - f2xm1 /* 2^(fract(x)) - 1 */ - fld1 - faddp /* 2^(fract(x)) */ - fscale /* e^x */ - fstp %st(1) - ret - -1: testl $0x200, %eax /* Test sign. */ - jz 2f /* If positive, jump. */ - fstp %st - fldz /* Set result to 0. */ -2: ret |