diff options
Diffstat (limited to 'sysdeps/i386/fpu/e_hypotf.S')
-rw-r--r-- | sysdeps/i386/fpu/e_hypotf.S | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/sysdeps/i386/fpu/e_hypotf.S b/sysdeps/i386/fpu/e_hypotf.S deleted file mode 100644 index 6a2c7052b2..0000000000 --- a/sysdeps/i386/fpu/e_hypotf.S +++ /dev/null @@ -1,64 +0,0 @@ -/* Compute the hypothenuse of X and Y. - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <i386-math-asm.h> - - .text -ENTRY(__ieee754_hypotf) - flds 4(%esp) // x - fxam - fnstsw - flds 8(%esp) // y : x - movb %ah, %ch - fxam - fnstsw - movb %ah, %al - orb %ch, %ah - sahf - jc 1f - fmul %st(0) // y * y : x - fxch // x : y * y - fmul %st(0) // x * x : y * y - faddp // x * x + y * y - fsqrt - FLT_NARROW_EVAL -2: ret - - // We have to test whether any of the parameters is Inf. - // In this case the result is infinity. -1: andb $0x45, %al - cmpb $5, %al - je 3f // jump if y is Inf - andb $0x45, %ch - cmpb $5, %ch - jne 4f // jump if x is not Inf - fxch -3: fstp %st(1) - fabs - jmp 2b - -4: testb $1, %al - jnz 5f // y is NaN - fxch -5: fstp %st(1) - jmp 2b - -END(__ieee754_hypotf) -strong_alias (__ieee754_hypotf, __hypotf_finite) |