From 9359218f0fa991ee10df00cfdc4fc1822c9d9597 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Sat, 6 Jul 2002 15:07:30 +0000 Subject: Update. 2002-07-06 Andreas Jaeger * sysdeps/x86_64/fpu/bits/mathinline.h: New. * sysdeps/x86_64/fpu/s_copysign.S: New. * sysdeps/x86_64/fpu/s_copysignf.S: New. * sysdeps/x86_64/fpu/s_copysignl.S: New. * sysdeps/x86_64/fpu/s_finitel.S: New. * sysdeps/x86_64/fpu/s_fmax.S: New. * sysdeps/x86_64/fpu/s_fmaxf.S: New. * sysdeps/x86_64/fpu/s_fmaxl.S: New. * sysdeps/x86_64/fpu/s_fmin.S: New. * sysdeps/x86_64/fpu/s_fminf.S: New. * sysdeps/x86_64/fpu/s_fminl.S: New. --- sysdeps/x86_64/fpu/bits/mathinline.h | 40 +++++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_copysign.S | 52 ++++++++++++++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_copysignf.S | 37 +++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_copysignl.S | 22 +++++++++++++++ sysdeps/x86_64/fpu/s_fdiml.S | 42 +++++++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_finitel.S | 16 +++++++++++ sysdeps/x86_64/fpu/s_fmax.S | 36 +++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_fmaxf.S | 36 +++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_fmaxl.S | 40 +++++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_fmin.S | 36 +++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_fminf.S | 36 +++++++++++++++++++++++++ sysdeps/x86_64/fpu/s_fminl.S | 38 ++++++++++++++++++++++++++ 12 files changed, 431 insertions(+) create mode 100644 sysdeps/x86_64/fpu/bits/mathinline.h create mode 100644 sysdeps/x86_64/fpu/s_copysign.S create mode 100644 sysdeps/x86_64/fpu/s_copysignf.S create mode 100644 sysdeps/x86_64/fpu/s_copysignl.S create mode 100644 sysdeps/x86_64/fpu/s_fdiml.S create mode 100644 sysdeps/x86_64/fpu/s_finitel.S create mode 100644 sysdeps/x86_64/fpu/s_fmax.S create mode 100644 sysdeps/x86_64/fpu/s_fmaxf.S create mode 100644 sysdeps/x86_64/fpu/s_fmaxl.S create mode 100644 sysdeps/x86_64/fpu/s_fmin.S create mode 100644 sysdeps/x86_64/fpu/s_fminf.S create mode 100644 sysdeps/x86_64/fpu/s_fminl.S (limited to 'sysdeps/x86_64') diff --git a/sysdeps/x86_64/fpu/bits/mathinline.h b/sysdeps/x86_64/fpu/bits/mathinline.h new file mode 100644 index 0000000000..08e1c5b1da --- /dev/null +++ b/sysdeps/x86_64/fpu/bits/mathinline.h @@ -0,0 +1,40 @@ +/* Inline math functions for x86-64. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _MATH_H +# error "Never use directly; include instead." +#endif + +#ifdef __cplusplus +# define __MATH_INLINE __inline +#else +# define __MATH_INLINE extern __inline +#endif + + +#if defined __USE_ISOC99 && defined __GNUC__ && __GNUC__ >= 2 +/* GCC has builtins that can be used. */ +# define isgreater(x, y) __builtin_isgreater (x, y) +# define isgreaterequal(x, y) __builtin_isgreaterequal (x, y) +# define isless(x, y) __builtin_isless (x, y) +# define islessequal(x, y) __builtin_islessequal (x, y) +# define islessgreater(x, y) __builtin_islessgreater (x, y) +# define isunordered(x, y) __builtin_isunordered (x, y) +#endif diff --git a/sysdeps/x86_64/fpu/s_copysign.S b/sysdeps/x86_64/fpu/s_copysign.S new file mode 100644 index 0000000000..f1ebcf8bf1 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_copysign.S @@ -0,0 +1,52 @@ +/* copy sign, double version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +#ifdef __ELF__ + .section .rodata +#else + .text +#endif + + .align ALIGNARG(4) + ASM_TYPE_DIRECTIVE(signmask,@object) +signmask: + .byte 0, 0, 0, 0, 0, 0, 0, 0x80 + .byte 0, 0, 0, 0, 0, 0, 0, 0 +othermask: + .byte 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f + .byte 0, 0, 0, 0, 0, 0, 0, 0 + ASM_SIZE_DIRECTIVE(othermask) + +#ifdef PIC +#define MO(op) op##(%rip) +#else +#define MO(op) op +#endif + +ENTRY(__copysign) + andpd MO(othermask),%xmm0 + andpd MO(signmask),%xmm1 + orpd %xmm1,%xmm0 + ret +END (__copysign) + +weak_alias (__copysign, copysign) diff --git a/sysdeps/x86_64/fpu/s_copysignf.S b/sysdeps/x86_64/fpu/s_copysignf.S new file mode 100644 index 0000000000..46919580d2 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_copysignf.S @@ -0,0 +1,37 @@ +/* copy sign, double version. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +ENTRY(__copysignf) + movss %xmm0,-4(%rsp) + mov -4(%rsp,1),%edx + movss %xmm1,-4(%rsp) + mov -4(%rsp),%eax + and $0x7fffffff,%edx + and $0x80000000,%eax + or %eax,%edx + mov %edx,-4(%rsp) + movss -4(%rsp),%xmm1 + movaps %xmm1,%xmm0 + retq +END (__copysignf) + +weak_alias (__copysignf, copysignf) diff --git a/sysdeps/x86_64/fpu/s_copysignl.S b/sysdeps/x86_64/fpu/s_copysignl.S new file mode 100644 index 0000000000..2ffd612d65 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_copysignl.S @@ -0,0 +1,22 @@ +/* + * Written by J.T. Conklin . + * Changes for long double by Ulrich Drepper . + * Adopted for x86-64 by Andreas Jaeger . + * Public domain. + */ + +#include + +RCSID("$NetBSD: $") + +ENTRY(__copysignl) + movl 32(%rsp),%edx + movl 16(%rsp),%eax + andl $0x8000,%edx + andl $0x7fff,%eax + orl %edx,%eax + movl %eax,16(%rsp) + fldt 8(%rsp) + ret +END (__copysignl) +weak_alias (__copysignl, copysignl) diff --git a/sysdeps/x86_64/fpu/s_fdiml.S b/sysdeps/x86_64/fpu/s_fdiml.S new file mode 100644 index 0000000000..3789d14bb0 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fdiml.S @@ -0,0 +1,42 @@ +/* Compute positive difference. + Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1997. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fdiml) + fldt 8(%esp) // x + fldt 24(%esp) // x : y + + fucomi %st(1), %st + jp 1f + + fsubrp %st, %st(1) + fldz + fcomi %st(1), %st + fcmovb %st(1), %st + jmp 2f + +1: fucomi %st(0), %st + fcmovnu %st(1), %st +2: fstp %st(1) + ret +END(__fdiml) +weak_alias (__fdiml, fdiml) diff --git a/sysdeps/x86_64/fpu/s_finitel.S b/sysdeps/x86_64/fpu/s_finitel.S new file mode 100644 index 0000000000..45b9886fb6 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_finitel.S @@ -0,0 +1,16 @@ +/* + * Written by Joe Keane . + * Adopted for x86-64 by Andreas Jaeger . + */ + +#include + +ENTRY(__finitel) + movl 16(%rsp),%eax + orl $0xffff8000, %eax + incl %eax + shrl $31, %eax + ret +END (__finitel) +strong_alias(__finitel, __finitel_internal) +weak_alias (__finitel, finitel) diff --git a/sysdeps/x86_64/fpu/s_fmax.S b/sysdeps/x86_64/fpu/s_fmax.S new file mode 100644 index 0000000000..b55d6f84ce --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fmax.S @@ -0,0 +1,36 @@ +/* Compute maximum of two numbers, regarding NaN as missing argument. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fmax) + ucomisd %xmm0, %xmm1 + jp 1f // jump if unordered + maxsd %xmm1, %xmm0 + jmp 2f + +1: ucomisd %xmm1, %xmm1 // Is xmm1 a NaN? + jp 2f // then return xmm0 + movsd %xmm1, %xmm0 // otherwise return xmm1 + +2: ret +END(__fmax) +weak_alias (__fmax, fmax) diff --git a/sysdeps/x86_64/fpu/s_fmaxf.S b/sysdeps/x86_64/fpu/s_fmaxf.S new file mode 100644 index 0000000000..20d6fdd065 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fmaxf.S @@ -0,0 +1,36 @@ +/* Compute maximum of two numbers, regarding NaN as missing argument. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fmaxf) + ucomiss %xmm0, %xmm1 + jp 1f // jump if unordered + maxss %xmm1, %xmm0 + jmp 2f + +1: ucomiss %xmm1, %xmm1 // Is xmm1 a NaN? + jp 2f // then return xmm0 + movss %xmm1, %xmm0 // otherwise return xmm1 + +2: ret +END(__fmaxf) +weak_alias (__fmaxf, fmaxf) diff --git a/sysdeps/x86_64/fpu/s_fmaxl.S b/sysdeps/x86_64/fpu/s_fmaxl.S new file mode 100644 index 0000000000..557ef3a17c --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fmaxl.S @@ -0,0 +1,40 @@ +/* Compute maximum of two numbers, regarding NaN as missing argument. + Copyright (C) 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1997. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fmaxl) + fldt 8(%rsp) // x + fldt 24(%rsp) // x : y + + fucomi %st(0), %st + fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise + + fxch + + fucomi %st(1), %st + fcmovb %st(1), %st + + fstp %st(1) + + ret +END(__fmaxl) +weak_alias (__fmaxl, fmaxl) diff --git a/sysdeps/x86_64/fpu/s_fmin.S b/sysdeps/x86_64/fpu/s_fmin.S new file mode 100644 index 0000000000..37a3daaab2 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fmin.S @@ -0,0 +1,36 @@ +/* Compute minimum of two numbers, regarding NaN as missing argument. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fmin) + ucomisd %xmm0, %xmm1 + jp 1f // jump if unordered + minsd %xmm1, %xmm0 + jmp 2f + +1: ucomisd %xmm1, %xmm1 // Is xmm1 a NaN? + jp 2f // then return xmm0 + movsd %xmm1, %xmm0 // otherwise return xmm1 + +2: ret +END(__fmin) +weak_alias (__fmin, fmin) diff --git a/sysdeps/x86_64/fpu/s_fminf.S b/sysdeps/x86_64/fpu/s_fminf.S new file mode 100644 index 0000000000..8e6f04bc08 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fminf.S @@ -0,0 +1,36 @@ +/* Compute minimum of two numbers, regarding NaN as missing argument. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fminf) + ucomiss %xmm0, %xmm1 + jp 1f // jump if unordered + minss %xmm1, %xmm0 + jmp 2f + +1: ucomiss %xmm1, %xmm1 // Is xmm1 a NaN? + jp 2f // then return xmm0 + movss %xmm1, %xmm0 // otherwise return xmm1 + +2: ret +END(__fminf) +weak_alias (__fminf, fminf) diff --git a/sysdeps/x86_64/fpu/s_fminl.S b/sysdeps/x86_64/fpu/s_fminl.S new file mode 100644 index 0000000000..cbe58f1b25 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_fminl.S @@ -0,0 +1,38 @@ +/* Compute minimum of two numbers, regarding NaN as missing argument. + Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 1997. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + + .text +ENTRY(__fminl) + fldt 8(%rsp) // x + fldt 24(%rsp) // x : y + + fucomi %st(0), %st + fcmovu %st(1), %st // now %st contains y if not NaN, x otherwise + + fucomi %st(1), %st + fcmovnb %st(1), %st + + fstp %st(1) + + ret +END(__fminl) +weak_alias (__fminl, fminl) -- cgit v1.2.3