Update.

2002-07-06  Andreas Jaeger  <aj@suse.de>

	* 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.

12 files changed, 431 insertions, 0 deletions

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 <aj@suse.de>, 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 <bits/mathinline.h> directly; include <math.h> 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 <aj@suse.de>, 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 <machine/asm.h>
+
+#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 <aj@suse.de>, 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 <machine/asm.h>
+
+ENTRY(__copysignf)
+	movss  %xmm0,-4(%rsp)
+	mov    -4(%rsp,1),%edx
+	movss  %xmm1,-4(%rsp)
+	mov    -4(%rsp),%eax
+	and    $0x7fffffff,%edx
+	and    $0x80000000,%eax
+	or     %eax,%edx
+	mov    %edx,-4(%rsp)
+	movss  -4(%rsp),%xmm1
+	movaps %xmm1,%xmm0
+	retq
+END (__copysignf)
+
+weak_alias (__copysignf, copysignf)
diff --git a/sysdeps/x86_64/fpu/s_copysignl.S b/sysdeps/x86_64/fpu/s_copysignl.S
new file mode 100644
index 0000000000..2ffd612d65
--- /dev/null
+++ b/sysdeps/x86_64/fpu/s_copysignl.S
@@ -0,0 +1,22 @@
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Changes for long double by Ulrich Drepper <drepper@cygnus.com>.
+ * Adopted for x86-64 by Andreas Jaeger <aj@suse.de>.
+ * Public domain.
+ */
+
+#include <machine/asm.h>
+
+RCSID("$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 <drepper@cygnus.com>, 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 <sysdep.h>
+
+	.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 <jgk@jgk.org>.
+ * Adopted for x86-64 by Andreas Jaeger <aj@suse.de>.
+ */
+
+#include <machine/asm.h>
+
+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 <aj@suse.de>, 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 <sysdep.h>
+
+	.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 <aj@suse.de>, 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 <sysdep.h>
+
+	.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 <drepper@cygnus.com>, 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 <sysdep.h>
+
+	.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 <aj@suse.de>, 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 <sysdep.h>
+
+	.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 <aj@suse.de>, 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 <sysdep.h>
+
+	.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 <drepper@cygnus.com>, 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 <sysdep.h>
+
+	.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)