(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

13 files changed, 82 insertions, 130 deletions

diff --git a/sysdeps/x86_64/fpu/bits/mathdef.h b/sysdeps/x86_64/fpu/bits/mathdef.h
new file mode 100644
index 0000000000..7b16189590
--- /dev/null
+++ b/sysdeps/x86_64/fpu/bits/mathdef.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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.  */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF	1
+
+# include <bits/wordsize.h>
+
+# if __WORDSIZE == 64 || (defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0)
+/* The x86-64 architecture computes values with the precission of the
+   used type.  Similarly for -m32 -mfpmath=sse.  */
+typedef float float_t;		/* `float' expressions are evaluated as `float'.  */
+typedef double double_t;	/* `double' expressions are evaluated
+				   as `double'.  */
+# else
+/* The ix87 FPUs evaluate all values in the 80 bit floating-point format
+   which is also available for the user as `long double'.  Therefore we
+   define:  */
+typedef long double float_t;	/* `float' expressions are evaluated as
+				   `long double'.  */
+typedef long double double_t;	/* `double' expressions are evaluated as
+				   `long double'.  */
+# endif
+
+/* The values returned by `ilogb' for 0 and NaN respectively.  */
+# define FP_ILOGB0	(-2147483647 - 1)
+# define FP_ILOGBNAN	(-2147483647 - 1)
+
+#endif	/* ISO C99 */
diff --git a/sysdeps/x86_64/fpu/e_log10l.S b/sysdeps/x86_64/fpu/e_log10l.S
index 633234b744..b4343bef45 100644
--- a/sysdeps/x86_64/fpu/e_log10l.S
+++ b/sysdeps/x86_64/fpu/e_log10l.S
@@ -42,7 +42,7 @@ ENTRY(__ieee754_log10l)
 	fxam
 	fnstsw
 	fld	%st		// x : x : log10(2)
-	testb	$1, %ah
+	andb	$1,%ah
 	jnz	3f		// in case x is NaN or ħInf
 4:	fsubl	MO(one)		// x-1 : x : log10(2)
 	fld	%st		// x-1 : x-1 : x : log10(2)
@@ -59,8 +59,7 @@ ENTRY(__ieee754_log10l)
 	fyl2x			// log10(x)
 	ret
 
-3:	testb	$4, %ah
-	jnz	4b		// in case x is ħInf
+3:	jp	4b		// in case x is ħInf
 	fstp	%st(1)
 	fstp	%st(1)
 	ret
diff --git a/sysdeps/x86_64/fpu/e_log2l.S b/sysdeps/x86_64/fpu/e_log2l.S
index f04d30a05a..7a89b94d9f 100644
--- a/sysdeps/x86_64/fpu/e_log2l.S
+++ b/sysdeps/x86_64/fpu/e_log2l.S
@@ -39,7 +39,7 @@ ENTRY(__ieee754_log2l)
 	fxam
 	fnstsw
 	fld	%st		// x : x : 1
-	testb	$1, %ah
+	andb	$1,%ah
 	jnz	3f		// in case x is NaN or ħInf
 4:	fsub	%st(2), %st	// x-1 : x : 1
 	fld	%st		// x-1 : x-1 : x : 1
@@ -56,8 +56,7 @@ ENTRY(__ieee754_log2l)
 	fyl2x			// log(x)
 	ret
 
-3:	testb	$4, %ah
-	jnz	4b		// in case x is ħInf
+3:	jp	4b		// in case x is ħInf
 	fstp	%st(1)
 	fstp	%st(1)
 	ret
diff --git a/sysdeps/x86_64/fpu/e_logl.S b/sysdeps/x86_64/fpu/e_logl.S
index 2ba91eedfd..a0bed663c8 100644
--- a/sysdeps/x86_64/fpu/e_logl.S
+++ b/sysdeps/x86_64/fpu/e_logl.S
@@ -38,12 +38,8 @@ limit:	.double 0.29
 ENTRY(__ieee754_logl)
 	fldln2			// log(2)
 	fldt	8(%rsp)		// x : log(2)
-	fxam
-	fnstsw
 	fld	%st		// x : x : log(2)
-	testb	$1, %ah
-	jnz	3f		// in case x is NaN or +-Inf
-4:	fsubl	MO(one)		// x-1 : x : log(2)
+	fsubl	MO(one)		// x-1 : x : log(2)
 	fld	%st		// x-1 : x-1 : x : log(2)
 	fabs			// |x-1| : x-1 : x : log(2)
 	fcompl	MO(limit)	// x-1 : x : log(2)
@@ -57,10 +53,4 @@ ENTRY(__ieee754_logl)
 2:	fstp	%st(0)		// x : log(2)
 	fyl2x			// log(x)
 	ret
-
-3:	testb	$4, %ah
-	jnz	4b		// in case x is +-Inf
-	fstp	%st(1)
-	fstp	%st(1)
-	ret
 END (__ieee754_logl)
diff --git a/sysdeps/x86_64/fpu/e_powl.S b/sysdeps/x86_64/fpu/e_powl.S
index 4959bea7ac..85f4deb3c7 100644
--- a/sysdeps/x86_64/fpu/e_powl.S
+++ b/sysdeps/x86_64/fpu/e_powl.S
@@ -1,6 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -147,11 +146,10 @@ ENTRY(__ieee754_powl)
 2:	/* y is a real number.  */
 	fxch			// x : y
 	fldl	MO(one)		// 1.0 : x : y
-	fldl	MO(limit)	// 0.29 : 1.0 : x : y
-	fld	%st(2)		// x : 0.29 : 1.0 : x : y
-	fsub	%st(2)		// x-1 : 0.29 : 1.0 : x : y
-	fabs			// |x-1| : 0.29 : 1.0 : x : y
-	fucompp			// 1.0 : x : y
+	fld	%st(1)		// x : 1.0 : x : y
+	fsub	%st(1)		// x-1 : 1.0 : x : y
+	fabs			// |x-1| : 1.0 : x : y
+	fcompl	MO(limit)	// 1.0 : x : y
 	fnstsw
 	fxch			// x : 1.0 : y
 	test	$4500,%eax
@@ -192,10 +190,9 @@ ENTRY(__ieee754_powl)
 	// y == ħinf
 	.align ALIGNARG(4)
 12:	fstp	%st(0)		// pop y
-	fldl	MO(one)		// 1
-	fldt	8(%rsp)		// x : 1
-	fabs			// abs(x) : 1
-	fucompp			// < 1, == 1, or > 1
+	fldt	8(%rsp)		// x
+	fabs
+	fcompl	MO(one)		// < 1, == 1, or > 1
 	fnstsw
 	andb	$0x45, %ah
 	cmpb	$0x45, %ah
diff --git a/sysdeps/x86_64/fpu/feholdexcpt.c b/sysdeps/x86_64/fpu/feholdexcpt.c
index a9b21a3c25..db53d0f07f 100644
--- a/sysdeps/x86_64/fpu/feholdexcpt.c
+++ b/sysdeps/x86_64/fpu/feholdexcpt.c
@@ -1,5 +1,5 @@
 /* Store current floating-point environment and clear exceptions.
-   Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -39,4 +39,3 @@ feholdexcept (fenv_t *envp)
 
   return 0;
 }
-libm_hidden_def (feholdexcept)
diff --git a/sysdeps/x86_64/fpu/fesetround.c b/sysdeps/x86_64/fpu/fesetround.c
index 408116eee8..429b7f1d0c 100644
--- a/sysdeps/x86_64/fpu/fesetround.c
+++ b/sysdeps/x86_64/fpu/fesetround.c
@@ -1,5 +1,5 @@
 /* Set current rounding direction.
-   Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -44,4 +44,3 @@ fesetround (int round)
 
   return 0;
 }
-libm_hidden_def (fesetround)
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index 0ced4be7b8..b3ce8bfeee 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -24,14 +24,17 @@ ldouble: 1
 
 # atan2
 Test "atan2 (-0.75, -1.0) == -2.49809154479650885165983415456218025":
-float: 1
-ifloat: 1
+float: 3
+ifloat: 3
 Test "atan2 (0.75, -1.0) == 2.49809154479650885165983415456218025":
-float: 1
-ifloat: 1
+float: 3
+ifloat: 3
 Test "atan2 (1.390625, 0.9296875) == 0.981498387184244311516296577615519772":
 float: 1
 ifloat: 1
+Test "atan2 (-0.00756827042671106339, -.001792735857538728036) == -1.80338464113663849327153994379639112":
+float: 6
+ifloat: 6
 
 # atanh
 Test "atanh (0.75) == 0.972955074527656652552676371721589865":
@@ -48,14 +51,14 @@ ildouble: 2
 ldouble: 2
 
 # cacosh
-Test "Real part of: cacosh (-2 - 3 i) == 1.9833870299165354323470769028940395 - 2.1414491111159960199416055713254211 i":
+Test "Real part of: cacosh (-2 - 3 i) == -1.9833870299165354323470769028940395 + 2.1414491111159960199416055713254211 i":
 double: 1
 float: 7
 idouble: 1
 ifloat: 7
 ildouble: 6
 ldouble: 6
-Test "Imaginary part of: cacosh (-2 - 3 i) == 1.9833870299165354323470769028940395 - 2.1414491111159960199416055713254211 i":
+Test "Imaginary part of: cacosh (-2 - 3 i) == -1.9833870299165354323470769028940395 + 2.1414491111159960199416055713254211 i":
 double: 1
 float: 3
 idouble: 1
@@ -950,8 +953,8 @@ ildouble: 1
 ldouble: 1
 
 Function: "atan2":
-float: 1
-ifloat: 1
+float: 6
+ifloat: 6
 
 Function: "atanh":
 float: 1
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h
deleted file mode 100644
index 4febcbb5ec..0000000000
--- a/sysdeps/x86_64/fpu/math_private.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef _MATH_PRIVATE_H
-
-#define math_opt_barrier(x) \
-({ __typeof(x) __x;					\
-   if (sizeof (x) <= sizeof (double))			\
-     __asm ("" : "=x" (__x) : "0" (x));			\
-   else							\
-     __asm ("" : "=t" (__x) : "0" (x));			\
-   __x; })
-#define math_force_eval(x) \
-do							\
-  {							\
-    if (sizeof (x) <= sizeof (double))			\
-      __asm __volatile ("" : : "x" (x));		\
-    else						\
-      __asm __volatile ("" : : "f" (x));		\
-  }							\
-while (0)
-
-#include <math/math_private.h>
-#endif
diff --git a/sysdeps/x86_64/fpu/printf_fphex.c b/sysdeps/x86_64/fpu/printf_fphex.c
index b701b20b87..d6ca102a88 100644
--- a/sysdeps/x86_64/fpu/printf_fphex.c
+++ b/sysdeps/x86_64/fpu/printf_fphex.c
@@ -1,5 +1,5 @@
 /* Print floating point number in hexadecimal notation according to ISO C99.
-   Copyright (C) 1997,1998,1999,2000,2001,2005 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -89,4 +89,4 @@ do {									      \
 	}								      \
 } while (0)
 
-#include <stdio-common/printf_fphex.c>
+#include <sysdeps/generic/printf_fphex.c>
diff --git a/sysdeps/x86_64/fpu/s_log1pl.S b/sysdeps/x86_64/fpu/s_log1pl.S
index ac2bd22a4f..7fbd0e5aaa 100644
--- a/sysdeps/x86_64/fpu/s_log1pl.S
+++ b/sysdeps/x86_64/fpu/s_log1pl.S
@@ -45,7 +45,7 @@ ENTRY(__log1pl)
 	fxam
 	fnstsw
 	fld	%st
-	testb	$1, %ah
+	andb	$1,%ah
 	jnz	3f		// in case x is NaN or ħInf
 4:
 	fabs
@@ -62,8 +62,7 @@ ENTRY(__log1pl)
 2:	fyl2xp1
 	ret
 
-3:	testb	$4, %ah
-	jnz	4b		// in case x is ħInf
+3:	jp	4b		// in case x is ħInf
 	fstp	%st(1)
 	fstp	%st(1)
 	ret
diff --git a/sysdeps/x86_64/fpu/s_sincos.S b/sysdeps/x86_64/fpu/s_sincos.S
deleted file mode 100644
index 9a33615340..0000000000
--- a/sysdeps/x86_64/fpu/s_sincos.S
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Compute sine and cosine of argument.
-   Copyright (C) 1997, 2000, 2001, 2005 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 <machine/asm.h>
-#include "bp-sym.h"
-#include "bp-asm.h"
-
-#define PARMS	LINKAGE		/* no space for saved regs */
-#define ANGLE	PARMS
-#define SINP	ANGLE+12
-#define COSP	SINP+PTR_SIZE
-
-	.text
-ENTRY (BP_SYM (__sincos))
-	ENTER
-
-	movsd	%xmm0, -8(%rsp)
-	fldl	-8(%rsp)
-	fsincos
-	fnstsw	%ax
-	testl	$0x400,%eax
-	jnz	1f
-	fstpl	(%rsi)
-	fstpl	(%rdi)
-
-	LEAVE
-	retq
-
-1:	fldpi
-	fadd	%st(0)
-	fxch	%st(1)
-2:	fprem1
-	fnstsw	%ax
-	testl	$0x400,%eax
-	jnz	2b
-	fstp	%st(1)
-	fsincos
-	fstpl	(%rsi)
-	fstpl	(%rdi)
-
-	LEAVE
-	retq
-END (BP_SYM (__sincos))
-weak_alias (BP_SYM (__sincos), BP_SYM (sincos))
diff --git a/sysdeps/x86_64/fpu/s_sincosl.S b/sysdeps/x86_64/fpu/s_sincosl.S
index b17eabe767..9a3025ab5f 100644
--- a/sysdeps/x86_64/fpu/s_sincosl.S
+++ b/sysdeps/x86_64/fpu/s_sincosl.S
@@ -1,5 +1,5 @@
 /* Compute sine and cosine of argument.
-   Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -40,8 +40,9 @@ ENTRY (BP_SYM (__sincosl))
 	fstpt	(%rdi)
 
 	LEAVE
-	retq
+	ret
 
+	.align ALIGNARG(4)
 1:	fldpi
 	fadd	%st(0)
 	fxch	%st(1)
@@ -55,6 +56,6 @@ ENTRY (BP_SYM (__sincosl))
 	fstpt	(%rdi)
 
 	LEAVE
-	retq
+	ret
 END (BP_SYM (__sincosl))
 weak_alias (BP_SYM (__sincosl), BP_SYM (sincosl))