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[Commits] r22214 - in /fsf/trunk/libc: ./ sysdeps/sparc/ sysdeps/sparc/sparc32/fpu/ sysdeps/sparc/sparc32/sparcv9/fpu/ sysdeps/sparc/s...



Author: eglibc
Date: Wed Jan 16 00:02:10 2013
New Revision: 22214

Log:
Import glibc-mainline for 2013-01-16

Added:
    fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdim.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdimf.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis2.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdim.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdimf.S
Modified:
    fsf/trunk/libc/ChangeLog
    fsf/trunk/libc/sysdeps/sparc/sparc-ifunc.h
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S
    fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S
    fsf/trunk/libc/sysdeps/unix/sysv/linux/scsi/sg.h

Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Wed Jan 16 00:02:10 2013
@@ -1,3 +1,65 @@
+2013-01-15  Mike Frysinger  <vapier@xxxxxxxxxx>
+
+	* sysdeps/unix/sysv/linux/scsi/sg.h: Include stddef.h.
+
+2013-01-14  David S. Miller  <davem@xxxxxxxxxxxxx>
+
+	* sysdeps/sparc/sparc-ifunc.h (SPARC_ASM_IFUNC2): New macro.
+	(SPARC_ASM_VIS2_IFUNC): Likewise.
+	(SPARC_ASM_VIS3_VIS2_IFUNC): Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S: Make
+	use of 'siam' instruction.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S:
+	Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S:
+	Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S:
+	Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S: Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S: Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S: Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S: Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis2.S: New
+	file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis2.S: New
+	file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis2.S: New
+	file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis2.S: New
+	file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis2.S: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis2.S: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis2.S: New file.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis2.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S: Hook in
+	new VIS2 routines.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S: Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S: Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S:
+	Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S: Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S: Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S: Likewise.
+	* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S: Likewise.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add new VIS2
+	routines to libm-sysdep_routines.
+	* sysdeps/sparc/sparc64/fpu/multiarch/Makefile: Likewise.
+
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile: Add vis3
+	fdim/fdimf to libm-sysdep_routines.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: New
+	file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: New
+	file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: New file.
+	* sysdeps/sparc/sparc32/fpu/s_fdim.S: New file.
+	* sysdeps/sparc/sparc32/fpu/s_fdimf.S: New file.
+	* sysdeps/sparc/sparc64/fpu/s_fdim.S: New file.
+	* sysdeps/sparc/sparc64/fpu/s_fdimf.S: New file.
+
 2013-01-14  Siddhesh Poyarekar  <siddhesh@xxxxxxxxxx>
 
 	* sysdeps/ieee754/dbl-64/mpa.c (__mul): Add a local variable

Modified: fsf/trunk/libc/sysdeps/sparc/sparc-ifunc.h
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc-ifunc.h (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc-ifunc.h Wed Jan 16 00:02:10 2013
@@ -51,6 +51,33 @@
 	 mov	%o1, %o0;				\
 END (__##name)
 
+#  define SPARC_ASM_IFUNC2(name, m1, f1, m2, f2, dflt)	\
+ENTRY (__##name)					\
+	.type	__##name, @gnu_indirect_function;	\
+	SETUP_PIC_REG_LEAF(o3, o5);			\
+	set	m1, %o1;				\
+	andcc	%o0, %o1, %g0;				\
+	be	8f;					\
+	 nop;						\
+	sethi	%gdop_hix22(f1), %o1;			\
+	xor	%o1, %gdop_lox10(f1), %o1;		\
+	ba	10f;					\
+	 nop;						\
+8:	set	m2, %o1;				\
+	andcc	%o0, %o1, %g0;				\
+	be	9f;					\
+	 nop;						\
+	sethi	%gdop_hix22(f2), %o1;			\
+	xor	%o1, %gdop_lox10(f2), %o1;		\
+	ba	10f;					\
+	 nop;						\
+9:	sethi	%gdop_hix22(dflt), %o1;			\
+	xor	%o1, %gdop_lox10(dflt), %o1;		\
+10:	add	%o3, %o1, %o1;				\
+	retl;						\
+	 mov	%o1, %o0;				\
+END (__##name)
+
 # else /* SHARED */
 
 # ifdef __arch64__
@@ -82,7 +109,33 @@
 	 mov	%o1, %o0;				\
 END (__##name)
 
+#  define SPARC_ASM_IFUNC2(name, m1, f1, m2, f2, dflt)	\
+ENTRY (__##name)					\
+	.type	__##name, @gnu_indirect_function;	\
+	set	m1, %o1;				\
+	andcc	%o0, %o1, %g0;				\
+	be	8f;					\
+	 nop;						\
+	SET(f1, %g1, %o1);				\
+	ba	10f;					\
+	 nop;						\
+8:	set	m2, %o1;				\
+	andcc	%o0, %o1, %g0;				\
+	be	9f;					\
+	 nop;						\
+	SET(f2, %g1, %o1);				\
+	ba	10f;					\
+	 nop;						\
+9:	SET(dflt, %g1, %o1);				\
+10:	retl;						\
+	 mov	%o1, %o0;				\
+END (__##name)
+
 # endif /* SHARED */
+
+#define SPARC_ASM_VIS2_IFUNC(name)			\
+	SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS2,	\
+			 __##name##_vis2, __##name##_generic)
 
 # ifdef HAVE_AS_VIS3_SUPPORT
 
@@ -90,10 +143,19 @@
 	SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS3,	\
 			 __##name##_vis3, __##name##_generic)
 
+#define SPARC_ASM_VIS3_VIS2_IFUNC(name)			\
+	SPARC_ASM_IFUNC2(name, HWCAP_SPARC_VIS3,	\
+			 __##name##_vis3,		\
+			 HWCAP_SPARC_VIS2,		\
+			 __##name##_vis2, __##name##_generic)
+
 # else /* HAVE_AS_VIS3_SUPPORT */
 
 #define SPARC_ASM_VIS3_IFUNC(name)			\
 	SPARC_ASM_IFUNC_DFLT(name, __##name##_generic)
+
+#define SPARC_ASM_VIS3_VIS2_IFUNC(name)			\
+	SPARC_ASM_VIS2_IFUNC(name)
 
 # endif /* HAVE_AS_VIS3_SUPPORT */
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdim.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdim.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdim.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,41 @@
+/* Compute positive difference, sparc 32-bit.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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 <math_ldbl_opt.h>
+
+ENTRY(__fdim)
+	std	%o0, [%sp + 72]
+	std	%o2, [%sp + 80]
+	ldd	[%sp + 72], %f0
+	ldd	[%sp + 80], %f2
+	fcmpd	%f0, %f2
+	st	%g0, [%sp + 72]
+	fbug	1f
+	 st	%g0, [%sp + 76]
+	ldd	[%sp + 72], %f0
+	fnegd	%f0, %f2
+1:	retl
+	 fsubd	%f0, %f2, %f0
+END(__fdim)
+weak_alias (__fdim, fdim)
+
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
+#endif

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdimf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdimf.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/fpu/s_fdimf.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,35 @@
+/* Compute positive difference, sparc 32-bit.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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>
+
+ENTRY(__fdimf)
+	st	%o0, [%sp + 72]
+	st	%o1, [%sp + 76]
+	ld	[%sp + 72], %f0
+	ld	[%sp + 76], %f1
+	fcmps	%f0, %f1
+	fbug	1f
+	 st	%g0, [%sp + 72]
+	ld	[%sp + 72], %f0
+	fnegs	%f0, %f1
+1:	retl
+	 fsubs	%f0, %f1, %f0
+END(__fdimf)
+weak_alias (__fdimf, fdimf)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile Wed Jan 16 00:02:10 2013
@@ -1,11 +1,13 @@
 ifeq ($(subdir),math)
+libm-sysdep_routines += s_ceil-vis2 s_ceilf-vis2 \
+			s_floor-vis2 s_floorf-vis2
 ifeq ($(have-as-vis3),yes)
 libm-sysdep_routines += m_copysignf-vis3 m_copysign-vis3 s_ceilf-vis3 \
 			s_ceil-vis3 s_fabs-vis3 s_fabsf-vis3 s_floor-vis3 \
 			s_floorf-vis3 s_llrintf-vis3 s_llrint-vis3 \
 			s_rintf-vis3 s_rint-vis3 w_sqrt-vis3 w_sqrtf-vis3 \
 			s_fminf-vis3 s_fmin-vis3 s_fmaxf-vis3 s_fmax-vis3 \
-			s_fmaf-vis3 s_fma-vis3
+			s_fmaf-vis3 s_fma-vis3 s_fdimf-vis3 s_fdim-vis3
 sysdep_routines += s_copysignf-vis3 s_copysign-vis3
 endif
 endif

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,61 @@
+/* ceil function, sparc32 v9 vis2 version.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2013.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_FIFTYTWO	0x43300000		/* 2**52 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__ceil_vis2)
+	sethi	%hi(TWO_FIFTYTWO), %o2
+	sllx	%o0, 32, %o0
+	or	%o0, %o1, %o0
+	stx	%o0, [%sp + 72]
+	sllx	%o2, 32, %o2
+	fzero	ZERO
+	ldd	[%sp + 72], %f0
+	fnegd	ZERO, SIGN_BIT
+	stx	%o2, [%sp + 72]
+	fabsd	%f0, %f14
+	ldd	[%sp + 72], %f16
+	fcmpd	%fcc3, %f14, %f16
+	fmovduge %fcc3, ZERO, %f16
+	fand	%f0, SIGN_BIT, SIGN_BIT
+	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
+	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
+	fsubd	%f18, %f16, %f18
+	siam	(0 << 2)
+	retl
+	 for	%f18, SIGN_BIT, %f0
+END (__ceil_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,27 +19,21 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_FIFTYTWO	0x43300000		/* 2**52 */
-#define ONE_DOT_ZERO	0x3ff00000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
@@ -47,32 +41,22 @@
 ENTRY (__ceil_vis3)
 	sethi	%hi(TWO_FIFTYTWO), %o2
 	sllx	%o0, 32, %o0
-	sethi	%hi(ONE_DOT_ZERO), %o3
+	sllx	%o2, 32, %o2
 	or	%o0, %o1, %o0
 	movxtod	%o0, %f0
-	sllx	%o2, 32, %o2
 	fzero	ZERO
-	sllx	%o3, 32, %o3
-
 	fnegd	ZERO, SIGN_BIT
-
 	movxtod	%o2, %f16
 	fabsd	%f0, %f14
-
 	fcmpd	%fcc3, %f14, %f16
-
 	fmovduge %fcc3, ZERO, %f16
 	fand	%f0, SIGN_BIT, SIGN_BIT
-
 	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
 	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
 	fsubd	%f18, %f16, %f18
-	fcmpd	%fcc2, %f18, %f0
-	movxtod	%o3, %f20
-
-	fmovduge %fcc2, ZERO, %f20
-	faddd	%f18, %f20, %f0
-	fabsd	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 for	%f0, SIGN_BIT, %f0
+	 for	%f18, SIGN_BIT, %f0
 END (__ceil_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceil.S Wed Jan 16 00:02:10 2013
@@ -1,7 +1,7 @@
 #include <sparc-ifunc.h>
 #include <math_ldbl_opt.h>
 
-SPARC_ASM_VIS3_IFUNC(ceil)
+SPARC_ASM_VIS3_VIS2_IFUNC(ceil)
 
 weak_alias (__ceil, ceil)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,58 @@
+/* Float ceil function, sparc32 v9 vis2 version.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2013.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__ceilf_vis2)
+	st	%o0, [%sp + 68]
+	sethi	%hi(TWO_TWENTYTHREE), %o2
+	fzeros	ZERO
+	ld	[%sp + 68], %f0
+	fnegs	ZERO, SIGN_BIT
+	st	%o2, [%sp + 68]
+	fabss	%f0, %f14
+	ld	[%sp + 68], %f16
+	fcmps	%fcc3, %f14, %f16
+	fmovsuge %fcc3, ZERO, %f16
+	fands	%f0, SIGN_BIT, SIGN_BIT
+	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
+	fadds	%f0, %f16, %f1
+	siam	(1 << 2) | 0
+	fsubs	%f1, %f16, %f1
+	siam	(0 << 2)
+	retl
+	 fors	%f1, SIGN_BIT, %f0
+END (__ceilf_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,27 +19,21 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
-#define ONE_DOT_ZERO	0x3f800000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
@@ -47,28 +41,19 @@
 ENTRY (__ceilf_vis3)
 	movwtos	%o0, %f0
 	sethi	%hi(TWO_TWENTYTHREE), %o2
-	sethi	%hi(ONE_DOT_ZERO), %o3
 	fzeros	ZERO
-
 	fnegs	ZERO, SIGN_BIT
-
 	movwtos	%o2, %f16
 	fabss	%f0, %f14
-
 	fcmps	%fcc3, %f14, %f16
-
 	fmovsuge %fcc3, ZERO, %f16
 	fands	%f0, SIGN_BIT, SIGN_BIT
-
 	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
 	fadds	%f0, %f16, %f1
+	siam	(1 << 2) | 0
 	fsubs	%f1, %f16, %f1
-	fcmps	%fcc2, %f1, %f0
-	movwtos	%o3, %f9
-
-	fmovsuge %fcc2, ZERO, %f9
-	fadds	%f1, %f9, %f0
-	fabss	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 fors	%f0, SIGN_BIT, %f0
+	 fors	%f1, SIGN_BIT, %f0
 END (__ceilf_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_ceilf.S Wed Jan 16 00:02:10 2013
@@ -1,6 +1,6 @@
 #include <sparc-ifunc.h>
 
-SPARC_ASM_VIS3_IFUNC(ceilf)
+SPARC_ASM_VIS3_VIS2_IFUNC(ceilf)
 
 weak_alias (__ceilf, ceilf)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,34 @@
+/* Compute positive difference, sparc 32-bit+v9+vis3.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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>
+
+ENTRY(__fdim_vis3)
+	movwtos	%o0, %f0
+	movwtos	%o1, %f1
+	movwtos	%o2, %f2
+	movwtos	%o3, %f3
+	fcmpd	%f0, %f2
+	fbug	1f
+	 nop
+	fzero	%f0
+	fnegd	%f0, %f2
+1:	retl
+	 fsubd	%f0, %f2, %f0
+END(__fdim_vis3)

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,19 @@
+#include <sparc-ifunc.h>
+#include <math_ldbl_opt.h>
+
+SPARC_ASM_VIS3_IFUNC(fdim)
+
+weak_alias (__fdim, fdim)
+
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
+#endif
+
+# undef weak_alias
+# define weak_alias(a, b)
+# undef compat_symbol
+# define compat_symbol(a, b, c, d)
+
+#define __fdim __fdim_generic
+
+#include "../s_fdim.S"

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,32 @@
+/* Compute positive difference, sparc 32-bit+v9+vis3.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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>
+
+ENTRY(__fdimf_vis3)
+	movwtos	%o0, %f0
+	movwtos	%o1, %f1
+	fcmps	%f0, %f1
+	fbug	1f
+	 nop
+	fzeros	%f0
+	fnegs	%f0, %f1
+1:	retl
+	 fsubs	%f0, %f1, %f0
+END(__fdimf_vis3)

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,12 @@
+#include <sparc-ifunc.h>
+
+SPARC_ASM_VIS3_IFUNC(fdimf)
+
+weak_alias (__fdimf, fdimf)
+
+# undef weak_alias
+# define weak_alias(a, b)
+
+#define __fdimf __fdimf_generic
+
+#include "../s_fdimf.S"

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,61 @@
+/* floor function, sparc32 v9 vis2 version.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2013.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_FIFTYTWO	0x43300000		/* 2**52 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__floor_vis2)
+	sethi	%hi(TWO_FIFTYTWO), %o2
+	sllx	%o0, 32, %o0
+	or	%o0, %o1, %o0
+	stx	%o0, [%sp + 72]
+	sllx	%o2, 32, %o2
+	fzero	ZERO
+	ldd	[%sp + 72], %f0
+	fnegd	ZERO, SIGN_BIT
+	stx	%o2, [%sp + 72]
+	fabsd	%f0, %f14
+	ldd	[%sp + 72], %f16
+	fcmpd	%fcc3, %f14, %f16
+	fmovduge %fcc3, ZERO, %f16
+	fand	%f0, SIGN_BIT, SIGN_BIT
+	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
+	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
+	fsubd	%f18, %f16, %f18
+	siam	(0 << 2)
+	retl
+	 for	%f18, SIGN_BIT, %f0
+END (__floor_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,27 +19,21 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_FIFTYTWO	0x43300000		/* 2**52 */
-#define ONE_DOT_ZERO	0x3ff00000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
@@ -47,32 +41,22 @@
 ENTRY (__floor_vis3)
 	sethi	%hi(TWO_FIFTYTWO), %o2
 	sllx	%o0, 32, %o0
-	sethi	%hi(ONE_DOT_ZERO), %o3
+	sllx	%o2, 32, %o2
 	or	%o0, %o1, %o0
 	movxtod	%o0, %f0
-	sllx	%o2, 32, %o2
 	fzero	ZERO
-	sllx	%o3, 32, %o3
-
 	fnegd	ZERO, SIGN_BIT
-
 	movxtod	%o2, %f16
 	fabsd	%f0, %f14
-
 	fcmpd	%fcc3, %f14, %f16
-
 	fmovduge %fcc3, ZERO, %f16
 	fand	%f0, SIGN_BIT, SIGN_BIT
-
 	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
 	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
 	fsubd	%f18, %f16, %f18
-	fcmpd	%fcc2, %f18, %f0
-	movxtod	%o3, %f20
-
-	fmovdule %fcc2, ZERO, %f20
-	fsubd	%f18, %f20, %f0
-	fabsd	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 for	%f0, SIGN_BIT, %f0
+	 for	%f18, SIGN_BIT, %f0
 END (__floor_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floor.S Wed Jan 16 00:02:10 2013
@@ -1,7 +1,7 @@
 #include <sparc-ifunc.h>
 #include <math_ldbl_opt.h>
 
-SPARC_ASM_VIS3_IFUNC(floor)
+SPARC_ASM_VIS3_VIS2_IFUNC(floor)
 
 weak_alias (__floor, floor)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,58 @@
+/* Float floor function, sparc32 v9 vis2 version.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2013.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__floorf_vis2)
+	st	%o0, [%sp + 68]
+	sethi	%hi(TWO_TWENTYTHREE), %o2
+	fzeros	ZERO
+	ld	[%sp + 68], %f0
+	fnegs	ZERO, SIGN_BIT
+	st	%o2, [%sp + 68]
+	fabss	%f0, %f14
+	ld	[%sp + 68], %f16
+	fcmps	%fcc3, %f14, %f16
+	fmovsuge %fcc3, ZERO, %f16
+	fands	%f0, SIGN_BIT, SIGN_BIT
+	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
+	fadds	%f0, %f16, %f1
+	siam	(1 << 2) | 0
+	fsubs	%f1, %f16, %f1
+	siam	(0 << 2)
+	retl
+	 fors	%f1, SIGN_BIT, %f0
+END (__floorf_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,27 +19,21 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
-#define ONE_DOT_ZERO	0x3f800000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
@@ -47,28 +41,19 @@
 ENTRY (__floorf_vis3)
 	movwtos	%o0, %f0
 	sethi	%hi(TWO_TWENTYTHREE), %o2
-	sethi	%hi(ONE_DOT_ZERO), %o3
 	fzeros	ZERO
-
 	fnegs	ZERO, SIGN_BIT
-
 	movwtos	%o2, %f16
 	fabss	%f0, %f14
-
 	fcmps	%fcc3, %f14, %f16
-
 	fmovsuge %fcc3, ZERO, %f16
 	fands	%f0, SIGN_BIT, SIGN_BIT
-
 	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
 	fadds	%f0, %f16, %f1
+	siam	(1 << 2) | 0
 	fsubs	%f1, %f16, %f1
-	fcmps	%fcc2, %f1, %f0
-	movwtos	%o3, %f9
-
-	fmovsule %fcc2, ZERO, %f9
-	fsubs	%f1, %f9, %f0
-	fabss	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 fors	%f0, SIGN_BIT, %f0
+	 fors	%f1, SIGN_BIT, %f0
 END (__floorf_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_floorf.S Wed Jan 16 00:02:10 2013
@@ -1,6 +1,6 @@
 #include <sparc-ifunc.h>
 
-SPARC_ASM_VIS3_IFUNC(floorf)
+SPARC_ASM_VIS3_VIS2_IFUNC(floorf)
 
 weak_alias (__floorf, floorf)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,40 @@
+/* Compute positive difference, sparc 32-bit+v9.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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 <math_ldbl_opt.h>
+
+ENTRY(__fdim)
+	std	%o0, [%sp + 72]
+	std	%o2, [%sp + 80]
+	ldd	[%sp + 72], %f0
+	ldd	[%sp + 80], %f2
+	fcmpd	%f0, %f2
+	fbug	1f
+	 nop
+	fzero	%f0
+	fnegd	%f0, %f2
+1:	retl
+	 fsubd	%f0, %f2, %f0
+END(__fdim)
+weak_alias (__fdim, fdim)
+
+#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
+compat_symbol (libm, __fdim, fdiml, GLIBC_2_1);
+#endif

Added: fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,35 @@
+/* Compute positive difference, sparc 32-bit+v9.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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>
+
+ENTRY(__fdimf)
+	st	%o0, [%sp + 72]
+	st	%o1, [%sp + 76]
+	ld	[%sp + 72], %f0
+	ld	[%sp + 76], %f1
+	fcmps	%f0, %f1
+	fbug	1f
+	 nop
+	fzeros	%f0
+	fnegs	%f0, %f1
+1:	retl
+	 fsubs	%f0, %f1, %f0
+END(__fdimf)
+weak_alias (__fdimf, fdimf)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/Makefile
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/Makefile (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/Makefile Wed Jan 16 00:02:10 2013
@@ -1,4 +1,6 @@
 ifeq ($(subdir),math)
+libm-sysdep_routines += s_ceil-vis2 s_ceilf-vis2 \
+			s_floor-vis2 s_floorf-vis2
 ifeq ($(have-as-vis3),yes)
 libm-sysdep_routines += m_signbitf-vis3 m_signbit-vis3 s_ceilf-vis3 \
 			s_ceil-vis3 m_finitef-vis3 m_finite-vis3 \

Added: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,57 @@
+/* ceil function, sparc64 vis2 version.
+   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2012.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_FIFTYTWO	0x43300000		/* 2**52 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__ceil_vis2)
+	sethi	%hi(TWO_FIFTYTWO), %o2
+	fzero	ZERO
+	sllx	%o2, 32, %o2
+	fnegd	ZERO, SIGN_BIT
+	stx	%o2, [%sp + STACK_BIAS + 128]
+	fabsd	%f0, %f14
+	ldd	[%sp + STACK_BIAS + 128], %f16
+	fcmpd	%fcc3, %f14, %f16
+	fmovduge %fcc3, ZERO, %f16
+	fand	%f0, SIGN_BIT, SIGN_BIT
+	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
+	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
+	fsubd	%f18, %f16, %f18
+	siam	(0 << 2)
+	retl
+	 for	%f18, SIGN_BIT, %f0
+END (__ceil_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,57 +19,41 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_FIFTYTWO	0x43300000		/* 2**52 */
-#define ONE_DOT_ZERO	0x3ff00000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
 
 ENTRY (__ceil_vis3)
 	sethi	%hi(TWO_FIFTYTWO), %o2
-	sethi	%hi(ONE_DOT_ZERO), %o3
 	fzero	ZERO
-
 	sllx	%o2, 32, %o2
 	fnegd	ZERO, SIGN_BIT
-
-	sllx	%o3, 32, %o3
 	movxtod	%o2, %f16
 	fabsd	%f0, %f14
-
 	fcmpd	%fcc3, %f14, %f16
-
 	fmovduge %fcc3, ZERO, %f16
 	fand	%f0, SIGN_BIT, SIGN_BIT
-
 	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
 	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
 	fsubd	%f18, %f16, %f18
-	fcmpd	%fcc2, %f18, %f0
-	movxtod	%o3, %f20
-
-	fmovduge %fcc2, ZERO, %f20
-	faddd	%f18, %f20, %f0
-	fabsd	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 for	%f0, SIGN_BIT, %f0
+	 for	%f18, SIGN_BIT, %f0
 END (__ceil_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.S Wed Jan 16 00:02:10 2013
@@ -1,6 +1,6 @@
 #include <sparc-ifunc.h>
 
-SPARC_ASM_VIS3_IFUNC(ceil)
+SPARC_ASM_VIS3_VIS2_IFUNC(ceil)
 
 weak_alias (__ceil, ceil)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,56 @@
+/* Float ceil function, sparc64 vis2 version.
+   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2012.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__ceilf_vis2)
+	sethi	%hi(TWO_TWENTYTHREE), %o2
+	fzeros	ZERO
+	fnegs	ZERO, SIGN_BIT
+	st	%o2, [%sp + STACK_BIAS + 128]
+	fabss	%f1, %f14
+	ld	[%sp + STACK_BIAS + 128], %f16
+	fcmps	%fcc3, %f14, %f16
+	fmovsuge %fcc3, ZERO, %f16
+	fands	%f1, SIGN_BIT, SIGN_BIT
+	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
+	fadds	%f1, %f16, %f5
+	siam	(1 << 2) | 0
+	fsubs	%f5, %f16, %f5
+	siam	(0 << 2)
+	retl
+	 fors	%f5, SIGN_BIT, %f0
+END (__ceilf_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,55 +19,40 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
-#define ONE_DOT_ZERO	0x3f800000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
 
 ENTRY (__ceilf_vis3)
 	sethi	%hi(TWO_TWENTYTHREE), %o2
-	sethi	%hi(ONE_DOT_ZERO), %o3
 	fzeros	ZERO
-
 	fnegs	ZERO, SIGN_BIT
-
 	movwtos	%o2, %f16
 	fabss	%f1, %f14
-
 	fcmps	%fcc3, %f14, %f16
-
 	fmovsuge %fcc3, ZERO, %f16
 	fands	%f1, SIGN_BIT, SIGN_BIT
-
 	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 2
 	fadds	%f1, %f16, %f5
+	siam	(1 << 2) | 0
 	fsubs	%f5, %f16, %f5
-	fcmps	%fcc2, %f5, %f1
-	movwtos	%o3, %f9
-
-	fmovsuge %fcc2, ZERO, %f9
-	fadds	%f5, %f9, %f0
-	fabss	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 fors	%f0, SIGN_BIT, %f0
+	 fors	%f5, SIGN_BIT, %f0
 END (__ceilf_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.S Wed Jan 16 00:02:10 2013
@@ -1,6 +1,6 @@
 #include <sparc-ifunc.h>
 
-SPARC_ASM_VIS3_IFUNC(ceilf)
+SPARC_ASM_VIS3_VIS2_IFUNC(ceilf)
 
 weak_alias (__ceilf, ceilf)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,57 @@
+/* floor function, sparc64 vis2 version.
+   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2012.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_FIFTYTWO	0x43300000		/* 2**52 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__floor_vis2)
+	sethi	%hi(TWO_FIFTYTWO), %o2
+	fzero	ZERO
+	sllx	%o2, 32, %o2
+	fnegd	ZERO, SIGN_BIT
+	stx	%o2, [%sp + STACK_BIAS + 128]
+	fabsd	%f0, %f14
+	ldd	[%sp + STACK_BIAS + 128], %f16
+	fcmpd	%fcc3, %f14, %f16
+	fmovduge %fcc3, ZERO, %f16
+	fand	%f0, SIGN_BIT, SIGN_BIT
+	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
+	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
+	fsubd	%f18, %f16, %f18
+	siam	(0 << 2)
+	retl
+	 for	%f18, SIGN_BIT, %f0
+END (__floor_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,57 +19,41 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_FIFTYTWO	0x43300000		/* 2**52 */
-#define ONE_DOT_ZERO	0x3ff00000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
 
 ENTRY (__floor_vis3)
 	sethi	%hi(TWO_FIFTYTWO), %o2
-	sethi	%hi(ONE_DOT_ZERO), %o3
 	fzero	ZERO
-
 	sllx	%o2, 32, %o2
 	fnegd	ZERO, SIGN_BIT
-
-	sllx	%o3, 32, %o3
 	movxtod	%o2, %f16
 	fabsd	%f0, %f14
-
 	fcmpd	%fcc3, %f14, %f16
-
 	fmovduge %fcc3, ZERO, %f16
 	fand	%f0, SIGN_BIT, SIGN_BIT
-
 	for	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
 	faddd	%f0, %f16, %f18
+	siam	(1 << 2) | 0
 	fsubd	%f18, %f16, %f18
-	fcmpd	%fcc2, %f18, %f0
-	movxtod	%o3, %f20
-
-	fmovdule %fcc2, ZERO, %f20
-	fsubd	%f18, %f20, %f0
-	fabsd	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 for	%f0, SIGN_BIT, %f0
+	 for	%f18, SIGN_BIT, %f0
 END (__floor_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floor.S Wed Jan 16 00:02:10 2013
@@ -1,6 +1,6 @@
 #include <sparc-ifunc.h>
 
-SPARC_ASM_VIS3_IFUNC(floor)
+SPARC_ASM_VIS3_VIS2_IFUNC(floor)
 
 weak_alias (__floor, floor)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis2.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis2.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis2.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,56 @@
+/* Float floor function, sparc64 vis2 version.
+   Copyright (C) 2012-2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>, 2012.
+
+   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>
+
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
+
+	   We add then subtract (or subtract than add if the initial
+	   value was negative) 2**23 to the value, then subtract it
+	   back out.
+
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.  */
+
+#define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
+
+#define ZERO		%f10			/* 0.0 */
+#define SIGN_BIT	%f12			/* -0.0 */
+
+ENTRY (__floorf_vis2)
+	sethi	%hi(TWO_TWENTYTHREE), %o2
+	fzeros	ZERO
+	fnegs	ZERO, SIGN_BIT
+	st	%o2, [%sp + STACK_BIAS + 128]
+	fabss	%f1, %f14
+	ld	[%sp + STACK_BIAS + 128], %f16
+	fcmps	%fcc3, %f14, %f16
+	fmovsuge %fcc3, ZERO, %f16
+	fands	%f1, SIGN_BIT, SIGN_BIT
+	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
+	fadds	%f1, %f16, %f5
+	siam	(1 << 2) | 0
+	fsubs	%f5, %f16, %f5
+	siam	(0 << 2)
+	retl
+	 fors	%f5, SIGN_BIT, %f0
+END (__floorf_vis2)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-vis3.S Wed Jan 16 00:02:10 2013
@@ -19,55 +19,40 @@
 
 #include <sysdep.h>
 
-	/* Since changing the rounding mode is extremely expensive, we
-	   try to round up using a method that is rounding mode
-	   agnostic.
+	/* 'siam' (Set Interval Arithmetic Mode) is used to quickly override
+	   the rounding mode during this routine.
 
 	   We add then subtract (or subtract than add if the initial
 	   value was negative) 2**23 to the value, then subtract it
 	   back out.
 
-	   This will clear out the fractional portion of the value.
-	   One of two things will happen for non-whole initial values.
-	   Either the rounding mode will round it up, or it will be
-	   rounded down.  If the value started out whole, it will be
-	   equal after the addition and subtraction.  This means we
-	   can accurately detect with one test whether we need to add
-	   another 1.0 to round it up properly.
+	   This will clear out the fractional portion of the value and,
+	   with suitable 'siam' initiated rouding mode settings, round
+	   the final result in the proper direction.
 
-	   VIS instructions are used to facilitate the formation of
-	   easier constants, and the propagation of the sign bit.  */
+	   We also use VIS3 moves to avoid using the stack to transfer
+	   values between float and integer registers.  */
 
 #define TWO_TWENTYTHREE	0x4b000000		/* 2**23 */
-#define ONE_DOT_ZERO	0x3f800000		/* 1.0 */
 
 #define ZERO		%f10			/* 0.0 */
 #define SIGN_BIT	%f12			/* -0.0 */
 
 ENTRY (__floorf_vis3)
 	sethi	%hi(TWO_TWENTYTHREE), %o2
-	sethi	%hi(ONE_DOT_ZERO), %o3
 	fzeros	ZERO
-
 	fnegs	ZERO, SIGN_BIT
-
-	movwtos %o2, %f16
+	movwtos	%o2, %f16
 	fabss	%f1, %f14
-
 	fcmps	%fcc3, %f14, %f16
-
 	fmovsuge %fcc3, ZERO, %f16
 	fands	%f1, SIGN_BIT, SIGN_BIT
-
 	fors	%f16, SIGN_BIT, %f16
+	siam	(1 << 2) | 3
 	fadds	%f1, %f16, %f5
+	siam	(1 << 2) | 0
 	fsubs	%f5, %f16, %f5
-	fcmps	%fcc2, %f5, %f1
-	movwtos	%o3, %f9
-
-	fmovsule %fcc2, ZERO, %f9
-	fsubs	%f5, %f9, %f0
-	fabss	%f0, %f0
+	siam	(0 << 2)
 	retl
-	 fors	%f0, SIGN_BIT, %f0
+	 fors	%f5, SIGN_BIT, %f0
 END (__floorf_vis3)

Modified: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S (original)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.S Wed Jan 16 00:02:10 2013
@@ -1,6 +1,6 @@
 #include <sparc-ifunc.h>
 
-SPARC_ASM_VIS3_IFUNC(floorf)
+SPARC_ASM_VIS3_VIS2_IFUNC(floorf)
 
 weak_alias (__floorf, floorf)
 

Added: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdim.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdim.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdim.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,32 @@
+/* Compute positive difference, sparc 64-bit.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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 <math_ldbl_opt.h>
+
+ENTRY(__fdim)
+	fcmpd	%f0, %f2
+	fbug	1f
+	 nop
+	fzero	%f0
+	fnegd	%f0, %f2
+1:	retl
+	 fsubd	%f0, %f2, %f0
+END(__fdim)
+weak_alias (__fdim, fdim)

Added: fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdimf.S
==============================================================================
--- fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdimf.S (added)
+++ fsf/trunk/libc/sysdeps/sparc/sparc64/fpu/s_fdimf.S Wed Jan 16 00:02:10 2013
@@ -1,0 +1,31 @@
+/* Compute positive difference, sparc 64-bit.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@xxxxxxxxxxxxx>.
+
+   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>
+
+ENTRY(__fdimf)
+	fcmps	%f1, %f3
+	fbug	1f
+	 nop
+	fzeros	%f1
+	fnegs	%f1, %f3
+1:	retl
+	 fsubs	%f1, %f3, %f0
+END(__fdimf)
+weak_alias (__fdimf, fdimf)

Modified: fsf/trunk/libc/sysdeps/unix/sysv/linux/scsi/sg.h
==============================================================================
--- fsf/trunk/libc/sysdeps/unix/sysv/linux/scsi/sg.h (original)
+++ fsf/trunk/libc/sysdeps/unix/sysv/linux/scsi/sg.h Wed Jan 16 00:02:10 2013
@@ -26,6 +26,8 @@
 #define _SCSI_SG_H	1
 
 #include <features.h>
+#define __need_size_t
+#include <stddef.h>
 
 
 /* New interface introduced in the 3.x SG drivers follows */

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