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authorUlrich Drepper <drepper@redhat.com>2001-04-06 22:47:29 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-06 22:47:29 +0000
commitbb769ab68fd7abf1b3ab4e838e6f4b9ebfafd9c6 (patch)
treeabe5b2bcfde08e73e13cca5c5b37e2fa0eaff2e4 /sysdeps/sparc
parent1a51bde7717d8f0458b682576029576225cf874f (diff)
downloadglibc-bb769ab68fd7abf1b3ab4e838e6f4b9ebfafd9c6.tar.gz
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Update.
2001-04-06  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/generic/e_scalb.c: Don't use FE_INVALID unless it's
	available.
	* sysdeps/generic/e_scalbf.c: Likewise.
	* sysdeps/generic/e_scalbl.c: Likewise.
	Patch by Mark Hatle <fray@mvista.com>.

2001-04-05  David S. Miller  <davem@redhat.com>

	* sysdeps/sparc/abort-instr.h: New file.

2001-04-05  Matt Wilson  <msw@redhat.com>

	* sysdeps/unix/sysv/linux/alpha/getsysstats.c (GET_NPROCS_PARSER):
	added code to parse new 2.4 format.
	(GET_NPROCS_CONF_PARSER): Likewise.

2001-04-05  David S. Miller  <davem@redhat.com>

	* scripts/config.sub: Recognize sparcv9b like sparcv9.
	* configure.in: Add sparcv9b.
	* sysdeps/sparc/sparc32/sparcv9b/Implies: New file
	* sysdeps/sparc/sparc32/sparcv9b/memcpy.S: New file
	* sysdeps/sparc/sparc64/sparcv9b/memcpy.S: New file
Diffstat (limited to 'sysdeps/sparc')
-rw-r--r--sysdeps/sparc/abort-instr.h2
-rw-r--r--sysdeps/sparc/sparc32/sparcv9b/Implies1
-rw-r--r--sysdeps/sparc/sparc32/sparcv9b/memcpy.S4
-rw-r--r--sysdeps/sparc/sparc64/sparcv9b/memcpy.S713
4 files changed, 720 insertions, 0 deletions
diff --git a/sysdeps/sparc/abort-instr.h b/sysdeps/sparc/abort-instr.h
new file mode 100644
index 0000000000..ea92dfe866
--- /dev/null
+++ b/sysdeps/sparc/abort-instr.h
@@ -0,0 +1,2 @@
+/* An instruction which should crash any program is an unimp.  */
+#define ABORT_INSTRUCTION asm ("unimp 0xf00")
diff --git a/sysdeps/sparc/sparc32/sparcv9b/Implies b/sysdeps/sparc/sparc32/sparcv9b/Implies
new file mode 100644
index 0000000000..78a424460b
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9b/Implies
@@ -0,0 +1 @@
+sparc/sparc32/sparcv9
diff --git a/sysdeps/sparc/sparc32/sparcv9b/memcpy.S b/sysdeps/sparc/sparc32/sparcv9b/memcpy.S
new file mode 100644
index 0000000000..1404dead73
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9b/memcpy.S
@@ -0,0 +1,4 @@
+#define ASI_PNF     0x82
+#define ASI_BLK_P   0xf0
+#define XCC icc
+#include <sparc64/sparcv9b/memcpy.S>
diff --git a/sysdeps/sparc/sparc64/sparcv9b/memcpy.S b/sysdeps/sparc/sparc64/sparcv9b/memcpy.S
new file mode 100644
index 0000000000..de747680c1
--- /dev/null
+++ b/sysdeps/sparc/sparc64/sparcv9b/memcpy.S
@@ -0,0 +1,713 @@
+/* Copy SIZE bytes from SRC to DEST.
+   For UltraSPARC-III.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller (davem@redhat.com)
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <sysdep.h>
+#define ASI_BLK_P 0xf0
+#define FPRS_FEF  0x04
+#define VISEntryHalf rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs
+#define VISExitHalf and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
+#define SMALL_COPY_USES_FPU
+
+#ifndef XCC
+#define USE_BPR
+#define XCC xcc
+#endif
+
+	.text
+	.align	32
+
+ENTRY(bcopy)
+	sub		%o1, %o0, %o4			/* IEU0		Group		*/
+	mov		%o0, %g3			/* IEU1				*/
+	cmp		%o4, %o2			/* IEU1		Group		*/
+	mov		%o1, %o0			/* IEU0				*/
+	bgeu,pt		%XCC, 100f			/* CTI				*/
+	 mov		%g3, %o1			/* IEU0		Group		*/
+#ifndef USE_BPR
+	srl		%o2, 0, %o2			/* IEU1				*/
+#endif
+	brnz,pn		%o2, 220f			/* CTI		Group		*/
+	 add		%o0, %o2, %o0			/* IEU0				*/
+	retl
+	 nop
+END(bcopy)
+
+	/* Special/non-trivial issues of this code:
+	 *
+	 * 1) %o5 is preserved from VISEntryHalf to VISExitHalf
+	 * 2) Only low 32 FPU registers are used so that only the
+	 *    lower half of the FPU register set is dirtied by this
+	 *    code.  This is especially important in the kernel.
+	 * 3) This code never prefetches cachelines past the end
+	 *    of the source buffer.
+	 *
+	 * The cheetah's flexible spine, oversized liver, enlarged heart,
+	 * slender muscular body, and claws make it the swiftest hunter
+	 * in Africa and the fastest animal on land.  Can reach speeds
+	 * of up to 2.4GB per second.
+	 */
+	.align		32
+ENTRY(memcpy)
+
+100: /* %o0=dst, %o1=src, %o2=len */
+#ifndef __KERNEL__
+	/* Save away original 'dst' for memcpy return value. */
+	mov		%o0, %g3			! A0	Group
+#endif
+	/* Anything to copy at all? */
+	cmp		%o2, 0				! A1
+	ble,pn		%XCC, 102f			! BR
+
+	/* Extremely small copy? */
+218:	 cmp		%o2, 31				! A0	Group
+	ble,pn		%XCC, 101f			! BR
+
+	/* Large enough to use unrolled prefetch loops? */
+	 cmp		%o2, 0x100			! A1
+	bge,a,pt	%XCC, 103f			! BR	Group
+	 andcc		%o0, 0x3f, %g2			! A0
+
+	ba,pt		%XCC, 108f			! BR	Group
+	 andcc		%o0, 0x7, %g2			! A0
+
+	.align		32
+101:
+	/* Copy %o2 bytes from src to dst, one byte at a time. */
+	ldub		[%o1 + 0x00], %o3		! MS	Group
+	add		%o1, 0x1, %o1			! A0
+	add		%o0, 0x1, %o0			! A1
+	subcc		%o2, 1, %o2			! A0	Group
+
+	bg,pt		%XCC, 101b			! BR
+	 stb		%o3, [%o0 + -1]			! MS	Group (1-cycle stall)
+
+102:
+#ifdef __KERNEL__
+	retl						! BR	Group (0-4 cycle stall)
+	 clr		%o0				! A0
+#else
+	retl						! BR	Group (0-4 cycle stall)
+	 mov		%g3, %o0			! A0
+#endif
+
+	/* Here len >= (6 * 64) and condition codes reflect execution
+	 * of "andcc %o0, 0x7, %g2", done by caller.
+	 */
+	.align		64
+103:
+	/* Is 'dst' already aligned on an 64-byte boundary? */
+	be,pt		%XCC, 2f			! BR
+
+	/* Compute abs((dst & 0x3f) - 0x40) into %g2.  This is the number
+	 * of bytes to copy to make 'dst' 64-byte aligned.  We pre-
+	 * subtract this from 'len'.
+	 */
+	 sub		%g2, 0x40, %g2			! A0	Group
+	sub		%g0, %g2, %g2			! A0	Group
+	sub		%o2, %g2, %o2			! A0	Group
+
+	/* Copy %g2 bytes from src to dst, one byte at a time. */
+1:	ldub		[%o1 + 0x00], %o3		! MS	(Group)
+	add		%o1, 0x1, %o1			! A1
+	add		%o0, 0x1, %o0			! A0	Group
+	subcc		%g2, 0x1, %g2			! A1
+
+	bg,pt		%XCC, 1b			! BR	Group
+	 stb		%o3, [%o0 + -1]			! MS	Group
+
+2:	VISEntryHalf					! MS+MS
+	and		%o1, 0x7, %g1			! A1
+	ba,pt		%XCC, 104f			! BR
+	 alignaddr	%o1, %g0, %o1			! MS	      (Break-after)
+
+	.align		64
+104:
+	prefetch	[%o1 + 0x000], #one_read	! MS	Group1
+	prefetch	[%o1 + 0x040], #one_read	! MS	Group2
+	andn		%o2, (0x40 - 1), %o4		! A0
+	prefetch	[%o1 + 0x080], #one_read	! MS	Group3
+	cmp		%o4, 0x140			! A0
+	prefetch	[%o1 + 0x0c0], #one_read	! MS	Group4
+	ldd		[%o1 + 0x000], %f0		! MS	Group5 (%f0 results at G8)
+	bge,a,pt	%XCC, 1f			! BR
+
+	 prefetch	[%o1 + 0x100], #one_read	! MS	Group6
+1:	ldd		[%o1 + 0x008], %f2		! AX	       (%f2 results at G9)
+	cmp		%o4, 0x180			! A1
+	bge,a,pt	%XCC, 1f			! BR
+	 prefetch	[%o1 + 0x140], #one_read	! MS	Group7
+1:	ldd		[%o1 + 0x010], %f4		! AX	       (%f4 results at G10)
+	cmp		%o4, 0x1c0			! A1
+	bge,a,pt	%XCC, 1f			! BR
+
+	 prefetch	[%o1 + 0x180], #one_read	! MS	Group8
+1:	faligndata	%f0, %f2, %f16			! FGA	Group9 (%f16 at G12)
+	ldd		[%o1 + 0x018], %f6		! AX	       (%f6 results at G12)
+	faligndata	%f2, %f4, %f18			! FGA	Group10 (%f18 results at G13)
+	ldd		[%o1 + 0x020], %f8		! MS	        (%f8 results at G13)
+	faligndata	%f4, %f6, %f20			! FGA	Group12	(1-cycle stall,%f20 at G15)
+	ldd		[%o1 + 0x028], %f10		! MS		(%f10 results at G15)
+	faligndata	%f6, %f8, %f22			! FGA	Group13 (%f22 results at G16)
+
+	ldd		[%o1 + 0x030], %f12		! MS		(%f12 results at G16)
+	faligndata	%f8, %f10, %f24			! FGA	Group15 (1-cycle stall,%f24 at G18)
+	ldd		[%o1 + 0x038], %f14		! MS		(%f14 results at G18)
+	faligndata	%f10, %f12, %f26		! FGA	Group16 (%f26 results at G19)
+	ldd		[%o1 + 0x040], %f0		! MS		(%f0 results at G19)
+
+	/* We only use the first loop if len > (7 * 64). */
+	subcc		%o4, 0x1c0, %o4			! A0	Group17
+	bg,pt		%XCC, 105f			! BR
+	 add		%o1, 0x40, %o1			! A1
+
+	add		%o4, 0x140, %o4			! A0	Group18
+	ba,pt		%XCC, 106f			! BR
+	 srl		%o4, 6, %o3			! A0	Group19
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	nop
+	nop
+
+	/* This loop performs the copy and queues new prefetches.
+	 * We drop into the second loop when len <= (5 * 64).  Note
+	 * that this (5 * 64) factor has been subtracted from len
+	 * already.
+	 */
+105:
+	ldd		[%o1 + 0x008], %f2		! MS	Group2	(%f2 results at G5)
+	faligndata	%f12, %f14, %f28		! FGA		(%f28 results at G5)
+	ldd		[%o1 + 0x010], %f4		! MS	Group3	(%f4 results at G6)
+	faligndata	%f14, %f0, %f30			! FGA	Group4	(1-cycle stall, %f30 at G7)
+	stda		%f16, [%o0] ASI_BLK_P		! MS
+	ldd		[%o1 + 0x018], %f6		! AX		(%f6 results at G7)
+
+	faligndata	%f0, %f2, %f16			! FGA	Group12 (7-cycle stall)
+	ldd		[%o1 + 0x020], %f8		! MS	        (%f8 results at G15)
+	faligndata	%f2, %f4, %f18			! FGA	Group13	(%f18 results at G16)
+	ldd		[%o1 + 0x028], %f10		! MS		(%f10 results at G16)
+	faligndata	%f4, %f6, %f20			! FGA	Group14	(%f20 results at G17)
+	ldd		[%o1 + 0x030], %f12		! MS		(%f12 results at G17)
+	faligndata	%f6, %f8, %f22			! FGA	Group15	(%f22 results at G18)
+	ldd		[%o1 + 0x038], %f14		! MS		(%f14 results at G18)
+
+	faligndata	%f8, %f10, %f24			! FGA	Group16	(%f24 results at G19)
+	ldd		[%o1 + 0x040], %f0		! AX		(%f0 results at G19)
+	prefetch	[%o1 + 0x180], #one_read	! MS
+	faligndata	%f10, %f12, %f26		! FGA	Group17	(%f26 results at G20)
+	subcc		%o4, 0x40, %o4			! A0
+	add		%o1, 0x40, %o1			! A1
+	bg,pt		%XCC, 105b			! BR
+	 add		%o0, 0x40, %o0			! A0	Group18
+
+	mov		5, %o3				! A1
+
+	/* This loop performs on the copy, no new prefetches are
+	 * queued.  We do things this way so that we do not perform
+	 * any spurious prefetches past the end of the src buffer.
+	 */
+106:
+	ldd		[%o1 + 0x008], %f2		! MS
+	faligndata	%f12, %f14, %f28		! FGA	Group2
+	ldd		[%o1 + 0x010], %f4		! MS
+	faligndata	%f14, %f0, %f30			! FGA	Group4	(1-cycle stall)
+	stda		%f16, [%o0] ASI_BLK_P		! MS
+	ldd		[%o1 + 0x018], %f6		! AX
+	faligndata	%f0, %f2, %f16			! FGA	Group12 (7-cycle stall)
+
+	ldd		[%o1 + 0x020], %f8		! MS
+	faligndata	%f2, %f4, %f18			! FGA	Group13
+	ldd		[%o1 + 0x028], %f10		! MS
+	faligndata	%f4, %f6, %f20			! FGA	Group14
+	ldd		[%o1 + 0x030], %f12		! MS
+	faligndata	%f6, %f8, %f22			! FGA	Group15
+	ldd		[%o1 + 0x038], %f14		! MS
+	faligndata	%f8, %f10, %f24			! FGA	Group16
+
+	ldd		[%o1 + 0x040], %f0		! AX
+	faligndata	%f10, %f12, %f26		! FGA	Group17
+	subcc		%o3, 0x01, %o3			! A0
+	add		%o1, 0x40, %o1			! A1
+	bg,pt		%XCC, 106b			! BR
+	 add		%o0, 0x40, %o0			! A0	Group18
+
+	/* Finally we copy the last full 64-byte block. */
+	ldd		[%o1 + 0x008], %f2		! MS
+	faligndata	%f12, %f14, %f28		! FGA
+	ldd		[%o1 + 0x010], %f4		! MS	Group19
+	faligndata	%f14, %f0, %f30			! FGA
+	stda		%f16, [%o0] ASI_BLK_P		! MS	Group20
+	ldd		[%o1 + 0x018], %f6		! AX
+	faligndata	%f0, %f2, %f16			! FGA	Group11 (7-cycle stall)
+	ldd		[%o1 + 0x020], %f8		! MS
+	faligndata	%f2, %f4, %f18			! FGA	Group12
+	ldd		[%o1 + 0x028], %f10		! MS
+	faligndata	%f4, %f6, %f20			! FGA	Group13
+	ldd		[%o1 + 0x030], %f12		! MS
+	faligndata	%f6, %f8, %f22			! FGA	Group14
+	ldd		[%o1 + 0x038], %f14		! MS
+	faligndata	%f8, %f10, %f24			! FGA	Group15
+	cmp		%g1, 0				! A0
+	be,pt		%XCC, 1f			! BR
+	 add		%o0, 0x40, %o0			! A1
+	ldd		[%o1 + 0x040], %f0		! MS
+1:	faligndata	%f10, %f12, %f26		! FGA	Group16
+	faligndata	%f12, %f14, %f28		! FGA	Group17
+	faligndata	%f14, %f0, %f30			! FGA	Group18
+	stda		%f16, [%o0] ASI_BLK_P		! MS
+	add		%o0, 0x40, %o0			! A0
+	add		%o1, 0x40, %o1			! A1
+	membar		#Sync				! MS	Group26 (7-cycle stall)
+
+	/* Now we copy the (len modulo 64) bytes at the end.
+	 * Note how we borrow the %f0 loaded above.
+	 *
+	 * Also notice how this code is careful not to perform a
+	 * load past the end of the src buffer just like similar
+	 * code found in 'toosmall' processing.
+	 */
+	and		%o2, 0x3f, %o2			! A0	Group
+	andcc		%o2, 0x38, %g2			! A0	Group
+	be,pn		%XCC, 107f			! BR
+	 subcc		%g2, 0x8, %g2			! A1
+	be,pn		%XCC, 107f			! BR	Group
+	 cmp		%g1, 0				! A0
+
+	be,a,pt		%XCC, 1f			! BR	Group
+	 ldd		[%o1 + 0x00], %f0		! MS
+
+1:	ldd		[%o1 + 0x08], %f2		! MS	Group
+	add		%o1, 0x8, %o1			! A0
+	sub		%o2, 0x8, %o2			! A1
+	subcc		%g2, 0x8, %g2			! A0	Group
+	faligndata	%f0, %f2, %f8			! FGA	Group
+	std		%f8, [%o0 + 0x00]		! MS	(XXX does it stall here? XXX)
+	be,pn		%XCC, 107f			! BR
+	 add		%o0, 0x8, %o0			! A0
+	ldd		[%o1 + 0x08], %f0		! MS	Group
+	add		%o1, 0x8, %o1			! A0
+	sub		%o2, 0x8, %o2			! A1
+	subcc		%g2, 0x8, %g2			! A0	Group
+	faligndata	%f2, %f0, %f8			! FGA
+	std		%f8, [%o0 + 0x00]		! MS	(XXX does it stall here? XXX)
+	bne,pn		%XCC, 1b			! BR
+	 add		%o0, 0x8, %o0			! A0	Group
+
+	/* If anything is left, we copy it one byte at a time.
+	 * Note that %g1 is (src & 0x3) saved above before the
+	 * alignaddr was performed.
+	 */
+107:
+	cmp		%o2, 0
+	add		%o1, %g1, %o1
+	VISExitHalf
+	be,pn		%XCC, 102b
+	 nop
+	ba,a,pt		%XCC, 101b
+
+	/* If we get here, then 32 <= len < (6 * 64) */
+108:
+
+#ifdef SMALL_COPY_USES_FPU
+
+	/* Is 'dst' already aligned on an 8-byte boundary? */
+	be,pt		%XCC, 2f			! BR	Group
+
+	/* Compute abs((dst & 7) - 8) into %g2.  This is the number
+	 * of bytes to copy to make 'dst' 8-byte aligned.  We pre-
+	 * subtract this from 'len'.
+	 */
+	 sub		%g2, 0x8, %g2			! A0
+	sub		%g0, %g2, %g2			! A0	Group (reg-dep)
+	sub		%o2, %g2, %o2			! A0	Group (reg-dep)
+
+	/* Copy %g2 bytes from src to dst, one byte at a time. */
+1:	ldub		[%o1 + 0x00], %o3		! MS	(Group) (%o3 in 3 cycles)
+	add		%o1, 0x1, %o1			! A1
+	add		%o0, 0x1, %o0			! A0	Group
+	subcc		%g2, 0x1, %g2			! A1
+
+	bg,pt		%XCC, 1b			! BR	Group
+	 stb		%o3, [%o0 + -1]			! MS	Group
+
+2:	VISEntryHalf					! MS+MS
+
+	/* Compute (len - (len % 8)) into %g2.  This is guarenteed
+	 * to be nonzero.
+	 */
+	andn		%o2, 0x7, %g2			! A0	Group
+
+	/* You may read this and believe that it allows reading
+	 * one 8-byte longword past the end of src.  It actually
+	 * does not, as %g2 is subtracted as loads are done from
+	 * src, so we always stop before running off the end.
+	 * Also, we are guarenteed to have at least 0x10 bytes
+	 * to move here.
+	 */
+	sub		%g2, 0x8, %g2			! A0	Group (reg-dep)
+	alignaddr	%o1, %g0, %g1			! MS	      (Break-after)
+	ldd		[%g1 + 0x00], %f0		! MS	Group (1-cycle stall)
+	add		%g1, 0x8, %g1			! A0
+
+1:	ldd		[%g1 + 0x00], %f2		! MS	Group
+	add		%g1, 0x8, %g1			! A0
+	sub		%o2, 0x8, %o2			! A1
+	subcc		%g2, 0x8, %g2			! A0	Group
+
+	faligndata	%f0, %f2, %f8			! FGA	Group (1-cycle stall)
+	std		%f8, [%o0 + 0x00]		! MS	Group (2-cycle stall)
+	add		%o1, 0x8, %o1			! A0
+	be,pn		%XCC, 2f			! BR
+
+	 add		%o0, 0x8, %o0			! A1
+	ldd		[%g1 + 0x00], %f0		! MS	Group
+	add		%g1, 0x8, %g1			! A0
+	sub		%o2, 0x8, %o2			! A1
+
+	subcc		%g2, 0x8, %g2			! A0	Group
+	faligndata	%f2, %f0, %f8			! FGA	Group (1-cycle stall)
+	std		%f8, [%o0 + 0x00]		! MS	Group (2-cycle stall)
+	add		%o1, 0x8, %o1			! A0
+
+	bne,pn		%XCC, 1b			! BR
+	 add		%o0, 0x8, %o0			! A1
+
+	/* Nothing left to copy? */
+2:	cmp		%o2, 0				! A0	Group
+	VISExitHalf					! A0+MS
+	be,pn		%XCC, 102b			! BR	Group
+	 nop						! A0
+	ba,a,pt		%XCC, 101b			! BR	Group
+
+#else /* !(SMALL_COPY_USES_FPU) */
+
+	xor		%o1, %o0, %g2
+	andcc		%g2, 0x7, %g0
+	bne,pn		%XCC, 101b
+	 andcc		%o1, 0x7, %g2
+
+	be,pt		%XCC, 2f
+	 sub		%g2, 0x8, %g2
+	sub		%g0, %g2, %g2
+	sub		%o2, %g2, %o2
+
+1:	ldub		[%o1 + 0x00], %o3
+	add		%o1, 0x1, %o1
+	add		%o0, 0x1, %o0
+	subcc		%g2, 0x1, %g2
+	bg,pt		%XCC, 1b
+	 stb		%o3, [%o0 + -1]
+
+2:	andn		%o2, 0x7, %g2
+	sub		%o2, %g2, %o2
+
+3:	ldx		[%o1 + 0x00], %o3
+	add		%o1, 0x8, %o1
+	add		%o0, 0x8, %o0
+	subcc		%g2, 0x8, %g2
+	bg,pt		%XCC, 3b
+	 stx		%o3, [%o0 + -8]
+
+	cmp		%o2, 0
+	bne,pn		%XCC, 101b
+	 nop
+	ba,a,pt		%XCC, 102b
+
+#endif /* !(SMALL_COPY_USES_FPU) */
+END(memcpy)
+
+#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3)	\
+	ldx		[%src - offset - 0x20], %t0; 		\
+	ldx		[%src - offset - 0x18], %t1; 		\
+	ldx		[%src - offset - 0x10], %t2; 		\
+	ldx		[%src - offset - 0x08], %t3; 		\
+	stw		%t0, [%dst - offset - 0x1c]; 		\
+	srlx		%t0, 32, %t0;				\
+	stw		%t0, [%dst - offset - 0x20]; 		\
+	stw		%t1, [%dst - offset - 0x14]; 		\
+	srlx		%t1, 32, %t1;				\
+	stw		%t1, [%dst - offset - 0x18]; 		\
+	stw		%t2, [%dst - offset - 0x0c]; 		\
+	srlx		%t2, 32, %t2;				\
+	stw		%t2, [%dst - offset - 0x10]; 		\
+	stw		%t3, [%dst - offset - 0x04];		\
+	srlx		%t3, 32, %t3;				\
+	stw		%t3, [%dst - offset - 0x08];
+
+#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3)	\
+	ldx		[%src - offset - 0x20], %t0; 		\
+	ldx		[%src - offset - 0x18], %t1; 		\
+	ldx		[%src - offset - 0x10], %t2; 		\
+	ldx		[%src - offset - 0x08], %t3; 		\
+	stx		%t0, [%dst - offset - 0x20]; 		\
+	stx		%t1, [%dst - offset - 0x18]; 		\
+	stx		%t2, [%dst - offset - 0x10]; 		\
+	stx		%t3, [%dst - offset - 0x08];		\
+	ldx		[%src - offset - 0x40], %t0; 		\
+	ldx		[%src - offset - 0x38], %t1; 		\
+	ldx		[%src - offset - 0x30], %t2; 		\
+	ldx		[%src - offset - 0x28], %t3; 		\
+	stx		%t0, [%dst - offset - 0x40]; 		\
+	stx		%t1, [%dst - offset - 0x38]; 		\
+	stx		%t2, [%dst - offset - 0x30]; 		\
+	stx		%t3, [%dst - offset - 0x28];
+
+#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3)	\
+	ldx		[%src + offset + 0x00], %t0;		\
+	ldx		[%src + offset + 0x08], %t1; 		\
+	stw		%t0, [%dst + offset + 0x04]; 		\
+	srlx		%t0, 32, %t2;				\
+	stw		%t2, [%dst + offset + 0x00]; 		\
+	stw		%t1, [%dst + offset + 0x0c]; 		\
+	srlx		%t1, 32, %t3;				\
+	stw		%t3, [%dst + offset + 0x08];
+
+#define RMOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1)		\
+	ldx		[%src + offset + 0x00], %t0; 		\
+	ldx		[%src + offset + 0x08], %t1; 		\
+	stx		%t0, [%dst + offset + 0x00]; 		\
+	stx		%t1, [%dst + offset + 0x08];
+
+	.align		32
+228:	andcc		%o2, 1, %g0			/* IEU1		Group		*/
+	be,pt		%icc, 2f+4			/* CTI				*/
+1:	 ldub		[%o1 - 1], %o5			/* LOAD		Group		*/
+	sub		%o1, 1, %o1			/* IEU0				*/
+	sub		%o0, 1, %o0			/* IEU1				*/
+	subcc		%o2, 1, %o2			/* IEU1		Group		*/
+	be,pn		%xcc, 229f			/* CTI				*/
+	 stb		%o5, [%o0]			/* Store			*/
+2:	ldub		[%o1 - 1], %o5			/* LOAD		Group		*/
+	sub		%o0, 2, %o0			/* IEU0				*/
+	ldub		[%o1 - 2], %g5			/* LOAD		Group		*/
+	sub		%o1, 2, %o1			/* IEU0				*/
+	subcc		%o2, 2, %o2			/* IEU1		Group		*/
+	stb		%o5, [%o0 + 1]			/* Store			*/
+	bne,pt		%xcc, 2b			/* CTI				*/
+	 stb		%g5, [%o0]			/* Store			*/
+229:	retl
+	 mov		%g4, %o0
+
+	.align		32
+ENTRY(memmove)
+	mov		%o0, %g3
+#ifndef USE_BPR
+	srl		%o2, 0, %o2			/* IEU1		Group		*/
+#endif
+	brz,pn		%o2, 102b			/* CTI		Group		*/
+	 sub		%o0, %o1, %o4			/* IEU0				*/
+	cmp		%o4, %o2			/* IEU1		Group		*/
+	bgeu,pt		%XCC, 218b			/* CTI				*/
+	 mov		%o0, %g4			/* IEU0				*/
+	add		%o0, %o2, %o0			/* IEU0		Group		*/
+220:	add		%o1, %o2, %o1			/* IEU1				*/
+	cmp		%o2, 15				/* IEU1		Group		*/
+	bleu,pn		%xcc, 228b			/* CTI				*/
+	 andcc		%o0, 7, %g2			/* IEU1		Group		*/
+	sub		%o0, %o1, %g5			/* IEU0				*/
+	andcc		%g5, 3, %o5			/* IEU1		Group		*/
+	bne,pn		%xcc, 232f			/* CTI				*/
+	 andcc		%o1, 3, %g0			/* IEU1		Group		*/
+	be,a,pt		%xcc, 236f			/* CTI				*/
+	 andcc		%o1, 4, %g0			/* IEU1		Group		*/
+	andcc		%o1, 1, %g0			/* IEU1		Group		*/
+	be,pn		%xcc, 4f			/* CTI				*/
+	 andcc		%o1, 2, %g0			/* IEU1		Group		*/
+	ldub		[%o1 - 1], %g2			/* Load		Group		*/
+	sub		%o1, 1, %o1			/* IEU0				*/
+	sub		%o0, 1, %o0			/* IEU1				*/
+	sub		%o2, 1, %o2			/* IEU0		Group		*/
+	be,pn		%xcc, 5f			/* CTI		Group		*/
+	 stb		%g2, [%o0]			/* Store			*/
+4:	lduh		[%o1 - 2], %g2			/* Load		Group		*/
+	sub		%o1, 2, %o1			/* IEU0				*/
+	sub		%o0, 2, %o0			/* IEU1				*/
+	sub		%o2, 2, %o2			/* IEU0				*/
+	sth		%g2, [%o0]			/* Store	Group + bubble	*/
+5:	andcc		%o1, 4, %g0			/* IEU1				*/
+236:	be,a,pn		%xcc, 2f			/* CTI				*/
+	 andcc		%o2, -128, %g7			/* IEU1		Group		*/
+	lduw		[%o1 - 4], %g5			/* Load		Group		*/
+	sub		%o1, 4, %o1			/* IEU0				*/
+	sub		%o0, 4, %o0			/* IEU1				*/
+	sub		%o2, 4, %o2			/* IEU0		Group		*/
+	stw		%g5, [%o0]			/* Store			*/
+	andcc		%o2, -128, %g7			/* IEU1		Group		*/
+2:	be,pn		%xcc, 235f			/* CTI				*/
+	 andcc		%o0, 4, %g0			/* IEU1		Group		*/
+	be,pn		%xcc, 282f + 4			/* CTI		Group		*/
+5:	RMOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
+	RMOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5)
+	RMOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
+	RMOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5)
+	subcc		%g7, 128, %g7			/* IEU1		Group		*/
+	sub		%o1, 128, %o1			/* IEU0				*/
+	bne,pt		%xcc, 5b			/* CTI				*/
+	 sub		%o0, 128, %o0			/* IEU0		Group		*/
+235:	andcc		%o2, 0x70, %g7			/* IEU1		Group		*/
+41:	be,pn		%xcc, 280f			/* CTI				*/
+	 andcc		%o2, 8, %g0			/* IEU1		Group		*/
+							/* Clk1 8-(			*/
+							/* Clk2 8-(			*/
+							/* Clk3 8-(			*/
+							/* Clk4 8-(			*/
+279:	rd		%pc, %o5			/* PDU		Group		*/
+	sll		%g7, 1, %g5			/* IEU0		Group		*/
+	sub		%o1, %g7, %o1			/* IEU1				*/
+	sub		%o5, %g5, %o5			/* IEU0  	Group		*/
+	jmpl		%o5 + %lo(280f - 279b), %g0	/* CTI		Group brk forced*/
+	 sub		%o0, %g7, %o0			/* IEU0		Group		*/
+	RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5)
+	RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5)
+	RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5)
+	RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5)
+	RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5)
+	RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5)
+	RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5)
+280:	be,pt		%xcc, 281f			/* CTI				*/
+	 andcc		%o2, 4, %g0			/* IEU1				*/
+	ldx		[%o1 - 8], %g2			/* Load		Group		*/
+	sub		%o0, 8, %o0			/* IEU0				*/
+	stw		%g2, [%o0 + 4]			/* Store	Group		*/
+	sub		%o1, 8, %o1			/* IEU1				*/
+	srlx		%g2, 32, %g2			/* IEU0		Group		*/
+	stw		%g2, [%o0]			/* Store			*/
+281:	be,pt		%xcc, 1f			/* CTI				*/
+	 andcc		%o2, 2, %g0			/* IEU1		Group		*/
+	lduw		[%o1 - 4], %g2			/* Load		Group		*/
+	sub		%o1, 4, %o1			/* IEU0				*/
+	stw		%g2, [%o0 - 4]			/* Store	Group		*/
+	sub		%o0, 4, %o0			/* IEU0				*/
+1:	be,pt		%xcc, 1f			/* CTI				*/
+	 andcc		%o2, 1, %g0			/* IEU1		Group		*/
+	lduh		[%o1 - 2], %g2			/* Load		Group		*/
+	sub		%o1, 2, %o1			/* IEU0				*/
+	sth		%g2, [%o0 - 2]			/* Store	Group		*/
+	sub		%o0, 2, %o0			/* IEU0				*/
+1:	be,pt		%xcc, 211f			/* CTI				*/
+	 nop						/* IEU1				*/
+	ldub		[%o1 - 1], %g2			/* Load		Group		*/
+	stb		%g2, [%o0 - 1]			/* Store	Group + bubble	*/
+211:	retl
+	 mov		%g4, %o0
+
+282:	RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
+	RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
+	subcc		%g7, 128, %g7			/* IEU1		Group		*/
+	sub		%o1, 128, %o1			/* IEU0				*/
+	bne,pt		%xcc, 282b			/* CTI				*/
+	 sub		%o0, 128, %o0			/* IEU0		Group		*/
+	andcc		%o2, 0x70, %g7			/* IEU1				*/
+	be,pn		%xcc, 284f			/* CTI				*/
+	 andcc		%o2, 8, %g0			/* IEU1		Group		*/
+							/* Clk1 8-(			*/
+							/* Clk2 8-(			*/
+							/* Clk3 8-(			*/
+							/* Clk4 8-(			*/
+283:	rd		%pc, %o5			/* PDU		Group		*/
+	sub		%o1, %g7, %o1			/* IEU0		Group		*/
+	sub		%o5, %g7, %o5			/* IEU1				*/
+	jmpl		%o5 + %lo(284f - 283b), %g0	/* CTI		Group brk forced*/
+	 sub		%o0, %g7, %o0			/* IEU0		Group		*/
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3)
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3)
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3)
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3)
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3)
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3)
+	RMOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3)
+284:	be,pt		%xcc, 285f			/* CTI		Group		*/
+	 andcc		%o2, 4, %g0			/* IEU1				*/
+	ldx		[%o1 - 8], %g2			/* Load		Group		*/
+	sub		%o0, 8, %o0			/* IEU0				*/
+	sub		%o1, 8, %o1			/* IEU0		Group		*/
+	stx		%g2, [%o0]			/* Store			*/
+285:	be,pt		%xcc, 1f			/* CTI				*/
+	 andcc		%o2, 2, %g0			/* IEU1		Group		*/
+	lduw		[%o1 - 4], %g2			/* Load		Group		*/
+	sub		%o0, 4, %o0			/* IEU0				*/
+	sub		%o1, 4, %o1			/* IEU0		Group		*/
+	stw		%g2, [%o0]			/* Store			*/
+1:	be,pt		%xcc, 1f			/* CTI				*/
+	 andcc		%o2, 1, %g0			/* IEU1		Group		*/
+	lduh		[%o1 - 2], %g2			/* Load		Group		*/
+	sub		%o0, 2, %o0			/* IEU0				*/
+	sub		%o1, 2, %o1			/* IEU0		Group		*/
+	sth		%g2, [%o0]			/* Store			*/
+1:	be,pt		%xcc, 1f			/* CTI				*/
+	 nop						/* IEU0		Group		*/
+	ldub		[%o1 - 1], %g2			/* Load		Group		*/
+	stb		%g2, [%o0 - 1]			/* Store	Group + bubble	*/
+1:	retl
+	 mov		%g4, %o0
+
+232:	brz,pt		%g2, 2f				/* CTI		Group		*/
+	 sub		%o2, %g2, %o2			/* IEU0		Group		*/
+1:	ldub		[%o1 - 1], %g5			/* Load		Group		*/
+	sub		%o1, 1, %o1			/* IEU0				*/
+	sub		%o0, 1, %o0			/* IEU1				*/
+	subcc		%g2, 1, %g2			/* IEU1		Group		*/
+	bne,pt		%xcc, 1b			/* CTI				*/
+	 stb		%g5, [%o0]			/* Store			*/
+2:	andn		%o2, 7, %g5 			/* IEU0		Group		*/
+	and		%o2, 7, %o2			/* IEU1				*/
+	fmovd		%f0, %f2			/* FPU				*/
+	alignaddr	%o1, %g0, %g1			/* GRU		Group		*/
+	ldd		[%g1], %f4			/* Load		Group		*/
+1:	ldd		[%g1 - 8], %f6			/* Load		Group		*/
+	sub		%g1, 8, %g1			/* IEU0		Group		*/
+	subcc		%g5, 8, %g5			/* IEU1				*/
+	faligndata	%f6, %f4, %f0			/* GRU		Group		*/
+	std		%f0, [%o0 - 8]			/* Store			*/
+	sub		%o1, 8, %o1			/* IEU0		Group		*/
+	be,pn		%xcc, 233f			/* CTI				*/
+	 sub		%o0, 8, %o0			/* IEU1				*/
+	ldd		[%g1 - 8], %f4			/* Load		Group		*/
+	sub		%g1, 8, %g1			/* IEU0				*/
+	subcc		%g5, 8, %g5			/* IEU1				*/
+	faligndata	%f4, %f6, %f0			/* GRU		Group		*/
+	std		%f0, [%o0 - 8]			/* Store			*/
+	sub		%o1, 8, %o1			/* IEU0				*/
+	bne,pn		%xcc, 1b			/* CTI		Group		*/
+	 sub		%o0, 8, %o0			/* IEU0				*/
+233:	brz,pn		%o2, 234f			/* CTI		Group		*/
+	 nop						/* IEU0				*/
+237:	ldub		[%o1 - 1], %g5			/* LOAD				*/
+	sub		%o1, 1, %o1			/* IEU0				*/
+	sub		%o0, 1, %o0			/* IEU1				*/
+	subcc		%o2, 1, %o2			/* IEU1				*/
+	bne,pt		%xcc, 237b			/* CTI				*/
+	 stb		%g5, [%o0]			/* Store	Group		*/
+234:	wr		%g0, FPRS_FEF, %fprs
+	retl
+	 mov		%g4, %o0
+END(memmove)
+
+#ifdef USE_BPR
+weak_alias(memcpy, __align_cpy_1)
+weak_alias(memcpy, __align_cpy_2)
+weak_alias(memcpy, __align_cpy_4)
+weak_alias(memcpy, __align_cpy_8)
+weak_alias(memcpy, __align_cpy_16)
+#endif