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* sysdeps/sparc/sparc64/sparcv9v/memcpy.S: When not USE_BPR,

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make sure any registers used with 64-bit 'branch-on-register' 
instructions have their top 32-bits clear. 
* sysdeps/sparc/sparc64/sparcv9v/memset.S: Likewise. 
* sysdeps/sparc/sparc64/sparcv9v2/memcpy.S: Likewise.
2008-10-09  Jakub Jelinek <jakub@redhat.com>
	    David S. Miller  <davem@davemloft.net>

	* sysdeps/sparc/sparc64/sparcv9v/memcpy.S: When not USE_BPR,
	make sure any registers used with 64-bit 'branch-on-register'
	instructions have their top 32-bits clear.
	* sysdeps/sparc/sparc64/sparcv9v/memset.S: Likewise.
	* sysdeps/sparc/sparc64/sparcv9v2/memcpy.S: Likewise.
This commit is contained in:
Jakub Jelinek 2008-10-11 08:52:58 +00:00
parent 17f8b4a955
commit 19c10a478c
4 changed files with 23 additions and 4 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2008-10-09 Jakub Jelinek <jakub@redhat.com>
David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc64/sparcv9v/memcpy.S: When not USE_BPR,
make sure any registers used with 64-bit 'branch-on-register'
instructions have their top 32-bits clear.
* sysdeps/sparc/sparc64/sparcv9v/memset.S: Likewise.
* sysdeps/sparc/sparc64/sparcv9v2/memcpy.S: Likewise.
2008-09-18 Andreas Schwab <schwab@suse.de>
[BZ #6942]

5
sysdeps/sparc/sparc64/sparcv9v/memcpy.S
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@ -1,5 +1,5 @@
/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara.
Copyright (C) 2006 Free Software Foundation, Inc.
Copyright (C) 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@davemloft.net)
@ -61,6 +61,9 @@ END(bcopy)
.align 32
ENTRY(memcpy)
#ifndef USE_BPR
srl %o2, 0, %o2
#endif
100: /* %o0=dst, %o1=src, %o2=len */
mov %o0, %g5
cmp %o2, 0

8
sysdeps/sparc/sparc64/sparcv9v/memset.S
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@ -1,5 +1,5 @@
/* Set a block of memory to some byte value. For SUN4V Niagara.
Copyright (C) 2006 Free Software Foundation, Inc.
Copyright (C) 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@davemloft.net)
@ -49,7 +49,11 @@ END(memset)
ENTRY(__bzero)
clr %o2
1: brz,pn %o1, 90f
1:
#ifndef USE_BRP
srl %o1, 0, %o1
#endif
brz,pn %o1, 90f
mov %o0, %o3
wr %g0, ASI_P, %asi

5
sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
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@ -1,5 +1,5 @@
/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara-2.
Copyright (C) 2007 Free Software Foundation, Inc.
Copyright (C) 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@davemloft.net)
@ -163,6 +163,9 @@ END(bcopy)
.align 32
ENTRY(memcpy)
#ifndef USE_BPR
srl %o2, 0, %o2
#endif
100: /* %o0=dst, %o1=src, %o2=len */
mov %o0, %g5
cmp %o2, 0