76 lines
2.4 KiB
Diff
76 lines
2.4 KiB
Diff
2008-10-09 Jakub Jelinek <jakub@redhat.com>,
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David S. Miller <davem@davemloft.net>
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* sysdeps/sparc/sparc64/sparcv9v/memcpy.S,
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sysdeps/sparc/sparc64/sparcv9v/memset.S,
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sysdeps/sparc/sparc64/sparcv9v2/memcpy.S: When not USE_BPR,
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make sure any registers used with 64-bit 'branch-on-register'
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instructions have their top 32-bits clear.
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diff --git a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
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index 05c837f..ad2b0f7 100644
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--- a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
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+++ b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
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@@ -1,5 +1,5 @@
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/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara.
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- Copyright (C) 2006 Free Software Foundation, Inc.
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+ Copyright (C) 2006, 2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David S. Miller (davem@davemloft.net)
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@@ -61,6 +61,9 @@ END(bcopy)
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.align 32
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ENTRY(memcpy)
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+#ifndef USE_BPR
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+ srl %o2, 0, %o2
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+#endif
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100: /* %o0=dst, %o1=src, %o2=len */
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mov %o0, %g5
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cmp %o2, 0
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diff --git a/sysdeps/sparc/sparc64/sparcv9v/memset.S b/sysdeps/sparc/sparc64/sparcv9v/memset.S
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index ac0a50c..64817b8 100644
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--- a/sysdeps/sparc/sparc64/sparcv9v/memset.S
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+++ b/sysdeps/sparc/sparc64/sparcv9v/memset.S
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@@ -1,5 +1,5 @@
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/* Set a block of memory to some byte value. For SUN4V Niagara.
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- Copyright (C) 2006 Free Software Foundation, Inc.
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+ Copyright (C) 2006, 2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David S. Miller (davem@davemloft.net)
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@@ -49,7 +49,11 @@ END(memset)
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ENTRY(__bzero)
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clr %o2
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-1: brz,pn %o1, 90f
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+1:
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+#ifndef USE_BRP
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+ srl %o1, 0, %o1
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+#endif
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+ brz,pn %o1, 90f
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mov %o0, %o3
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wr %g0, ASI_P, %asi
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diff --git a/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
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index d94dd47..b261f46 100644
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--- a/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
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+++ b/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
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@@ -1,5 +1,5 @@
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/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara-2.
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- Copyright (C) 2007 Free Software Foundation, Inc.
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+ Copyright (C) 2007, 2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David S. Miller (davem@davemloft.net)
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@@ -163,6 +163,9 @@ END(bcopy)
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.align 32
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ENTRY(memcpy)
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+#ifndef USE_BPR
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+ srl %o2, 0, %o2
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+#endif
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100: /* %o0=dst, %o1=src, %o2=len */
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mov %o0, %g5
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cmp %o2, 0
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