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[thirdparty/glibc.git] / sysdeps / m68k / rawmemchr.S

diff --git a/sysdeps/m68k/rawmemchr.S b/sysdeps/m68k/rawmemchr.S
index 74eb1cab299465ff103ce74b5ebffb4a863cfda8..912f347a20c7ba9118b210cf5855b6f30b5856e0 100644 (file)
--- a/sysdeps/m68k/rawmemchr.S
+++ b/sysdeps/m68k/rawmemchr.S
@@ -1,23 +1,22 @@
 /* rawmemchr (str, ch) -- Return pointer to first occurrence of CH in STR.
    For Motorola 68000.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Schwab <schwab@gnu.org>.
 
    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.
+   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
-   Library General Public License for more details.
+   Lesser 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.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
 #include "asm-syntax.h"
@@ -26,7 +25,11 @@
 ENTRY(__rawmemchr)
        /* Save the callee-saved registers we use.  */
        movel   R(d2),MEM_PREDEC(sp)
+       cfi_adjust_cfa_offset (4)
        movel   R(d3),MEM_PREDEC(sp)
+       cfi_adjust_cfa_offset (4)
+       cfi_rel_offset (R(d2), 4)
+       cfi_rel_offset (R(d3), 0)
 
        /* Get string pointer and character.  */
        movel   MEM_DISP(sp,12),R(a0)
@@ -43,21 +46,31 @@ ENTRY(__rawmemchr)
        /* First search for the character one byte at a time until the
           pointer is aligned to a longword boundary.  */
        movel   R(a0),R(d1)
+#ifdef __mcoldfire__
+       andl    #3,R(d1)
+#else
        andw    #3,R(d1)
+#endif
        beq     L(L1)
        cmpb    MEM(a0),R(d0)
        beq     L(L9)
        addql   #1,R(a0)
 
-       movel   R(a0),R(d1)
-       andw    #3,R(d1)
+#ifdef __mcoldfire__
+       subql   #3,R(d1)
+#else
+       subqw   #3,R(d1)
+#endif
        beq     L(L1)
        cmpb    MEM(a0),R(d0)
        beq     L(L9)
        addql   #1,R(a0)
 
-       movel   R(a0),R(d1)
-       andw    #3,R(d1)
+#ifdef __mcoldfire__
+       addql   #1,R(d1)
+#else
+       addqw   #1,R(d1)
+#endif
        beq     L(L1)
        cmpb    MEM(a0),R(d0)
        beq     L(L9)
@@ -172,8 +185,13 @@ L(L8:)
 L(L9:)
        movel   R(a0),R(d0)
        movel   MEM_POSTINC(sp),R(d3)
+       cfi_adjust_cfa_offset (-4)
+       cfi_restore (R(d3))
        movel   MEM_POSTINC(sp),R(d2)
+       cfi_adjust_cfa_offset (-4)
+       cfi_restore (R(d2))
        rts
 END(__rawmemchr)
 
+libc_hidden_def (__rawmemchr)
 weak_alias (__rawmemchr, rawmemchr)