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This commit is contained in:
Andreas Jaeger 2002-08-10 18:12:27 +00:00
parent b9b91868d4
commit 07e335474a
1 changed files with 4 additions and 2 deletions
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6
sysdeps/i386/strchr.S
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@ -1,6 +1,6 @@
/* strchr (str, ch) -- Return pointer to first occurrence of CH in STR. /* strchr (str, ch) -- Return pointer to first occurrence of CH in STR.
For Intel 80x86, x>=3. For Intel 80x86, x>=3.
Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>
Some optimisations by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> Some optimisations by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au>
@ -254,7 +254,9 @@ L(71): addl $4, %eax
/* We now scan for the byte in which the character was matched. /* We now scan for the byte in which the character was matched.
But we have to take care of the case that a NUL char is But we have to take care of the case that a NUL char is
found before this in the dword. */ found before this in the dword. Note that we XORed %ecx
with the byte we're looking for, therefore the tests below look
reversed. */
L(7): testb %cl, %cl /* is first byte C? */ L(7): testb %cl, %cl /* is first byte C? */
jz L(6) /* yes => return pointer */ jz L(6) /* yes => return pointer */