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authorAndreas Jaeger <aj@suse.de>2002-08-10 18:12:27 +0000
committerAndreas Jaeger <aj@suse.de>2002-08-10 18:12:27 +0000
commit07e335474a4733c322b7b60feb46efd2dcd7937e (patch)
treeba9364b888da783b8269339798b939513f8de17b /sysdeps/i386/strchr.S
parentb9b91868d49b1853bdb15e7514eb5fbc578926a9 (diff)
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Diffstat (limited to 'sysdeps/i386/strchr.S')
-rw-r--r--sysdeps/i386/strchr.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/sysdeps/i386/strchr.S b/sysdeps/i386/strchr.S
index 26f6ac6a9d..f6a6de19a8 100644
--- a/sysdeps/i386/strchr.S
+++ b/sysdeps/i386/strchr.S
@@ -1,6 +1,6 @@
/* strchr (str, ch) -- Return pointer to first occurrence of CH in STR.
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.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>
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.
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? */
jz L(6) /* yes => return pointer */