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re PR other/54800 (libiberty/simple-object-mach-o.c:704: possible optimisation ?)

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PR other/54800
	* simple-object-mach-o.c (simple_object_mach_o_segment): Don't
	bother to zero out a buffer we are about to set anyhow.

From-SVN: r194914
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Ian Lance Taylor 2013-01-04 19:00:06 +00:00 committed by Ian Lance Taylor
parent 918d445f1f
commit ad8c59a1b9
2 changed files with 9 additions and 2 deletions
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6
libiberty/ChangeLog
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@ -1,3 +1,9 @@
2013-01-04 Ian Lance Taylor <iant@google.com>
PR other/54800
* simple-object-mach-o.c (simple_object_mach_o_segment): Don't
bother to zero out a buffer we are about to set anyhow.
2013-01-01 David Edelsohn <dje.gcc@gmail.com>
* simple-object-xcoff.c: New file.

5
libiberty/simple-object-mach-o.c
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@ -1,5 +1,5 @@
/* simple-object-mach-o.c -- routines to manipulate Mach-O object files.
Copyright 2010, 2011 Free Software Foundation, Inc.
Copyright 2010, 2011, 2013 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
This program is free software; you can redistribute it and/or modify it
@ -701,12 +701,13 @@ simple_object_mach_o_segment (simple_object_read *sobj, off_t offset,
/* Otherwise, make a name like __segment,__section as per the
convention in mach-o asm. */
name = &namebuf[0];
memset (namebuf, 0, MACH_O_NAME_LEN * 2 + 2);
memcpy (namebuf, (char *) sechdr + segname_offset, MACH_O_NAME_LEN);
namebuf[MACH_O_NAME_LEN] = '\0';
l = strlen (namebuf);
namebuf[l] = ',';
memcpy (namebuf + l + 1, (char *) sechdr + sectname_offset,
MACH_O_NAME_LEN);
namebuf[l + 1 + MACH_O_NAME_LEN] = '\0';
}
simple_object_mach_o_section_info (omr->is_big_endian, is_32, sechdr,