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patches/glibc/2.3.6/160-sh-memset.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Oct 23 00:54:46 2010 +0200 (2010-10-23)
changeset 2165 e67ab7a73b2f
parent 402 197e1b49586e
permissions -rw-r--r--
libc/newlib: add option to compile support for float IOs

Adds support to enable/disable IOs of floating point values
(float, double, and long double).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 From:

     2 	http://sources.redhat.com/ml/libc-alpha/2005-07/msg00051.html

     3 	http://sources.redhat.com/ml/crossgcc/2005-10/msg00035.html

     4 

     5 Message-ID: <434576E1.6020305@sscd.de>

     6 Date: Thu, 06 Oct 2005 21:11:29 +0200

     7 From: Alexander Sieb <sieb at sscd dot de>

     8 To: crossgcc at sourceware dot org

     9 Subject: Crosstool sh4-linux-gcc-4.0.2-glibc-2.3.5 patches

    10 

    11 On sh[34]-linux, memset function does not work if 2nd argument is negative

    12 and 3rd argument is greater than 12.

    13 for example, memset(ptr, "\xda", 20) sets 0xff instead of 0xda.

    14  

    15 Attached patch fixes this problem.

    16  

    17 	* sysdeps/sh/memset.S (memset): Correct 2nd argument handling.

    18  

    19 --- glibc-2.3.5.old/sysdeps/sh/memset.S	29 Apr 2003 22:47:18 -0000	1.4

    20 +++ glibc-2.3.5/sysdeps/sh/memset.S	23 Jul 2005 08:37:21 -0000

    21 @@ -28,6 +28,7 @@ ENTRY(memset)

    22  	bt.s	L_byte_loop_init

    23  	mov	r4,r7

    24  

    25 +	extu.b	r5,r5

    26  	swap.b	r5,r1

    27  	or	r1,r5

    28 	swap.w	r5,r1

    29 

    30 Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
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