r194439 - in /trunk/libgcc: ChangeLog fixed-bit.c

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Dec 12 09:38:56 2012
New Revision: 194439

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194439
Log:
	PR libgcc/55451
	* fixed-bit.c (FIXED_SSADD, FIXED_SSSUB, FIXED_SSNEG): Avoid
	undefined signed overflows.

Modified:
    trunk/libgcc/ChangeLog
    trunk/libgcc/fixed-bit.c