On Wed, Feb 07, 2007 at 05:32:28PM +0300, Vladimir Sysoev wrote: > Hi! > I create test to reproduce issue with cpu2006/454.calculix > See attached. File e_c3d.f contains cutted subroutine from calculix. > tr535.f main entry point of the test. you can use go-script as a > reference how i get these results. find_stall.pl script which find > problem instruction combinations. > > Problem that new compiler generates read instruction right after > write. See some dumps below. >
A bug report is opened: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30735 H.J.
