Re:RE: A problem with LRA

2017-04-23 Thread comp
a unified hard register set 0~63 is permitted to hold either interger or float value.Thanks. At 2017-04-18 21:45:54, "Matthew Fortune" wrote: >comp writes: >> Hi all, >> I recently have a problem with LRA. >> 1 The Bug use case >> int a=10; >> float c=2.0,d; >> main() >> { >>         float b; >>

Re:Re: A problem with LRA

2017-04-23 Thread comp
It does not work when -fno-strict-aliasing is specified. At 2017-04-18 21:02:45, "Segher Boessenkool" wrote: >Hi, > >On Mon, Apr 17, 2017 at 09:11:56PM +0800, comp wrote: >>         float b; >>         *(int*)&b=a; > >This is undefined behaviour. Try with -fno-strict-aliasing, does it >then work

gcc-8-20170423 is now available

2017-04-23 Thread gccadmin
Snapshot gcc-8-20170423 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/8-20170423/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 8 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/trunk revision