Re: patch to fix PR57468

2013-06-07 Thread Vladimir Makarov
On 13-06-06 9:22 PM, David Edelsohn wrote: The patch actually restore the LRA behaviour for x86/x86-64 before rev. 199298. The revision was added for PPC SDmode value correct generation. So it is really needed for PPC64 and badly hurts x86/x86-64 performance (by doing secondary memory reloads

Re: patch to fix PR57468

2013-06-06 Thread David Edelsohn
> The patch actually restore the LRA behaviour for x86/x86-64 before rev. > 199298. The revision was added for PPC SDmode value correct generation. So it > is really needed for PPC64 and badly hurts x86/x86-64 performance (by doing > secondary memory reloads when one pseudo is spilled).

patch to fix PR57468

2013-06-06 Thread Vladimir Makarov
The following patch fixes http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57468 The patch actually restore the LRA behaviour for x86/x86-64 before rev. 199298. The revision was added for PPC SDmode value correct generation. So it is really needed for PPC64 and badly hurts x86/x86-64 performance