Re: Resolving an issue of bootstrap failure from vectorization.

2013-07-09 Thread Xinliang David Li
Please repost the patch to gcc-patches@ mailing list. David On Tue, Jul 9, 2013 at 1:10 PM, Cong Hou wrote: > Hi > > My name is Cong Hou, and I am a Noogler working in the compiler > optimization team at Google. > > When we were trying moving the vectorization from O3 to O2 in GCC 4.9, > we met

Resolving an issue of bootstrap failure from vectorization.

2013-07-09 Thread Cong Hou
Hi My name is Cong Hou, and I am a Noogler working in the compiler optimization team at Google. When we were trying moving the vectorization from O3 to O2 in GCC 4.9, we met a bootstrap failure from comparison between stage 2&3. This failure is caused by a potential bug in GCC as stated below. I