Re: RFA: PR62208: const0_rtx used for vectors in simplify-rtx.c

2014-09-06 Thread Richard Biener
On September 6, 2014 12:28:29 PM CEST, Richard Sandiford wrote: >This PR is about a case where an XOR+EQ sequence can legitimately >be simplified. The problem was that the sequence was operating on >vectors while the simplified version used a 0 CONST_INT (const0_rtx). > >The code seems to have b

RFA: PR62208: const0_rtx used for vectors in simplify-rtx.c

2014-09-06 Thread Richard Sandiford
This PR is about a case where an XOR+EQ sequence can legitimately be simplified. The problem was that the sequence was operating on vectors while the simplified version used a 0 CONST_INT (const0_rtx). The code seems to have been like that for a long time but presumably the bug has been latent un