Re: [Patch ARM] Fix vec_pack_trunc pattern for vectorize_with_neon_quad.

2011-08-26 Thread Ramana Radhakrishnan
On 16 August 2011 15:20, Ramana Radhakrishnan wrote: > Hi, > > While looking at a failure with regrename and > mvectorize-with-neon-quad I noticed that the early-clobber in this > vec_pack_trunc pattern is superfluous given that we can use > reg_overlap_mentioned_p to decide in which order we want

[Patch ARM] Fix vec_pack_trunc pattern for vectorize_with_neon_quad.

2011-08-16 Thread Ramana Radhakrishnan
Hi, While looking at a failure with regrename and mvectorize-with-neon-quad I noticed that the early-clobber in this vec_pack_trunc pattern is superfluous given that we can use reg_overlap_mentioned_p to decide in which order we want to emit these 2 instructions. While it works around the problem