Re: split_live_ranges_for_shrink_wrap and !SHRINK_WRAPPING_ENABLED?

2016-04-18 11:53 GMT+03:00 Senthil Kumar Selvaraj : > Hi, > > While tracking down a performance regression for the AVR target from > 4.9.x to trunk, I noticed that failing the SHRINK_WRAPPING_ENABLED > check in ira.c led to noticeably worse code for the

split_live_ranges_for_shrink_wrap and !SHRINK_WRAPPING_ENABLED?

Hi, While tracking down a performance regression for the AVR target from 4.9.x to trunk, I noticed that failing the SHRINK_WRAPPING_ENABLED check in ira.c led to noticeably worse code for the following case. That check prevents live range splitting of pseudos containing formal args, and