On 04/01/2016 05:05 PM, Jakub Jelinek wrote:
with my usual pair of rtl,yes checking bootstraps/regtests (x86_64-linux and i686-linux, former one with ada, latter without), both without your patch and with the patch. Without the patch got 66555 successful replace_reads, with your patch only 65971, that is 1% difference. I guess that is acceptable level, though for GCC 7 we should try to improve that (either at the GIMPLE level, or do something better at the RTL level).
I was also running before/after tests on my set of .i files, and so far the effect seems negligible.
Bernd
