Uros Bizjak <ubiz...@gmail.com> writes: > On Sun, Oct 28, 2012 at 2:37 AM, H.J. Lu <hjl.to...@gmail.com> wrote: > >>>> As suggested by Richard S. [1], after the patch that converts subreg:M >>>> (op:N (...)(...)) to op:M (subreg:M (...) subreg:M (...)), we can >>>> remove several peephole2 patterns that handle subregs of PLUS, MINUS >>>> and MULT operators. I have attached RFC prototype patch that will >>>> trigger an ICE when to-be-removed pattern triggers, with the intention >>>> that these patterns wil be removed entirely (An "invalid" pattern was >>>> indeed generated elsewhere, see patch). > > I have committed following version that avoids all failures, reported by H.J.: > > 2012-10-29 Uros Bizjak <ubiz...@gmail.com> > > * config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg > to generate SImode equivalent of address, zero-extended with AND RTX. > * config/i386/i386.md (ashift to lea splitter): Split to SImode mult. > (simple lea to add/shift peephole2s): Remove peephole2s that operate > on subregs of DImode operations. > > Re-tested on x86_64-pc-linux-gnu {,-m32} and committed to mainline SVN.
Thanks!