On Tue, Sep 6, 2011 at 10:54 AM, Ilya Enkovich <enkovich....@gmail.com> wrote: > 2011/9/6 Uros Bizjak <ubiz...@gmail.com>: >> >> Please merge your new splitters with corresponding LEA patterns. >> >> OK with this change. >> >> Thanks, >> Uros. >> > > Fixed. Could please someone check it in if it's OK now? > > Thanks, > Ilya > --- > gcc/ > > 2011-09-06 Enkovich Ilya <ilya.enkov...@intel.com> > > * config/i386/i386-protos.h (ix86_lea_outperforms): New. > (ix86_avoid_lea_for_add): Likewise. > (ix86_avoid_lea_for_addr): Likewise. > (ix86_split_lea_for_addr): Likewise. > > * config/i386/i386.c (LEA_MAX_STALL): New. > (increase_distance): Likewise. > (insn_defines_reg): Likewise. > (insn_uses_reg_mem): Likewise. > (distance_non_agu_define_in_bb): Likewise. > (distance_agu_use_in_bb): Likewise. > (ix86_lea_outperforms): Likewise. > (ix86_ok_to_clobber_flags): Likewise. > (ix86_avoid_lea_for_add): Likewise. > (ix86_avoid_lea_for_addr): Likewise. > (ix86_split_lea_for_addr): Likewise. > (distance_non_agu_define): Search in pred BBs added. > (distance_agu_use): Search in succ BBs added. > (IX86_LEA_PRIORITY): Value changed from 2 to 0. > (LEA_SEARCH_THRESHOLD): Now depends on LEA_MAX_STALL. > (ix86_lea_for_add_ok): Use ix86_lea_outperforms to make decision. > > * config/i386/i386.md: Split added to transform non destructive > add into move and add. > (lea_1): transformed into insn_and_split to avoid AGU stalls. > (lea<mode>_2): Likewise. >
I checked it into trunk for you. Thanks. -- H.J.
