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
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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.
lea.diff
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