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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8e16cb3cd32..784a076a653 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,96 @@ +2002-07-15 Michael Matz <matz@suse.de>, + Daniel Berlin <dberlin@dberlin.org>, + Denis Chertykov <denisc@overta.ru> + + Add a new register allocator. + + * ra.c: New file. + * ra.h: New file. + * ra-build.c: New file. + * ra-colorize.c: New file. + * ra-debug.c: New file. + * ra-rewrite.c: New file. + + * Makefile.in (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, + (ra-rewrite.o): New .o files for libbackend.a. + (GTFILES): Add basic-block.h. + + * toplev.c (flag_new_regalloc): New. + (f_options): New option "new-ra". + (rest_of_compilation): Call initialize_uninitialized_subregs() + only for the old allocator. If flag_new_regalloc is set, call + new allocator, instead of local_alloc(), global_alloc() and + friends. + + * doc/invoke.texi: Document -fnew-ra. + * basic-block.h (FOR_ALL_BB): New. + * config/rs6000/rs6000.c (print_operand): Write small constants + as @l+80. + + * df.c (read_modify_subreg_p): Narrow down cases for a rmw subreg. + (df_reg_table_realloc): Make size at least as large as max_reg_num(). + (df_insn_table_realloc): Size argument now is absolute, not relative. + Changed all callers. + + * gengtype.c (main): Add the pseudo-type "HARD_REG_SET". + * regclass.c (reg_scan_mark_refs): Ignore NULL rtx's. + + 2002-06-20 Michael Matz <matz@suse.de> + + * df.h (struct ref.id): Make unsigned. + * df.c (df_bb_reg_def_chain_create): Remove unsigned cast. + + 2002-06-13 Michael Matz <matz@suse.de> + + * df.h (DF_REF_MODE_CHANGE): New flag. + * df.c (df_def_record_1, df_uses_record): Set this flag for refs + involving subregs with invalid mode changes, when + CLASS_CANNOT_CHANGE_MODE is defined. + + 2002-05-07 Michael Matz <matz@suse.de> + + * reload1.c (fixup_abnormal_edges): Don't insert on NULL edge. + + 2002-05-03 Michael Matz <matz@suse.de> + + * sbitmap.c (sbitmap_difference): Accept sbitmaps of different size. + + Sat Feb 2 18:58:07 2002 Denis Chertykov <denisc@overta.ru> + + * regclass.c (regclass): Work with all regs which have sets or + refs. + (reg_scan_mark_refs): Count regs inside (clobber ...). + + 2002-01-04 Michael Matz <matzmich@cs.tu-berlin.de> + + * df.c (df_ref_record): Correctly calculate SUBREGs of hardregs. + (df_bb_reg_def_chain_create, df_bb_reg_use_chain_create): Only + add new refs. + (df_bb_refs_update): Don't clear insns_modified here, ... + (df_analyse): ... but here. + + * sbitmap.c (dump_sbitmap_file): New. + (debug_sbitmap): Use it. + + * sbitmap.h (dump_sbitmap_file): Add prototype. + + 2001-08-07 Daniel Berlin <dan@cgsoftware.com> + + * df.c (df_insn_modify): Grow the UID table if necessary, rather + than assume all emits go through df_insns_modify. + + 2001-07-26 Daniel Berlin <dan@cgsoftware.com> + + * regclass.c (reg_scan_mark_refs): When we increase REG_N_SETS, + increase REG_N_REFS (like flow does), so that regclass doesn't + think a reg is useless, and thus, not calculate a class, when it + really should have. + + 2001-01-28 Daniel Berlin <dberlin@redhat.com> + + * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP_REV): New macro, needed for + dataflow analysis. + 2002-07-15 Jakub Jelinek <jakub@redhat.com> PR middle-end/7245 |