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Diffstat (limited to 'gcc/ChangeLog')
-rw-r--r-- | gcc/ChangeLog | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e9cac978f1c..c5fa34ce5ce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,48 @@ +Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com> + + Merge peephole2 from new_ia32_branch: + * Makefile.in (STAGESTUFF): Add *.peephole2. + (mostlyclean): Likewise. + (recog.o): Depend on resource.h. + + * final.c (peephole): Conditionalize decl on HAVE_peephole. + (final_scan_insn): Likewise for the invocation of peephole. + * genconfig.c (main): Look for peephole and peephole2 patterns. + Emit HAVE_peephole* accordingly. + * genpeep.c (main): Conditionalize entire output on HAVE_peephole. + * flags.h (flag_peephole2): Declare. + * toplev.c: New pass peephole2. New flag -fpeephole2. + + * genattrtab.c (main): Count DEFINE_PEEPHOLE2. + * gencodes.c (main): Likewise. + * genextract.c (main): Likewise. + * genoutput.c (main): Likewise. + * genemit.c (max_operand_1): Look for the max scratch operand. + (gen_rtx_scratch): New. + (gen_exp): Use it, and pass on new arg subroutine_type. + (gen_expand): Take max scratch into account. + (gen_split): Emit peephole2 functions. + (output_peephole2_scratch): New. + (main): Include hard-reg-set.h and resource.h. Handle peephole2. + * genrecog.c (routine_type): Add PEEPHOLE2. + (IS_SPLIT): New. + (make_insn_sequence): Match outer parallel for peep2. Discard + top level scratches and dups. + (add_to_sequence): New args insn_type and top. Update all callers. + Handle toplevel peep2 matching insns. + (write_subroutine): Handle peep2. + (write_tree_1): Likewise. + (write_tree): Likewise. + (main): Likewise. + (change_state): New arg afterward. Update all callers. + Handle matching separate insns. + * recog.c (recog_next_insn): New. + (peephole2_optimize): New. + * rtl.def (DEFINE_PEEPHOLE2): New. + * resource.c (find_free_register): New argument last_insn. Use it + to find a register available through the entire span. + * resource.h (find_free_register): Update prototype. + Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com> * i386.c (output_strlen_unroll): Don't write xops[7] |