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[new-regalloc-branch] correct max_regno
- To: Daniel Berlin <dan at cgsoftware dot com>
- Subject: [new-regalloc-branch] correct max_regno
- From: Denis Chertykov <denisc at overta dot ru>
- Date: Sun, 05 Aug 2001 14:27:20 +0400
- Cc: gcc-patches at gcc dot gnu dot org, matzmich at cs dot tu-berlin dot de, denisc at overta dot ru
This is applied patch.
Sun Aug 5 14:16:46 2001 Denis Chertykov <denisc@overta.ru>
Restore ra.c version 1.1.2.28
* ra.c (reg_alloc): Correct `max_regno' after rescan registers
preferences.
Index: ra.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/Attic/ra.c,v
retrieving revision 1.1.2.28
diff -c -3 -p -r1.1.2.28 ra.c
*** ra.c 2001/08/01 19:53:24 1.1.2.28
--- ra.c 2001/08/05 10:20:13
*************** rewrite_program (void)
*** 3697,3703 ****
{
rtx reg = gen_reg_rtx (GET_MODE (source));
if (validate_change (insn, DF_REF_LOC (web->defs[j]),
! reg, 0))
emit_insn (gen_move_insn (dest, reg));
else
emit_insn (gen_move_insn (dest, source));
--- 3697,3703 ----
{
rtx reg = gen_reg_rtx (GET_MODE (source));
if (validate_change (insn, DF_REF_LOC (web->defs[j]),
! reg, 0))
emit_insn (gen_move_insn (dest, reg));
else
emit_insn (gen_move_insn (dest, source));
*************** rewrite_program (void)
*** 3770,3776 ****
rtx reg = gen_reg_rtx (GET_MODE (target));
if (validate_change (insn, DF_REF_LOC (web->uses[j]),
! reg, 0))
emit_insn (gen_move_insn (reg ,source));
else
emit_insn (gen_move_insn (target, source));
--- 3770,3776 ----
rtx reg = gen_reg_rtx (GET_MODE (target));
if (validate_change (insn, DF_REF_LOC (web->uses[j]),
! reg, 0))
emit_insn (gen_move_insn (reg ,source));
else
emit_insn (gen_move_insn (target, source));
*************** rewrite_program (void)
*** 3790,3796 ****
}
BITMAP_XFREE (b);
!
/*if (! validate_change (insn, df->defs[i]->loc, web->stack_slot, 0)) */
}
--- 3790,3796 ----
}
BITMAP_XFREE (b);
!
/*if (! validate_change (insn, df->defs[i]->loc, web->stack_slot, 0)) */
}
*************** reg_alloc (void)
*** 4202,4208 ****
--- 4202,4210 ----
allocate_reg_info (max_reg_num (), FALSE, TRUE);
reg_scan_update (get_insns(), BLOCK_END (n_basic_blocks - 1),
max_regno);
regclass (get_insns (), max_reg_num (), rtl_dump_file);
+ max_regno = max_reg_num ();
}
dump_ra (df);
if (changed && rtl_dump_file)