From c5af420ec97dd94ae5687cdba874f25f64cd6660 Mon Sep 17 00:00:00 2001 From: rth Date: Tue, 13 Jun 2000 21:47:44 +0000 Subject: * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE and hard-coded tests. (simplify_set): Likewise. (gen_lowpart_for_combine): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * global.c (find_reg): Likewise. * local-alloc.c (find_free_reg): Likewise. * recog.c (register_operand): Likewise. * regclass.c (init_reg_sets_1): Likewise. (record_operand_costs, regclass): Likewise. * reload.c (push_reload): Likewise. * reload1.c (choose_reload_regs): Likewise. * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE. * local-alloc.c (struct qty): Rename changes_size to changes_mode. Update all references. * regs.h (struct reg_info_def): Likewise. (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE. * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document. (CLASS_CANNOT_CHANGE_MODE_P): Likewise. * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename. (CLASS_CANNOT_CHANGE_MODE_P): New. * config/mips/mips.h: Likewise. * config/pa/pa32-regs.h: Likewise. * config/pa/pa64-regs.h: Likewise. * config/rs6000/rs6000.h: Likewise. * config/sh/sh.h: Likewise. * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New. (CLASS_CANNOT_CHANGE_MODE_P): New. * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code. * config/d30v/d30v.h: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34526 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/local-alloc.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'gcc/local-alloc.c') diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index bd6492980ea..e2c00bf8dec 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -140,10 +140,10 @@ struct qty short phys_reg; - /* Nonzero if this quantity has been used in a SUBREG that changes - its size. */ + /* Nonzero if this quantity has been used in a SUBREG in some + way that is illegal. */ - char changes_size; + char changes_mode; }; @@ -301,7 +301,7 @@ alloc_qty (regno, mode, size, birth) qty[qtyno].min_class = reg_preferred_class (regno); qty[qtyno].alternate_class = reg_alternate_class (regno); qty[qtyno].n_refs = REG_N_REFS (regno); - qty[qtyno].changes_size = REG_CHANGES_SIZE (regno); + qty[qtyno].changes_mode = REG_CHANGES_MODE (regno); } /* Main entry point of this file. */ @@ -1795,8 +1795,8 @@ update_qty_class (qtyno, reg) if (reg_class_subset_p (rclass, qty[qtyno].alternate_class)) qty[qtyno].alternate_class = rclass; - if (REG_CHANGES_SIZE (reg)) - qty[qtyno].changes_size = 1; + if (REG_CHANGES_MODE (reg)) + qty[qtyno].changes_mode = 1; } /* Handle something which alters the value of an rtx REG. @@ -1997,10 +1997,10 @@ find_free_reg (class, mode, qtyno, accept_call_clobbered, just_try_suggested, SET_HARD_REG_BIT (used, FRAME_POINTER_REGNUM); #endif -#ifdef CLASS_CANNOT_CHANGE_SIZE - if (qty[qtyno].changes_size) +#ifdef CLASS_CANNOT_CHANGE_MODE + if (qty[qtyno].changes_mode) IOR_HARD_REG_SET (used, - reg_class_contents[(int) CLASS_CANNOT_CHANGE_SIZE]); + reg_class_contents[(int) CLASS_CANNOT_CHANGE_MODE]); #endif /* Normally, the registers that can be used for the first register in -- cgit v1.2.1