From a827d9b1943e966713fbc5cd8f56722791f524aa Mon Sep 17 00:00:00 2001 From: David Malcolm Date: Thu, 11 Sep 2014 20:47:39 +0000 Subject: Introduce LABEL_REF_LABEL gcc/ChangeLog: 2014-09-11 David Malcolm * rtl.h (LABEL_REF_LABEL): New macro. * alias.c (rtx_equal_for_memref_p): Use LABEL_REF_LABEL in place of XEXP (, 0), where we know that we have a LABEL_REF. * cfgbuild.c (make_edges): Likewise. (purge_dead_tablejump_edges): Likewise. * cfgexpand.c (convert_debug_memory_address): Likewise. * cfgrtl.c (patch_jump_insn): Likewise. * combine.c (distribute_notes): Likewise. * cse.c (hash_rtx_cb): Likewise. (exp_equiv_p): Likewise. (fold_rtx): Likewise. (check_for_label_ref): Likewise. * cselib.c (rtx_equal_for_cselib_1): Likewise. (cselib_hash_rtx): Likewise. * emit-rtl.c (mark_label_nuses): Likewise. * explow.c (convert_memory_address_addr_space): Likewise. * final.c (output_asm_label): Likewise. (output_addr_const): Likewise. * gcse.c (add_label_notes): Likewise. * genconfig.c (walk_insn_part): Likewise. * genrecog.c (validate_pattern): Likewise. * ifcvt.c (cond_exec_get_condition): Likewise. (noce_emit_store_flag): Likewise. (noce_get_alt_condition): Likewise. (noce_get_condition): Likewise. * jump.c (maybe_propagate_label_ref): Likewise. (mark_jump_label_1): Likewise. (redirect_exp_1): Likewise. (rtx_renumbered_equal_p): Likewise. * lra-constraints.c (operands_match_p): Likewise. * reload.c (operands_match_p): Likewise. (find_reloads): Likewise. * reload1.c (set_label_offsets): Likewise. * reorg.c (get_branch_condition): Likewise. * rtl.c (rtx_equal_p_cb): Likewise. (rtx_equal_p): Likewise. * rtlanal.c (reg_mentioned_p): Likewise. (rtx_referenced_p): Likewise. (get_condition): Likewise. * sched-vis.c (print_value): Likewise. * varasm.c (const_hash_1): Likewise. (compare_constant): Likewise. (const_rtx_hash_1): Likewise. (output_constant_pool_1): Likewise. From-SVN: r215190 --- gcc/rtl.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'gcc/rtl.h') diff --git a/gcc/rtl.h b/gcc/rtl.h index 56a06e1..aaca3dc 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -1673,6 +1673,10 @@ inline rtx_insn *JUMP_LABEL_AS_INSN (const rtx_insn *insn) goes through all the LABEL_REFs that jump to that label. The chain eventually winds up at the CODE_LABEL: it is circular. */ #define LABEL_REFS(LABEL) XCEXP (LABEL, 3, CODE_LABEL) + +/* Get the label that a LABEL_REF references. */ +#define LABEL_REF_LABEL(LABREF) XCEXP (LABREF, 0, LABEL_REF) + /* For a REG rtx, REGNO extracts the register number. REGNO can only be used on RHS. Use SET_REGNO to change the value. */ -- cgit v1.1