* builtins.c (gimplify_va_arg_expr): Reword comments to avoid

	'abort'. Use gcc_assert and gcc_unreachable as appropriate.
	* c-format.c (get_constant, decode_format_attr, get_flag_spec,
	find_char_info_specifier_index,
	find_length_info_modifier_index): Likewise.
	* c-typeck.c (composite_type, pop_init_level): Likewise.
	* combine.c (cant_combine_insn_p, try_combine): Likewise.
	* cse.c (cse_insn): Likewise
	* dominance.c (calc_dfs_tree): Likewise
	dwarf2out.c (loc_descriptor_from_tree_1,
	add_abstract_origin_attribute, force_decl_die,
	force_type_die): Likewise
	emit-rtl.c (operand_subword_force): Likewise
	explow.c (hard_function_value): Likewise
	expmed.c (store_bit_field, expand_divmod,
	emit_store_flag_force): Likewise
	expr.c (emit_move_multi_word, store_expr,
	expand_expr_real_1): Likewise
	final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
	output_operand): Likewise
	flow.c (recompute_reg_usage): Likewise
	* function.c (assign_stack_temp_for_type, assign_temp,
	handle_epilogue_set): Likewise
	* genextract.c (main): Likewise
	* gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
	gimplify_modify_expr_rhs, gimplify_expr): Likewise
	* haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
	ready_remove, rm_line_notes, rm_other_notes,
	schedule_block): Likewise
	mips-tfile.c (copy_object, out_of_bounds): Likewise


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98567 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 2 insertions, 3 deletions

diff --git a/gcc/combine.c b/gcc/combine.c
index 96f33201372..d9e0b4fcda5 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -1527,7 +1527,7 @@ cant_combine_insn_p (rtx insn)
   /* Never combine loads and stores involving hard regs that are likely
      to be spilled.  The register allocator can usually handle such
      reg-reg moves by tying.  If we allow the combiner to make
-     substitutions of likely-spilled regs, we may abort in reload.
+     substitutions of likely-spilled regs, reload might die.
      As an exception, we allow combinations involving fixed regs; these are
      not available to the register allocator so there's no risk involved.  */
 
@@ -2096,8 +2096,7 @@ try_combine (rtx i3, rtx i2, rtx i1, int *new_direct_jump_p)
       || (i1 != 0 && FIND_REG_INC_NOTE (i1, NULL_RTX) != 0
 	  && (n_occurrences + added_sets_1 + (added_sets_2 && ! i1_feeds_i3)
 	      > 1))
-      /* Fail if we tried to make a new register (we used to abort, but there's
-	 really no reason to).  */
+      /* Fail if we tried to make a new register.  */
       || max_reg_num () != maxreg
       /* Fail if we couldn't do something and have a CLOBBER.  */
       || GET_CODE (newpat) == CLOBBER