Remaining support for clobber high

gcc/
	* alias.c (record_set): Check for clobber high.
	* cfgexpand.c (expand_gimple_stmt): Likewise.
	* combine-stack-adj.c (single_set_for_csa): Likewise.
	* combine.c (find_single_use_1): Likewise.
	(set_nonzero_bits_and_sign_copies): Likewise.
	(get_combine_src_dest): Likewise.
	(is_parallel_of_n_reg_sets): Likewise.
	(try_combine): Likewise.
	(record_dead_and_set_regs_1): Likewise.
	(reg_dead_at_p_1): Likewise.
	(reg_dead_at_p): Likewise.
	* dce.c (deletable_insn_p): Likewise.
	(mark_nonreg_stores_1): Likewise.
	(mark_nonreg_stores_2): Likewise.
	* df-scan.c (df_find_hard_reg_defs): Likewise.
	(df_uses_record): Likewise.
	(df_get_call_refs): Likewise.
	* dwarf2out.c (mem_loc_descriptor): Likewise.
	* haifa-sched.c (haifa_classify_rtx): Likewise.
	* ira-build.c (create_insn_allocnos): Likewise.
	* ira-costs.c (scan_one_insn): Likewise.
	* ira.c (equiv_init_movable_p): Likewise.
	(rtx_moveable_p): Likewise.
	(interesting_dest_for_shprep): Likewise.
	* jump.c (mark_jump_label_1): Likewise.
	* postreload-gcse.c (record_opr_changes): Likewise.
	* postreload.c (reload_cse_simplify): Likewise.
	(struct reg_use): Add source expr.
	(reload_combine): Check for clobber high.
	(reload_combine_note_use): Likewise.
	(reload_cse_move2add): Likewise.
	(move2add_note_store): Likewise.
	* print-rtl.c (print_pattern): Likewise.
	* recog.c (decode_asm_operands): Likewise.
	(store_data_bypass_p): Likewise.
	(if_test_bypass_p): Likewise.
	* regcprop.c (kill_clobbered_value): Likewise.
	(kill_set_value): Likewise.
	* reginfo.c (reg_scan_mark_refs): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	(eliminate_regs_1): Likewise.
	(elimination_effects): Likewise.
	(mark_not_eliminable): Likewise.
	(scan_paradoxical_subregs): Likewise.
	(forget_old_reloads_1): Likewise.
	* reorg.c (find_end_label): Likewise.
	(try_merge_delay_insns): Likewise.
	(redundant_insn): Likewise.
	(own_thread_p): Likewise.
	(fill_simple_delay_slots): Likewise.
	(fill_slots_from_thread): Likewise.
	(dbr_schedule): Likewise.
	* resource.c (update_live_status): Likewise.
	(mark_referenced_resources): Likewise.
	(mark_set_resources): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtlanal.c (reg_referenced_p): Likewise.
	(single_set_2): Likewise.
	(noop_move_p): Likewise.
	(note_stores): Likewise.
	* sched-deps.c (sched_analyze_reg): Likewise.
	(sched_analyze_insn): Likewise.

From-SVN: r263331

1 files changed, 6 insertions, 3 deletions

diff --git a/gcc/recog.c b/gcc/recog.c
index 0a8fa2c..d7c6943 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -1600,6 +1600,7 @@ decode_asm_operands (rtx body, rtx *operands, rtx **operand_locs,
 	      {
 		if (GET_CODE (XVECEXP (body, 0, i)) == CLOBBER)
 		  break;		/* Past last SET */
+		gcc_assert (GET_CODE (XVECEXP (body, 0, i)) == SET);
 		if (operands)
 		  operands[i] = SET_DEST (XVECEXP (body, 0, i));
 		if (operand_locs)
@@ -3715,7 +3716,8 @@ store_data_bypass_p_1 (rtx_insn *out_insn, rtx in_set)
     {
       rtx out_exp = XVECEXP (out_pat, 0, i);
 
-      if (GET_CODE (out_exp) == CLOBBER || GET_CODE (out_exp) == USE)
+      if (GET_CODE (out_exp) == CLOBBER || GET_CODE (out_exp) == USE
+	  || GET_CODE (out_exp) == CLOBBER_HIGH)
 	continue;
 
       gcc_assert (GET_CODE (out_exp) == SET);
@@ -3746,7 +3748,8 @@ store_data_bypass_p (rtx_insn *out_insn, rtx_insn *in_insn)
     {
       rtx in_exp = XVECEXP (in_pat, 0, i);
 
-      if (GET_CODE (in_exp) == CLOBBER || GET_CODE (in_exp) == USE)
+      if (GET_CODE (in_exp) == CLOBBER || GET_CODE (in_exp) == USE
+	  || GET_CODE (in_exp) == CLOBBER_HIGH)
 	continue;
 
       gcc_assert (GET_CODE (in_exp) == SET);
@@ -3798,7 +3801,7 @@ if_test_bypass_p (rtx_insn *out_insn, rtx_insn *in_insn)
 	{
 	  rtx exp = XVECEXP (out_pat, 0, i);
 
-	  if (GET_CODE (exp) == CLOBBER)
+	  if (GET_CODE (exp) == CLOBBER  || GET_CODE (exp) == CLOBBER_HIGH)
 	    continue;
 
 	  gcc_assert (GET_CODE (exp) == SET);