recog.h (recog_op_alt): Convert to a flat array.

gcc/
	* recog.h (recog_op_alt): Convert to a flat array.
	(which_op_alt): New function.
	* recog.c (recog_op_alt): Convert to a flat array.
	(preprocess_constraints): Update accordingly, grouping all
	operands of the same alternative together, rather than the
	other way around.
	* ira-lives.c (check_and_make_def_conflict): Likewise.
	(make_early_clobber_and_input_conflicts): Likewise.
	* config/i386/i386.c (ix86_legitimate_combined_insn): Likewise.
	* reg-stack.c (check_asm_stack_operands): Use which_op_alt.
	(subst_asm_stack_regs): Likewise.
	* regcprop.c (copyprop_hardreg_forward_1): Likewise.
	* regrename.c (hide_operands, record_out_operands): Likewise.
	(build_def_use): Likewise.
	* sel-sched.c (get_reg_class): Likewise.
	* config/arm/arm.c (note_invalid_constants): Likewise.

From-SVN: r211237

1 files changed, 11 insertions, 13 deletions

diff --git a/gcc/regcprop.c b/gcc/regcprop.c
index 25a20ec..d55ee33 100644
--- a/gcc/regcprop.c
+++ b/gcc/regcprop.c
@@ -745,7 +745,7 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 
   for (insn = BB_HEAD (bb); ; insn = NEXT_INSN (insn))
     {
-      int n_ops, i, alt, predicated;
+      int n_ops, i, predicated;
       bool is_asm, any_replacements;
       rtx set;
       rtx link;
@@ -775,7 +775,7 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
       if (! constrain_operands (1))
 	fatal_insn_not_found (insn);
       preprocess_constraints ();
-      alt = which_alternative;
+      operand_alternative *op_alt = which_op_alt ();
       n_ops = recog_data.n_operands;
       is_asm = asm_noperands (PATTERN (insn)) >= 0;
 
@@ -786,10 +786,10 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
       predicated = GET_CODE (PATTERN (insn)) == COND_EXEC;
       for (i = 0; i < n_ops; ++i)
 	{
-	  int matches = recog_op_alt[i][alt].matches;
+	  int matches = op_alt[i].matches;
 	  if (matches >= 0)
-	    recog_op_alt[i][alt].cl = recog_op_alt[matches][alt].cl;
-	  if (matches >= 0 || recog_op_alt[i][alt].matched >= 0
+	    op_alt[i].cl = op_alt[matches].cl;
+	  if (matches >= 0 || op_alt[i].matched >= 0
 	      || (predicated && recog_data.operand_type[i] == OP_OUT))
 	    recog_data.operand_type[i] = OP_INOUT;
 	}
@@ -800,7 +800,7 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 
       /* For each earlyclobber operand, zap the value data.  */
       for (i = 0; i < n_ops; i++)
-	if (recog_op_alt[i][alt].earlyclobber)
+	if (op_alt[i].earlyclobber)
 	  kill_value (recog_data.operand[i], vd);
 
       /* Within asms, a clobber cannot overlap inputs or outputs.
@@ -814,7 +814,7 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 
       /* Kill all early-clobbered operands.  */
       for (i = 0; i < n_ops; i++)
-	if (recog_op_alt[i][alt].earlyclobber)
+	if (op_alt[i].earlyclobber)
 	  kill_value (recog_data.operand[i], vd);
 
       /* If we have dead sets in the insn, then we need to note these as we
@@ -936,17 +936,15 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 
 	  if (recog_data.operand_type[i] == OP_IN)
 	    {
-	      if (recog_op_alt[i][alt].is_address)
+	      if (op_alt[i].is_address)
 		replaced[i]
 		  = replace_oldest_value_addr (recog_data.operand_loc[i],
-					       recog_op_alt[i][alt].cl,
-					       VOIDmode, ADDR_SPACE_GENERIC,
-					       insn, vd);
+					       op_alt[i].cl, VOIDmode,
+					       ADDR_SPACE_GENERIC, insn, vd);
 	      else if (REG_P (recog_data.operand[i]))
 		replaced[i]
 		  = replace_oldest_value_reg (recog_data.operand_loc[i],
-					      recog_op_alt[i][alt].cl,
-					      insn, vd);
+					      op_alt[i].cl, insn, vd);
 	      else if (MEM_P (recog_data.operand[i]))
 		replaced[i] = replace_oldest_value_mem (recog_data.operand[i],
 							insn, vd);