common.md: New file.

gcc/
	* common.md: New file.
	* doc/md.texi: Update description of generic, machine-independent
	constraints.
	* config/s390/constraints.md (e): Delete.
	* Makefile.in (md_file): Include common.md.
	* config/m32c/t-m32c (md_file): Likewise.
	* genpreds.c (general_mem): New array.
	(generic_constraint_letters): Remove constraints now defined by
	common.md.
	(add_constraint): Map TARGET_MEM_CONSTRAINT to general_mem.
	Allow the first character to be '<' or '>' as well.
	* genoutput.c (general_mem): New array.
	(indep_constraints): Remove constraints now defined by common.md.
	(note_constraint): Map TARGET_MEM_CONSTRAINT to general_mem.
	Remove special handling of 'm'.
	* ira-costs.c (record_reg_classes): Remove special handling of
	constraints now defined by common.md.
	* ira.c (ira_setup_alts, ira_get_dup_out_num): Likewise.
	* ira-lives.c (single_reg_class): Likewise.
	(ira_implicitly_set_insn_hard_regs): Likewise.
	* lra-constraints.c (reg_class_from_constraints): Likewise.
	(process_alt_operands, process_address, curr_insn_transform): Likewise.
	* postreload.c (reload_cse_simplify_operands): Likewise.
	* reload.c (push_secondary_reload, scratch_reload_class)
	(find_reloads, alternative_allows_const_pool_ref): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	* targhooks.c (default_secondary_reload): Likewise.
	* stmt.c (parse_output_constraint): Likewise.
	* recog.c (preprocess_constraints): Likewise.
	(constrain_operands, peep2_find_free_register): Likewise.
	(asm_operand_ok): Likewise, but add a comment saying why 'o'
	must be handled specially.

From-SVN: r211475

1 files changed, 1 insertions, 67 deletions

diff --git a/gcc/ira.c b/gcc/ira.c
index f724fd4b4d2..034c4cc8c2e 100644
--- a/gcc/ira.c
+++ b/gcc/ira.c
@@ -1835,9 +1835,6 @@ ira_setup_alts (rtx insn, HARD_REG_SET &alts)
 		    len = 0;
 		    break;
 		  
-		  case '?':  case '!': case '*':  case '=':  case '+':
-		    break;
-		    
 		  case '%':
 		    /* We only support one commutative marker, the
 		       first one.  We already set commutative
@@ -1846,63 +1843,12 @@ ira_setup_alts (rtx insn, HARD_REG_SET &alts)
 		      commutative = nop;
 		    break;
 
-		  case '&':
-		    break;
-		    
 		  case '0':  case '1':  case '2':  case '3':  case '4':
 		  case '5':  case '6':  case '7':  case '8':  case '9':
 		    goto op_success;
 		    break;
 		    
-		  case 'p':
 		  case 'g':
-		  case 'X':
-		  case TARGET_MEM_CONSTRAINT:
-		    goto op_success;
-		    break;
-		    
-		  case '<':
-		    if (MEM_P (op)
-			&& (GET_CODE (XEXP (op, 0)) == PRE_DEC
-			    || GET_CODE (XEXP (op, 0)) == POST_DEC))
-		    goto op_success;
-		    break;
-		    
-		  case '>':
-		    if (MEM_P (op)
-		      && (GET_CODE (XEXP (op, 0)) == PRE_INC
-			  || GET_CODE (XEXP (op, 0)) == POST_INC))
-		      goto op_success;
-		    break;
-		    
-		  case 'E':
-		  case 'F':
-		    if (CONST_DOUBLE_AS_FLOAT_P (op)
-			|| (GET_CODE (op) == CONST_VECTOR
-			    && GET_MODE_CLASS (GET_MODE (op)) == MODE_VECTOR_FLOAT))
-		      goto op_success;
-		    break;
-		    
-		  case 's':
-		    if (CONST_SCALAR_INT_P (op))
-		      break;
-		  case 'i':
-		    if (CONSTANT_P (op))
-		      goto op_success;
-		    break;
-		    
-		  case 'n':
-		    if (CONST_SCALAR_INT_P (op))
-		      goto op_success;
-		    break;
-		    
-		  case 'V':
-		    if (MEM_P (op) && ! offsettable_memref_p (op))
-		      goto op_success;
-		    break;
-		    
-		  case 'o':
-		  case 'r':
 		    goto op_success;
 		    break;
 		    
@@ -1992,21 +1938,9 @@ ira_get_dup_out_num (int op_num, HARD_REG_SET &alts)
 	  else if (! ignore_p)
 	    switch (c)
 	      {
-	      case 'X':
-	      case 'p':
 	      case 'g':
 		goto fail;
-	      case 'r':
-		if (!targetm.class_likely_spilled_p (GENERAL_REGS))
-		  goto fail;
-		break;
-	      case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
-	      case 'h': case 'j': case 'k': case 'l':
-	      case 'q': case 't': case 'u':
-	      case 'v': case 'w': case 'x': case 'y': case 'z':
-	      case 'A': case 'B': case 'C': case 'D':
-	      case 'Q': case 'R': case 'S': case 'T': case 'U':
-	      case 'W': case 'Y': case 'Z':
+	      default:
 		{
 		  enum constraint_num cn = lookup_constraint (str);
 		  enum reg_class cl = reg_class_for_constraint (cn);