regrename.c: Rewrite to handle multi-register modes and cond_exec instructions.

        * regrename.c: Rewrite to handle multi-register modes and
        cond_exec instructions.
        * Makefile.in (regrename.o): Update dependancies.
        * recog.h (struct operand_alternative): Add is_address.
        * recog.c (preprocess_constraints) [case 'p']: Set it.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r37089

gcc/ChangeLog

+2000-10-27  Bernd Schmidt  <bernds@redhat.co.uk>
+	    Richard Henderson  <rth@redhat.com>
+
+        * regrename.c: Rewrite to handle multi-register modes and
+        cond_exec instructions.
+        * Makefile.in (regrename.o): Update dependancies.
+        * recog.h (struct operand_alternative): Add is_address.
+        * recog.c (preprocess_constraints) [case 'p']: Set it.
+
 2000-10-27  Zack Weinberg  <zack@wolery.stanford.edu>
 
 	* configure.in: If not NO_MINUS_C_MINUS_O, substitute

gcc/Makefile.in

@@ -1452,9 +1452,9 @@ bb-reorder.o : bb-reorder.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h \
    insn-config.h $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h toplev.h \
    $(RECOG_H) insn-flags.h function.h except.h $(EXPR_H)
 timevar.o : timevar.c $(CONFIG_H) system.h $(TIMEVAR_H) flags.h intl.h
-regrename.o : regrename.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h \
-   insn-config.h $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h \
-   $(RECOG_H) function.h resource.h
+regrename.o : regrename.c $(CONFIG_H) system.h $(RTL_H) insn-config.h \
+   $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h $(RECOG_H) function.h \
+   resource.h $(OBSTACK_H) flags.h
 ifcvt.o : ifcvt.c $(CONFIG_H) system.h $(RTL_H) $(REGS_H) \
    flags.h insn-config.h function.h $(RECOG_H) $(BASIC_BLOCK_H) $(EXPR_H) \
    output.h

gcc/recog.c

@@ -2272,6 +2272,7 @@ preprocess_constraints ()
 		  break;
 
 		case 'p':
+		  op_alt[j].is_address = 1;
 		  op_alt[j].class = reg_class_subunion[(int) op_alt[j].class][(int) BASE_REG_CLASS];
 		  break;
 

gcc/recog.h

@@ -63,6 +63,8 @@ struct operand_alternative
   unsigned int decmem_ok:1;
   /* Nonzero if '>' was found in the constraint string.  */
   unsigned int incmem_ok:1;
+  /* Nonzero if 'p' was found in the constraint string.  */
+  unsigned int is_address:1;
   /* Nonzero if 'X' was found in the constraint string, or if the constraint
      string for this alternative was empty.  */
   unsigned int anything_ok:1;