re PR rtl-optimization/190 (Optimization bug for x86 target)

        PR opt/190
        * final.c (this_is_asm_operands): Export.
        * output.h (this_is_asm_operands): Declare.
        * config/i386/i386.c (print_operand): Error odd asm operands.

From-SVN: r51741

gcc/ChangeLog

 2002-04-02  Richard Henderson  <rth@redhat.com>
 
+	PR opt/190
+	* final.c (this_is_asm_operands): Export.
+	* output.h (this_is_asm_operands): Declare.
+	* config/i386/i386.c (print_operand): Error odd asm operands.
+
+2002-04-02  Richard Henderson  <rth@redhat.com>
+
 	PR opt/420
 	* config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra.
 

gcc/config/i386/i386.c

@@ -5995,6 +5995,8 @@ print_operand (file, x, code)
       else if (CONSTANT_ADDRESS_P (x) && code =='P'
 	       && GET_CODE (x) != CONST_INT)
 	output_addr_const (file, x);
+      else if (this_is_asm_operands && ! address_operand (x, VOIDmode))
+	output_operand_lossage ("invalid constraints for operand");
       else
 	output_address (x);
     }

gcc/final.c

@@ -122,7 +122,7 @@ extern int length_unit_log; /* This is defined in insn-attrtab.c.  */
 /* Nonzero while outputting an `asm' with operands.
    This means that inconsistencies are the user's fault, so don't abort.
    The precise value is the insn being output, to pass to error_for_asm.  */
-static rtx this_is_asm_operands;
+rtx this_is_asm_operands;
 
 /* Number of operands of this insn, for an `asm' with operands.  */
 static unsigned int insn_noperands;

gcc/output.h

@@ -465,6 +465,11 @@ extern struct rtx_def *current_insn_predicate;
 /* Last insn processed by final_scan_insn.  */
 extern struct rtx_def *current_output_insn;
 
+/* Nonzero while outputting an `asm' with operands.
+   This means that inconsistencies are the user's fault, so don't abort.
+   The precise value is the insn being output, to pass to error_for_asm.  */
+extern rtx this_is_asm_operands;
+
 /* Decide whether DECL needs to be in a writable section.  RELOC is the same
    as for SELECT_SECTION.  */