stmt.c (resolve_operand_names): Handle operand modifiers.

        * stmt.c (resolve_operand_names): Handle operand modifiers.

        * gcc.dg/asm-4.c: Test operand modifiers.

From-SVN: r48299

gcc/ChangeLog

 2001-12-23  Richard Henderson  <rth@redhat.com>
 
+	* stmt.c (resolve_operand_names): Handle operand modifiers.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
 	* stmt.c (parse_input_constraint): Break out from ...
 	(expand_asm_operands): ... here.  Loop over the operands twice,
 	the first time only calling mark_addressable.  Correct and simplify

gcc/stmt.c

@@ -2080,8 +2080,16 @@ resolve_operand_names (string, outputs, inputs, pconstraints)
   p = buffer;
   while ((p = strchr (p, '%')) != NULL)
     {
-      if (*++p != '[')
-	continue;
+      if (p[1] == '[')
+	p += 1;
+      else if (ISALPHA (p[1]) && p[2] == '[')
+	p += 2;
+      else
+	{
+	  p += 1;
+	  continue;
+	}
+
       p = resolve_operand_name_1 (p, outputs, inputs);
     }
 

gcc/testsuite/ChangeLog

 2001-12-23  Richard Henderson  <rth@redhat.com>
 
+	* gcc.dg/asm-4.c: Test operand modifiers.
+
+2001-12-23  Richard Henderson  <rth@redhat.com>
+
 	* gcc.c-torture/execute/20011219-1.c (main): Make "i" a long.
 
 2001-12-23  Joseph S. Myers  <jsm28@cam.ac.uk>

gcc/testsuite/gcc.dg/asm-4.c

@@ -3,12 +3,14 @@
 
 int main()
 {
-  int x;
+  int x, y, z;
 
   asm volatile ("test0 X%0Y%[arg]Z" : [arg] "=g" (x));
-  asm volatile ("test1 X%[out]Y%[in]Z" : [out] "=g" (x) : [in] "0"(x));
+  asm volatile ("test1 X%[out]Y%[in]Z" : [out] "=g" (y) : [in] "0"(y));
+  asm volatile ("test2 X%a0Y%a[arg]Z" : : [arg] "p" (&z));
 }
 
 /* ??? Someone explain why the back reference dosn't work.  */
 /* { dontdg-final { scan-assembler "test0 X(.*)Y\1Z" } } */
 /* { dontdg-final { scan-assembler "test1 X(.*)Y\1Z" } } */
+/* { dontdg-final { scan-assembler "test2 X(.*)Y\1Z" } } */