gcc:
2005-09-29 Paolo Bonzini <bonzini@gnu.org>
PR c/21419
* gimplify.c (gimplify_asm_expr): Raise an error if an output is
read-only.
testsuite:
2005-09-29 Paolo Bonzini <bonzini@gnu.org>
PR c/21419
* gcc.dg/pr21419.c: New test.
From-SVN: r104774
+2005-09-29 Paolo Bonzini <bonzini@gnu.org>
+
+ PR c/21419
+ * gimplify.c (gimplify_asm_expr): Raise an error if an output is
+ read-only.
+
2005-09-29 Steven Bosscher <stevenb@suse.de>
PR tree-optimization/23911
parse_output_constraint (&constraint, i, 0, 0,
&allows_mem, &allows_reg, &is_inout);
+ if (TYPE_READONLY (TREE_TYPE (TREE_VALUE (link))))
+ {
+ error ("invalid lvalue in asm output %d", i);
+ ret = GS_ERROR;
+ }
+
if (!allows_reg && allows_mem)
lang_hooks.mark_addressable (TREE_VALUE (link));
+2005-09-29 Paolo Bonzini <bonzini@gnu.org>
+
+ PR c/21419
+ * gcc.dg/pr21419.c: New test.
+
2005-09-29 Steven Bosscher <stevenb@suse.de>
* gcc.dg/pr23911.c: New test.
--- /dev/null
+/* { dg-do compile } */
+const int i = 0;
+
+void f(void)
+{
+ __asm__ __volatile__ ("" : "=m" (i)); /* { dg-error "invalid lvalue in asm output" } */
+
+}
+
+void g(const int set)
+{
+ __asm__ __volatile__ ("" : "=r" (set)); /* { dg-error "invalid lvalue in asm output" } */
+}
+
+