+2016-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/67653
+ * gimplify.c (gimplify_asm_expr): Warn if it is too late to
+ attempt to mark memory input operand addressable and
+ call prepare_gimple_addressable in that case. Don't adjust
+ input_location for diagnostics, use error_at instead.
+
2016-01-20 Peter Bergner <bergner@vnet.ibm.com>
* config/rs6000/ppc-auxv.h: New file.
TREE_VALUE (link) = error_mark_node;
tret = gimplify_expr (&TREE_VALUE (link), pre_p, post_p,
is_gimple_lvalue, fb_lvalue | fb_mayfail);
+ if (tret != GS_ERROR)
+ {
+ /* Unlike output operands, memory inputs are not guaranteed
+ to be lvalues by the FE, and while the expressions are
+ marked addressable there, if it is e.g. a statement
+ expression, temporaries in it might not end up being
+ addressable. They might be already used in the IL and thus
+ it is too late to make them addressable now though. */
+ tree x = TREE_VALUE (link);
+ while (handled_component_p (x))
+ x = TREE_OPERAND (x, 0);
+ if (TREE_CODE (x) == MEM_REF
+ && TREE_CODE (TREE_OPERAND (x, 0)) == ADDR_EXPR)
+ x = TREE_OPERAND (TREE_OPERAND (x, 0), 0);
+ if ((TREE_CODE (x) == VAR_DECL
+ || TREE_CODE (x) == PARM_DECL
+ || TREE_CODE (x) == RESULT_DECL)
+ && !TREE_ADDRESSABLE (x)
+ && is_gimple_reg (x))
+ {
+ warning_at (EXPR_LOC_OR_LOC (TREE_VALUE (link),
+ input_location), 0,
+ "memory input %d is not directly addressable",
+ i);
+ prepare_gimple_addressable (&TREE_VALUE (link), pre_p);
+ }
+ }
mark_addressable (TREE_VALUE (link));
if (tret == GS_ERROR)
{
- if (EXPR_HAS_LOCATION (TREE_VALUE (link)))
- input_location = EXPR_LOCATION (TREE_VALUE (link));
- error ("memory input %d is not directly addressable", i);
+ error_at (EXPR_LOC_OR_LOC (TREE_VALUE (link), input_location),
+ "memory input %d is not directly addressable", i);
ret = tret;
}
}