[PATCH] Convert character arrays to string csts

[Richard Biener]

On Mon, Aug 14, 2017 at 1:23 PM, Richard Biener
<richard.guenther@gmail.com> wrote:
> On Wed, Aug 9, 2017 at 1:39 PM, Martin Liška <mliska@suse.cz> wrote:
>> On 08/09/2017 11:43 AM, Richard Biener wrote:
>>> I only have the patch I sent you so I can't re-diff.
>>>
>>> Richard.
>>
>> Hi.
>>
>> I'm sending rebased version of the patch. However the patch
>> eats all my memory when e.g. building ../../../libgcc/libgcov-merge.c.
>> If you have time, please try to make it working for &STRING_CST. I can continue
>> then.
>
> Note I didn't send the patch to make you use it -- it changes too much and I
> never fixed all the fall out.  It was meant as an exercise on how to
> use a CONST_DECL.

Btw. the

@@ -732,7 +730,7 @@ is_gimple_reg (tree t)
   if (virtual_operand_p (t))
     return false;

-  if (TREE_CODE (t) == SSA_NAME)
+  if (TREE_CODE (t) == SSA_NAME || TREE_CODE (t) == CONST_DECL)
     return true;

   if (!is_gimple_variable (t))

hunk looks wrong.

Richard.

> Richard.
>
>> Thanks,
>> Martin