On Mon, Aug 19, 2013 at 8:47 AM, Alan Modra wrote:
gcc/
...
* doc/tm.texi.in (TARGET_INIT_LOWER_SUBREG): Document.
ChangeLog update needed here, the new hook is documented in target.def.
+static void
+rs6000_init_lower_subreg (void *data)
+{
Functions should start with a leading
On Tue, Jun 11, 2013 at 09:56:11AM +0930, Alan Modra wrote:
[snip]
It isn't hard to see why we are going wrong. IBM long double is
really a two element array of double, and the rs6000 backend uses
subregs to access the elements. The problem is that lower-subreg
lowers to word_mode, so we