[Bug tree-optimization/34043] Missed optimization causing extra loads and stores when using x86_64 builtin function together with aggregate types.

[pinskia at gcc dot gnu dot org]

------- Comment #7 from pinskia at gcc dot gnu dot org  2007-12-09 22:34 -------
>+static tree get_generic_type_node_from_size(int size)

This function needs lots of improvement because the size of the modes is based
on UNIT_BIT_SIZE (I think that is the macro name) and really you can go from a
size to a mode and then to a tree type.

Note this patch really fixes my bug (PR 32964) if PRE is extended to handle
this too.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34043