The macro WORD_REGISTER_OPERATIONS, if defined, means that all reg-reg
operations on data smaller than words are performed on the full word.
For TARGET_POWERPC64 words are 64 bits; but many operations on SImode
do not behave as if on DImode. So rs6000 should not define the macro.
Bootstrappped
On Thu, Jun 18, 2015 at 1:08 PM, Segher Boessenkool
seg...@kernel.crashing.org wrote:
The macro WORD_REGISTER_OPERATIONS, if defined, means that all reg-reg
operations on data smaller than words are performed on the full word.
For TARGET_POWERPC64 words are 64 bits; but many operations on