[PATCH] Annotation improvements to prepare_float_lib_cmp

[Zack Weinberg]

Roger Sayle <roger@eyesopen.com> writes:

>
> 	* optabs.c (prepare_float_lib_cmp): Avoid searching for REG_RETVAL
> 	instruction by using LCT_CONST and then calling emit_libcall_block
> 	ourselves.

This is OK.

If you feel enthusiastic you might look for other places that can use
the same idiom.

zw