http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-19 13:06:19 UTC --- (In reply to comment #1) > (In reply to comment #0) > > > Many lea insns can be combined with the load/store insn followed. > > No, these are leal insns, they have inherent zero_extend from SImode and they > clear upper 32bits before address is passed to load/store insn. There are 2 ways to address this: 1. Use addr_32 prefix. 2. If address wrap-around is ignored, we can use the address as is.
