On Wed, Jul 27, 2011 at 3:00 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
>> Pmode is still in DImode and DImode addresses are *valid* addresses. >> For the testcase from PR, >> expand generates SImode symbol that is later extended to DImode and >> handled through movabs. >> >> Your patch just papers over this fact. Please see how >> *movdi_internal_rex64 handles immediates. >> > > For the testcase in: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49860 > > my goal is to make TARGET_X32 to generate code very similar to > TARGET_32BIT, except for r8-r15. How can we achieve that? Unless you can prevent DImode symbols in ix86_legitimate_constant_p, we can't. Uros.
