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[Bug target/49860] [x32] Error: cannot represent relocation type BFD_RELOC_64 in x32 mode


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49860

--- Comment #7 from Uros Bizjak <ubizjak at gmail dot com> 2011-07-27 16:04:47 UTC ---
(In reply to comment #6)

> > > This testcase is about valid address for x86_64_immediate_operand
> > > and x86_64_zext_immediate_operand.  If it is valid for TARGET_32BIT,
> > > it should be valid for TARGET_X32.
> > 
> > (define_predicate "x86_64_immediate_operand"
> >   (match_code "const_int,symbol_ref,label_ref,const")
> > {
> >   if (!TARGET_64BIT)
> >     return immediate_operand (op, mode);
> >   ...
> 
> X32 != LP64.

i686   = TARGET_32BIT
x32    = TARGET_64BIT
x86_64 = TARGET_64BIT

> > This is artificial limitation.
> 
> Those generated codes aren't very efficient for x32. There is
> a problem somewhere.

It is *movdi_internal_rex64. But you can't change it. It must handle all
immediate_operands.


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