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Re: x86-64 support for gas part I
- To: Richard Henderson <rth at redhat dot com>
- Subject: Re: x86-64 support for gas part I
- From: Alan Modra <alan at linuxcare dot com dot au>
- Date: Wed, 20 Dec 2000 09:46:52 +1100 (EST)
- cc: Jan Hubicka <jh at suse dot cz>, binutils at sourceware dot cygnus dot com, patches at x86-64 dot org
On Tue, 19 Dec 2000, Richard Henderson wrote:
> On Tue, Dec 19, 2000 at 12:18:51PM +1100, Alan Modra wrote:
> > > ! disp = (((disp & 0xffffffff) ^ 0x80000000) - 0x80000000);
> >
> > Constants in range 0x80000000 to 0xffffffff here need fixing.
>
> No, this one's fine. Either it's a 64-bit machine and the
> sign extension happens as planned, or it's a no-op.
No, we're worried about compiling on 32-bit machines with BFD64, and both
with old K&R compilers and ISO C compilers.
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