Hi Ian,
On Apr 9, 2007, at 12:21 PM, Ian Lynagh wrote:
With this patch, we are pretty close. However, there still seems
to be
something wrong with the splitter. I can make a working registerized
compiler if I set splitObjs=NO in build.mk, but it seems as if
whatever is
wrong with ghc-split shouldn't be too hard to fix.
I've glanced at ghc-split.lprl, but on what files is it invoked? Can
I run it from the command line on a file and see check what comes
out?
If you compile a module with
ghc -v -keep-tmp-files
then you should see the commandline it is using, and it should
leave the
files for you to examine, and rerun the commands on, afterwards.
I did this and immediately discovered that the problem is not with
ghc-split
but with ghc-asm. ".globl" directives are being deleted when they
shouldn't be.
This is somewhat reminiscent of bug #1167, except that it seems to
happen
far more frequently on amd64. Perhaps someone has an idea of the top
of their head for this one. I wouldn't be surprised if the fix for
this also
took care of the bug on the less loved linux-ppc platform.
Best Wishes.
Greg
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