On 12/10/2011 11:26, Simon Marlow wrote:
On 11/10/2011 18:45, David Peixotto wrote:
Ok, I have attached a set of patches to support building the GHC
runtime with llvm-gcc. The patches are based off of commit
29a97fded4010bd01aa0a17945c84258e285d421 which was last Friday's HEAD.
These patches are also available from my github repository on the
llvm-gcc branch at
git://github.com/dmpots/ghc.git
There are three patches:
0001- Uses pthread_getspecific and pthread_setspecfic to
access gct when the `llvm_CC_FLAVOR` CPP macro is
set
0002- Modifies the configure scripts to set the
`llvm_CC_FLAVOR` macro when compiling with an llvm
based compile (either llvm-gcc or clang)
0003- Passes the gct variable as a parameter in the GC. This
change is parameterized with CPP macros so that it
is only in effect when compiling for an llvm-based
compiler.
The patches 0001 and 0002 provide the minimal support needed to build
GHC with llvm-gcc. The 0003 patch is there to limit the performance
hit we get by going through pthread functions to access the gct. I
think the 0001 and 0002 patches should not be very controversial, but
the 0003 patch is a more invasive change and perhaps Simon Marlow will
want to clean it up before it is applied.
Thanks, I'll take a look at these soon.
I committed the first two patches today, except that I skipped the
changes to StgCRun.c. They conflicted with some other changes in that
area, and I wasn't really sure what you were trying to do. Please take
a look and tell me if I've borked something.
Cheers,
Simon
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