[LLVMdev] Is it ok to nuke fpcmp and llvm-PerfectShuffle utils?

[Bob Wilson]

On May 7, 2014, at 10:02 AM, Alexey Samsonov <samsonov at google.com> wrote:

> 
> On Wed, May 7, 2014 at 8:28 AM, Hal Finkel <hfinkel at anl.gov> wrote:
> ----- Original Message -----
> > From: "Anton Korobeynikov" <anton at korobeynikov.info>
> > To: "Hal Finkel" <hfinkel at anl.gov>
> > Cc: "Alexey Samsonov" <samsonov at google.com>, "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu>
> > Sent: Thursday, May 1, 2014 1:56:04 AM
> > Subject: Re: [LLVMdev] Is it ok to nuke fpcmp and llvm-PerfectShuffle utils?
> >
> > >> Ouch, indeed... Is it ok it has no build rules?
> > >
> > > I think that it should have build rules. If nothing else, can you
> > > file a bug report on this?
> > It is building using configure + make. In good old days the perfect
> > shuffle tables for PPC were generated through the normal build
> > process
> > like .td files. However, this was pretty useless - they do not change
> > and thus perfectshuffle was excluded from the build process.
> 
> Agreed, but even if it is not built by default, we should have build rules for it; and given that more users and developers are moving to cmake-based builds, we should have build rules in cmake too.
> 
> I've added it to CMake build in r208225.
> 
> What about fpcmp binary? Does anyone still use it?

It is still used in the test-suite.

>From Makefile.rules:

FPCMP     = $(PROJ_OBJ_ROOT)/tools/fpcmp

and from Makefile.programs:

# DIFFPROG - The program used to diff the output
DIFFPROG := $(PROGDIR)/DiffOutput.sh "$(FPCMP) $(TOLERANCEOPT)"
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