On Sat, 6 Dec 2014 16:15:55 +0100
Dimitry Andric <d...@freebsd.org> wrote:

> On 06 Dec 2014, at 12:59, Andrew Turner <and...@freebsd.org> wrote:
> > 
> > Author: andrew
> > Date: Sat Dec  6 11:59:35 2014
> > New Revision: 275564
> > URL: https://svnweb.freebsd.org/changeset/base/275564
> > 
> > Log:
> >  Use the unified syntax when generating assembly for clang. The
> > clang 3.5 integrated assembler only accepts it.
> > 
> >  MFC after: 1 week
> >  Sponsored by:      ABT Systems Ltd
> > 
> > Modified:
> >  head/sys/arm/arm/stdatomic.c
> > 
> > Modified: head/sys/arm/arm/stdatomic.c
> > ==============================================================================
> > --- head/sys/arm/arm/stdatomic.c    Sat Dec  6 10:05:07
> > 2014        (r275563) +++ head/sys/arm/arm/stdatomic.c      Sat
> > Dec  6 11:59:35 2014        (r275564) @@ -850,8 +850,13 @@
> > EMIT_FETCH_AND_OP_N(N, uintN_t, ldr, str EMIT_FETCH_AND_OP_N(N,
> > uintN_t, ldr, str, fetch_and_sub, "sub")            \
> > EMIT_FETCH_AND_OP_N(N, uintN_t, ldr, str, fetch_and_xor, "eor")
> > 
> > +#ifdef __clang__
> > +EMIT_ALL_OPS_N(1, uint8_t, "ldrb", "strb", "strbeq")
> > +EMIT_ALL_OPS_N(2, uint16_t, "ldrh", "strh", "strheq")
> > +#else
> > EMIT_ALL_OPS_N(1, uint8_t, "ldrb", "strb", "streqb")
> > EMIT_ALL_OPS_N(2, uint16_t, "ldrh", "strh", "streqh")
> > +#endif
> > EMIT_ALL_OPS_N(4, uint32_t, "ldr", "str", "streq")
> 
> I already had this change in the clang350-import project branch, but
> unconditional.  Should we just not standardize on the unified syntax,
> so all these ifdefs can be avoided?

Unfortunately gcc 4.2 doesn't produce unified syntax so we need to have
both here. Without this the armeb build failed for me.

Andrew
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