svn commit: r275564 - head/sys/arm/arm

[Dimitry Andric]

On 06 Dec 2014, at 12:59, Andrew Turner <andrew at 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?

-Dimitry

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