This is the mail archive of the mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [SPARC] access to atomic compare-and-swap on LEON3

Hi Eric,

Thank you very much for your work. I will test it ASAP

Best Regards
在 2013-8-9,下午5:06,Eric Botcazou <> 写道:

> This enables access to the atomic compare-and-swap on LEON3 in conjunction with 
> the binutils patch at:
> Tested on SPARC/Solaris and sparc-elf, applied on the mainline.
> 2013-08-09  Eric Botcazou  <>
> 	* Add GAS check for LEON instructions on SPARC.
> 	* configure: Regenerate.
> 	* Likewise.
> 	* config.gcc (with_cpu): Remove sparc-leon*-* and deal with LEON in the
> 	sparc*-*-* block.
> 	* config/sparc/sparc.opt (LEON, LEON3): New masks.
> 	* config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Set to AS_LEON_FLAG
> 	for LEON or LEON3.
> 	(ASM_CPU_SPEC): Pass AS_LEON_FLAG if -mcpu=leon or -mcpu=leon3.
> 	(AS_LEON_FLAG): New macro.
> 	* config/sparc/sparc.c (sparc_option_override): Set MASK_LEON for leon
> 	and MASK_LEON3 for leon3 and unset them if HAVE_AS_LEON is not defined.
> 	Deal with LEON and LEON3 for the memory model.
> 	* config/sparc/sync.m (atomic_compare_and_swap<mode>): Enable for LEON3
> 	(atomic_compare_and_swap<mode>_1): Likewise.
> 	(*atomic_compare_and_swap<mode>_1): Likewise.
> -- 
> Eric Botcazou
> <p.diff>

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]