On 03/09/2014 04:02 AM, Sebastian Huber wrote:
> #endif
> +#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
> +case 0x3c: /* V9 or LEON3 casa */
> +CHECK_IU_FEATURE(dc, CASA);
> +#ifndef TARGET_SPARC64
> +if (IS_IMM) {
> +
On 09/03/14 11:02, Sebastian Huber wrote:
The LEON3 processor has support for the CASA instruction which is
normally only available for SPARC V9 processors. Binutils 2.24
and GCC 4.9 will support this instruction for LEON3. GCC uses it to
generate C11 atomic operations.
The CAS synthetic instru
The LEON3 processor has support for the CASA instruction which is
normally only available for SPARC V9 processors. Binutils 2.24
and GCC 4.9 will support this instruction for LEON3. GCC uses it to
generate C11 atomic operations.
The CAS synthetic instruction uses an ASI of 0x80. If TARGET_SPARC64
