On 11/13/20 1:07 PM, Dimitar Dimitrov wrote:
> Add builtins for HALT and LMBD, per Texas Instruments document
> SPRUHV7C. Use the new LMBD pattern to define an expand for clz.
>
> Binutils [1] and sim [2] support for LMBD instruction are merged now.
>
> [1] https://sourceware.org/pipermail/binutils/2020-October/113901.html
> [2] https://sourceware.org/pipermail/gdb-patches/2020-November/173141.html
>
> gcc/ChangeLog:
>
> * config/pru/alu-zext.md: Add lmbd patterns for zero_extend
> variants.
> * config/pru/pru.c (enum pru_builtin): Add HALT and LMBD.
> (pru_init_builtins): Ditto.
> (pru_builtin_decl): Ditto.
> (pru_expand_builtin): Ditto.
> * config/pru/pru.h (CLZ_DEFINED_VALUE_AT_ZERO): Define PRU
> value for CLZ with zero value parameter.
> * config/pru/pru.md: Add halt, lmbd and clz patterns.
> * doc/extend.texi: Document PRU builtins.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/pru/halt.c: New test.
> * gcc.target/pru/lmbd.c: New test.
OK. Please commit if you haven't already.
Thanks,
jeff
