Ping.
On 12/10/20 3:32 PM, Pat Haugen via Gcc-patches wrote:
> Update prefixed attribute for Power10.
>
>
> This patch was broken out from my larger patch to update various attributes
> for
> Power10, in order to make the review process hopefully easier. This patch only
> updates the prefix attribute for various new instructions. Changes in this
> version include missed updates to rs6000_insn_cost and
> rs6000_adjust_insn_length. I stayed with the new 'always' keyword but added
> additional commentary so hopefully is more clear.
>
> Bootstrap/regtest on powerpc64le (Power8/Power10) with no new regressions. Ok
> for trunk?
>
> -Pat
>
>
> 2020-11-10 Pat Haugen <pthau...@linux.ibm.com>
>
> gcc/
> * config/rs6000/altivec.md (xxspltiw_v4si, xxspltiw_v4sf_inst,
> xxspltidp_v2df_inst, xxsplti32dx_v4si_inst, xxsplti32dx_v4sf_inst,
> xxblend_<mode>, xxpermx_inst, xxeval): Mark prefixed "always".
> * config/rs6000/mma.md (mma_<vvi4i4i8>, mma_<avvi4i4i8>,
> mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
> mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
> Likewise.
> * config/rs6000/rs6000.c (rs6000_insn_cost): Update test for prefixed
> insn.
> (next_insn_prefixed_p): Rename to prefix_next_insn_p.
> (rs6000_final_prescan_insn): Only add 'p' for PREFIXED_YES.
> (rs6000_asm_output_opcode): Adjust.
> (rs6000_adjust_insn_length): Update test for prefixed insns.
> * config/rs6000/rs6000.md (define_attr "prefixed"): Add 'always'
> and update commentary.
>
