On 20/11/2018 18:00, Christoph Muellner wrote: > Tested with "make check" and no regressions found. > > This patch depends on the struct xgene1_prefetch_tune, > which has been acknowledged already: > https://gcc.gnu.org/ml/gcc-patches/2018-11/msg00985.html > > *** gcc/ChangeLog *** > > 2018-xx-xx Christoph Muellner <christoph.muell...@theobroma-system.com> > > * config/aarch64/aarch64-cores.def: Define emag. > * config/aarch64/aarch64-tune.md: Regenerated with emag. > * config/aarch64/aarch64.c (emag_tunings): New struct. > * doc/invoke.texi: Document mtune value.
OK. R. > > Signed-off-by: Christoph Muellner <christoph.muell...@theobroma-systems.com> > --- > gcc/config/aarch64/aarch64-cores.def | 3 +++ > gcc/config/aarch64/aarch64-tune.md | 2 +- > gcc/config/aarch64/aarch64.c | 25 +++++++++++++++++++++++++ > gcc/doc/invoke.texi | 2 +- > 4 files changed, 30 insertions(+), 2 deletions(-) > > diff --git a/gcc/config/aarch64/aarch64-cores.def > b/gcc/config/aarch64/aarch64-cores.def > index 1f3ac56..68cca00 100644 > --- a/gcc/config/aarch64/aarch64-cores.def > +++ b/gcc/config/aarch64/aarch64-cores.def > @@ -61,6 +61,9 @@ AARCH64_CORE("thunderxt88", thunderxt88, thunderx, 8A, > AARCH64_FL_FOR_ARCH > AARCH64_CORE("thunderxt81", thunderxt81, thunderx, 8A, > AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, thunderx, 0x43, > 0x0a2, -1) > AARCH64_CORE("thunderxt83", thunderxt83, thunderx, 8A, > AARCH64_FL_FOR_ARCH8 | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, thunderx, 0x43, > 0x0a3, -1) > > +/* Ampere Computing cores. */ > +AARCH64_CORE("emag", emag, xgene1, 8A, AARCH64_FL_FOR_ARCH8 > | AARCH64_FL_CRC | AARCH64_FL_CRYPTO, emag, 0x50, 0x000, 3) > + > /* APM ('P') cores. */ > AARCH64_CORE("xgene1", xgene1, xgene1, 8A, AARCH64_FL_FOR_ARCH8, > xgene1, 0x50, 0x000, -1) > > diff --git a/gcc/config/aarch64/aarch64-tune.md > b/gcc/config/aarch64/aarch64-tune.md > index fade1d4..2fc7f03 100644 > --- a/gcc/config/aarch64/aarch64-tune.md > +++ b/gcc/config/aarch64/aarch64-tune.md > @@ -1,5 +1,5 @@ > ;; -*- buffer-read-only: t -*- > ;; Generated automatically by gentune.sh from aarch64-cores.def > (define_attr "tune" > - > "cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,thunderxt81,thunderxt83,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,ares,tsv110,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55" > + > "cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,thunderxt81,thunderxt83,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,ares,tsv110,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55" > (const (symbol_ref "((enum attr_tune) aarch64_tune)"))) > diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c > index f7f88a9..995aafe 100644 > --- a/gcc/config/aarch64/aarch64.c > +++ b/gcc/config/aarch64/aarch64.c > @@ -957,6 +957,31 @@ static const struct tune_params xgene1_tunings = > &xgene1_prefetch_tune > }; > > +static const struct tune_params emag_tunings = > +{ > + &xgene1_extra_costs, > + &xgene1_addrcost_table, > + &xgene1_regmove_cost, > + &xgene1_vector_cost, > + &generic_branch_cost, > + &xgene1_approx_modes, > + 6, /* memmov_cost */ > + 4, /* issue_rate */ > + AARCH64_FUSE_NOTHING, /* fusible_ops */ > + "16", /* function_align. */ > + "16", /* jump_align. */ > + "16", /* loop_align. */ > + 2, /* int_reassoc_width. */ > + 4, /* fp_reassoc_width. */ > + 1, /* vec_reassoc_width. */ > + 2, /* min_div_recip_mul_sf. */ > + 2, /* min_div_recip_mul_df. */ > + 17, /* max_case_values. */ > + tune_params::AUTOPREFETCHER_OFF, /* autoprefetcher_model. */ > + (AARCH64_EXTRA_TUNE_NO_LDP_STP_QREGS), /* tune_flags. */ > + &xgene1_prefetch_tune > +}; > + > static const struct tune_params qdf24xx_tunings = > { > &qdf24xx_extra_costs, > diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi > index e016dce..ac81fb2 100644 > --- a/gcc/doc/invoke.texi > +++ b/gcc/doc/invoke.texi > @@ -15288,7 +15288,7 @@ Specify the name of the target processor for which > GCC should tune the > performance of the code. Permissible values for this option are: > @samp{generic}, @samp{cortex-a35}, @samp{cortex-a53}, @samp{cortex-a55}, > @samp{cortex-a57}, @samp{cortex-a72}, @samp{cortex-a73}, @samp{cortex-a75}, > -@samp{cortex-a76}, @samp{ares}, @samp{exynos-m1}, @samp{falkor}, > +@samp{cortex-a76}, @samp{ares}, @samp{exynos-m1}, @samp{emag}, @samp{falkor}, > @samp{qdf24xx}, @samp{saphira}, @samp{phecda}, @samp{xgene1}, @samp{vulcan}, > @samp{thunderx}, @samp{thunderxt88}, @samp{thunderxt88p1}, > @samp{thunderxt81}, > @samp{tsv110}, @samp{thunderxt83}, @samp{thunderx2t99}, >