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aarch64: Add A64FX machine model

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This patch add support for Fujitsu A64FX, as the first step of adding
A64FX machine model.

A64FX is used in FUJITSU Supercomputer PRIMEHPC FX1000,
PRIMEHPC FX700, and supercomputer Fugaku.
The official microarchitecture information of A64FX can be read at
https://github.com/fujitsu/A64FX.

2020-08-03  Qian jianhua  <qianjh@cn.fujitsu.com>

gcc/
	* config/aarch64/aarch64-cores.def (a64fx): New core.
	* config/aarch64/aarch64-tune.md: Regenerated.
	* config/aarch64/aarch64.c (a64fx_prefetch_tune, a64fx_tunings): New.
	* doc/invoke.texi: Add a64fx to the list.
This commit is contained in:
Qian Jianhua 2020-08-03 14:01:40 +01:00 committed by Richard Sandiford
parent 919c9d4bd3
commit 02f21aea06
4 changed files with 42 additions and 1 deletions
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3
gcc/config/aarch64/aarch64-cores.def
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@ -119,6 +119,9 @@ AARCH64_CORE("octeontx2f95", octeontx2f95, cortexa57, 8_2A, AARCH64_FL_FOR_
AARCH64_CORE("octeontx2f95n", octeontx2f95n, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_CRYPTO | AARCH64_FL_PROFILE, cortexa57, 0x43, 0x0b4, -1)
AARCH64_CORE("octeontx2f95mm", octeontx2f95mm, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_CRYPTO | AARCH64_FL_PROFILE, cortexa57, 0x43, 0x0b5, -1)
/* Fujitsu ('F') cores. */
AARCH64_CORE("a64fx", a64fx, a64fx, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_SVE, a64fx, 0x46, 0x001, -1)
/* HiSilicon ('H') cores. */
AARCH64_CORE("tsv110", tsv110, tsv110, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_CRYPTO | AARCH64_FL_F16 | AARCH64_FL_AES | AARCH64_FL_SHA2, tsv110, 0x48, 0xd01, -1)

2
gcc/config/aarch64/aarch64-tune.md
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@ -1,5 +1,5 @@
;; -*- buffer-read-only: t -*-
;; Generated automatically by gentune.sh from aarch64-cores.def
(define_attr "tune"
"cortexa34,cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunderxt81,thunderxt83,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,cortexa76ae,cortexa77,cortexa65,cortexa65ae,ares,neoversen1,neoversee1,octeontx2,octeontx2t98,octeontx2t96,octeontx2t93,octeontx2f95,octeontx2f95n,octeontx2f95mm,tsv110,thunderx3t110,zeus,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55"
"cortexa34,cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunderxt81,thunderxt83,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,cortexa76ae,cortexa77,cortexa65,cortexa65ae,ares,neoversen1,neoversee1,octeontx2,octeontx2t98,octeontx2t96,octeontx2t93,octeontx2f95,octeontx2f95n,octeontx2f95mm,a64fx,tsv110,thunderx3t110,zeus,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55"
(const (symbol_ref "((enum attr_tune) aarch64_tune)")))

37
gcc/config/aarch64/aarch64.c
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@ -868,6 +868,17 @@ static const cpu_prefetch_tune xgene1_prefetch_tune =
-1 /* default_opt_level */
};
static const cpu_prefetch_tune a64fx_prefetch_tune =
{
8, /* num_slots */
64, /* l1_cache_size */
256, /* l1_cache_line_size */
32768, /* l2_cache_size */
true, /* prefetch_dynamic_strides */
-1, /* minimum_stride */
-1 /* default_opt_level */
};
static const struct tune_params generic_tunings =
{
&cortexa57_extra_costs,
@ -1325,6 +1336,32 @@ static const struct tune_params neoversen1_tunings =
&generic_prefetch_tune
};
static const struct tune_params a64fx_tunings =
{
&generic_extra_costs,
&generic_addrcost_table,
&generic_regmove_cost,
&generic_vector_cost,
&generic_branch_cost,
&generic_approx_modes,
SVE_512, /* sve_width */
4, /* memmov_cost */
7, /* issue_rate */
(AARCH64_FUSE_AES_AESMC | AARCH64_FUSE_CMP_BRANCH), /* fusible_ops */
"32", /* function_align. */
"16", /* jump_align. */
"32", /* loop_align. */
4, /* int_reassoc_width. */
2, /* fp_reassoc_width. */
2, /* vec_reassoc_width. */
2, /* min_div_recip_mul_sf. */
2, /* min_div_recip_mul_df. */
0, /* max_case_values. */
tune_params::AUTOPREFETCHER_WEAK, /* autoprefetcher_model. */
(AARCH64_EXTRA_TUNE_NONE), /* tune_flags. */
&a64fx_prefetch_tune
};
/* Support for fine-grained override of the tuning structures. */
struct aarch64_tuning_override_function
{

1
gcc/doc/invoke.texi
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@ -17354,6 +17354,7 @@ performance of the code. Permissible values for this option are:
@samp{octeontx2}, @samp{octeontx2t98}, @samp{octeontx2t96}
@samp{octeontx2t93}, @samp{octeontx2f95}, @samp{octeontx2f95n},
@samp{octeontx2f95mm}
@samp{a64fx},
@samp{thunderx}, @samp{thunderxt88},
@samp{thunderxt88p1}, @samp{thunderxt81}, @samp{tsv110},
@samp{thunderxt83}, @samp{thunderx2t99}, @samp{thunderx3t110}, @samp{zeus},