[gcc r12-10116] AArch64: Add -mcpu=cobalt-100

[gcc r12-10116] AArch64: Add -mcpu=cobalt-100

[Wilco Dijkstra]

https://gcc.gnu.org/g:52dde3e8af9fac2e9c11ce5dfdad1f19546bbb64

commit r12-10116-g52dde3e8af9fac2e9c11ce5dfdad1f19546bbb64
Author: Wilco Dijkstra <wilco.dijkstra@arm.com>
Date:   Thu Jan 25 16:10:05 2024 +0000

    AArch64: Add -mcpu=cobalt-100
    
    Add support for -mcpu=cobalt-100 (Neoverse N2 with a different implementer ID).
    
    gcc/ChangeLog:
            * config/aarch64/aarch64-cores.def (AARCH64_CORE): Add 'cobalt-100' CPU.
            * config/aarch64/aarch64-tune.md: Regenerated.
            * doc/invoke.texi (-mcpu): Add cobalt-100 core.
    
    (cherry picked from commit a0d16e1c06e04c11d1eef9705036bad8ac1a11d4)

Diff:
---
 gcc/config/aarch64/aarch64-cores.def | 1 +
 gcc/config/aarch64/aarch64-tune.md   | 2 +-
 gcc/doc/invoke.texi                  | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def
index 70b11eb80445..30b5591f1a32 100644
--- a/gcc/config/aarch64/aarch64-cores.def
+++ b/gcc/config/aarch64/aarch64-cores.def
@@ -172,6 +172,7 @@ AARCH64_CORE("cortex-a710",  cortexa710, cortexa57, 9A,  AARCH64_FL_FOR_ARCH9 |
 AARCH64_CORE("cortex-x2",  cortexx2, cortexa57, 9A,  AARCH64_FL_FOR_ARCH9 | AARCH64_FL_SVE2_BITPERM | AARCH64_FL_MEMTAG | AARCH64_FL_I8MM | AARCH64_FL_BF16, neoversen2, 0x41, 0xd48, -1)
 
 AARCH64_CORE("neoverse-n2", neoversen2, cortexa57, 9A, AARCH64_FL_FOR_ARCH9 | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_SVE2_BITPERM | AARCH64_FL_RNG | AARCH64_FL_MEMTAG | AARCH64_FL_PROFILE, neoversen2, 0x41, 0xd49, -1)
+AARCH64_CORE("cobalt-100",   cobalt100, cortexa57, 9A, AARCH64_FL_FOR_ARCH9 | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_SVE2_BITPERM | AARCH64_FL_RNG | AARCH64_FL_MEMTAG | AARCH64_FL_PROFILE, neoversen2, 0x6d, 0xd49, -1)
 
 AARCH64_CORE("demeter", demeter, cortexa57, 9A, AARCH64_FL_FOR_ARCH9 | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_SVE2_BITPERM | AARCH64_FL_RNG | AARCH64_FL_MEMTAG | AARCH64_FL_PROFILE, neoversev2, 0x41, 0xd4f, -1)
 AARCH64_CORE("neoverse-v2", neoversev2, cortexa57, 9A, AARCH64_FL_FOR_ARCH9 | AARCH64_FL_I8MM | AARCH64_FL_BF16 | AARCH64_FL_SVE2_BITPERM | AARCH64_FL_RNG | AARCH64_FL_MEMTAG | AARCH64_FL_PROFILE, neoversev2, 0x41, 0xd4f, -1)
diff --git a/gcc/config/aarch64/aarch64-tune.md b/gcc/config/aarch64/aarch64-tune.md
index 9dc9adc70564..2c1852c8fe67 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"
-	"cortexa34,cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunderxt81,thunderxt83,ampere1,ampere1a,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,cortexa76ae,cortexa77,cortexa78,cortexa78ae,cortexa78c,cortexa65,cortexa65ae,cortexx1,ares,neoversen1,neoversee1,octeontx2,octeontx2t98,octeontx2t96,octeontx2t93,octeontx2f95,octeontx2f95n,octeontx2f95mm,a64fx,tsv110,thunderx3t110,zeus,neoversev1,neoverse512tvb,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55,cortexr82,cortexa510,cortexa710,cortexx2,neoversen2,demeter,neoversev2"
+	"cortexa34,cortexa35,cortexa53,cortexa57,cortexa72,cortexa73,thunderx,thunderxt88p1,thunderxt88,octeontx,octeontxt81,octeontxt83,thunderxt81,thunderxt83,ampere1,ampere1a,emag,xgene1,falkor,qdf24xx,exynosm1,phecda,thunderx2t99p1,vulcan,thunderx2t99,cortexa55,cortexa75,cortexa76,cortexa76ae,cortexa77,cortexa78,cortexa78ae,cortexa78c,cortexa65,cortexa65ae,cortexx1,ares,neoversen1,neoversee1,octeontx2,octeontx2t98,octeontx2t96,octeontx2t93,octeontx2f95,octeontx2f95n,octeontx2f95mm,a64fx,tsv110,thunderx3t110,zeus,neoversev1,neoverse512tvb,saphira,cortexa57cortexa53,cortexa72cortexa53,cortexa73cortexa35,cortexa73cortexa53,cortexa75cortexa55,cortexa76cortexa55,cortexr82,cortexa510,cortexa710,cortexx2,neoversen2,cobalt100,demeter,neoversev2"
 	(const (symbol_ref "((enum attr_tune) aarch64_tune)")))
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index f1599ba04ad2..f4fdd8e65096 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -19216,7 +19216,7 @@ performance of the code.  Permissible values for this option are:
 @samp{cortex-a75.cortex-a55}, @samp{cortex-a76.cortex-a55},
 @samp{cortex-r82}, @samp{cortex-x1}, @samp{cortex-x2},
 @samp{cortex-a510}, @samp{cortex-a710}, @samp{ampere1},
-@samp{ampere1a}, @samp{native}.
+@samp{ampere1a}, @samp{cobalt-100} and @samp{native}.
 
 The values @samp{cortex-a57.cortex-a53}, @samp{cortex-a72.cortex-a53},
 @samp{cortex-a73.cortex-a35}, @samp{cortex-a73.cortex-a53},