[clang] [llvm] [RISCV] Add processor definition for XiangShan-NanHu (PR #70294)

Yingwei Zheng via cfe-commits cfe-commits at lists.llvm.org
Wed Nov 1 00:57:28 PDT 2023


https://github.com/dtcxzyw updated https://github.com/llvm/llvm-project/pull/70294

>From 1222b8bda348af58f4921a45d8cddca726875bb9 Mon Sep 17 00:00:00 2001
From: Yingwei Zheng <dtcxzyw2333 at gmail.com>
Date: Thu, 26 Oct 2023 13:47:39 +0800
Subject: [PATCH 1/2] [RISCV] Add processor definition for XiangShan-NanHu

Co-authored-by: SForeKeeper <zkliu6 at gmail.com>
---
 clang/test/Driver/riscv-cpus.c            | 14 ++++++++++++++
 clang/test/Misc/target-invalid-cpu-note.c |  4 ++--
 llvm/lib/Target/RISCV/RISCVProcessors.td  | 21 +++++++++++++++++++++
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/clang/test/Driver/riscv-cpus.c b/clang/test/Driver/riscv-cpus.c
index 3eaceedce685fc6..70f0a63336bd478 100644
--- a/clang/test/Driver/riscv-cpus.c
+++ b/clang/test/Driver/riscv-cpus.c
@@ -20,6 +20,17 @@
 // MCPU-SYNTACORE-SCR1-MAX: "-target-feature" "+zicsr" "-target-feature" "+zifencei"
 // MCPU-SYNTACORE-SCR1-MAX: "-target-abi" "ilp32"
 
+// RUN: %clang --target=riscv64 -### -c %s 2>&1 -mcpu=xiangshan-nanhu | FileCheck -check-prefix=MCPU-XIANGSHAN-NANHU %s
+// MCPU-XIANGSHAN-NANHU: "-nostdsysteminc" "-target-cpu" "xiangshan-nanhu"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+m" "-target-feature" "+a" "-target-feature" "+f" "-target-feature" "+d"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+c"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zicbom" "-target-feature" "+zicboz" "-target-feature" "+zicsr" "-target-feature" "+zifencei"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zba" "-target-feature" "+zbb" "-target-feature" "+zbc"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zbkb" "-target-feature" "+zbkc" "-target-feature" "+zbkx" "-target-feature" "+zbs"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zkn" "-target-feature" "+zknd" "-target-feature" "+zkne" "-target-feature" "+zknh"
+// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zks" "-target-feature" "+zksed" "-target-feature" "+zksh" "-target-feature" "+svinval"
+// MCPU-XIANGSHAN-NANHU: "-target-abi" "lp64d"
+
 // We cannot check much for -mcpu=native, but it should be replaced by a valid CPU string.
 // RUN: %clang --target=riscv64 -### -c %s -mcpu=native 2> %t.err || true
 // RUN: FileCheck --input-file=%t.err -check-prefix=MCPU-NATIVE %s
@@ -62,6 +73,9 @@
 // RUN: %clang --target=riscv64 -### -c %s 2>&1 -mtune=veyron-v1 | FileCheck -check-prefix=MTUNE-VEYRON-V1 %s
 // MTUNE-VEYRON-V1: "-tune-cpu" "veyron-v1"
 
+// RUN: %clang --target=riscv64 -### -c %s 2>&1 -mtune=xiangshan-nanhu | FileCheck -check-prefix=MTUNE-XIANGSHAN-NANHU %s
+// MTUNE-XIANGSHAN-NANHU: "-tune-cpu" "xiangshan-nanhu"
+
 // Check mtune alias CPU has resolved to the right CPU according XLEN.
 // RUN: %clang --target=riscv32 -### -c %s 2>&1 -mtune=generic | FileCheck -check-prefix=MTUNE-GENERIC-32 %s
 // MTUNE-GENERIC-32: "-tune-cpu" "generic"
diff --git a/clang/test/Misc/target-invalid-cpu-note.c b/clang/test/Misc/target-invalid-cpu-note.c
index b2a04ebdbce628f..8e91eb4c62dd259 100644
--- a/clang/test/Misc/target-invalid-cpu-note.c
+++ b/clang/test/Misc/target-invalid-cpu-note.c
@@ -85,7 +85,7 @@
 
 // RUN: not %clang_cc1 -triple riscv64 -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix RISCV64
 // RISCV64: error: unknown target CPU 'not-a-cpu'
-// RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1{{$}}
+// RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, xiangshan-nanhu{{$}}
 
 // RUN: not %clang_cc1 -triple riscv32 -tune-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix TUNE-RISCV32
 // TUNE-RISCV32: error: unknown target CPU 'not-a-cpu'
@@ -93,4 +93,4 @@
 
 // RUN: not %clang_cc1 -triple riscv64 -tune-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix TUNE-RISCV64
 // TUNE-RISCV64: error: unknown target CPU 'not-a-cpu'
-// TUNE-RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, generic, rocket, sifive-7-series{{$}}
+// TUNE-RISCV64-NEXT: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-s21, sifive-s51, sifive-s54, sifive-s76, sifive-u54, sifive-u74, sifive-x280, veyron-v1, xiangshan-nanhu, generic, rocket, sifive-7-series{{$}}
diff --git a/llvm/lib/Target/RISCV/RISCVProcessors.td b/llvm/lib/Target/RISCV/RISCVProcessors.td
index 5465e0c998ca6f8..a3dbcda3638f8f4 100644
--- a/llvm/lib/Target/RISCV/RISCVProcessors.td
+++ b/llvm/lib/Target/RISCV/RISCVProcessors.td
@@ -244,3 +244,24 @@ def VENTANA_VEYRON_V1 : RISCVProcessorModel<"veyron-v1",
                                              FeatureStdExtZicboz,
                                              FeatureVendorXVentanaCondOps],
                                              [TuneVentanaVeyron]>;
+
+def XIANGSHAN_NANHU : RISCVProcessorModel<"xiangshan-nanhu",
+                                          NoSchedModel,
+                                          [Feature64Bit,
+                                           FeatureStdExtZicsr,
+                                           FeatureStdExtZifencei,
+                                           FeatureStdExtM,
+                                           FeatureStdExtA,
+                                           FeatureStdExtF,
+                                           FeatureStdExtD,
+                                           FeatureStdExtC,
+                                           FeatureStdExtZba,
+                                           FeatureStdExtZbb,
+                                           FeatureStdExtZbc,
+                                           FeatureStdExtZbs,
+                                           FeatureStdExtZkn,
+                                           FeatureStdExtZksed,
+                                           FeatureStdExtZksh,
+                                           FeatureStdExtSvinval,
+                                           FeatureStdExtZicbom,
+                                           FeatureStdExtZicboz]>;

>From 39263589069e6fc2b8b0c813efffe48b4109bbf0 Mon Sep 17 00:00:00 2001
From: Yingwei Zheng <dtcxzyw2333 at gmail.com>
Date: Thu, 26 Oct 2023 16:48:35 +0800
Subject: [PATCH 2/2] fixup! [RISCV] Add processor definition for
 XiangShan-NanHu

---
 clang/test/Driver/riscv-cpus.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/clang/test/Driver/riscv-cpus.c b/clang/test/Driver/riscv-cpus.c
index 70f0a63336bd478..6c31282d0c8d49c 100644
--- a/clang/test/Driver/riscv-cpus.c
+++ b/clang/test/Driver/riscv-cpus.c
@@ -22,14 +22,14 @@
 
 // RUN: %clang --target=riscv64 -### -c %s 2>&1 -mcpu=xiangshan-nanhu | FileCheck -check-prefix=MCPU-XIANGSHAN-NANHU %s
 // MCPU-XIANGSHAN-NANHU: "-nostdsysteminc" "-target-cpu" "xiangshan-nanhu"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+m" "-target-feature" "+a" "-target-feature" "+f" "-target-feature" "+d"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+c"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zicbom" "-target-feature" "+zicboz" "-target-feature" "+zicsr" "-target-feature" "+zifencei"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zba" "-target-feature" "+zbb" "-target-feature" "+zbc"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zbkb" "-target-feature" "+zbkc" "-target-feature" "+zbkx" "-target-feature" "+zbs"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zkn" "-target-feature" "+zknd" "-target-feature" "+zkne" "-target-feature" "+zknh"
-// MCPU-XIANGSHAN-NANHU: "-target-feature" "+zks" "-target-feature" "+zksed" "-target-feature" "+zksh" "-target-feature" "+svinval"
-// MCPU-XIANGSHAN-NANHU: "-target-abi" "lp64d"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+m" "-target-feature" "+a" "-target-feature" "+f" "-target-feature" "+d"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+c"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+zicbom" "-target-feature" "+zicboz" "-target-feature" "+zicsr" "-target-feature" "+zifencei"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+zba" "-target-feature" "+zbb" "-target-feature" "+zbc"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+zbkb" "-target-feature" "+zbkc" "-target-feature" "+zbkx" "-target-feature" "+zbs"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+zkn" "-target-feature" "+zknd" "-target-feature" "+zkne" "-target-feature" "+zknh"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-feature" "+zks" "-target-feature" "+zksed" "-target-feature" "+zksh" "-target-feature" "+svinval"
+// MCPU-XIANGSHAN-NANHU-SAME: "-target-abi" "lp64d"
 
 // We cannot check much for -mcpu=native, but it should be replaced by a valid CPU string.
 // RUN: %clang --target=riscv64 -### -c %s -mcpu=native 2> %t.err || true



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