[llvm] 5d6d8a2 - [RISCV] Add SiFive cores to the CPU option
Evandro Menezes via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 5 14:04:47 PDT 2020
Author: Evandro Menezes
Date: 2020-10-05T15:50:57-05:00
New Revision: 5d6d8a2769b3a91fd65b125c2cda64ea27a894bf
URL: https://github.com/llvm/llvm-project/commit/5d6d8a2769b3a91fd65b125c2cda64ea27a894bf
DIFF: https://github.com/llvm/llvm-project/commit/5d6d8a2769b3a91fd65b125c2cda64ea27a894bf.diff
LOG: [RISCV] Add SiFive cores to the CPU option
Add the SiFive cores E76 and U74 using the SiFive 7 series microarchitecture.
Differential Revision: https://reviews.llvm.org/D88759
Added:
Modified:
clang/test/Driver/riscv-cpus.c
clang/test/Misc/target-invalid-cpu-note.c
llvm/include/llvm/Support/RISCVTargetParser.def
llvm/lib/Target/RISCV/RISCV.td
Removed:
################################################################################
diff --git a/clang/test/Driver/riscv-cpus.c b/clang/test/Driver/riscv-cpus.c
index 15cd212e4fb4..2bd0b26f3caf 100644
--- a/clang/test/Driver/riscv-cpus.c
+++ b/clang/test/Driver/riscv-cpus.c
@@ -7,12 +7,12 @@
// MCPU-ROCKET64: "-nostdsysteminc" "-target-cpu" "rocket-rv64"
// MCPU-ROCKET64: "-target-feature" "+64bit"
-// RUN: %clang -target riscv32 -### -c %s 2>&1 -mcpu=bullet-rv32 | FileCheck -check-prefix=MCPU-BULLET32 %s
-// MCPU-BULLET32: "-nostdsysteminc" "-target-cpu" "bullet-rv32"
+// RUN: %clang -target riscv32 -### -c %s 2>&1 -mcpu=sifive-7-rv32 | FileCheck -check-prefix=MCPU-SIFIVE7-32 %s
+// MCPU-SIFIVE7-32: "-nostdsysteminc" "-target-cpu" "sifive-7-rv32"
-// RUN: %clang -target riscv64 -### -c %s 2>&1 -mcpu=bullet-rv64 | FileCheck -check-prefix=MCPU-BULLET64 %s
-// MCPU-BULLET64: "-nostdsysteminc" "-target-cpu" "bullet-rv64"
-// MCPU-BULLET64: "-target-feature" "+64bit"
+// RUN: %clang -target riscv64 -### -c %s 2>&1 -mcpu=sifive-7-rv64 | FileCheck -check-prefix=MCPU-SIFIVE7-64 %s
+// MCPU-SIFIVE7-64: "-nostdsysteminc" "-target-cpu" "sifive-7-rv64"
+// MCPU-SIFIVE7-64: "-target-feature" "+64bit"
// mcpu with default march
// RUN: %clang -target riscv64 -### -c %s 2>&1 -mcpu=sifive-u54 | FileCheck -check-prefix=MCPU-SIFIVE-U54 %s
@@ -28,6 +28,20 @@
// MCPU-ABI-SIFIVE-U54: "-target-feature" "+c" "-target-feature" "+64bit"
// MCPU-ABI-SIFIVE-U54: "-target-abi" "lp64"
+// mcpu with default march
+// RUN: %clang -target riscv64 -### -c %s 2>&1 -mcpu=sifive-e76 | FileCheck -check-prefix=MCPU-SIFIVE-E76 %s
+// MCPU-SIFIVE-E76: "-nostdsysteminc" "-target-cpu" "sifive-e76"
+// MCPU-SIFIVE-E76: "-target-feature" "+m" "-target-feature" "+a" "-target-feature" "+f" "-target-feature" "+d"
+// MCPU-SIFIVE-E76: "-target-feature" "+c"
+// MCPU-SIFIVE-E76: "-target-abi" "lp64d"
+
+// mcpu with mabi option
+// RUN: %clang -target riscv64 -### -c %s 2>&1 -mcpu=sifive-u74 -mabi=lp64 | FileCheck -check-prefix=MCPU-ABI-SIFIVE-U74 %s
+// MCPU-ABI-SIFIVE-U74: "-nostdsysteminc" "-target-cpu" "sifive-u74"
+// MCPU-ABI-SIFIVE-U74: "-target-feature" "+m" "-target-feature" "+a" "-target-feature" "+f" "-target-feature" "+d"
+// MCPU-ABI-SIFIVE-U74: "-target-feature" "+c" "-target-feature" "+64bit"
+// MCPU-ABI-SIFIVE-U74: "-target-abi" "lp64"
+
// march overwrite mcpu's default march
// RUN: %clang -target riscv32 -### -c %s 2>&1 -mcpu=sifive-e31 -march=rv32imc | FileCheck -check-prefix=MCPU-MARCH %s
// MCPU-MARCH: "-nostdsysteminc" "-target-cpu" "sifive-e31" "-target-feature" "+m" "-target-feature" "+c"
diff --git a/clang/test/Misc/target-invalid-cpu-note.c b/clang/test/Misc/target-invalid-cpu-note.c
index efcecbbc4726..309cb637c0c5 100644
--- a/clang/test/Misc/target-invalid-cpu-note.c
+++ b/clang/test/Misc/target-invalid-cpu-note.c
@@ -191,8 +191,8 @@
// RUN: not %clang_cc1 -triple riscv32 -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix RISCV32
// RISCV32: error: unknown target CPU 'not-a-cpu'
-// RISCV32: note: valid target CPU values are: generic-rv32, rocket-rv32, bullet-rv32, sifive-e31
+// RISCV32: note: valid target CPU values are: generic-rv32, rocket-rv32, sifive-7-rv32, sifive-e31, sifive-e76
// 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: note: valid target CPU values are: generic-rv64, rocket-rv64, bullet-rv64, sifive-u54
+// RISCV64: note: valid target CPU values are: generic-rv64, rocket-rv64, sifive-7-rv64, sifive-u54, sifive-u74
diff --git a/llvm/include/llvm/Support/RISCVTargetParser.def b/llvm/include/llvm/Support/RISCVTargetParser.def
index e6003a4fdebb..a63874fa5dd0 100644
--- a/llvm/include/llvm/Support/RISCVTargetParser.def
+++ b/llvm/include/llvm/Support/RISCVTargetParser.def
@@ -7,9 +7,11 @@ PROC(GENERIC_RV32, {"generic-rv32"}, FK_NONE, {""})
PROC(GENERIC_RV64, {"generic-rv64"}, FK_64BIT, {""})
PROC(ROCKET_RV32, {"rocket-rv32"}, FK_NONE, {""})
PROC(ROCKET_RV64, {"rocket-rv64"}, FK_64BIT, {""})
-PROC(BULLET_RV32, {"bullet-rv32"}, FK_NONE, {""})
-PROC(BULLET_RV64, {"bullet-rv64"}, FK_64BIT, {""})
+PROC(BULLET_RV32, {"sifive-7-rv32"}, FK_NONE, {""})
+PROC(BULLET_RV64, {"sifive-7-rv64"}, FK_64BIT, {""})
PROC(SIFIVE_E31, {"sifive-e31"}, FK_NONE, {"rv32imac"})
PROC(SIFIVE_U54, {"sifive-u54"}, FK_64BIT, {"rv64gc"})
+PROC(SIFIVE_E76, {"sifive-e76"}, FK_NONE, {"rv32imafc"})
+PROC(SIFIVE_U74, {"sifive-u74"}, FK_64BIT, {"rv64gc"})
#undef PROC
diff --git a/llvm/lib/Target/RISCV/RISCV.td b/llvm/lib/Target/RISCV/RISCV.td
index 240dad1ed5ca..1b2c471faac8 100644
--- a/llvm/lib/Target/RISCV/RISCV.td
+++ b/llvm/lib/Target/RISCV/RISCV.td
@@ -228,8 +228,8 @@ def : ProcessorModel<"generic-rv64", NoSchedModel, [Feature64Bit]>;
def : ProcessorModel<"rocket-rv32", RocketModel, []>;
def : ProcessorModel<"rocket-rv64", RocketModel, [Feature64Bit]>;
-def : ProcessorModel<"bullet-rv32", BulletModel, []>;
-def : ProcessorModel<"bullet-rv64", BulletModel, [Feature64Bit]>;
+def : ProcessorModel<"sifive-7-rv32", BulletModel, []>;
+def : ProcessorModel<"sifive-7-rv64", BulletModel, [Feature64Bit]>;
def : ProcessorModel<"sifive-e31", RocketModel, [FeatureStdExtM,
FeatureStdExtA,
@@ -242,6 +242,18 @@ def : ProcessorModel<"sifive-u54", RocketModel, [Feature64Bit,
FeatureStdExtD,
FeatureStdExtC]>;
+def : ProcessorModel<"sifive-e76", BulletModel, [FeatureStdExtM,
+ FeatureStdExtA,
+ FeatureStdExtF,
+ FeatureStdExtC]>;
+
+def : ProcessorModel<"sifive-u74", BulletModel, [Feature64Bit,
+ FeatureStdExtM,
+ FeatureStdExtA,
+ FeatureStdExtF,
+ FeatureStdExtD,
+ FeatureStdExtC]>;
+
//===----------------------------------------------------------------------===//
// Define the RISC-V target.
//===----------------------------------------------------------------------===//
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