r372080 - [RISCV] Add option aliases: -mcmodel=medany and -mcmodel=medlow
Kito Cheng via cfe-commits
cfe-commits at lists.llvm.org
Tue Sep 17 01:19:17 PDT 2019
Author: kito
Date: Tue Sep 17 01:19:17 2019
New Revision: 372080
URL: http://llvm.org/viewvc/llvm-project?rev=372080&view=rev
Log:
[RISCV] Add option aliases: -mcmodel=medany and -mcmodel=medlow
RISC-V GCC use -mcmodel=medany and -mcmodel=medlow, but LLVM use
-mcmodel=small and -mcmodel=medium.
Add those two option aliases for provide same user interface between
GCC and LLVM.
Reviewed By: lenary
Differential Revision: https://reviews.llvm.org/D67066
Modified:
cfe/trunk/include/clang/Driver/Options.td
cfe/trunk/test/Preprocessor/riscv-cmodel.c
Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=372080&r1=372079&r2=372080&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Tue Sep 17 01:19:17 2019
@@ -2177,6 +2177,12 @@ def msave_restore : Flag<["-"], "msave-r
HelpText<"Enable using library calls for save and restore">;
def mno_save_restore : Flag<["-"], "mno-save-restore">, Group<m_riscv_Features_Group>,
HelpText<"Disable using library calls for save and restore">;
+def mcmodel_EQ_medlow : Flag<["-"], "mcmodel=medlow">, Group<m_riscv_Features_Group>,
+ Flags<[CC1Option]>, Alias<mcmodel_EQ>, AliasArgs<["small"]>,
+ HelpText<"Equivalent to -mcmodel=small, compatible with RISC-V gcc.">;
+def mcmodel_EQ_medany : Flag<["-"], "mcmodel=medany">, Group<m_riscv_Features_Group>,
+ Flags<[CC1Option]>, Alias<mcmodel_EQ>, AliasArgs<["medium"]>,
+ HelpText<"Equivalent to -mcmodel=medium, compatible with RISC-V gcc.">;
def munaligned_access : Flag<["-"], "munaligned-access">, Group<m_arm_Features_Group>,
HelpText<"Allow memory accesses to be unaligned (AArch32/AArch64 only)">;
Modified: cfe/trunk/test/Preprocessor/riscv-cmodel.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/riscv-cmodel.c?rev=372080&r1=372079&r2=372080&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/riscv-cmodel.c (original)
+++ cfe/trunk/test/Preprocessor/riscv-cmodel.c Tue Sep 17 01:19:17 2019
@@ -8,6 +8,11 @@
// RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64i -x c -E -dM %s \
// RUN: -mcmodel=small -o - | FileCheck --check-prefix=CHECK-MEDLOW %s
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
+// RUN: -mcmodel=medlow -o - | FileCheck --check-prefix=CHECK-MEDLOW %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64i -x c -E -dM %s \
+// RUN: -mcmodel=medlow -o - | FileCheck --check-prefix=CHECK-MEDLOW %s
+
// CHECK-MEDLOW: #define __riscv_cmodel_medlow 1
// CHECK-MEDLOW-NOT: __riscv_cmodel_medany
@@ -16,5 +21,10 @@
// RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64i -x c -E -dM %s \
// RUN: -mcmodel=medium -o - | FileCheck --check-prefix=CHECK-MEDANY %s
+// RUN: %clang -target riscv32-unknown-linux-gnu -march=rv32i -x c -E -dM %s \
+// RUN: -mcmodel=medany -o - | FileCheck --check-prefix=CHECK-MEDANY %s
+// RUN: %clang -target riscv64-unknown-linux-gnu -march=rv64i -x c -E -dM %s \
+// RUN: -mcmodel=medany -o - | FileCheck --check-prefix=CHECK-MEDANY %s
+
// CHECK-MEDANY: #define __riscv_cmodel_medany 1
// CHECK-MEDANY-NOT: __riscv_cmodel_medlow
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