clang/test/Driver/aarch64-lrcpc3.c

   1 // Test that target feature FEAT_RCPC3 is implemented and available correctly
   2
   3 // FEAT_RCPC3 is optional for v8.2a onwards, and can be enabled with +rcpc3
   4 // RUN: %clang -### --target=aarch64-none-elf -march=armv8.9-a         %s 2>&1 | FileCheck %s --check-prefix=NOT_ENABLED
   5 // RUN: %clang -### --target=aarch64-none-elf -march=armv8.9-a+rcpc3   %s 2>&1 | FileCheck %s --check-prefix=ENABLED
   6 // RUN: %clang -### --target=aarch64-none-elf -march=armv8.9-a+norcpc3 %s 2>&1 | FileCheck %s --check-prefix=DISABLED
   7 // RUN: %clang -### --target=aarch64-none-elf -march=armv9.4-a         %s 2>&1 | FileCheck %s --check-prefix=NOT_ENABLED
   8 // RUN: %clang -### --target=aarch64-none-elf -march=armv9.4-a+rcpc3   %s 2>&1 | FileCheck %s --check-prefix=ENABLED
   9 // RUN: %clang -### --target=aarch64-none-elf -march=armv9.4-a+norcpc3 %s 2>&1 | FileCheck %s --check-prefix=DISABLED
  10
  11 // FEAT_RCPC3 is optional (off by default) for v8.8a/9.3a and older, and can be enabled using +rcpc3
  12 // RUN: %clang -### --target=aarch64-none-elf -march=armv8.2-a         %s 2>&1 | FileCheck %s --check-prefix=NOT_ENABLED
  13 // RUN: %clang -### --target=aarch64-none-elf -march=armv8.2-a+rcpc3   %s 2>&1 | FileCheck %s --check-prefix=ENABLED
  14 // RUN: %clang -### --target=aarch64-none-elf -march=armv8.2-a+norcpc3 %s 2>&1 | FileCheck %s --check-prefix=DISABLED
  15 // RUN: %clang -### --target=aarch64-none-elf -march=armv9-a         %s 2>&1 | FileCheck %s --check-prefix=NOT_ENABLED
  16 // RUN: %clang -### --target=aarch64-none-elf -march=armv9-a+rcpc3   %s 2>&1 | FileCheck %s --check-prefix=ENABLED
  17 // RUN: %clang -### --target=aarch64-none-elf -march=armv9-a+norcpc3 %s 2>&1 | FileCheck %s --check-prefix=DISABLED
  18
  19 // FEAT_RCPC3 is invalid before v8
  20 // RUN: not %clang -### --target=arm-none-none-eabi -march=armv7-a+rcpc3         %s 2>&1 | FileCheck %s --check-prefix=INVALID
  21
  22 // INVALID: error: unsupported argument 'armv7-a+rcpc3' to option '-march='
  23 // ENABLED: "-target-feature" "+rcpc3"
  24 // NOT_ENABLED-NOT: "-target-feature" "+rcpc3"
  25 // DISABLED: "-target-feature" "-rcpc3"
  26