clang/test/Driver/aarch64-soft-float-abi.c

   1 // REQUIRES: aarch64-registered-target
   2
   3 // Hard-float, valid
   4 // RUN: %clang --target=aarch64-none-elf                               -c %s -o /dev/null
   5 // RUN: %clang --target=aarch64-none-elf                   -mabi=aapcs -c %s -o /dev/null
   6 // RUN: %clang --target=aarch64-none-elf -march=armv8-r                -c %s -o /dev/null
   7 // RUN: %clang --target=aarch64-none-elf -march=armv8-r    -mabi=aapcs -c %s -o /dev/null
   8 // RUN: %clang --target=aarch64-none-elf -march=armv8-r+fp -mabi=aapcs -c %s -o /dev/null
   9
  10 // Soft-float, no FP
  11 // RUN: %clang --target=aarch64-none-elf -march=armv8-r+nofp -mabi=aapcs-soft -c %s -o /dev/null
  12 // RUN: %clang --target=aarch64-none-elf -mgeneral-regs-only -mabi=aapcs-soft -c %s -o /dev/null
  13
  14 // Soft-float, FP hardware: Rejected, to avoid having two incompatible ABIs for common targets.
  15 // RUN: not %clang --target=aarch64-none-elf                        -mabi=aapcs-soft -c %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID-SOFT
  16 // RUN: not %clang --target=aarch64-none-elf -march=armv8-r+fp      -mabi=aapcs-soft -c %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID-SOFT
  17 // RUN: not %clang --target=aarch64-none-elf -march=armv8-r+nofp+fp -mabi=aapcs-soft -c %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID-SOFT
  18
  19 // No FP, hard-float. This is accepted by the driver, but functions which
  20 // require arguments or returns to be passed in FP registers will be rejected
  21 // (tested elsewhere).
  22 // RUN: %clang --target=aarch64-none-elf -march=armv8-r+nofp             -c %s -o /dev/null
  23 // RUN: %clang --target=aarch64-none-elf -march=armv8-r+nofp -mabi=aapcs -c %s -o /dev/null
  24 // RUN: %clang --target=aarch64-none-elf -mgeneral-regs-only -mabi=aapcs -c %s -o /dev/null
  25
  26 // INVALID-SOFT: error: 'aapcs-soft' ABI is not supported with FPU