xref: /llvm-project/clang/test/Driver/aarch64-soft-float-abi.c (revision ef395a492aa931f428e99e1c0a93d4ad2fb0fcfa)
1*ef395a49Sostannard // REQUIRES: aarch64-registered-target
2*ef395a49Sostannard 
3*ef395a49Sostannard // Hard-float, valid
4*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf                               -c %s -o /dev/null
5*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf                   -mabi=aapcs -c %s -o /dev/null
6*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -march=armv8-r                -c %s -o /dev/null
7*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -march=armv8-r    -mabi=aapcs -c %s -o /dev/null
8*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -march=armv8-r+fp -mabi=aapcs -c %s -o /dev/null
9*ef395a49Sostannard 
10*ef395a49Sostannard // Soft-float, no FP
11*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -march=armv8-r+nofp -mabi=aapcs-soft -c %s -o /dev/null
12*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -mgeneral-regs-only -mabi=aapcs-soft -c %s -o /dev/null
13*ef395a49Sostannard 
14*ef395a49Sostannard // Soft-float, FP hardware: Rejected, to avoid having two incompatible ABIs for common targets.
15*ef395a49Sostannard // RUN: not %clang --target=aarch64-none-elf                        -mabi=aapcs-soft -c %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=INVALID-SOFT
16*ef395a49Sostannard // 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*ef395a49Sostannard // 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*ef395a49Sostannard 
19*ef395a49Sostannard // No FP, hard-float. This is accepted by the driver, but functions which
20*ef395a49Sostannard // require arguments or returns to be passed in FP registers will be rejected
21*ef395a49Sostannard // (tested elsewhere).
22*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -march=armv8-r+nofp             -c %s -o /dev/null
23*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -march=armv8-r+nofp -mabi=aapcs -c %s -o /dev/null
24*ef395a49Sostannard // RUN: %clang --target=aarch64-none-elf -mgeneral-regs-only -mabi=aapcs -c %s -o /dev/null
25*ef395a49Sostannard 
26*ef395a49Sostannard // INVALID-SOFT: error: 'aapcs-soft' ABI is not supported with FPU
27