1 // Check that -mfloat-abi=hard gives a warning if FP registers aren't available. 2 // RUN: %clang --target=arm-none-eabi -mcpu=cortex-m0 -mfloat-abi=hard -### -c %s 2>&1 \ 3 // RUN: | FileCheck %s 4 5 // RUN: %clang --target=arm-none-eabi -mcpu=cortex-m0 -mhard-float -### -c %s 2>&1 \ 6 // RUN: | FileCheck -check-prefix=HARDFLOAT %s 7 8 // -mfloat-abi=hard and -march=...+nofp are incompatible in this instance: 9 // RUN: %clang --target=arm-none-eabi -march=armv8.1-m.main+nofp -mfloat-abi=hard -### -c %s 2>&1 10 // -mfloat-abi=hard and -march=...+nofp are compatible in this instance: 11 // RUN: %clang --target=arm-none-eabi -march=armv8.1-m.main+mve+nofp -mfloat-abi=hard -### -c %s 2>&1 \ 12 // RUN: | FileCheck -check-prefix=NOWARN %s 13 14 // Here the float ABI is calculated as "hard" and FP registers are 15 // calculated to not be available. Since the float ABI wasn't specified 16 // explicitly, the warning should not be emitted. 17 // RUN: not %clang --target=thumbv5-windows -mcpu=arm10tdmi -### -c %s -o /dev/null 2>&1 \ 18 // RUN: | FileCheck -check-prefix=NOWARN %s 19 20 // CHECK: warning: '-mfloat-abi=hard': selected processor lacks floating point registers 21 // HARDFLOAT: warning: '-mhard-float': selected processor lacks floating point registers 22 // NOWARN-NOT: selected processor lacks floating point registers 23