23 lines · c
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 %s4 5// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m0 -mhard-float -### -c %s 2>&1 \6// RUN: | FileCheck -check-prefix=HARDFLOAT %s7 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>&110// -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 %s13 14// Here the float ABI is calculated as "hard" and FP registers are15// calculated to not be available. Since the float ABI wasn't specified16// 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 %s19 20// CHECK: warning: '-mfloat-abi=hard': selected processor lacks floating point registers21// HARDFLOAT: warning: '-mhard-float': selected processor lacks floating point registers22// NOWARN-NOT: selected processor lacks floating point registers23