22 lines
1.3 KiB
C
22 lines
1.3 KiB
C
// Check that -mfloat-abi=hard gives a warning if FP registers aren't available.
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m0 -mfloat-abi=hard -### -c %s 2>&1 \
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// RUN: | FileCheck %s
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// RUN: %clang --target=arm-none-eabi -mcpu=cortex-m0 -mhard-float -### -c %s 2>&1 \
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// RUN: | FileCheck -check-prefix=HARDFLOAT %s
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// -mfloat-abi=hard and -march=...+nofp are incompatible in this instance:
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// RUN: %clang --target=arm-none-eabi -march=armv8.1-m.main+nofp -mfloat-abi=hard -### -c %s 2>&1
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// -mfloat-abi=hard and -march=...+nofp are compatible in this instance:
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// RUN: %clang --target=arm-none-eabi -march=armv8.1-m.main+mve+nofp -mfloat-abi=hard -### -c %s 2>&1 \
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// RUN: | FileCheck -check-prefix=NOWARN %s
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// Here the float ABI is calculated as "hard" and FP registers are
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// calculated to not be available. Since the float ABI wasn't specified
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// explicitly, the warning should not be emitted.
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// RUN: not %clang --target=thumbv5-windows -mcpu=arm10tdmi -### -c %s -o /dev/null 2>&1 \
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// RUN: | FileCheck -check-prefix=NOWARN %s
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// CHECK: warning: '-mfloat-abi=hard': selected processor lacks floating point registers
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// HARDFLOAT: warning: '-mhard-float': selected processor lacks floating point registers
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// NOWARN-NOT: selected processor lacks floating point registers
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