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c0d70bca0f
Add an option group for all of the -mlong-double-* options and make -mlong-double-80 restore the default long double behavior for X86. The motivations are that GNU accepts the -mlong-double-80 option and that complex Makefiles often need a way of undoing earlier options. Prior to this commit, if one chooses 64-bit or 128-bit long double for X86, there is no way to undo that choice and restore the 80-bit behavior. Differential Revision: https://reviews.llvm.org/D66055 llvm-svn: 369183
16 lines
1010 B
C
16 lines
1010 B
C
// RUN: %clang -target powerpc-linux-musl -c -### %s -mlong-double-128 2>&1 | FileCheck %s
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// RUN: %clang -target powerpc64-pc-freebsd12 -c -### %s -mlong-double-128 2>&1 | FileCheck %s
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// RUN: %clang -target powerpc64le-linux-musl -c -### %s -mlong-double-128 2>&1 | FileCheck %s
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// RUN: %clang -target i686-linux-gnu -c -### %s -mlong-double-128 2>&1 | FileCheck %s
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// RUN: %clang -target x86_64-linux-musl -c -### %s -mlong-double-128 -mlong-double-80 2>&1 | FileCheck --implicit-check-not=-mlong-double-128 /dev/null
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// RUN: %clang -target x86_64-linux-musl -c -### %s -mlong-double-80 -mlong-double-128 2>&1 | FileCheck %s
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// CHECK: "-mlong-double-128"
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// RUN: %clang -target aarch64 -c -### %s -mlong-double-128 2>&1 | FileCheck --check-prefix=ERR %s
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// RUN: %clang -target powerpc -c -### %s -mlong-double-80 2>&1 | FileCheck --check-prefix=ERR2 %s
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// ERR: error: unsupported option '-mlong-double-128' for target 'aarch64'
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// ERR2: error: unsupported option '-mlong-double-80' for target 'powerpc'
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