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| author | David Chisnall <csdavec@swan.ac.uk> | 2012-12-08 09:06:08 +0000 |
|---|---|---|
| committer | David Chisnall <csdavec@swan.ac.uk> | 2012-12-08 09:06:08 +0000 |
| commit | 6e399b42b5356d8ee59eb5dc4da8c89a0d0b7ae1 (patch) | |
| tree | 4923fa1054c000c14ab1e373882acabe19e0d219 | |
| parent | bc2a35d5ff492107dab5bdb7682f0da2f4a88861 (diff) | |
long double should be 64 bits on FreeBSD/MIPS64. It possibly should be on
Linux too, as I think we inherited it from there. The ABI spec says 128-bit,
although I think SGI's compiler on IRIX may be the only thing ever to support
this.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169674 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Basic/Targets.cpp | 4 | ||||
| -rw-r--r-- | test/Driver/mips-long-double.c | 19 |
2 files changed, 23 insertions, 0 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index c917f4f662..9cfa278824 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -4222,6 +4222,10 @@ public: PointerWidth = PointerAlign = 64; LongDoubleWidth = LongDoubleAlign = 128; LongDoubleFormat = &llvm::APFloat::IEEEquad; + if (getTriple().getOS() == llvm::Triple::FreeBSD) { + LongDoubleWidth = LongDoubleAlign = 64; + LongDoubleFormat = &llvm::APFloat::IEEEdouble; + } SuitableAlign = 128; } virtual bool setABI(const std::string &Name) { diff --git a/test/Driver/mips-long-double.c b/test/Driver/mips-long-double.c new file mode 100644 index 0000000000..12eb1594be --- /dev/null +++ b/test/Driver/mips-long-double.c @@ -0,0 +1,19 @@ +// RUN: %clang_cc1 -triple mips64-unknown-freebsd -std=c11 -verify %s +// RUN: %clang_cc1 -triple mips-unknown-freebsd -std=c11 -verify %s +// RUN: %clang_cc1 -triple mips-unknown-linux-std=c11 -verify %s +// RUN: %clang_cc1 -triple mips64-unknown-linux-std=c11 -verify %s +// expected-no-diagnostics + +#ifdef _ABI64 +# ifdef __FreeBSD__ +_Static_assert(sizeof(long double) == 8, "sizeof long double is wrong"); +_Static_assert(_Alignof(long double) == 8, "alignof long double is wrong"); +# else +_Static_assert(sizeof(long double) == 16, "sizeof long double is wrong"); +_Static_assert(_Alignof(long double) == 16, "alignof long double is wrong"); +# endif +#else +_Static_assert(sizeof(long double) == 8, "sizeof long double is wrong"); +_Static_assert(_Alignof(long double) == 8, "alignof long double is wrong"); +#endif + |