From 377dc2f91f1eac3649ceb7c2729a36f7c88ad15c Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Wed, 27 Jan 2010 20:23:08 +0000 Subject: ARM/APCS: Fix alignment of long double. llvm-svn: 94685 --- clang/lib/Basic/Targets.cpp | 2 +- clang/test/Sema/arm-layout.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 clang/test/Sema/arm-layout.c diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index ac5a7d16b15..1d898726f9c 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -1240,7 +1240,7 @@ public: // FIXME: We need support for -meabi... we could just mangle it into the // name. if (Name == "apcs-gnu") { - DoubleAlign = LongLongAlign = 32; + DoubleAlign = LongLongAlign = LongDoubleAlign = 32; SizeType = UnsignedLong; if (IsThumb) { diff --git a/clang/test/Sema/arm-layout.c b/clang/test/Sema/arm-layout.c new file mode 100644 index 00000000000..1e239d275a8 --- /dev/null +++ b/clang/test/Sema/arm-layout.c @@ -0,0 +1,20 @@ +// RUN: %clang_cc1 -triple armv7-unknown-unknown -target-abi apcs-gnu %s -verify +// RUN: %clang_cc1 -triple armv7-unknown-unknown -target-abi aapcs %s -verify + +#ifdef __ARM_EABI__ + +struct s0 { char field0; double field1; }; +int g0[sizeof(struct s0) == 16 ? 1 : -1]; + +struct s1 { char field0; long double field1; }; +int g1[sizeof(struct s1) == 16 ? 1 : -1]; + +#else + +struct s0 { char field0; double field1; }; +int g0[sizeof(struct s0) == 12 ? 1 : -1]; + +struct s1 { char field0; long double field1; }; +int g1[sizeof(struct s1) == 12 ? 1 : -1]; + +#endif -- cgit v1.2.3