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| author | James Molloy <james.molloy@arm.com> | 2011-11-23 13:35:08 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2011-11-23 13:35:08 +0000 |
| commit | a6d81f9a2d236ae21491455f649ea765123f6fc7 (patch) | |
| tree | eb79818935d00b5c83fac85162a6f18390e6a2d4 | |
| parent | 1a3246ad0a4d65dbfe2c70f0431082b2296ee48f (diff) | |
AAPCS compliance - 32-bit wchar_t should be unsigned for both aapcs and aapcs-linux.
Original behaviour of defining wchar_t as signed int has been kept for apcs-gnu as I don't have any spec for this to validate against.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145102 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Basic/Targets.cpp | 5 | ||||
| -rw-r--r-- | test/Preprocessor/init.c | 4 | ||||
| -rw-r--r-- | test/Preprocessor/stdint.c | 4 |
3 files changed, 9 insertions, 4 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 06e79261e9..1dcdf93ba7 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -2404,6 +2404,8 @@ public: { SizeType = UnsignedInt; PtrDiffType = SignedInt; + // AAPCS 7.1.1, ARM-Linux ABI 2.4: type of wchar_t is unsigned int. + WCharType = UnsignedInt; // {} in inline assembly are neon specifiers, not assembly variant // specifiers. @@ -2442,6 +2444,9 @@ public: DoubleAlign = LongLongAlign = LongDoubleAlign = 32; SizeType = UnsignedLong; + // Revert to using SignedInt on apcs-gnu to comply with existing behaviour. + WCharType = SignedInt; + // Do not respect the alignment of bit-field types when laying out // structures. This corresponds to PCC_BITFIELD_TYPE_MATTERS in gcc. UseBitFieldTypeAlignment = false; diff --git a/test/Preprocessor/init.c b/test/Preprocessor/init.c index 24ebeb6ac7..ec90d6a3bb 100644 --- a/test/Preprocessor/init.c +++ b/test/Preprocessor/init.c @@ -212,8 +212,8 @@ // ARM:#define __THUMB_INTERWORK__ 1 // ARM:#define __UINTMAX_TYPE__ long long unsigned int // ARM:#define __USER_LABEL_PREFIX__ _ -// ARM:#define __WCHAR_MAX__ 2147483647 -// ARM:#define __WCHAR_TYPE__ int +// ARM:#define __WCHAR_MAX__ 4294967295U +// ARM:#define __WCHAR_TYPE__ unsigned int // ARM:#define __WCHAR_WIDTH__ 32 // ARM:#define __WINT_TYPE__ int // ARM:#define __WINT_WIDTH__ 32 diff --git a/test/Preprocessor/stdint.c b/test/Preprocessor/stdint.c index fc88688b52..70c106bf79 100644 --- a/test/Preprocessor/stdint.c +++ b/test/Preprocessor/stdint.c @@ -90,8 +90,8 @@ // ARM:WINT_MIN_ (-2147483647 -1) // ARM:WINT_MAX_ 2147483647 // -// ARM:WCHAR_MAX_ 2147483647 -// ARM:WCHAR_MIN_ (-2147483647 -1) +// ARM:WCHAR_MAX_ 4294967295U +// ARM:WCHAR_MIN_ 0U // // ARM:INT8_C_(0) 0 // ARM:UINT8_C_(0) 0U |