r182029 - fix PR 15726: ptrdiff_t should be int on PowerPC Darwin

Richard Smith richard at metafoo.co.uk
Thu May 16 11:51:51 PDT 2013 

On Thu, May 16, 2013 at 10:51 AM, David Fang <fang at csl.cornell.edu> wrote:

> Author: fangism
> Date: Thu May 16 12:51:48 2013
> New Revision: 182029
>
> URL: http://llvm.org/viewvc/llvm-project?rev=182029&view=rev
> Log:
> fix PR 15726: ptrdiff_t should be int on PowerPC Darwin
>
> Modified:
>     cfe/trunk/lib/Basic/Targets.cpp
>     cfe/trunk/test/Preprocessor/init.c
>
> Modified: cfe/trunk/lib/Basic/Targets.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=182029&r1=182028&r2=182029&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Basic/Targets.cpp (original)
> +++ cfe/trunk/lib/Basic/Targets.cpp Thu May 16 12:51:48 2013
> @@ -1220,6 +1220,7 @@ public:
>      : DarwinTargetInfo<PPC32TargetInfo>(triple) {
>      HasAlignMac68kSupport = true;
>      BoolWidth = BoolAlign = 32; //XXX support -mone-byte-bool?
> +    PtrDiffType = SignedInt;   // for
> http://llvm.org/bugs/show_bug.cgi?id=15726


We usually use just "PR15726" to cite bugzilla. But we usually don't cite
bugs in code at all (just in commit messages and testcases).

>
>      LongLongAlign = 32;
>      SuitableAlign = 128;
>      DescriptionString = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
>
> Modified: cfe/trunk/test/Preprocessor/init.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=182029&r1=182028&r2=182029&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Preprocessor/init.c (original)
> +++ cfe/trunk/test/Preprocessor/init.c Thu May 16 12:51:48 2013
> @@ -2195,6 +2195,112 @@
>  // PPC-LINUX:#define __powerpc__ 1
>  // PPC-LINUX:#define __ppc__ 1
>  //
> +// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-apple-darwin8 <
> /dev/null | FileCheck -check-prefix PPC-DARWIN %s
> +//
> +// PPC-DARWIN:#define _ARCH_PPC 1
> +// PPC-DARWIN:#define _BIG_ENDIAN 1
> +// PPC-DARWIN:#define __BIG_ENDIAN__ 1
> +// PPC-DARWIN:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
> +// PPC-DARWIN:#define __CHAR16_TYPE__ unsigned short
> +// PPC-DARWIN:#define __CHAR32_TYPE__ unsigned int
> +// PPC-DARWIN:#define __CHAR_BIT__ 8
> +// PPC-DARWIN:#define __DBL_DENORM_MIN__ 4.9406564584124654e-324
> +// PPC-DARWIN:#define __DBL_DIG__ 15
> +// PPC-DARWIN:#define __DBL_EPSILON__ 2.2204460492503131e-16
> +// PPC-DARWIN:#define __DBL_HAS_DENORM__ 1
> +// PPC-DARWIN:#define __DBL_HAS_INFINITY__ 1
> +// PPC-DARWIN:#define __DBL_HAS_QUIET_NAN__ 1
> +// PPC-DARWIN:#define __DBL_MANT_DIG__ 53
> +// PPC-DARWIN:#define __DBL_MAX_10_EXP__ 308
> +// PPC-DARWIN:#define __DBL_MAX_EXP__ 1024
> +// PPC-DARWIN:#define __DBL_MAX__ 1.7976931348623157e+308
> +// PPC-DARWIN:#define __DBL_MIN_10_EXP__ (-307)
> +// PPC-DARWIN:#define __DBL_MIN_EXP__ (-1021)
> +// PPC-DARWIN:#define __DBL_MIN__ 2.2250738585072014e-308
> +// PPC-DARWIN:#define __DECIMAL_DIG__ 33
> +// PPC-DARWIN:#define __FLT_DENORM_MIN__ 1.40129846e-45F
> +// PPC-DARWIN:#define __FLT_DIG__ 6
> +// PPC-DARWIN:#define __FLT_EPSILON__ 1.19209290e-7F
> +// PPC-DARWIN:#define __FLT_EVAL_METHOD__ 0
> +// PPC-DARWIN:#define __FLT_HAS_DENORM__ 1
> +// PPC-DARWIN:#define __FLT_HAS_INFINITY__ 1
> +// PPC-DARWIN:#define __FLT_HAS_QUIET_NAN__ 1
> +// PPC-DARWIN:#define __FLT_MANT_DIG__ 24
> +// PPC-DARWIN:#define __FLT_MAX_10_EXP__ 38
> +// PPC-DARWIN:#define __FLT_MAX_EXP__ 128
> +// PPC-DARWIN:#define __FLT_MAX__ 3.40282347e+38F
> +// PPC-DARWIN:#define __FLT_MIN_10_EXP__ (-37)
> +// PPC-DARWIN:#define __FLT_MIN_EXP__ (-125)
> +// PPC-DARWIN:#define __FLT_MIN__ 1.17549435e-38F
> +// PPC-DARWIN:#define __FLT_RADIX__ 2
> +// PPC-DARWIN:#define __INT16_TYPE__ short
> +// PPC-DARWIN:#define __INT32_TYPE__ int
> +// PPC-DARWIN:#define __INT64_C_SUFFIX__ LL
> +// PPC-DARWIN:#define __INT64_TYPE__ long long int
> +// PPC-DARWIN:#define __INT8_TYPE__ char
> +// PPC-DARWIN:#define __INTMAX_MAX__ 9223372036854775807LL
> +// PPC-DARWIN:#define __INTMAX_TYPE__ long long int
> +// PPC-DARWIN:#define __INTMAX_WIDTH__ 64
> +// PPC-DARWIN:#define __INTPTR_TYPE__ long int
> +// PPC-DARWIN:#define __INTPTR_WIDTH__ 32
> +// PPC-DARWIN:#define __INT_MAX__ 2147483647
> +// PPC-DARWIN:#define __LDBL_DENORM_MIN__
> 4.94065645841246544176568792868221e-324L
> +// PPC-DARWIN:#define __LDBL_DIG__ 31
> +// PPC-DARWIN:#define __LDBL_EPSILON__
> 4.94065645841246544176568792868221e-324L
> +// PPC-DARWIN:#define __LDBL_HAS_DENORM__ 1
> +// PPC-DARWIN:#define __LDBL_HAS_INFINITY__ 1
> +// PPC-DARWIN:#define __LDBL_HAS_QUIET_NAN__ 1
> +// PPC-DARWIN:#define __LDBL_MANT_DIG__ 106
> +// PPC-DARWIN:#define __LDBL_MAX_10_EXP__ 308
> +// PPC-DARWIN:#define __LDBL_MAX_EXP__ 1024
> +// PPC-DARWIN:#define __LDBL_MAX__
> 1.79769313486231580793728971405301e+308L
> +// PPC-DARWIN:#define __LDBL_MIN_10_EXP__ (-291)
> +// PPC-DARWIN:#define __LDBL_MIN_EXP__ (-968)
> +// PPC-DARWIN:#define __LDBL_MIN__
> 2.00416836000897277799610805135016e-292L
> +// PPC-DARWIN:#define __LONG_DOUBLE_128__ 1
> +// PPC-DARWIN:#define __LONG_LONG_MAX__ 9223372036854775807LL
> +// PPC-DARWIN:#define __LONG_MAX__ 2147483647L
> +// PPC-DARWIN:#define __MACH__ 1
> +// PPC-DARWIN:#define __NATURAL_ALIGNMENT__ 1
> +// PPC-DARWIN:#define __ORDER_BIG_ENDIAN__ 4321
> +// PPC-DARWIN:#define __ORDER_LITTLE_ENDIAN__ 1234
> +// PPC-DARWIN:#define __ORDER_PDP_ENDIAN__ 3412
> +// PPC-DARWIN:#define __POINTER_WIDTH__ 32
> +// PPC-DARWIN:#define __POWERPC__ 1
> +// PPC-DARWIN:#define __PTRDIFF_TYPE__ int
> +// PPC-DARWIN:#define __PTRDIFF_WIDTH__ 32
> +// PPC-DARWIN:#define __REGISTER_PREFIX__
> +// PPC-DARWIN:#define __SCHAR_MAX__ 127
> +// PPC-DARWIN:#define __SHRT_MAX__ 32767
> +// PPC-DARWIN:#define __SIG_ATOMIC_WIDTH__ 32
> +// PPC-DARWIN:#define __SIZEOF_DOUBLE__ 8
> +// PPC-DARWIN:#define __SIZEOF_FLOAT__ 4
> +// PPC-DARWIN:#define __SIZEOF_INT__ 4
> +// PPC-DARWIN:#define __SIZEOF_LONG_DOUBLE__ 16
> +// PPC-DARWIN:#define __SIZEOF_LONG_LONG__ 8
> +// PPC-DARWIN:#define __SIZEOF_LONG__ 4
> +// PPC-DARWIN:#define __SIZEOF_POINTER__ 4
> +// PPC-DARWIN:#define __SIZEOF_PTRDIFF_T__ 4
> +// PPC-DARWIN:#define __SIZEOF_SHORT__ 2
> +// PPC-DARWIN:#define __SIZEOF_SIZE_T__ 4
> +// PPC-DARWIN:#define __SIZEOF_WCHAR_T__ 4
> +// PPC-DARWIN:#define __SIZEOF_WINT_T__ 4
> +// PPC-DARWIN:#define __SIZE_MAX__ 4294967295UL
> +// PPC-DARWIN:#define __SIZE_TYPE__ long unsigned int
> +// PPC-DARWIN:#define __SIZE_WIDTH__ 32
> +// PPC-DARWIN:#define __STDC_HOSTED__ 0
> +// PPC-DARWIN:#define __STDC_VERSION__ 199901L
> +// PPC-DARWIN:#define __STDC__ 1
> +// PPC-DARWIN:#define __UINTMAX_TYPE__ long long unsigned int
> +// PPC-DARWIN:#define __USER_LABEL_PREFIX__ _
> +// PPC-DARWIN:#define __WCHAR_MAX__ 2147483647
> +// PPC-DARWIN:#define __WCHAR_TYPE__ int
> +// PPC-DARWIN:#define __WCHAR_WIDTH__ 32
> +// PPC-DARWIN:#define __WINT_TYPE__ int
> +// PPC-DARWIN:#define __WINT_WIDTH__ 32
> +// PPC-DARWIN:#define __powerpc__ 1
> +// PPC-DARWIN:#define __ppc__ 1
> +//
>  // RUN: %clang_cc1 -E -dM -ffreestanding -triple=s390x-none-none
> -fno-signed-char < /dev/null | FileCheck -check-prefix S390X %s
>  //
>  // S390X:#define __CHAR16_TYPE__ unsigned short
>
>
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