Hmm, I don't see the point why we should limit that for x64 case to __FLT_EVAL_METHOD == -1? In all cases it has simply to use float/double for x64. Btw AFAIK is *nix using same approach. What is actual the issue you still get?
Kai 2012/12/24 Алексей Павлов <alex...@gmail.com>: > I think possible patch to complete resolve this problem is > > --- math.h.orig 2012-12-23 11:56:01 +0400 > +++ math.h 2012-12-24 13:10:52 +0400 > @@ -318,8 +318,16 @@ > > /* Use the compiler's builtin define for FLT_EVAL_METHOD to > set float_t and double_t. */ > -#if defined (__x86_64__) || defined(__FLT_EVAL_METHOD__) > -# if defined (__x86_64__) || ( __FLT_EVAL_METHOD__== 0) > +#if defined(__FLT_EVAL_METHOD__) > +# if ( __FLT_EVAL_METHOD__== -1) > +# if defined (__x86_64__) > +typedef long double float_t; > +typedef long double double_t; > +# else > +typedef float float_t; > +typedef double double_t; > +# endif > +# elif ( __FLT_EVAL_METHOD__== 0) > typedef float float_t; > typedef double double_t; > # elif (__FLT_EVAL_METHOD__ == 1) > > > 2012/12/24 Алексей Павлов <alex...@gmail.com> >> >> I find that when I try to execute >> echo "#include <cmath>" | g++ -x c++ -c - -m32 -mfpmath=both -std=gnu++11 >> -o /dev/null >> >> _x86_64_ not defined and __FLT_EVAL_METHOD__==-1 >> >> Why gcc internal definition of __FLT_EVAL_METHOD__ not applied during >> execute code? >> >> >> 2012/12/24 Алексей Павлов <alex...@gmail.com> >>> >>> Below is difference of gcc internal definitions of 64 multilib toolchain >>> with -m32 switch and without it: >>> >>> --- m32.txt 2012-12-24 09:46:13 +0400 >>> +++ m64.txt 2012-12-24 09:44:19 +0400 >>> @@ -7,9 +7,10 @@ >>> #define __INTMAX_C(c) c ## LL >>> #define __CHAR_BIT__ 8 >>> #define __UINT8_MAX__ 255 >>> +#define _WIN64 1 >>> #define __WINT_MAX__ 65535 >>> #define __ORDER_LITTLE_ENDIAN__ 1234 >>> -#define __SIZE_MAX__ 4294967295U >>> +#define __SIZE_MAX__ 18446744073709551615ULL >>> #define __WCHAR_MAX__ 65535 >>> #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 1 >>> #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 1 >>> @@ -17,8 +18,9 @@ >>> #define __DBL_DENORM_MIN__ ((double)4.94065645841246544177e-324L) >>> #define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 1 >>> #define __GCC_ATOMIC_CHAR_LOCK_FREE 2 >>> -#define __FLT_EVAL_METHOD__ 2 >>> +#define __FLT_EVAL_METHOD__ 0 >>> #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2 >>> +#define __x86_64 1 >>> #define __UINT_FAST64_MAX__ 18446744073709551615ULL >>> #define __SIG_ATOMIC_TYPE__ int >>> #define __DBL_MIN_10_EXP__ (-307) >>> @@ -44,11 +46,12 @@ >>> #define __DBL_DIG__ 15 >>> #define __GCC_ATOMIC_POINTER_LOCK_FREE 2 >>> #define __SIZEOF_INT__ 4 >>> -#define __SIZEOF_POINTER__ 4 >>> -#define __USER_LABEL_PREFIX__ _ >>> +#define __SIZEOF_POINTER__ 8 >>> +#define __USER_LABEL_PREFIX__ >>> #define __STDC_HOSTED__ 1 >>> #define __WIN32 1 >>> #define __LDBL_HAS_INFINITY__ 1 >>> +#define __WIN64 1 >>> #define __FLT_EPSILON__ 1.19209289550781250000e-7F >>> #define __LDBL_MIN__ 3.36210314311209350626e-4932L >>> #define __DEC32_MAX__ 9.999999E96DF >>> @@ -63,7 +66,7 @@ >>> #define _cdecl __attribute__((__cdecl__)) >>> #define __MMX__ 1 >>> #define __FLT_HAS_DENORM__ 1 >>> -#define __SIZEOF_LONG_DOUBLE__ 12 >>> +#define __SIZEOF_LONG_DOUBLE__ 16 >>> #define __BIGGEST_ALIGNMENT__ 16 >>> #define __DBL_MAX__ ((double)1.79769313486231570815e+308L) >>> #define _thiscall __attribute__((__thiscall__)) >>> @@ -81,10 +84,12 @@ >>> #define __DEC32_MIN__ 1E-95DF >>> #define __DBL_MAX_EXP__ 1024 >>> #define __DEC128_EPSILON__ 1E-33DL >>> +#define __SSE2_MATH__ 1 >>> #define __WIN32__ 1 >>> -#define __PTRDIFF_MAX__ 2147483647 >>> +#define __PTRDIFF_MAX__ 9223372036854775807LL >>> +#define __amd64 1 >>> #define __LONG_LONG_MAX__ 9223372036854775807LL >>> -#define __SIZEOF_SIZE_T__ 4 >>> +#define __SIZEOF_SIZE_T__ 8 >>> #define __SIZEOF_WINT_T__ 2 >>> #define __GXX_ABI_VERSION 1002 >>> #define __FLT_MIN_EXP__ (-125) >>> @@ -99,12 +104,10 @@ >>> #define __cdecl __attribute__((__cdecl__)) >>> #define __UINT8_TYPE__ unsigned char >>> #define __NO_INLINE__ 1 >>> -#define __i386 1 >>> #define __FLT_MANT_DIG__ 24 >>> #define __VERSION__ "4.7.2" >>> #define __UINT64_C(c) c ## ULL >>> #define __GCC_ATOMIC_INT_LOCK_FREE 2 >>> -#define _X86_ 1 >>> #define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__ >>> #define __INT32_C(c) c >>> #define __DEC64_EPSILON__ 1E-15DD >>> @@ -113,18 +116,20 @@ >>> #define __INT_FAST32_TYPE__ int >>> #define __UINT_LEAST16_TYPE__ short unsigned int >>> #define __INT16_MAX__ 32767 >>> -#define __i386__ 1 >>> -#define __SIZE_TYPE__ unsigned int >>> +#define __SIZE_TYPE__ long long unsigned int >>> #define __UINT64_MAX__ 18446744073709551615ULL >>> #define __INT8_TYPE__ signed char >>> #define __FLT_RADIX__ 2 >>> #define __INT_LEAST16_TYPE__ short int >>> #define __LDBL_EPSILON__ 1.08420217248550443401e-19L >>> #define __UINTMAX_C(c) c ## ULL >>> +#define __SSE_MATH__ 1 >>> #define __k8 1 >>> +#define __SEH__ 1 >>> #define __SIG_ATOMIC_MAX__ 2147483647 >>> #define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2 >>> -#define __SIZEOF_PTRDIFF_T__ 4 >>> +#define __SIZEOF_PTRDIFF_T__ 8 >>> +#define __x86_64__ 1 >>> #define __DEC32_SUBNORMAL_MIN__ 0.000001E-95DF >>> #define __MSVCRT__ 1 >>> #define __INT_FAST16_MAX__ 32767 >>> @@ -149,7 +154,7 @@ >>> #define __INT_LEAST8_TYPE__ signed char >>> #define __DEC32_MAX_EXP__ 97 >>> #define __INT_FAST8_MAX__ 127 >>> -#define __INTPTR_MAX__ 2147483647 >>> +#define __INTPTR_MAX__ 9223372036854775807LL >>> #define __GXX_MERGED_TYPEINFO_NAMES 0 >>> #define __stdcall __attribute__((__stdcall__)) >>> #define __SSE2__ 1 >>> @@ -157,20 +162,24 @@ >>> #define __DBL_HAS_QUIET_NAN__ 1 >>> #define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1) >>> #define __k8__ 1 >>> -#define __INTPTR_TYPE__ int >>> +#define __INTPTR_TYPE__ long long int >>> #define __UINT16_TYPE__ short unsigned int >>> #define __WCHAR_TYPE__ short unsigned int >>> #define __SIZEOF_FLOAT__ 4 >>> -#define __UINTPTR_MAX__ 4294967295U >>> +#define __pic__ 1 >>> +#define __UINTPTR_MAX__ 18446744073709551615ULL >>> #define __DEC64_MIN_EXP__ (-382) >>> #define __INT_FAST64_MAX__ 9223372036854775807LL >>> #define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1 >>> #define __FLT_DIG__ 6 >>> #define __UINT_FAST64_TYPE__ long long unsigned int >>> #define __INT_MAX__ 2147483647 >>> +#define __amd64__ 1 >>> #define WIN32 1 >>> #define __INT64_TYPE__ long long int >>> #define __FLT_MAX_EXP__ 128 >>> +#define WIN64 1 >>> +#define __ORDER_BIG_ENDIAN__ 4321 >>> #define __DBL_MANT_DIG__ 53 >>> #define __INT_LEAST64_MAX__ 9223372036854775807LL >>> #define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 2 >>> @@ -181,6 +190,7 @@ >>> #define __SSE__ 1 >>> #define __LDBL_MIN_EXP__ (-16381) >>> #define __INT_LEAST8_MAX__ 127 >>> +#define __SIZEOF_INT128__ 16 >>> #define __LDBL_MAX_10_EXP__ 4932 >>> #define __ATOMIC_RELAXED 0 >>> #define __DBL_EPSILON__ ((double)2.22044604925031308085e-16L) >>> @@ -193,13 +203,14 @@ >>> #define __fastcall __attribute__((__fastcall__)) >>> #define __DBL_DECIMAL_DIG__ 17 >>> #define __DEC_EVAL_METHOD__ 2 >>> -#define __ORDER_BIG_ENDIAN__ 4321 >>> +#define __MINGW64__ 1 >>> #define __UINT32_C(c) c ## U >>> #define __INTMAX_MAX__ 9223372036854775807LL >>> #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__ >>> #define WINNT 1 >>> #define __FLT_DENORM_MIN__ 1.40129846432481707092e-45F >>> #define __INT8_MAX__ 127 >>> +#define __PIC__ 1 >>> #define __UINT_FAST32_TYPE__ unsigned int >>> #define __CHAR32_TYPE__ unsigned int >>> #define __FLT_MAX__ 3.40282346638528859812e+38F >>> @@ -207,7 +218,6 @@ >>> #define __SIZEOF_DOUBLE__ 8 >>> #define __FLT_MIN_10_EXP__ (-37) >>> #define __INTMAX_TYPE__ long long int >>> -#define i386 1 >>> #define _INTEGRAL_MAX_BITS 64 >>> #define __DEC128_MAX_EXP__ 6145 >>> #define __ATOMIC_CONSUME 1 >>> @@ -218,10 +228,10 @@ >>> #define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L >>> #define __INT16_C(c) c >>> #define __STDC__ 1 >>> -#define __PTRDIFF_TYPE__ int >>> +#define __PTRDIFF_TYPE__ long long int >>> #define __ATOMIC_SEQ_CST 5 >>> #define __UINT32_TYPE__ unsigned int >>> -#define __UINTPTR_TYPE__ unsigned int >>> +#define __UINTPTR_TYPE__ long long unsigned int >>> #define __DEC64_SUBNORMAL_MIN__ 0.000000000000001E-383DD >>> #define __DEC128_MANT_DIG__ 34 >>> #define __LDBL_MIN_10_EXP__ (-4931) >>> @@ -233,6 +243,7 @@ >>> #define __GNUC_GNU_INLINE__ 1 >>> #define __GCC_ATOMIC_SHORT_LOCK_FREE 2 >>> #define __UINT_FAST8_TYPE__ unsigned char >>> +#define __WIN64__ 1 >>> #define __ATOMIC_ACQ_REL 4 >>> #define __ATOMIC_RELEASE 3 >>> #define __declspec(x) __attribute__((x)) >>> >>> >>> 2012/12/24 Алексей Павлов <alex...@gmail.com> >>>> >>>> Hi! >>>> This is only resolve a part of error. Error is present in 64-bit >>>> multilib builds if you try to execute example code with -m32 switch. >>>> >>>> >>>> 2012/12/20 Kai Tietz <ktiet...@googlemail.com> >>>>> >>>>> 2012/12/20 Ruben Van Boxem <vanboxem.ru...@gmail.com>: >>>>> > Not to meddle in other people's affairs, but this is probably >>>>> > valuable for >>>>> > v2 (unless v3 is due very very soon ;-)) >>>>> > >>>>> > Ruben >>>>> >>>>> Back-merged at rev. 5509. >>>>> >>>>> Cheers, >>>>> Kai >>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial >>>>> Remotely access PCs and mobile devices and provide instant support >>>>> Improve your efficiency, and focus on delivering more value-add >>>>> services >>>>> Discover what IT Professionals Know. Rescue delivers >>>>> http://p.sf.net/sfu/logmein_12329d2d >>>>> _______________________________________________ >>>>> Mingw-w64-public mailing list >>>>> Mingw-w64-public@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public >>>> >>>> >>> >> > > > ------------------------------------------------------------------------------ > LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial > Remotely access PCs and mobile devices and provide instant support > Improve your efficiency, and focus on delivering more value-add services > Discover what IT Professionals Know. Rescue delivers > http://p.sf.net/sfu/logmein_12329d2d > _______________________________________________ > Mingw-w64-public mailing list > Mingw-w64-public@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mingw-w64-public > -- | (\_/) This is Bunny. 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