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zig.h: workaround for gcc f128 miscompilations

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Jacob Young 2023-11-12 14:31:23 -05:00 • committed by Andrew Kelley
parent f45aac4903
commit 0dbaa8d3ae
2 changed files with 24 additions and 12 deletions
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18
lib/zig.h
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@ -61,6 +61,12 @@ typedef char bool;
#define zig_gnuc #define zig_gnuc
#endif #endif
#if defined(zig_gnuc) && (defined(__i386__) || defined(__x86_64__))
#define zig_f128_has_miscompilations 1
#else
#define zig_f128_has_miscompilations 0
#endif
#if _MSC_VER #if _MSC_VER
#define zig_const_arr #define zig_const_arr
#define zig_callconv(c) __##c #define zig_callconv(c) __##c
@ -3155,22 +3161,22 @@ typedef zig_u128 zig_f80;
#define zig_has_f128 1 #define zig_has_f128 1
#define zig_libc_name_f128(name) name##q #define zig_libc_name_f128(name) name##q
#define zig_init_special_f128(sign, name, arg, repr) zig_make_special_f128(sign, name, arg, repr) #define zig_init_special_f128(sign, name, arg, repr) zig_make_special_f128(sign, name, arg, repr)
#if FLT_MANT_DIG == 113 #if !zig_f128_has_miscompilations && FLT_MANT_DIG == 113
typedef float zig_f128; typedef float zig_f128;
#define zig_make_f128(fp, repr) fp##f #define zig_make_f128(fp, repr) fp##f
#elif DBL_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && DBL_MANT_DIG == 113
typedef double zig_f128; typedef double zig_f128;
#define zig_make_f128(fp, repr) fp #define zig_make_f128(fp, repr) fp
#elif LDBL_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && LDBL_MANT_DIG == 113
typedef long double zig_f128; typedef long double zig_f128;
#define zig_make_f128(fp, repr) fp##l #define zig_make_f128(fp, repr) fp##l
#elif FLT128_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && FLT128_MANT_DIG == 113
typedef _Float128 zig_f128; typedef _Float128 zig_f128;
#define zig_make_f128(fp, repr) fp##f128 #define zig_make_f128(fp, repr) fp##f128
#elif FLT64X_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && FLT64X_MANT_DIG == 113
typedef _Float64x zig_f128; typedef _Float64x zig_f128;
#define zig_make_f128(fp, repr) fp##f64x #define zig_make_f128(fp, repr) fp##f64x
#elif defined(__SIZEOF_FLOAT128__) #elif !zig_f128_has_miscompilations && defined(__SIZEOF_FLOAT128__)
typedef __float128 zig_f128; typedef __float128 zig_f128;
#define zig_make_f128(fp, repr) fp##q #define zig_make_f128(fp, repr) fp##q
#undef zig_make_special_f128 #undef zig_make_special_f128

18
stage1/zig.h
View file

@ -61,6 +61,12 @@ typedef char bool;
#define zig_gnuc #define zig_gnuc
#endif #endif
#if defined(zig_gnuc) && (defined(__i386__) || defined(__x86_64__))
#define zig_f128_has_miscompilations 1
#else
#define zig_f128_has_miscompilations 0
#endif
#if _MSC_VER #if _MSC_VER
#define zig_const_arr #define zig_const_arr
#define zig_callconv(c) __##c #define zig_callconv(c) __##c
@ -3155,22 +3161,22 @@ typedef zig_u128 zig_f80;
#define zig_has_f128 1 #define zig_has_f128 1
#define zig_libc_name_f128(name) name##q #define zig_libc_name_f128(name) name##q
#define zig_init_special_f128(sign, name, arg, repr) zig_make_special_f128(sign, name, arg, repr) #define zig_init_special_f128(sign, name, arg, repr) zig_make_special_f128(sign, name, arg, repr)
#if FLT_MANT_DIG == 113 #if !zig_f128_has_miscompilations && FLT_MANT_DIG == 113
typedef float zig_f128; typedef float zig_f128;
#define zig_make_f128(fp, repr) fp##f #define zig_make_f128(fp, repr) fp##f
#elif DBL_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && DBL_MANT_DIG == 113
typedef double zig_f128; typedef double zig_f128;
#define zig_make_f128(fp, repr) fp #define zig_make_f128(fp, repr) fp
#elif LDBL_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && LDBL_MANT_DIG == 113
typedef long double zig_f128; typedef long double zig_f128;
#define zig_make_f128(fp, repr) fp##l #define zig_make_f128(fp, repr) fp##l
#elif FLT128_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && FLT128_MANT_DIG == 113
typedef _Float128 zig_f128; typedef _Float128 zig_f128;
#define zig_make_f128(fp, repr) fp##f128 #define zig_make_f128(fp, repr) fp##f128
#elif FLT64X_MANT_DIG == 113 #elif !zig_f128_has_miscompilations && FLT64X_MANT_DIG == 113
typedef _Float64x zig_f128; typedef _Float64x zig_f128;
#define zig_make_f128(fp, repr) fp##f64x #define zig_make_f128(fp, repr) fp##f64x
#elif defined(__SIZEOF_FLOAT128__) #elif !zig_f128_has_miscompilations && defined(__SIZEOF_FLOAT128__)
typedef __float128 zig_f128; typedef __float128 zig_f128;
#define zig_make_f128(fp, repr) fp##q #define zig_make_f128(fp, repr) fp##q
#undef zig_make_special_f128 #undef zig_make_special_f128