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| author | Jacob Young <jacobly0@users.noreply.github.com> | 2023-11-12 14:31:23 -0500 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2023-11-12 17:30:24 -0700 |
| commit | 0dbaa8d3ae8f2892b60751d5a3c528ddb3b4fc3b (patch) | |
| tree | ae8d38fd92729bbe39078db398b640c240c903d3 /lib/zig.h | |
| parent | f45aac49033c1660be21301843e4aa950924899d (diff) | |
| download | zig-0dbaa8d3ae8f2892b60751d5a3c528ddb3b4fc3b.tar.gz zig-0dbaa8d3ae8f2892b60751d5a3c528ddb3b4fc3b.zip | |
zig.h: workaround for gcc `f128` miscompilations
Diffstat (limited to 'lib/zig.h')
| -rw-r--r-- | lib/zig.h | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -61,6 +61,12 @@ typedef char bool; #define zig_gnuc #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 #define zig_const_arr #define zig_callconv(c) __##c @@ -3155,22 +3161,22 @@ typedef zig_u128 zig_f80; #define zig_has_f128 1 #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) -#if FLT_MANT_DIG == 113 +#if !zig_f128_has_miscompilations && FLT_MANT_DIG == 113 typedef float zig_f128; #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; #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; #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; #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; #define zig_make_f128(fp, repr) fp##f64x -#elif defined(__SIZEOF_FLOAT128__) +#elif !zig_f128_has_miscompilations && defined(__SIZEOF_FLOAT128__) typedef __float128 zig_f128; #define zig_make_f128(fp, repr) fp##q #undef zig_make_special_f128 |