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fix _Float64x on M1 macOS #68

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merged 2 commits into from
Jan 14, 2022
Merged

fix _Float64x on M1 macOS #68

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5114c35
machdep: check __HAVE_FLOAT64X since M1 macOS fails on _Float64x
vogler Jan 14, 2022
a4143af
also check `__HAVE_FLOAT64X` in test
vogler Jan 14, 2022
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14 changes: 14 additions & 0 deletions src/machdep-ml.c.in
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Original file line number Diff line number Diff line change
Expand Up @@ -178,6 +178,7 @@ int main(int argc, char **argv)
alignof_float32x = (intptr_t)(&((struct floatstruct*)0)->f);
}

#ifdef __HAVE_FLOAT64X
// The alignment of a _Float64x
{
struct floatstruct {
Expand All @@ -186,6 +187,7 @@ int main(int argc, char **argv)
};
alignof_float64x = (intptr_t)(&((struct floatstruct*)0)->f);
}
#endif

// The alignment of double
{
Expand Down Expand Up @@ -278,7 +280,11 @@ int main(int argc, char **argv)
(int)sizeof(int *), alignof_ptr,
alignof_enum,
(int)sizeof(_Float32x), alignof_float32x,
#ifdef __HAVE_FLOAT64X
(int)sizeof(_Float64x), alignof_float64x,
#else
0, 0,
#endif
(int)sizeof(float), alignof_float, (int)sizeof(double), alignof_double,
(int)sizeof(long double), alignof_longdouble, (int)sizeof(float _Complex), alignof_floatcomplex, (int)sizeof(double _Complex), alignof_doublecomplex,
(int)sizeof(long double _Complex), alignof_longdoublecomplex, (int)sizeof(void),
Expand Down Expand Up @@ -307,7 +313,11 @@ int main(int argc, char **argv)
printf("\t sizeof_ptr = %d;\n", (int)sizeof(int *));
printf("\t sizeof_float = %d;\n", (int)sizeof(float));
printf("\t sizeof_float32x = %d;\n", (int)sizeof(_Float32x));
#ifdef __HAVE_FLOAT64X
printf("\t sizeof_float64x = %d;\n", (int)sizeof(_Float64x));
#else
printf("\t sizeof_float64x = %d;\n", 0);
#endif
printf("\t sizeof_double = %d;\n", (int)sizeof(double));
printf("\t sizeof_longdouble = %d;\n", (int)sizeof(long double));
printf("\t sizeof_floatcomplex = %d;\n", (int)sizeof(float _Complex));
Expand All @@ -326,7 +336,11 @@ int main(int argc, char **argv)
printf("\t alignof_enum = %d;\n", alignof_enum);
printf("\t alignof_float = %d;\n", alignof_float);
printf("\t alignof_float32x = %d;\n", alignof_float32x);
#ifdef __HAVE_FLOAT64X
printf("\t alignof_float64x = %d;\n", alignof_float64x);
#else
printf("\t alignof_float64x = %d;\n", 0);
#endif
printf("\t alignof_double = %d;\n", alignof_double);
printf("\t alignof_longdouble = %d;\n", alignof_longdouble);
printf("\t alignof_floatcomplex = %d;\n", alignof_floatcomplex);
Expand Down
4 changes: 4 additions & 0 deletions test/small1/c11-extendedFloat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,21 @@
_Float32 f32;
_Float64 f64;
_Float32x f32x;
#ifdef __HAVE_FLOAT64X
_Float64x f64x;
#endif


int main() {
if(sizeof(f32) != 4) {
E(1);
}

#ifdef __HAVE_FLOAT64X
if(sizeof(f64) != 8) {
E(2);
}
#endif

SUCCESS;
}