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Kernel/userspace: rework floating point math

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SSE is now unconditionally enabled any where and most of math.h is now
actually implemented. using __builtin_<func> lead to many hangs where
the builtin function would just call itself.
This commit is contained in:
Bananymous
2024-11-03 20:25:35 +02:00
parent ed19bb11fe
commit f4be37700f
18 changed files with 827 additions and 210 deletions
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4
userspace/libraries/LibC/scanf_impl.cpp
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@@ -260,7 +260,6 @@ int scanf_impl(const char* format, va_list arguments, int (*__getc_fun)(bool adv
}
};
#if __enable_sse
auto parse_floating_point_internal =
[&parse_integer_internal, &get_input, &in]<int BASE, typename T>(BASE_TYPE<BASE>, bool negative, int width, T* out, bool require_start = true) -> ConversionResult
{
@@ -435,7 +434,6 @@ int scanf_impl(const char* format, va_list arguments, int (*__getc_fun)(bool adv
return ConversionResult::MATCH_FAILURE;
}
};
#endif
auto parse_string =
[&arguments, &get_input, &in](uint8_t* mask, bool exclude, bool suppress, bool allocate, int min_len, int max_len, bool terminate) -> ConversionResult
@@ -520,11 +518,9 @@ int scanf_impl(const char* format, va_list arguments, int (*__getc_fun)(bool adv
case 'x': result = parse_integer(BASE_TYPE<16>{}, IS_UNSIGNED<true> {}, conversion.suppress, conversion.field_width, conversion.length); break;
case 'X': result = parse_integer(BASE_TYPE<16>{}, IS_UNSIGNED<true> {}, conversion.suppress, conversion.field_width, conversion.length); break;
case 'p': result = parse_integer(BASE_TYPE<16>{}, IS_UNSIGNED<true> {}, conversion.suppress, conversion.field_width, LengthModifier::j); break;
#if __enable_sse
case 'a': case 'e': case 'f': case 'g':
result = parse_floating_point(conversion.suppress, conversion.field_width, conversion.length);
break;
#endif
case 'S':
conversion.length = LengthModifier::l;
// fall through