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Get libc/tinymath/ compiling on aarch64

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Justine Tunney 2023-05-02 18:35:25 -07:00
parent 2b73e72d59
commit 135080fd3e
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GPG key ID: BE714B4575D6E328
243 changed files with 7773 additions and 4027 deletions
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49
libc/tinymath/ldshape.internal.h
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@ -1,8 +1,12 @@
#ifndef COSMOPOLITAN_LIBC_TINYMATH_LDSHAPE_INTERNAL_H_
#define COSMOPOLITAN_LIBC_TINYMATH_LDSHAPE_INTERNAL_H_
#include "libc/math.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && \
__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
union ldshape {
long double f;
struct {
@ -10,6 +14,51 @@ union ldshape {
uint16_t se;
} i;
};
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 && \
__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
/* This is the m68k variant of 80-bit long double, and this definition only
* works on archs where the alignment requirement of uint64_t is <= 4. */
union ldshape {
long double f;
struct {
uint16_t se;
uint16_t pad;
uint64_t m;
} i;
};
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384 && \
__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
union ldshape {
long double f;
struct {
uint64_t lo;
uint32_t mid;
uint16_t top;
uint16_t se;
} i;
struct {
uint64_t lo;
uint64_t hi;
} i2;
};
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384 && \
__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
union ldshape {
long double f;
struct {
uint16_t se;
uint16_t top;
uint32_t mid;
uint64_t lo;
} i;
struct {
uint64_t hi;
uint64_t lo;
} i2;
};
#else
#error Unsupported long double representation
#endif
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */