1*0b57cec5SDimitry Andric #ifndef COMPILERRT_DD_HEADER
2*0b57cec5SDimitry Andric #define COMPILERRT_DD_HEADER
3*0b57cec5SDimitry Andric
4*0b57cec5SDimitry Andric #include "../int_lib.h"
5*0b57cec5SDimitry Andric
6*0b57cec5SDimitry Andric typedef union {
7*0b57cec5SDimitry Andric long double ld;
8*0b57cec5SDimitry Andric struct {
9*0b57cec5SDimitry Andric double hi;
10*0b57cec5SDimitry Andric double lo;
11*0b57cec5SDimitry Andric } s;
12*0b57cec5SDimitry Andric } DD;
13*0b57cec5SDimitry Andric
14*0b57cec5SDimitry Andric typedef union {
15*0b57cec5SDimitry Andric double d;
16*0b57cec5SDimitry Andric uint64_t x;
17*0b57cec5SDimitry Andric } doublebits;
18*0b57cec5SDimitry Andric
19*0b57cec5SDimitry Andric #define LOWORDER(xy, xHi, xLo, yHi, yLo) \
20*0b57cec5SDimitry Andric (((((xHi) * (yHi) - (xy)) + (xHi) * (yLo)) + (xLo) * (yHi)) + (xLo) * (yLo))
21*0b57cec5SDimitry Andric
local_fabs(double x)22*0b57cec5SDimitry Andric static __inline ALWAYS_INLINE double local_fabs(double x) {
23*0b57cec5SDimitry Andric doublebits result = {.d = x};
24*0b57cec5SDimitry Andric result.x &= UINT64_C(0x7fffffffffffffff);
25*0b57cec5SDimitry Andric return result.d;
26*0b57cec5SDimitry Andric }
27*0b57cec5SDimitry Andric
high26bits(double x)28*0b57cec5SDimitry Andric static __inline ALWAYS_INLINE double high26bits(double x) {
29*0b57cec5SDimitry Andric doublebits result = {.d = x};
30*0b57cec5SDimitry Andric result.x &= UINT64_C(0xfffffffff8000000);
31*0b57cec5SDimitry Andric return result.d;
32*0b57cec5SDimitry Andric }
33*0b57cec5SDimitry Andric
different_sign(double x,double y)34*0b57cec5SDimitry Andric static __inline ALWAYS_INLINE int different_sign(double x, double y) {
35*0b57cec5SDimitry Andric doublebits xsignbit = {.d = x}, ysignbit = {.d = y};
36*0b57cec5SDimitry Andric int result = (int)(xsignbit.x >> 63) ^ (int)(ysignbit.x >> 63);
37*0b57cec5SDimitry Andric return result;
38*0b57cec5SDimitry Andric }
39*0b57cec5SDimitry Andric
40*0b57cec5SDimitry Andric long double __gcc_qadd(long double, long double);
41*0b57cec5SDimitry Andric long double __gcc_qsub(long double, long double);
42*0b57cec5SDimitry Andric long double __gcc_qmul(long double, long double);
43*0b57cec5SDimitry Andric long double __gcc_qdiv(long double, long double);
44*0b57cec5SDimitry Andric
45*0b57cec5SDimitry Andric #endif // COMPILERRT_DD_HEADER
46