xref: /dflybsd-src/contrib/gcc-8.0/libgcc/config/i386/64/sfp-machine.h (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1*38fd1498Szrj #define _FP_W_TYPE_SIZE		64
2*38fd1498Szrj #define _FP_W_TYPE		unsigned long long
3*38fd1498Szrj #define _FP_WS_TYPE		signed long long
4*38fd1498Szrj #define _FP_I_TYPE		long long
5*38fd1498Szrj 
6*38fd1498Szrj typedef int TItype __attribute__ ((mode (TI)));
7*38fd1498Szrj typedef unsigned int UTItype __attribute__ ((mode (TI)));
8*38fd1498Szrj 
9*38fd1498Szrj #define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
10*38fd1498Szrj 
11*38fd1498Szrj #define _FP_MUL_MEAT_Q(R,X,Y)				\
12*38fd1498Szrj   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
13*38fd1498Szrj 
14*38fd1498Szrj #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
15*38fd1498Szrj 
16*38fd1498Szrj #define _FP_NANFRAC_S		_FP_QNANBIT_S
17*38fd1498Szrj #define _FP_NANFRAC_D		_FP_QNANBIT_D
18*38fd1498Szrj #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0
19*38fd1498Szrj #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
20*38fd1498Szrj 
21*38fd1498Szrj #ifndef _SOFT_FLOAT
22*38fd1498Szrj #define FP_EX_SHIFT 7
23*38fd1498Szrj 
24*38fd1498Szrj #define _FP_DECL_EX \
25*38fd1498Szrj   unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
26*38fd1498Szrj 
27*38fd1498Szrj #define FP_RND_NEAREST		0
28*38fd1498Szrj #define FP_RND_ZERO		0x6000
29*38fd1498Szrj #define FP_RND_PINF		0x4000
30*38fd1498Szrj #define FP_RND_MINF		0x2000
31*38fd1498Szrj 
32*38fd1498Szrj #define FP_RND_MASK		0x6000
33*38fd1498Szrj 
34*38fd1498Szrj #define FP_INIT_ROUNDMODE					\
35*38fd1498Szrj   do {								\
36*38fd1498Szrj     __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw));	\
37*38fd1498Szrj   } while (0)
38*38fd1498Szrj #endif
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