forked from KolibriOS/kolibrios
114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
#define _FP_W_TYPE_SIZE 32
|
|
#define _FP_W_TYPE unsigned int
|
|
#define _FP_WS_TYPE signed int
|
|
#define _FP_I_TYPE int
|
|
|
|
#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
|
|
__asm__ ("add{l} {%11,%3|%3,%11}\n\t" \
|
|
"adc{l} {%9,%2|%2,%9}\n\t" \
|
|
"adc{l} {%7,%1|%1,%7}\n\t" \
|
|
"adc{l} {%5,%0|%0,%5}" \
|
|
: "=r" ((USItype) (r3)), \
|
|
"=&r" ((USItype) (r2)), \
|
|
"=&r" ((USItype) (r1)), \
|
|
"=&r" ((USItype) (r0)) \
|
|
: "%0" ((USItype) (x3)), \
|
|
"g" ((USItype) (y3)), \
|
|
"%1" ((USItype) (x2)), \
|
|
"g" ((USItype) (y2)), \
|
|
"%2" ((USItype) (x1)), \
|
|
"g" ((USItype) (y1)), \
|
|
"%3" ((USItype) (x0)), \
|
|
"g" ((USItype) (y0)))
|
|
#define __FP_FRAC_ADD_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
|
|
__asm__ ("add{l} {%8,%2|%2,%8}\n\t" \
|
|
"adc{l} {%6,%1|%1,%6}\n\t" \
|
|
"adc{l} {%4,%0|%0,%4}" \
|
|
: "=r" ((USItype) (r2)), \
|
|
"=&r" ((USItype) (r1)), \
|
|
"=&r" ((USItype) (r0)) \
|
|
: "%0" ((USItype) (x2)), \
|
|
"g" ((USItype) (y2)), \
|
|
"%1" ((USItype) (x1)), \
|
|
"g" ((USItype) (y1)), \
|
|
"%2" ((USItype) (x0)), \
|
|
"g" ((USItype) (y0)))
|
|
#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \
|
|
__asm__ ("sub{l} {%11,%3|%3,%11}\n\t" \
|
|
"sbb{l} {%9,%2|%2,%9}\n\t" \
|
|
"sbb{l} {%7,%1|%1,%7}\n\t" \
|
|
"sbb{l} {%5,%0|%0,%5}" \
|
|
: "=r" ((USItype) (r3)), \
|
|
"=&r" ((USItype) (r2)), \
|
|
"=&r" ((USItype) (r1)), \
|
|
"=&r" ((USItype) (r0)) \
|
|
: "0" ((USItype) (x3)), \
|
|
"g" ((USItype) (y3)), \
|
|
"1" ((USItype) (x2)), \
|
|
"g" ((USItype) (y2)), \
|
|
"2" ((USItype) (x1)), \
|
|
"g" ((USItype) (y1)), \
|
|
"3" ((USItype) (x0)), \
|
|
"g" ((USItype) (y0)))
|
|
#define __FP_FRAC_SUB_3(r2,r1,r0,x2,x1,x0,y2,y1,y0) \
|
|
__asm__ ("sub{l} {%8,%2|%2,%8}\n\t" \
|
|
"sbb{l} {%6,%1|%1,%6}\n\t" \
|
|
"sbb{l} {%4,%0|%0,%4}" \
|
|
: "=r" ((USItype) (r2)), \
|
|
"=&r" ((USItype) (r1)), \
|
|
"=&r" ((USItype) (r0)) \
|
|
: "0" ((USItype) (x2)), \
|
|
"g" ((USItype) (y2)), \
|
|
"1" ((USItype) (x1)), \
|
|
"g" ((USItype) (y1)), \
|
|
"2" ((USItype) (x0)), \
|
|
"g" ((USItype) (y0)))
|
|
#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \
|
|
__asm__ ("add{l} {%4,%3|%3,%4}\n\t" \
|
|
"adc{l} {$0,%2|%2,0}\n\t" \
|
|
"adc{l} {$0,%1|%1,0}\n\t" \
|
|
"adc{l} {$0,%0|%0,0}" \
|
|
: "+r" ((USItype) (x3)), \
|
|
"+&r" ((USItype) (x2)), \
|
|
"+&r" ((USItype) (x1)), \
|
|
"+&r" ((USItype) (x0)) \
|
|
: "g" ((USItype) (i)))
|
|
|
|
|
|
#define _FP_MUL_MEAT_S(R,X,Y) \
|
|
_FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_D(R,X,Y) \
|
|
_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
|
|
#define _FP_MUL_MEAT_Q(R,X,Y) \
|
|
_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
|
|
|
|
#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y)
|
|
#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
|
|
#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
|
|
|
|
#define _FP_NANFRAC_S _FP_QNANBIT_S
|
|
#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
|
|
/* Even if XFmode is 12byte, we have to pad it to
|
|
16byte since soft-fp emulation is done in 16byte. */
|
|
#define _FP_NANFRAC_E _FP_QNANBIT_E, 0, 0, 0
|
|
#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
|
|
|
|
#ifndef _SOFT_FLOAT
|
|
#define FP_EX_SHIFT 0
|
|
|
|
#define _FP_DECL_EX \
|
|
unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
|
|
|
|
#define FP_RND_NEAREST 0
|
|
#define FP_RND_ZERO 0xc00
|
|
#define FP_RND_PINF 0x800
|
|
#define FP_RND_MINF 0x400
|
|
|
|
#define FP_RND_MASK 0xc00
|
|
|
|
#define FP_INIT_ROUNDMODE \
|
|
do { \
|
|
__asm__ __volatile__ ("fnstcw\t%0" : "=m" (_fcw)); \
|
|
} while (0)
|
|
#endif
|