multi_arith.h File Reference

Go to the source code of this file.

Macros
#define	fp_mul64(desth, destl, src1, src2)
#define	fp_div64(quot, rem, srch, srcl, div)
#define	fp_add64(dest1, dest2, src1, src2)
#define	fp_addx96(dest, src)
#define	fp_sub64(dest, src)
#define	fp_sub96c(dest, srch, srcm, srcl)

Macro Definition Documentation

#define fp_add64	(		dest1,
			dest2,
			src1,
			src2
	)

Value:

({              \
    asm ("add.l %1,%0" : "=d,dm" (dest2)                \
        : "dm,d" (src2), "0,0" (dest2));            \
    asm ("addx.l %1,%0" : "=d" (dest1)              \
        : "d" (src1), "0" (dest1));             \
})

Definition at line 134 of file multi_arith.h.

#define fp_addx96	(		dest,
			src
	)

Value:

({                      \
    /* we assume here, gcc only insert move and a clr instr */  \
    asm volatile ("add.l %1,%0" : "=d,g" (dest->m32[2])     \
        : "g,d" (temp.m32[1]), "0,0" (dest->m32[2]));       \
    asm volatile ("addx.l %1,%0" : "=d" (dest->m32[1])      \
        : "d" (temp.m32[0]), "0" (dest->m32[1]));       \
    asm volatile ("addx.l %1,%0" : "=d" (dest->m32[0])      \
        : "d" (0), "0" (dest->m32[0]));             \
})

Definition at line 140 of file multi_arith.h.

#define fp_div64	(		quot,
			rem,
			srch,
			srcl,
			div
	)

Value:

asm ("divu.l %2,%1:%0" : "=d" (quot), "=d" (rem)        \
        : "dm" (div), "1" (srch), "0" (srcl))

Definition at line 131 of file multi_arith.h.

#define fp_mul64	(		desth,
			destl,
			src1,
			src2
	)

Value:

({              \
    asm ("mulu.l %2,%1:%0" : "=d" (destl), "=d" (desth)     \
        : "dm" (src1), "0" (src2));             \
})

Definition at line 127 of file multi_arith.h.

#define fp_sub64	(		dest,
			src
	)

Value:

({                      \
    asm ("sub.l %1,%0" : "=d,dm" (dest.m32[1])          \
        : "dm,d" (src.m32[1]), "0,0" (dest.m32[1]));        \
    asm ("subx.l %1,%0" : "=d" (dest.m32[0])            \
        : "d" (src.m32[0]), "0" (dest.m32[0]));         \
})

Definition at line 149 of file multi_arith.h.

#define fp_sub96c	(		dest,
			srch,
			srcm,
			srcl
	)

Value:

({              \
    char carry;                         \
    asm ("sub.l %1,%0" : "=d,dm" (dest.m32[2])          \
        : "dm,d" (srcl), "0,0" (dest.m32[2]));          \
    asm ("subx.l %1,%0" : "=d" (dest.m32[1])            \
        : "d" (srcm), "0" (dest.m32[1]));           \
    asm ("subx.l %2,%1; scs %0" : "=d" (carry), "=d" (dest.m32[0])  \
        : "d" (srch), "1" (dest.m32[0]));           \
    carry;                              \
})

Definition at line 155 of file multi_arith.h.