5113f6f70
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kernel add
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#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>
#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
#include <math-emu/double.h>
#include <math-emu/single.h>
int
fmuls(void *frD, void *frA, void *frB)
{
FP_DECL_D(A);
FP_DECL_D(B);
FP_DECL_D(R);
FP_DECL_EX;
#ifdef DEBUG
printk("%s: %p %p %p
", __func__, frD, frA, frB);
#endif
FP_UNPACK_DP(A, frA);
FP_UNPACK_DP(B, frB);
#ifdef DEBUG
printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]
",
A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023);
printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]
",
B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023);
#endif
if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
(A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
FP_SET_EXCEPTION(EFLAG_VXIMZ);
FP_MUL_D(R, A, B);
#ifdef DEBUG
printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]
",
R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023);
#endif
__FP_PACK_DS(frD, R);
return FP_CUR_EXCEPTIONS;
}
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