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#include <linux/types.h> #include <linux/errno.h> #include <asm/uaccess.h> #include "soft-fp.h" #include "double.h" int fmul(void *frD, void *frA, void *frB) { FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); #endif __FP_UNPACK_D(A, frA); __FP_UNPACK_D(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", 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]\n", 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)) ret |= EFLAG_VXIMZ; FP_MUL_D(R, A, B); #ifdef DEBUG printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023); #endif return (ret | __FP_PACK_D(frD, R)); } |