#include <linux/types.h> | |
#include <linux/errno.h> | |
#include <asm/uaccess.h> | |
#include "soft-fp.h" | |
#include "double.h" | |
int | |
fcmpu(u32 *ccr, int crfD, void *frA, void *frB) | |
{ | |
FP_DECL_D(A); | |
FP_DECL_D(B); | |
int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) }; | |
long cmp; | |
#ifdef DEBUG | |
printk("%s: %p (%08x) %d %p %p\n", __FUNCTION__, ccr, *ccr, crfD, frA, frB); | |
#endif | |
__FP_UNPACK_D(A, frA); | |
__FP_UNPACK_D(B, frB); | |
#ifdef DEBUG | |
printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); | |
printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); | |
#endif | |
FP_CMP_D(cmp, A, B, 2); | |
cmp = code[(cmp + 1) & 3]; | |
__FPU_FPSCR &= ~(0x1f000); | |
__FPU_FPSCR |= (cmp << 12); | |
*ccr &= ~(15 << ((7 - crfD) << 2)); | |
*ccr |= (cmp << ((7 - crfD) << 2)); | |
#ifdef DEBUG | |
printk("CR: %08x\n", *ccr); | |
#endif | |
return 0; | |
} |