1 #include <linux/types.h>
2 #include <linux/errno.h>
3 #include <asm/uaccess.h>
9 fcmpu(u32 *ccr, int crfD, void *frA, void *frB)
13 int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) };
17 printk("%s: %p (%08x) %d %p %p\n", __FUNCTION__, ccr, *ccr, crfD, frA, frB);
20 __FP_UNPACK_D(A, frA);
21 __FP_UNPACK_D(B, frB);
24 printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
25 printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
28 FP_CMP_D(cmp, A, B, 2);
29 cmp = code[(cmp + 1) & 3];
31 __FPU_FPSCR &= ~(0x1f000);
32 __FPU_FPSCR |= (cmp << 12);
34 *ccr &= ~(15 << ((7 - crfD) << 2));
35 *ccr |= (cmp << ((7 - crfD) << 2));
38 printk("CR: %08x\n", *ccr);