#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> int fcmpu(u32 *ccr, int crfD, void *frA, void *frB) { FP_DECL_D(A); FP_DECL_D(B); FP_DECL_EX; int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) }; long cmp; #ifdef DEBUG printk("%s: %p (%08x) %d %p %p\n", __func__, ccr, *ccr, crfD, frA, frB); #endif FP_UNPACK_DP(A, frA); FP_UNPACK_DP(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; }