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Linux/arch/powerpc/math-emu/fcmpo.c

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Diff markup

Differences between /arch/powerpc/math-emu/fcmpo.c (Version linux-6.11-rc3) and /arch/ppc/math-emu/fcmpo.c (Version linux-2.6.0)


  1 // SPDX-License-Identifier: GPL-2.0            << 
  2 #include <linux/types.h>                            1 #include <linux/types.h>
  3 #include <linux/errno.h>                            2 #include <linux/errno.h>
  4 #include <linux/uaccess.h>                     !!   3 #include <asm/uaccess.h>
  5                                                     4 
  6 #include <asm/sfp-machine.h>                   !!   5 #include "soft-fp.h"
  7 #include <math-emu/soft-fp.h>                  !!   6 #include "double.h"
  8 #include <math-emu/double.h>                   << 
  9                                                     7 
 10 int                                                 8 int
 11 fcmpo(u32 *ccr, int crfD, void *frA, void *frB      9 fcmpo(u32 *ccr, int crfD, void *frA, void *frB)
 12 {                                                  10 {
 13         FP_DECL_D(A);                              11         FP_DECL_D(A);
 14         FP_DECL_D(B);                              12         FP_DECL_D(B);
 15         FP_DECL_EX;                            << 
 16         int code[4] = { (1 << 3), (1 << 1), (1     13         int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) };
 17         long cmp;                                  14         long cmp;
                                                   >>  15         int ret = 0;
 18                                                    16 
 19 #ifdef DEBUG                                       17 #ifdef DEBUG
 20         printk("%s: %p (%08x) %d %p %p\n", __f !!  18         printk("%s: %p (%08x) %d %p %p\n", __FUNCTION__, ccr, *ccr, crfD, frA, frB);
 21 #endif                                             19 #endif
 22                                                    20 
 23         FP_UNPACK_DP(A, frA);                  !!  21         __FP_UNPACK_D(A, frA);
 24         FP_UNPACK_DP(B, frB);                  !!  22         __FP_UNPACK_D(B, frB);
 25                                                    23 
 26 #ifdef DEBUG                                       24 #ifdef DEBUG
 27         printk("A: %ld %lu %lu %ld (%ld)\n", A     25         printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
 28         printk("B: %ld %lu %lu %ld (%ld)\n", B     26         printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
 29 #endif                                             27 #endif
 30                                                    28 
 31         if (A_c == FP_CLS_NAN || B_c == FP_CLS     29         if (A_c == FP_CLS_NAN || B_c == FP_CLS_NAN)
 32                 FP_SET_EXCEPTION(EFLAG_VXVC);  !!  30                 ret |= EFLAG_VXVC;
 33                                                    31 
 34         FP_CMP_D(cmp, A, B, 2);                    32         FP_CMP_D(cmp, A, B, 2);
 35         cmp = code[(cmp + 1) & 3];                 33         cmp = code[(cmp + 1) & 3];
 36                                                    34 
 37         __FPU_FPSCR &= ~(0x1f000);                 35         __FPU_FPSCR &= ~(0x1f000);
 38         __FPU_FPSCR |= (cmp << 12);                36         __FPU_FPSCR |= (cmp << 12);
 39                                                    37 
 40         *ccr &= ~(15 << ((7 - crfD) << 2));        38         *ccr &= ~(15 << ((7 - crfD) << 2));
 41         *ccr |= (cmp << ((7 - crfD) << 2));        39         *ccr |= (cmp << ((7 - crfD) << 2));
 42                                                    40 
 43 #ifdef DEBUG                                       41 #ifdef DEBUG
 44         printk("CR: %08x\n", *ccr);                42         printk("CR: %08x\n", *ccr);
 45 #endif                                             43 #endif
 46                                                    44 
 47         return FP_CUR_EXCEPTIONS;              !!  45         return ret;
 48 }                                                  46 }
 49                                                    47 

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