diff options
Diffstat (limited to 'arch/alpha/math-emu')
| -rw-r--r-- | arch/alpha/math-emu/Makefile | 2 | ||||
| -rw-r--r-- | arch/alpha/math-emu/math.c | 13 | ||||
| -rw-r--r-- | arch/alpha/math-emu/qrnnd.S | 163 |
3 files changed, 6 insertions, 172 deletions
diff --git a/arch/alpha/math-emu/Makefile b/arch/alpha/math-emu/Makefile index 6eda0973e183..3206402a8792 100644 --- a/arch/alpha/math-emu/Makefile +++ b/arch/alpha/math-emu/Makefile @@ -7,4 +7,4 @@ ccflags-y := -w obj-$(CONFIG_MATHEMU) += math-emu.o -math-emu-objs := math.o qrnnd.o +math-emu-objs := math.o diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c index d568cd9a3e43..68d420bfd3c0 100644 --- a/arch/alpha/math-emu/math.c +++ b/arch/alpha/math-emu/math.c @@ -4,6 +4,7 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <asm/ptrace.h> +#include <asm/fpu.h> #include <linux/uaccess.h> @@ -45,12 +46,6 @@ #define MISC_TRAPB 0x0000 #define MISC_EXCB 0x0400 -extern unsigned long alpha_read_fp_reg (unsigned long reg); -extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); -extern unsigned long alpha_read_fp_reg_s (unsigned long reg); -extern void alpha_write_fp_reg_s (unsigned long reg, unsigned long val); - - #ifdef MODULE MODULE_DESCRIPTION("FP Software completion module"); @@ -65,7 +60,7 @@ static long (*save_emul) (unsigned long pc); long do_alpha_fp_emul_imprecise(struct pt_regs *, unsigned long); long do_alpha_fp_emul(unsigned long); -int init_module(void) +static int alpha_fp_emul_init_module(void) { save_emul_imprecise = alpha_fp_emul_imprecise; save_emul = alpha_fp_emul; @@ -73,12 +68,14 @@ int init_module(void) alpha_fp_emul = do_alpha_fp_emul; return 0; } +module_init(alpha_fp_emul_init_module); -void cleanup_module(void) +static void alpha_fp_emul_cleanup_module(void) { alpha_fp_emul_imprecise = save_emul_imprecise; alpha_fp_emul = save_emul; } +module_exit(alpha_fp_emul_cleanup_module); #undef alpha_fp_emul_imprecise #define alpha_fp_emul_imprecise do_alpha_fp_emul_imprecise diff --git a/arch/alpha/math-emu/qrnnd.S b/arch/alpha/math-emu/qrnnd.S deleted file mode 100644 index d6373ec1bff9..000000000000 --- a/arch/alpha/math-emu/qrnnd.S +++ /dev/null @@ -1,163 +0,0 @@ - # Alpha 21064 __udiv_qrnnd - # Copyright (C) 1992, 1994, 1995, 2000 Free Software Foundation, Inc. - - # This file is part of GCC. - - # The GNU MP Library is free software; you can redistribute it and/or modify - # it under the terms of the GNU General Public License as published by - # the Free Software Foundation; either version 2 of the License, or (at your - # option) any later version. - - # In addition to the permissions in the GNU General Public License, the - # Free Software Foundation gives you unlimited permission to link the - # compiled version of this file with other programs, and to distribute - # those programs without any restriction coming from the use of this - # file. (The General Public License restrictions do apply in other - # respects; for example, they cover modification of the file, and - # distribution when not linked into another program.) - - # This file is distributed in the hope that it will be useful, but - # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public - # License for more details. - - # You should have received a copy of the GNU General Public License - # along with GCC; see the file COPYING. If not, write to the - # Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, - # MA 02111-1307, USA. - - .set noreorder - .set noat - - .text - - .globl __udiv_qrnnd - .ent __udiv_qrnnd -__udiv_qrnnd: - .frame $30,0,$26,0 - .prologue 0 - -#define cnt $2 -#define tmp $3 -#define rem_ptr $16 -#define n1 $17 -#define n0 $18 -#define d $19 -#define qb $20 -#define AT $at - - ldiq cnt,16 - blt d,$largedivisor - -$loop1: cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule d,n1,qb - subq n1,d,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule d,n1,qb - subq n1,d,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule d,n1,qb - subq n1,d,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule d,n1,qb - subq n1,d,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - subq cnt,1,cnt - bgt cnt,$loop1 - stq n1,0(rem_ptr) - bis $31,n0,$0 - ret $31,($26),1 - -$largedivisor: - and n0,1,$4 - - srl n0,1,n0 - sll n1,63,tmp - or tmp,n0,n0 - srl n1,1,n1 - - and d,1,$6 - srl d,1,$5 - addq $5,$6,$5 - -$loop2: cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule $5,n1,qb - subq n1,$5,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule $5,n1,qb - subq n1,$5,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule $5,n1,qb - subq n1,$5,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - cmplt n0,0,tmp - addq n1,n1,n1 - bis n1,tmp,n1 - addq n0,n0,n0 - cmpule $5,n1,qb - subq n1,$5,tmp - cmovne qb,tmp,n1 - bis n0,qb,n0 - subq cnt,1,cnt - bgt cnt,$loop2 - - addq n1,n1,n1 - addq $4,n1,n1 - bne $6,$Odd - stq n1,0(rem_ptr) - bis $31,n0,$0 - ret $31,($26),1 - -$Odd: - /* q' in n0. r' in n1 */ - addq n1,n0,n1 - - cmpult n1,n0,tmp # tmp := carry from addq - subq n1,d,AT - addq n0,tmp,n0 - cmovne tmp,AT,n1 - - cmpult n1,d,tmp - addq n0,1,AT - cmoveq tmp,AT,n0 - subq n1,d,AT - cmoveq tmp,AT,n1 - - stq n1,0(rem_ptr) - bis $31,n0,$0 - ret $31,($26),1 - - .end __udiv_qrnnd |