sysdeps/powerpc/powerpc32/fpu/fprrest.S

   1 /* Copyright (C) 2000-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 /*
  19     Floating Point Registers (FPRs) restore routine
  20 */
  21
  22 #include <sysdep.h>
  23
  24 ENTRY(_restfpr_all)
  25                 .globl C_TEXT(_restf14)
  26                 .globl C_TEXT(_restfpr_14)
  27 C_TEXT(_restf14):
  28 C_TEXT(_restfpr_14):    lfd     fp14,-144(r1)
  29                 .globl C_TEXT(_restf15)
  30                 .globl C_TEXT(_restfpr_15)
  31 C_TEXT(_restf15):
  32 C_TEXT(_restfpr_15):    lfd     fp15,-136(r1)
  33                 .globl C_TEXT(_restf16)
  34                 .globl C_TEXT(_restfpr_16)
  35 C_TEXT(_restf16):
  36 C_TEXT(_restfpr_16):    lfd     fp16,-128(r1)
  37                 .globl C_TEXT(_restf17)
  38                 .globl C_TEXT(_restfpr_17)
  39 C_TEXT(_restf17):
  40 C_TEXT(_restfpr_17):    lfd     fp17,-120(r1)
  41                 .globl C_TEXT(_restf18)
  42                 .globl C_TEXT(_restfpr_18)
  43 C_TEXT(_restf18):
  44 C_TEXT(_restfpr_18):    lfd     fp18,-112(r1)
  45                 .globl C_TEXT(_restf19)
  46                 .globl C_TEXT(_restfpr_19)
  47 C_TEXT(_restf19):
  48 C_TEXT(_restfpr_19):    lfd     fp19,-104(r1)
  49                 .globl C_TEXT(_restf20)
  50                 .globl C_TEXT(_restfpr_20)
  51 C_TEXT(_restf20):
  52 C_TEXT(_restfpr_20):    lfd     fp20,-96(r1)
  53                 .globl C_TEXT(_restf21)
  54                 .globl C_TEXT(_restfpr_21)
  55 C_TEXT(_restf21):
  56 C_TEXT(_restfpr_21):    lfd     fp21,-88(r1)
  57                 .globl C_TEXT(_restf22)
  58                 .globl C_TEXT(_restfpr_22)
  59 C_TEXT(_restf22):
  60 C_TEXT(_restfpr_22):    lfd     fp22,-80(r1)
  61                 .globl C_TEXT(_restf23)
  62                 .globl C_TEXT(_restfpr_23)
  63 C_TEXT(_restf23):
  64 C_TEXT(_restfpr_23):    lfd     fp23,-72(r1)
  65                 .globl C_TEXT(_restf24)
  66                 .globl C_TEXT(_restfpr_24)
  67 C_TEXT(_restf24):
  68 C_TEXT(_restfpr_24):    lfd     fp24,-64(r1)
  69                 .globl C_TEXT(_restf25)
  70                 .globl C_TEXT(_restfpr_25)
  71 C_TEXT(_restf25):
  72 C_TEXT(_restfpr_25):    lfd     fp25,-56(r1)
  73                 .globl C_TEXT(_restf26)
  74                 .globl C_TEXT(_restfpr_26)
  75 C_TEXT(_restf26):
  76 C_TEXT(_restfpr_26):    lfd     fp26,-48(r1)
  77                 .globl C_TEXT(_restf27)
  78                 .globl C_TEXT(_restfpr_27)
  79 C_TEXT(_restf27):
  80 C_TEXT(_restfpr_27):    lfd     fp27,-40(r1)
  81                 .globl C_TEXT(_restf28)
  82                 .globl C_TEXT(_restfpr_28)
  83 C_TEXT(_restf28):
  84 C_TEXT(_restfpr_28):    lfd     fp28,-32(r1)
  85                 .globl C_TEXT(_restf29)
  86                 .globl C_TEXT(_restfpr_29)
  87 C_TEXT(_restf29):
  88 C_TEXT(_restfpr_29):    lwz     r0,8(r1)        #get return address from frame
  89                         lfd     fp29,-24(r1)    #restore f29
  90                         mtlr    r0              #move return address to LR
  91                         lfd     fp30,-16(r1)    #restore f30
  92                         lfd     fp31,-8(r1)     #restore f31
  93                         blr                     #return
  94 END (_restfpr_all)