sysdeps/powerpc/powerpc32/fpu/fprrest.S

   1 /* Copyright (C) 2000, 2001, 2006 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, write to the Free
  16    Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA
  17    02110-1301 USA.  */
  18
  19 /*
  20     Floating Point Registers (FPRs) restore routine
  21 */
  22
  23 #include <sysdep.h>
  24
  25 ENTRY(_restfpr_all)
  26                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf14)
  27                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_14)
  28 C_TEXT(_restf14):
  29 C_TEXT(_restfpr_14):    lfd     fp14,-144(r1)
  30                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf15)
  31                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_15)
  32 C_TEXT(_restf15):
  33 C_TEXT(_restfpr_15):    lfd     fp15,-136(r1)
  34                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf16)
  35                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_16)
  36 C_TEXT(_restf16):
  37 C_TEXT(_restfpr_16):    lfd     fp16,-128(r1)
  38                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf17)
  39                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_17)
  40 C_TEXT(_restf17):
  41 C_TEXT(_restfpr_17):    lfd     fp17,-120(r1)
  42                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf18)
  43                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_18)
  44 C_TEXT(_restf18):
  45 C_TEXT(_restfpr_18):    lfd     fp18,-112(r1)
  46                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf19)
  47                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_19)
  48 C_TEXT(_restf19):
  49 C_TEXT(_restfpr_19):    lfd     fp19,-104(r1)
  50                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf20)
  51                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_20)
  52 C_TEXT(_restf20):
  53 C_TEXT(_restfpr_20):    lfd     fp20,-96(r1)
  54                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf21)
  55                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_21)
  56 C_TEXT(_restf21):
  57 C_TEXT(_restfpr_21):    lfd     fp21,-88(r1)
  58                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf22)
  59                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_22)
  60 C_TEXT(_restf22):
  61 C_TEXT(_restfpr_22):    lfd     fp22,-80(r1)
  62                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf23)
  63                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_23)
  64 C_TEXT(_restf23):
  65 C_TEXT(_restfpr_23):    lfd     fp23,-72(r1)
  66                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf24)
  67                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_24)
  68 C_TEXT(_restf24):
  69 C_TEXT(_restfpr_24):    lfd     fp24,-64(r1)
  70                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf25)
  71                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_25)
  72 C_TEXT(_restf25):
  73 C_TEXT(_restfpr_25):    lfd     fp25,-56(r1)
  74                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf26)
  75                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_26)
  76 C_TEXT(_restf26):
  77 C_TEXT(_restfpr_26):    lfd     fp26,-48(r1)
  78                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf27)
  79                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_27)
  80 C_TEXT(_restf27):
  81 C_TEXT(_restfpr_27):    lfd     fp27,-40(r1)
  82                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf28)
  83                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_28)
  84 C_TEXT(_restf28):
  85 C_TEXT(_restfpr_28):    lfd     fp28,-32(r1)
  86                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restf29)
  87                 ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_29)
  88 C_TEXT(_restf29):
  89 C_TEXT(_restfpr_29):    lwz     r0,8(r1)        #get return address from frame
  90                         lfd     fp29,-24(r1)    #restore f29
  91                         mtlr    r0              #move return address to LR
  92                         lfd     fp30,-16(r1)    #restore f30
  93                         lfd     fp31,-8(r1)     #restore f31
  94                         blr                     #return
  95 END (_restfpr_all)