sysdeps/powerpc/powerpc32/fpu/fprsave.S

   1 /* Copyright (C) 2000-2023 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    <https://www.gnu.org/licenses/>.  */
  17
  18 /*
  19     Floating Point Registers (FPRs) save routine
  20 */
  21
  22 #include <sysdep.h>
  23
  24 ENTRY(_savefpr_all)
  25                 .globl C_TEXT(_savef14)
  26                 .globl C_TEXT(_savefpr_14)
  27 C_TEXT(_savef14):
  28 C_TEXT(_savefpr_14):    stfd    fp14,-144(r1)
  29                         cfi_offset(fp14,-144)
  30                 .globl C_TEXT(_savef15)
  31                 .globl C_TEXT(_savefpr_15)
  32 C_TEXT(_savef15):
  33 C_TEXT(_savefpr_15):    stfd    fp15,-136(r1)
  34                         cfi_offset(fp15,-136)
  35                 .globl C_TEXT(_savef16)
  36                 .globl C_TEXT(_savefpr_16)
  37 C_TEXT(_savef16):
  38 C_TEXT(_savefpr_16):    stfd    fp16,-128(r1)
  39                         cfi_offset(fp16,-128)
  40                 .globl C_TEXT(_savef17)
  41                 .globl C_TEXT(_savefpr_17)
  42 C_TEXT(_savef17):
  43 C_TEXT(_savefpr_17):    stfd    fp17,-120(r1)
  44                         cfi_offset(fp17,-120)
  45                 .globl C_TEXT(_savef18)
  46                 .globl C_TEXT(_savefpr_18)
  47 C_TEXT(_savef18):
  48 C_TEXT(_savefpr_18):    stfd    fp18,-112(r1)
  49                         cfi_offset(fp18,-112)
  50                 .globl C_TEXT(_savef19)
  51                 .globl C_TEXT(_savefpr_19)
  52 C_TEXT(_savef19):
  53 C_TEXT(_savefpr_19):    stfd    fp19,-104(r1)
  54                         cfi_offset(fp19,-104)
  55                 .globl C_TEXT(_savef20)
  56                 .globl C_TEXT(_savefpr_20)
  57 C_TEXT(_savef20):
  58 C_TEXT(_savefpr_20):    stfd    fp20,-96(r1)
  59                         cfi_offset(fp20,-96)
  60                 .globl C_TEXT(_savef21)
  61                 .globl C_TEXT(_savefpr_21)
  62 C_TEXT(_savef21):
  63 C_TEXT(_savefpr_21):    stfd    fp21,-88(r1)
  64                         cfi_offset(fp21,-88)
  65                 .globl C_TEXT(_savef22)
  66                 .globl C_TEXT(_savefpr_22)
  67 C_TEXT(_savef22):
  68 C_TEXT(_savefpr_22):    stfd    fp22,-80(r1)
  69                         cfi_offset(fp22,-80)
  70                 .globl C_TEXT(_savef23)
  71                 .globl C_TEXT(_savefpr_23)
  72 C_TEXT(_savef23):
  73 C_TEXT(_savefpr_23):    stfd    fp23,-72(r1)
  74                         cfi_offset(fp23,-72)
  75                 .globl C_TEXT(_savef24)
  76                 .globl C_TEXT(_savefpr_24)
  77 C_TEXT(_savef24):
  78 C_TEXT(_savefpr_24):    stfd    fp24,-64(r1)
  79                         cfi_offset(fp24,-64)
  80                 .globl C_TEXT(_savef25)
  81                 .globl C_TEXT(_savefpr_25)
  82 C_TEXT(_savef25):
  83 C_TEXT(_savefpr_25):    stfd    fp25,-56(r1)
  84                         cfi_offset(fp25,-56)
  85                 .globl C_TEXT(_savef26)
  86                 .globl C_TEXT(_savefpr_26)
  87 C_TEXT(_savef26):
  88 C_TEXT(_savefpr_26):    stfd    fp26,-48(r1)
  89                         cfi_offset(fp26,-48)
  90                 .globl C_TEXT(_savef27)
  91                 .globl C_TEXT(_savefpr_27)
  92 C_TEXT(_savef27):
  93 C_TEXT(_savefpr_27):    stfd    fp27,-40(r1)
  94                         cfi_offset(fp27,-40)
  95                 .globl C_TEXT(_savef28)
  96                 .globl C_TEXT(_savefpr_28)
  97 C_TEXT(_savef28):
  98 C_TEXT(_savefpr_28):    stfd    fp28,-32(r1)
  99                         cfi_offset(fp28,-32)
 100                 .globl C_TEXT(_savef29)
 101                 .globl C_TEXT(_savefpr_29)
 102 C_TEXT(_savef29):
 103 C_TEXT(_savefpr_29):    stfd    fp29,-24(r1)    #save f29
 104                         stfd    fp30,-16(r1)    #save f30
 105                         stfd    fp31,-8(r1)     #save f31
 106                         cfi_offset(fp29,-24)
 107                         cfi_offset(fp30,-16)
 108                         cfi_offset(fp31,-8)
 109                         stw     r0,8(r1)        #save LR in callers frame
 110                         blr                     #return
 111 END (_savefpr_all)