diff options
Diffstat (limited to 'contrib/gcc/config/rs6000/darwin-fpsave.asm')
| -rw-r--r-- | contrib/gcc/config/rs6000/darwin-fpsave.asm | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/contrib/gcc/config/rs6000/darwin-fpsave.asm b/contrib/gcc/config/rs6000/darwin-fpsave.asm deleted file mode 100644 index 86d4760b0b67..000000000000 --- a/contrib/gcc/config/rs6000/darwin-fpsave.asm +++ /dev/null @@ -1,102 +0,0 @@ -/* This file contains the floating-point save and restore routines. - * - * Copyright (C) 2004 Free Software Foundation, Inc. - * - * This file 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, 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 - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - * As a special exception, if you link this library with files - * compiled with GCC to produce an executable, this does not cause the - * resulting executable to be covered by the GNU General Public License. - * This exception does not however invalidate any other reasons why the - * executable file might be covered by the GNU General Public License. - */ - -/* THE SAVE AND RESTORE ROUTINES CAN HAVE ONLY ONE GLOBALLY VISIBLE - ENTRY POINT - callers have to jump to "saveFP+60" to save f29..f31, - for example. For FP reg saves/restores, it takes one instruction - (4 bytes) to do the operation; for Vector regs, 2 instructions are - required (8 bytes.) - - MORAL: DO NOT MESS AROUND WITH THESE FUNCTIONS! */ - -#include "darwin-asm.h" - -.text - .align 2 - -/* saveFP saves R0 -- assumed to be the callers LR -- to 8/16(R1). */ - -.private_extern saveFP -saveFP: - stfd f14,-144(r1) - stfd f15,-136(r1) - stfd f16,-128(r1) - stfd f17,-120(r1) - stfd f18,-112(r1) - stfd f19,-104(r1) - stfd f20,-96(r1) - stfd f21,-88(r1) - stfd f22,-80(r1) - stfd f23,-72(r1) - stfd f24,-64(r1) - stfd f25,-56(r1) - stfd f26,-48(r1) - stfd f27,-40(r1) - stfd f28,-32(r1) - stfd f29,-24(r1) - stfd f30,-16(r1) - stfd f31,-8(r1) - stg r0,SAVED_LR_OFFSET(r1) - blr - -/* restFP restores the caller`s LR from 8/16(R1). Note that the code for - this starts at the offset of F30 restoration, so calling this - routine in an attempt to restore only F31 WILL NOT WORK (it would - be a stupid thing to do, anyway.) */ - -.private_extern restFP -restFP: - lfd f14,-144(r1) - lfd f15,-136(r1) - lfd f16,-128(r1) - lfd f17,-120(r1) - lfd f18,-112(r1) - lfd f19,-104(r1) - lfd f20,-96(r1) - lfd f21,-88(r1) - lfd f22,-80(r1) - lfd f23,-72(r1) - lfd f24,-64(r1) - lfd f25,-56(r1) - lfd f26,-48(r1) - lfd f27,-40(r1) - lfd f28,-32(r1) - lfd f29,-24(r1) - /* <OFFSET OF F30 RESTORE> restore callers LR */ - lg r0,SAVED_LR_OFFSET(r1) - lfd f30,-16(r1) - /* and prepare for return to caller */ - mtlr r0 - lfd f31,-8(r1) - blr |