| Daniel Dunbar | 805c494 | 2009-10-27 17:49:19 +0000 | [diff] [blame] | 1 | //===-- restFP.S - Implement restFP ---------------------------------------===// |
| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| Howard Hinnant | 5b791f6 | 2010-11-16 22:13:33 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| Daniel Dunbar | 7d50478 | 2009-10-27 17:49:50 +0000 | [diff] [blame] | 10 | #include "../assembly.h" |
| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 11 | |
| 12 | // |
| 13 | // Helper function used by compiler to restore ppc floating point registers at |
| 14 | // the end of the function epilog. This function returns to the address |
| 15 | // in the LR slot. So a function epilog must branch (b) not branch and link |
| 16 | // (bl) to this function. |
| 17 | // If the compiler wants to restore f27..f31, it does a "b restFP+52" |
| 18 | // |
| 19 | // This function should never be exported by a shared library. Each linkage |
| 20 | // unit carries its own copy of this function. |
| 21 | // |
| Daniel Dunbar | ef89858 | 2010-01-18 22:19:20 +0000 | [diff] [blame] | 22 | DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(restFP) |
| Nick Kledzik | 64eecd2 | 2010-01-13 05:30:28 +0000 | [diff] [blame] | 23 | lfd f14,-144(r1) |
| 24 | lfd f15,-136(r1) |
| 25 | lfd f16,-128(r1) |
| 26 | lfd f17,-120(r1) |
| 27 | lfd f18,-112(r1) |
| 28 | lfd f19,-104(r1) |
| 29 | lfd f20,-96(r1) |
| 30 | lfd f21,-88(r1) |
| 31 | lfd f22,-80(r1) |
| 32 | lfd f23,-72(r1) |
| 33 | lfd f24,-64(r1) |
| 34 | lfd f25,-56(r1) |
| 35 | lfd f26,-48(r1) |
| 36 | lfd f27,-40(r1) |
| 37 | lfd f28,-32(r1) |
| 38 | lfd f29,-24(r1) |
| 39 | lfd f30,-16(r1) |
| 40 | lfd f31,-8(r1) |
| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 41 | lwz r0,8(r1) |
| Daniel Dunbar | ef89858 | 2010-01-18 22:19:20 +0000 | [diff] [blame] | 42 | mtlr r0 |
| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame] | 43 | blr |