diff options
Diffstat (limited to 'lib/arm/save_vfp_d8_d15_regs.S')
| -rw-r--r-- | lib/arm/save_vfp_d8_d15_regs.S | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/lib/arm/save_vfp_d8_d15_regs.S b/lib/arm/save_vfp_d8_d15_regs.S deleted file mode 100644 index fbd21ba38358..000000000000 --- a/lib/arm/save_vfp_d8_d15_regs.S +++ /dev/null @@ -1,35 +0,0 @@ -//===-- save_restore_regs.S - Implement save/restore* ---------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "../assembly.h" - -// -// When compiling C++ functions that need to handle thrown exceptions the -// compiler is required to save all registers and call __Unwind_SjLj_Register -// in the function prolog. But when compiling for thumb1, there are -// no instructions to access the floating point registers, so the -// compiler needs to add a call to the helper function _save_vfp_d8_d15_regs -// written in ARM to save the float registers. In the epilog, the compiler -// must also add a call to __restore_vfp_d8_d15_regs to restore those registers. -// - - .text - .syntax unified - -// -// Save registers d8-d15 onto stack -// - .align 2 -DEFINE_COMPILERRT_PRIVATE_FUNCTION(__save_vfp_d8_d15_regs) - vstmdb sp!, {d8-d15} // push registers d8-d15 onto stack - bx lr // return to prolog - - // tell linker it can break up file at label boundaries - .subsections_via_symbols - |