diff options
Diffstat (limited to 'compiler-rt/lib/arm/negdf2vfp.S')
| -rw-r--r-- | compiler-rt/lib/arm/negdf2vfp.S | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/compiler-rt/lib/arm/negdf2vfp.S b/compiler-rt/lib/arm/negdf2vfp.S new file mode 100644 index 00000000000..b047ccc726c --- /dev/null +++ b/compiler-rt/lib/arm/negdf2vfp.S @@ -0,0 +1,20 @@ +//===-- negdf2vfp.S - Implement negdf2vfp ---------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + + +// +// extern double __negdf2vfp(double a, double b); +// +// Returns the negation a double precision floating point numbers using the +// Darwin calling convention where double arguments are passsed in GPR pairs. +// + .globl ___negdf2vfp +___negdf2vfp: + eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair + bx lr |
