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author | ed <ed@FreeBSD.org> | 2010-11-11 15:13:11 +0000 |
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committer | ed <ed@FreeBSD.org> | 2010-11-11 15:13:11 +0000 |
commit | 870837e3e92f721a44db51308f2b900d928fb04f (patch) | |
tree | 9f851f7f6da4a4d9010d26bf17881d3bc5320f2b /contrib/compiler-rt/lib/arm/negdf2vfp.S | |
parent | a1b6fa69a6f674978270e402b8bba6552e152066 (diff) | |
parent | 653bb6745595746d04ad4acacaaab66caaaeb69b (diff) | |
download | FreeBSD-src-870837e3e92f721a44db51308f2b900d928fb04f.zip FreeBSD-src-870837e3e92f721a44db51308f2b900d928fb04f.tar.gz |
Import libcompiler_rt into HEAD and add Makefiles.
Obtained from: user/ed/compiler-rt
Diffstat (limited to 'contrib/compiler-rt/lib/arm/negdf2vfp.S')
-rw-r--r-- | contrib/compiler-rt/lib/arm/negdf2vfp.S | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/arm/negdf2vfp.S b/contrib/compiler-rt/lib/arm/negdf2vfp.S new file mode 100644 index 0000000..80139754 --- /dev/null +++ b/contrib/compiler-rt/lib/arm/negdf2vfp.S @@ -0,0 +1,21 @@ +//===-- 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. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// +// 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. +// + .align 2 +DEFINE_COMPILERRT_FUNCTION(__negdf2vfp) + eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair + bx lr |