diff options
Diffstat (limited to 'lib/builtins/arm/negsf2vfp.S')
| -rw-r--r-- | lib/builtins/arm/negsf2vfp.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/builtins/arm/negsf2vfp.S b/lib/builtins/arm/negsf2vfp.S new file mode 100644 index 0000000000000..a6e32e1ff89cf --- /dev/null +++ b/lib/builtins/arm/negsf2vfp.S @@ -0,0 +1,23 @@ +//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// +// +// 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" + +// +// extern float __negsf2vfp(float a); +// +// Returns the negation of a single precision floating point numbers using the +// Darwin calling convention where single arguments are passsed like 32-bit ints +// + .syntax unified + .p2align 2 +DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) + eor r0, r0, #-2147483648 // flip sign bit on float in r0 + bx lr +END_COMPILERRT_FUNCTION(__negsf2vfp) |