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Diffstat (limited to 'lib/arm/mulsf3vfp.S')
| -rw-r--r-- | lib/arm/mulsf3vfp.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/arm/mulsf3vfp.S b/lib/arm/mulsf3vfp.S new file mode 100644 index 000000000000..49b4d1df9468 --- /dev/null +++ b/lib/arm/mulsf3vfp.S @@ -0,0 +1,24 @@ +//===-- mulsf3vfp.S - Implement mulsf3vfp ---------------------------------===// +// +// 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 float __mulsf3vfp(float a, float b); +// +// Multiplies two single precision floating point numbers using the Darwin +// calling convention where single arguments are passsed like 32-bit ints. +// + .align 2 +DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp) + fmsr s14, r0 // move first param from r0 into float register + fmsr s15, r1 // move second param from r1 into float register + fmuls s13, s14, s15 + fmrs r0, s13 // move result back to r0 + bx lr |