diff options
Diffstat (limited to 'contrib/compiler-rt/lib/arm/fixsfsivfp.S')
| -rw-r--r-- | contrib/compiler-rt/lib/arm/fixsfsivfp.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/arm/fixsfsivfp.S b/contrib/compiler-rt/lib/arm/fixsfsivfp.S new file mode 100644 index 0000000..ce6f18e --- /dev/null +++ b/contrib/compiler-rt/lib/arm/fixsfsivfp.S @@ -0,0 +1,24 @@ +//===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===// +// +// 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 int __fixsfsivfp(float a); +// +// Converts single precision float to a 32-bit int rounding towards zero. +// Uses Darwin calling convention where a single precision parameter is +// passed in a GPR.. +// + .align 2 +DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp) + fmsr s15, r0 // load float register from R0 + ftosizs s15, s15 // convert single to 32-bit int into s15 + fmrs r0, s15 // move s15 to result register + bx lr |
