diff options
Diffstat (limited to 'lib/builtins/arm/fixunssfsivfp.S')
| -rw-r--r-- | lib/builtins/arm/fixunssfsivfp.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/builtins/arm/fixunssfsivfp.S b/lib/builtins/arm/fixunssfsivfp.S new file mode 100644 index 000000000000..5c3a7d926fcc --- /dev/null +++ b/lib/builtins/arm/fixunssfsivfp.S @@ -0,0 +1,27 @@ +//===-- fixunssfsivfp.S - Implement fixunssfsivfp -------------------------===// +// +// 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 unsigned int __fixunssfsivfp(float a); +// +// Converts single precision float to a 32-bit unsigned int rounding towards +// zero. All negative values become zero. +// Uses Darwin calling convention where a single precision parameter is +// passed in a GPR.. +// + .syntax unified + .p2align 2 +DEFINE_COMPILERRT_FUNCTION(__fixunssfsivfp) + vmov s15, r0 // load float register from R0 + vcvt.u32.f32 s15, s15 // convert single to 32-bit unsigned into s15 + vmov r0, s15 // move s15 to result register + bx lr +END_COMPILERRT_FUNCTION(__fixunssfsivfp) |