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//===-- subsf3vfp.S - Implement subsf3vfp ---------------------------------===//
//
// 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 __subsf3vfp(float a, float b);
//
// Returns the difference between two 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(__subsf3vfp)
#if defined(COMPILER_RT_ARMHF_TARGET)
vsub.f32 s0, s0, s1
#elsee
vmov s14, r0 // move first param from r0 into float register
vmov s15, r1 // move second param from r1 into float register
vsub.f32 s14, s14, s15
vmov r0, s14 // move result back to r0
#endif
bx lr
END_COMPILERRT_FUNCTION(__subsf3vfp)
NO_EXEC_STACK_DIRECTIVE
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