llvm-project/compiler-rt/lib/builtins/arm/divsf3vfp.S

30 lines
917 B
ArmAsm

//===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===//
//
// 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 __divsf3vfp(float a, float b);
//
// Divides 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(__divsf3vfp)
vmov s14, r0 // move first param from r0 into float register
vmov s15, r1 // move second param from r1 into float register
vdiv.f32 s13, s14, s15
vmov r0, s13 // move result back to r0
bx lr
END_COMPILERRT_FUNCTION(__divsf3vfp)
NO_EXEC_STACK_DIRECTIVE