|  | //===-- divdf3vfp.S - Implement divdf3vfp ---------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "../assembly.h" | 
|  |  | 
|  | // | 
|  | // extern double __divdf3vfp(double a, double b); | 
|  | // | 
|  | // Divides two double precision floating point numbers using the Darwin | 
|  | // calling convention where double arguments are passsed in GPR pairs | 
|  | // | 
|  | .syntax unified | 
|  | .p2align 2 | 
|  | DEFINE_COMPILERRT_FUNCTION(__divdf3vfp) | 
|  | #if defined(COMPILER_RT_ARMHF_TARGET) | 
|  | vdiv.f64 d0, d0, d1 | 
|  | #else | 
|  | VMOV_TO_DOUBLE(d6, r0, r1)		// move first param from r0/r1 pair into d6 | 
|  | VMOV_TO_DOUBLE(d7, r2, r3)		// move second param from r2/r3 pair into d7 | 
|  | vdiv.f64 d5, d6, d7 | 
|  | VMOV_FROM_DOUBLE(r0, r1, d5)		// move result back to r0/r1 pair | 
|  | #endif | 
|  | bx	lr | 
|  | END_COMPILERRT_FUNCTION(__divdf3vfp) | 
|  |  | 
|  | NO_EXEC_STACK_DIRECTIVE | 
|  |  |