0ba22f51d1
Use the uniform single line C++/99 style for code comments. This is part of the cleanup proposed in "[RFC] compiler-rt builtins cleanup and refactoring". Differential Revision: https://reviews.llvm.org/D60352 llvm-svn: 359411
32 lines
1008 B
ArmAsm
32 lines
1008 B
ArmAsm
//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===//
|
|
//
|
|
// 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"
|
|
|
|
// double __adddf3vfp(double a, double b) { return a + b; }
|
|
//
|
|
// Adds 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(__adddf3vfp)
|
|
#if defined(COMPILER_RT_ARMHF_TARGET)
|
|
vadd.f64 d0, d0, d1
|
|
#else
|
|
vmov d6, r0, r1 // move first param from r0/r1 pair into d6
|
|
vmov d7, r2, r3 // move second param from r2/r3 pair into d7
|
|
vadd.f64 d6, d6, d7
|
|
vmov r0, r1, d6 // move result back to r0/r1 pair
|
|
#endif
|
|
bx lr
|
|
END_COMPILERRT_FUNCTION(__adddf3vfp)
|
|
|
|
NO_EXEC_STACK_DIRECTIVE
|
|
|