blob: ae8d2465889c6f83f7488783dbd48add1ec0526e [file] [log] [blame]
//===-- floatsidfvfp.S - Implement floatsidfvfp ---------------------------===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "../assembly.h"
// extern double __floatsidfvfp(int a);
// Converts a 32-bit int to a double precision float.
// Uses Darwin calling convention where a double precision result is
// return in GPR register pair.
.syntax unified
.p2align 2
vmov s0, r0
vcvt.f64.s32 d0, s0
vmov s15, r0 // move int to float register s15
vcvt.f64.s32 d7, s15 // convert 32-bit int in s15 to double in d7
vmov r0, r1, d7 // move d7 to result register pair r0/r1
bx lr