blob: ea5bea97c8f93158bd35ac8e6ad4509625d4074b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
//===-- floatunssidfvfp.S - Implement floatunssidfvfp ---------------------===//
//
// 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 double __floatunssidfvfp(unsigned 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
DEFINE_COMPILERRT_FUNCTION(__floatunssidfvfp)
vmov s15, r0 // move int to float register s15
vcvt.f64.u32 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
END_COMPILERRT_FUNCTION(__floatunssidfvfp)
|
