blob: 549d8b7ef7952ac15b784e7376444d3cf0c19ccd (
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
|
//===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===//
//
// 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 int __fixsfsivfp(float a);
//
// Converts single precision float to a 32-bit int rounding towards zero.
// Uses Darwin calling convention where a single precision parameter is
// passed in a GPR..
//
.syntax unified
.p2align 2
DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp)
vmov s15, r0 // load float register from R0
vcvt.s32.f32 s15, s15 // convert single to 32-bit int into s15
vmov r0, s15 // move s15 to result register
bx lr
END_COMPILERRT_FUNCTION(__fixsfsivfp)
|
