floatsisfvfp.S revision 214152
1//===-- floatsisfvfp.S - Implement floatsisfvfp ---------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "../assembly.h"
11
12//
13// extern float __floatsisfvfp(int a);
14//
15// Converts single precision float to a 32-bit int rounding towards zero.
16// Uses Darwin calling convention where a single precision result is
17// return in a GPR..
18//
19	.align 2
20DEFINE_COMPILERRT_FUNCTION(__floatsisfvfp)
21	fmsr	s15, r0	     // move int to float register s15
22	fsitos	s15, s15     // convert 32-bit int in s15 to float in s15
23	fmrs	r0, s15      // move s15 to result register
24	bx	lr
25