eqsf2vfp.S revision 222656 
1//===-- eqsf2vfp.S - Implement eqsf2vfp -----------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "../assembly.h"
11
12//
13// extern int __eqsf2vfp(float a, float b);
14//
15// Returns one iff a == b and neither is NaN.
16// Uses Darwin calling convention where single precision arguments are passsed
17// like 32-bit ints
18//
19	.align 2
20DEFINE_COMPILERRT_FUNCTION(__eqsf2vfp)
21	fmsr	s14, r0     // move from GPR 0 to float register
22	fmsr	s15, r1	    // move from GPR 1 to float register
23	fcmps	s14, s15
24	fmstat
25	moveq	r0, #1      // set result register to 1 if equal
26	movne	r0, #0
27	bx	lr
28
29