aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/cxxsupp/builtins/arm/gesf2vfp.S
blob: 834f4b17d466d307377142b8e972d0e5e6143816 (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
27
28
29
//===-- gesf2vfp.S - Implement gesf2vfp -----------------------------------===// 
// 
//                     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 __gesf2vfp(float a, float b); 
// 
// Returns one iff a >= b and neither is NaN. 
// Uses Darwin calling convention where single precision arguments are passsed  
// like 32-bit ints 
// 
	.syntax unified 
	.p2align 2 
DEFINE_COMPILERRT_FUNCTION(__gesf2vfp) 
	vmov	s14, r0	    // move from GPR 0 to float register 
	vmov	s15, r1	    // move from GPR 1 to float register 
	vcmp.f32 s14, s15 
	vmrs	apsr_nzcv, fpscr 
	movge	r0, #1      // set result register to 1 if greater than or equal 
	movlt	r0, #0 
	bx	lr 
END_COMPILERRT_FUNCTION(__gesf2vfp)