blob: 6b69080ff3378bc6fd77175f3691bed62b55ad2f (
plain)
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
|
//===-- unordsf2vfp.S - Implement unordsf2vfp -----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// extern int __unordsf2vfp(float a, float b);
//
// Returns one iff a or b is NaN
// Uses Darwin calling convention where single precision arguments are passsed
// like 32-bit ints
//
.globl ___unordsf2vfp
___unordsf2vfp:
fmsr s14, r0 // move from GPR 0 to float register
fmsr s15, r1 // move from GPR 1 to float register
fcmps s14, s15
fmstat
movvs r0, #1 // set result register to 1 if "overflow" (any NaNs)
movvc r0, #0
bx lr
|
