| //===-- 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../assembly.h" |
| |
| // |
| // 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 |
| // |
| DEFINE_COMPILERRT_FUNCTION(__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 |
| |
