| //===-- ltdf2vfp.S - Implement ltdf2vfp -----------------------------------===// |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| //===----------------------------------------------------------------------===// |
| // extern double __ltdf2vfp(double a, double b); |
| // Returns one iff a < b and neither is NaN. |
| // Uses Darwin calling convention where double precision arguments are passsed |
| DEFINE_COMPILERRT_FUNCTION(__ltdf2vfp) |
| #if defined(COMPILER_RT_ARMHF_TARGET) |
| vmov d6, r0, r1 // load r0/r1 pair in double register |
| vmov d7, r2, r3 // load r2/r3 pair in double register |
| movmi r0, #1 // set result register to 1 if equal |
| END_COMPILERRT_FUNCTION(__ltdf2vfp) |
