| //===-- fixdfsivfp.S - Implement fixdfsivfp -----------------------===// |
| // |
| // 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 __fixdfsivfp(double a); |
| // |
| // Converts double precision float to a 32-bit int rounding towards zero. |
| // Uses Darwin calling convention where a double precision parameter is |
| // passed in GPR register pair. |
| // |
| .syntax unified |
| .p2align 2 |
| DEFINE_COMPILERRT_FUNCTION(__fixdfsivfp) |
| vmov d7, r0, r1 // load double register from R0/R1 |
| vcvt.s32.f64 s15, d7 // convert double to 32-bit int into s15 |
| vmov r0, s15 // move s15 to result register |
| bx lr |
| END_COMPILERRT_FUNCTION(__fixdfsivfp) |
