| //===-- fixunssfsivfp.S - Implement fixunssfsivfp -------------------------===// |
| // |
| // 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 unsigned int __fixunssfsivfp(float a); |
| // |
| // Converts single precision float to a 32-bit unsigned int rounding towards |
| // zero. All negative values become zero. |
| // Uses Darwin calling convention where a single precision parameter is |
| // passed in a GPR.. |
| // |
| .syntax unified |
| .p2align 2 |
| DEFINE_COMPILERRT_FUNCTION(__fixunssfsivfp) |
| #if defined(COMPILER_RT_ARMHF_TARGET) |
| vcvt.u32.f32 s0, s0 |
| vmov r0, s0 |
| #else |
| vmov s15, r0 // load float register from R0 |
| vcvt.u32.f32 s15, s15 // convert single to 32-bit unsigned into s15 |
| vmov r0, s15 // move s15 to result register |
| #endif |
| bx lr |
| END_COMPILERRT_FUNCTION(__fixunssfsivfp) |
| |
| NO_EXEC_STACK_DIRECTIVE |
| |