| //===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===// |
| // |
| // 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 float __floatunssisfvfp(unsigned int a); |
| // |
| // Converts single precision float to a 32-bit int rounding towards zero. |
| // Uses Darwin calling convention where a single precision result is |
| // return in a GPR.. |
| // |
| .syntax unified |
| .p2align 2 |
| DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp) |
| #if defined(COMPILER_RT_ARMHF_TARGET) |
| vmov s0, r0 |
| vcvt.f32.u32 s0, s0 |
| #else |
| vmov s15, r0 // move int to float register s15 |
| vcvt.f32.u32 s15, s15 // convert 32-bit int in s15 to float in s15 |
| vmov r0, s15 // move s15 to result register |
| #endif |
| bx lr |
| END_COMPILERRT_FUNCTION(__floatunssisfvfp) |
| |
| NO_EXEC_STACK_DIRECTIVE |
| |
