Home | History | Annotate | Download | only in arm
      1 //===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "../assembly.h"
     11 
     12 //
     13 // extern float __floatunssisfvfp(unsigned int a);
     14 //
     15 // Converts single precision float to a 32-bit int rounding towards zero.
     16 // Uses Darwin calling convention where a single precision result is
     17 // return in a GPR..
     18 //
     19 	.syntax unified
     20 	.p2align 2
     21 DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp)
     22 	vmov	s15, r0	       // move int to float register s15
     23 	vcvt.f32.u32 s15, s15  // convert 32-bit int in s15 to float in s15
     24 	vmov	r0, s15        // move s15 to result register
     25 	bx	lr
     26 END_COMPILERRT_FUNCTION(__floatunssisfvfp)
     27