forked from OSchip/llvm-project
25 lines
831 B
ArmAsm
25 lines
831 B
ArmAsm
//===-- floatsidfvfp.S - Implement floatsidfvfp ---------------------------===//
|
|
//
|
|
// 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 double __floatsidfvfp(int a);
|
|
//
|
|
// Converts a 32-bit int to a double precision float.
|
|
// Uses Darwin calling convention where a double precision result is
|
|
// return in GPR register pair.
|
|
//
|
|
.align 2
|
|
DEFINE_COMPILERRT_FUNCTION(__floatsidfvfp)
|
|
fmsr s15, r0 // move int to float register s15
|
|
fsitod d7, s15 // convert 32-bit int in s15 to double in d7
|
|
fmrrd r0, r1, d7 // move d7 to result register pair r0/r1
|
|
bx lr
|