177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===-- gtsf2vfp.S - Implement gtsf2vfp -----------------------------------===// 277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// The LLVM Compiler Infrastructure 477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// This file is distributed under the University of Illinois Open Source 677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// License. See LICENSE.TXT for details. 777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===----------------------------------------------------------------------===// 977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include "../assembly.h" 1177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// extern int __gtsf2vfp(float a, float b); 1477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 153cf39d1f2044c5c18af3a650a1c5fa3edddfae9bShih-wei Liao// Returns one iff 1 - (a > b) and neither is NaN. 163cf39d1f2044c5c18af3a650a1c5fa3edddfae9bShih-wei Liao// Uses Darwin calling convention where single precision arguments are passsed 1777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// like 32-bit ints 1877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei LiaoDEFINE_COMPILERRT_FUNCTION(__gtsf2vfp) 2077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmsr s14, r0 // move from GPR 0 to float register 2177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmsr s15, r1 // move from GPR 1 to float register 2277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fcmps s14, s15 2377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmstat 243cf39d1f2044c5c18af3a650a1c5fa3edddfae9bShih-wei Liao movgt r0, #0 // set result register to 0 if equal 253cf39d1f2044c5c18af3a650a1c5fa3edddfae9bShih-wei Liao movle r0, #1 2677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao bx lr 2777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 28