llfroml.s

来自「基于EP7312的MP3播放器源代码,包括MCU和PC端代码.」· S 代码 · 共 30 行

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//****************************************************************************//// LLFROML.S - Routine to convert a signed 32-bit value to a signed 64-bit//             values.//// Copyright (c) 1999,2000,2001 Cirrus Logic, Inc.////****************************************************************************#include "../../asmdefs.h"//****************************************************************************//// Read-only code area.////****************************************************************************    _TEXT_//****************************************************************************//// Convert a signed 32-bit value to a signed 64-bit value.////****************************************************************************    _EXPORT_ _ll_from_l_ll_from_l _LABEL_    mov     r1, r0, asr _CONST_ 31    mov     pc, r14    _END_

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