6910484: incorrect integer optimization (loosing and op-r in a given example)
Summary: Remove AND operation only if mask is equal to shift.
Reviewed-by: never
/* * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. *//* Native Platform Toolkit */#ifndef _NPT_H#define _NPT_H#define NPT_VERSION "0.0.0"#include <stdio.h>#include "jni.h"#include "npt_md.h"#include "utf.h"#define NPT_ERROR(s) { (void)fprintf(stderr, "NPT ERROR: %s\n", s); exit(1); }#ifdef __cplusplusextern "C" {#endiftypedef struct { /* Used to save handle to our own dynamicly loaded library */ void *libhandle; /* Copy of the options sent in at initialization */ char *options; /* Can be used to save the UtfInst handle */ struct UtfInst *utf; /* UTF interfaces, see utf.c */ struct UtfInst* (JNICALL *utfInitialize) (char *options); void (JNICALL *utfTerminate) (struct UtfInst *utf, char *options); int (JNICALL *utf8ToPlatform) (struct UtfInst *utf, jbyte *utf8, int len, char *output, int outputMaxLen); int (JNICALL *utf8FromPlatform) (struct UtfInst *utf, char *str, int len, jbyte *output, int outputMaxLen); int (JNICALL *utf8ToUtf16) (struct UtfInst *utf, jbyte *utf8, int len, jchar *output, int outputMaxLen); int (JNICALL *utf16ToUtf8m) (struct UtfInst *utf, jchar *utf16, int len, jbyte *output, int outputMaxLen); int (JNICALL *utf16ToUtf8s) (struct UtfInst *utf, jchar *utf16, int len, jbyte *output, int outputMaxLen); int (JNICALL *utf8sToUtf8mLength) (struct UtfInst *utf, jbyte *string, int length); void (JNICALL *utf8sToUtf8m) (struct UtfInst *utf, jbyte *string, int length, jbyte *newString, int newLength); int (JNICALL *utf8mToUtf8sLength) (struct UtfInst *utf, jbyte *string, int length); void (JNICALL *utf8mToUtf8s) (struct UtfInst *utf, jbyte *string, int length, jbyte *newString, int newLength);} NptEnv;/* Typedefs for the only 2 'extern' functions in npt library: * nptInitialize and nptTerminate * See NPT_INITIALIZE() and NPT_TERMINATE() in npt_md.h. */JNIEXPORT void JNICALL nptInitialize (NptEnv **pnpt, char *nptVersion, char *options);typedef JNIEXPORT void (JNICALL *NptInitialize) (NptEnv **pnpt, char *nptVersion, char *options);JNIEXPORT void JNICALL nptTerminate (NptEnv* npt, char *options);typedef JNIEXPORT void (JNICALL *NptTerminate) (NptEnv* npt, char *options);#ifdef __cplusplus} /* extern "C" */#endif /* __cplusplus */#endif