/* Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * File: OP_CONST_WIDE_32.S * * Code: Move a literal to a register. Uses no substitutions. * * For: const-wide/32 * * Description: Move the given literal value (sign-extended to 64 bits) * into the specified register-pair * * Format: AA|op BBBBlo BBBBhi (31i) * * Syntax: op vAA, #+BBBBBBBB */ FETCH 1, %edx # %edx<- BBBBlo FETCHs 2, %ecx # %ecx<- BBBBhi shl $$16, %ecx # prepare to create #+BBBBBBBB or %ecx, %edx # %edx<- %edx<- #+BBBBBBBB sar $$31, %ecx # %ecx<- sign bit FFETCH_ADV 3, %eax # %eax<- next instruction hi; fetch, advance movl %edx, (rFP, rINST, 4) # vAA<- BBBBBBBB movl %ecx, 4(rFP, rINST, 4) # vAA+1<- ssssssss FGETOP_JMP 3, %eax # jump to next instruction; getop, jmp