1 /* Copyright (C) 2008 The Android Open Source Project 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 /* 17 * File: OP_CONST.S 18 * 19 * Code: Move a literal to a register. Uses no substitutions. 20 * 21 * For: const 22 * 23 * Description: Move the given literal value into the specified register 24 * 25 * Format: AA|op BBBBlo BBBBhi (31i) 26 * 27 * Syntax: op vAA, #+BBBBBBBB 28 */ 29 30 FETCH 2, %edx # %edx<- BBBBhi 31 FETCH 1, %ecx # %ecx<- BBBBlo 32 shl $$16, %edx # move BBBB to high bits 33 or %edx, %ecx # %ecx<- #+BBBBBBBB 34 FFETCH_ADV 3, %eax # %eax<- next instruction hi; fetch, advance 35 SET_VREG %ecx, rINST # vAA<- %ecx; literal 36 FGETOP_JMP 3, %eax # jump to next instruction; getop, jmp 37
