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_4.S 18 * 19 * Code: Moves a literal to a register. Uses no substitutions. 20 * 21 * For: const/4 22 * 23 * Description: Move the given literal value (right-sign-extended to 32 24 * bits) into the specified register. 25 * 26 * Format: B|A|op (11n) 27 * 28 * Syntax: op vA, #+B 29 */ 30 31 movl rINST, %edx # %edx<- BA 32 andl $$15, rINST # rINST<- A 33 FFETCH_ADV 1, %eax # %eax<- next i nstruction hi; fetch, advance 34 shl $$24, %edx # %edx<- B000 35 addl $$2, rPC # update PC 36 sar $$28, %edx # %edx<- right-zero-extended B 37 SET_VREG %edx, rINST # vA<- %edx; literal 38 FGETOP_JMP2 %eax # jump to next instruction; getop, jmp
