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_WIDE_16.S 18 * 19 * Code: Move a literal to a register. Uses no substitutions. 20 * 21 * For: const-wide/16 22 * 23 * Description: Move the given literal value (sign-extended to 64 bits) 24 * into the specified register-pair 25 * 26 * Format: AA|op BBBB (21s) 27 * 28 * Syntax: op vAA, #+BBBB 29 */ 30 31 FETCHs 1, %ecx # %ecx<- ssssBBBB (sign-extended) 32 movl %ecx, %edx # %edx<- ssssBBBB (sign-extended) 33 sar $$31, %ecx # %ecx<- sign bit 34 FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance 35 movl %edx, (rFP, rINST, 4) # vAA<- ssssBBBB 36 movl %ecx, 4(rFP, rINST, 4) # vAA+1<- ssssssss 37 FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp 38