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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_32.S
18    *
19    * Code: Move a literal to a register. Uses no substitutions.
20    *
21    * For: const-wide/32
22    *
23    * Description: Move the given literal value (sign-extended to 64 bits)
24    *              into the specified register-pair
25    *
26    * Format: AA|op BBBBlo BBBBhi (31i)
27    *
28    * Syntax: op vAA, #+BBBBBBBB
29    */
30
31    FETCH       1,  %edx                # %edx<- BBBBlo
32    FETCHs      2, %ecx                 # %ecx<- BBBBhi
33    shl         $$16, %ecx              # prepare to create #+BBBBBBBB
34    or          %ecx, %edx              # %edx<- %edx<- #+BBBBBBBB
35    sar         $$31, %ecx              # %ecx<- sign bit
36    FFETCH_ADV  3, %eax                 # %eax<- next instruction hi; fetch, advance
37    movl        %edx, (rFP, rINST, 4)   # vAA<-  BBBBBBBB
38    movl        %ecx, 4(rFP, rINST, 4)  # vAA+1<- ssssssss
39    FGETOP_JMP  3, %eax                 # jump to next instruction; getop, jmp