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