diff options
Diffstat (limited to 'vm/mterp/x86-atom/OP_IGET_WIDE_QUICK.S')
| -rw-r--r-- | vm/mterp/x86-atom/OP_IGET_WIDE_QUICK.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/vm/mterp/x86-atom/OP_IGET_WIDE_QUICK.S b/vm/mterp/x86-atom/OP_IGET_WIDE_QUICK.S new file mode 100644 index 0000000..08a57f6 --- /dev/null +++ b/vm/mterp/x86-atom/OP_IGET_WIDE_QUICK.S @@ -0,0 +1,38 @@ + /* Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + /* + * File: OP_IGET_WIDE_QUICK.S + * + * Code: Optimization for iget + * + * For: iget/wide-quick + * + * Format: B|A|op CCCC (22c) + * + * Syntax: op vA, vB, offset@CCCC + */ + + movl rINST, %edx # %edx<- BA + shr $$4, %edx # %edx<- B + andl $$15, rINST # rINST<- A + GET_VREG %edx # %edx<- vB; object to operate on + cmp $$0, %edx # check if object is null + FFETCH_ADV 2, %eax # %eax<- next instruction hi; fetch, advance + je common_errNullObject # handle null object + FETCH 1, %ecx # %ecx<- CCCC; field byte offset + movq (%ecx, %edx), %xmm0 # %xmm0<- object field + movq %xmm0, (rFP, rINST, 4) # fp[A]<- %xmm0 + FGETOP_JMP 2, %eax # jump to next instruction; getop, jmp |