| /* 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: binopDivRemLong.S |
| * |
| * Code: 64-bit long divide operation. Variable |
| * "func" defines the function called to do the operation. |
| * |
| * For: div-long, rem-long |
| * |
| * Description: Perform a binary operation on two source registers |
| * and store the result in a destination register. |
| * |
| * Format: AA|op CC|BB (23x) |
| * |
| * Syntax: op vAA, vBB, vCC |
| */ |
| |
| %default {"func":"__divdi3"} |
| |
| FETCH_CC 1, %edx # %edx<- CC |
| movl (rFP, %edx, 4), %eax # %eax<- vCC |
| movl 4(rFP, %edx, 4), %ecx # %ecx<- vCC+1 |
| movl %eax, -8(%esp) # push arg vCC |
| or %ecx, %eax # check for divide by zero |
| je common_errDivideByZero # handle divide by zero |
| FETCH_BB 1, %edx # %edx<- BB |
| movl %ecx, -4(%esp) # push arg vCC+1 |
| movq (rFP, %edx, 4), %xmm0 # %xmm0<- vBB,vBB+1 |
| jmp .L${opcode}_finish |
| %break |
| .L${opcode}_finish: |
| movq %xmm0, -16(%esp) # push arg vBB,vBB+1 |
| lea -16(%esp), %esp |
| call $func # call func |
| lea 16(%esp), %esp |
| movl %eax, (rFP, rINST, 4) # vAA<- return low |
| movl %edx, 4(rFP, rINST, 4) # vAA+1<- return high |
| FINISH 2 # jump to next instruction |
