| /* 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_CMP_LONG.S |
| * |
| * Code: Compare floating point values. Uses no substitutions. |
| * |
| * For: cmp-long |
| * |
| * Description: Perform a long comparison, storing 0 if the two |
| * arguments are equal, 1 if the second argument is larger |
| * or -1 if the first argument is larger. |
| * |
| * Format: AA|op CC|BB (23x) |
| * |
| * Syntax: op vAA, vBB, vCC |
| */ |
| |
| FETCH_BB 1, %ecx # %ecx<- BB |
| FETCH_CC 1, %edx # %edx<- CC |
| movl 4(rFP, %ecx, 4), %eax # %eax<- vBBhi |
| cmp 4(rFP, %edx, 4), %eax # compare vCChi and vBBhi |
| jl .L${opcode}_less |
| jg .L${opcode}_greater |
| movl (rFP, %ecx, 4), %eax # %eax<- vBBlo |
| cmp (rFP, %edx, 4), %eax # compare vCClo and vBBlo |
| ja .L${opcode}_greater |
| jne .L${opcode}_less |
| jmp .L${opcode}_final |
| %break |
| |
| .L${opcode}_final: |
| movl $$0x0, (rFP, rINST, 4) # vAA<- equal |
| FINISH 2 # jump to next instruction |
| |
| .L${opcode}_less: |
| movl $$0xFFFFFFFF, (rFP, rINST, 4) # vAA<- less than |
| FINISH 2 # jump to next instruction |
| |
| .L${opcode}_greater: |
| movl $$0x1, (rFP, rINST, 4) # vAA<- greater than |
| FINISH 2 # jump to next instruction |