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/* 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
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