diff options
Diffstat (limited to 'vm/mterp/x86-atom/binopF2addr.S')
| -rw-r--r-- | vm/mterp/x86-atom/binopF2addr.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/vm/mterp/x86-atom/binopF2addr.S b/vm/mterp/x86-atom/binopF2addr.S new file mode 100644 index 0000000..135ca0c --- /dev/null +++ b/vm/mterp/x86-atom/binopF2addr.S @@ -0,0 +1,41 @@ + /* 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: binopF2addr.S + * + * Code: Generic 32-bit "/2addr" binary operation. Provides an + * "instr" line to specify an instruction that performs + * "%xmm0 = %xmm0 op %xmm1". + * + * For: add-float/2addr, mul-float/2addr, sub-float/2addr + * + * Description: Perform a binary operation on two sources registers + * and store the result in the first source register + * + * Format: B|A|op (12x) + * + * Syntax: op vA, vB + */ + + movl rINST, %ecx # %ecx<- BA + andl $$15, %ecx # %ecx<- A + shr $$4, rINST # rINST<- B + FFETCH_ADV 1, %edx # %ecx<- next instruction hi; fetch, advance + movss (rFP, %ecx, 4), %xmm0 # %xmm0<- vA + movss (rFP, rINST, 4), %xmm1 # %xmm1<- vB + $instr # %xmm0<- vA op vB + movss %xmm0, (rFP, %ecx, 4) # vA<- %xmm0; result + FGETOP_JMP 1, %edx # jump to next instruction; getop, jmp |