diff options
Diffstat (limited to 'vm/mterp/x86/OP_GOTO_16.S')
| -rw-r--r-- | vm/mterp/x86/OP_GOTO_16.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/vm/mterp/x86/OP_GOTO_16.S b/vm/mterp/x86/OP_GOTO_16.S new file mode 100644 index 0000000..3feb33b --- /dev/null +++ b/vm/mterp/x86/OP_GOTO_16.S @@ -0,0 +1,15 @@ +%verify "executed" +%verify "forward and backward" + /* + * Unconditional branch, 16-bit offset. + * + * The branch distance is a signed code-unit offset + */ + /* goto/16 +AAAA */ + movswl 2(rPC),rINST_FULL # rINST_FULL<- ssssAAAA + testl rINST_FULL,rINST_FULL # test for <0 + js common_backwardBranch + movl rINST_FULL,%eax + FETCH_INST_INDEXED(%eax) + ADVANCE_PC_INDEXED(%eax) + GOTO_NEXT |