| %verify "branch taken" |
| %verify "branch not taken" |
| /* |
| * Generic one-operand compare-and-branch operation. Provide a "revcmp" |
| * fragment that specifies the *reverse* comparison to perform, e.g. |
| * for "if-le" you would use "gt". |
| * |
| * for: if-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez |
| */ |
| /* if-cmp vAA, +BBBB */ |
| movzx rINST_HI,%ecx # ecx <- AA |
| cmpl $$0,(rFP,%ecx,4) # compare (vA, 0) |
| movswl 2(rPC),rINST_FULL # fetch signed displacement |
| movl $$2,%eax # assume branch not taken |
| j${revcmp} 1f |
| testl rINST_FULL,rINST_FULL |
| js common_backwardBranch |
| movl rINST_FULL,%eax |
| 1: |
| FETCH_INST_INDEXED(%eax) |
| ADVANCE_PC_INDEXED(%eax) |
| GOTO_NEXT |
