%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