1 %default { "func":"MterpDoPackedSwitch" } 2 /* 3 * Handle a packed-switch or sparse-switch instruction. In both cases 4 * we decode it and hand it off to a helper function. 5 * 6 * We don't really expect backward branches in a switch statement, but 7 * they're perfectly legal, so we check for them here. 8 * 9 * for: packed-switch, sparse-switch 10 */ 11 /* op vAA, +BBBB */ 12 movslq 2(rPC), OUT_ARG0 # rcx <- ssssssssBBBBbbbb 13 leaq (rPC,OUT_ARG0,2), OUT_ARG0 # rcx <- PC + ssssssssBBBBbbbb*2 14 GET_VREG OUT_32_ARG1, rINSTq # eax <- vAA 15 call SYMBOL($func) 16 testl %eax, %eax 17 movslq %eax, rINSTq 18 jmp MterpCommonTakenBranch 19
