%default { "func":"dvmInterpHandlePackedSwitch" } %verify executed /* * Handle a packed-switch or sparse-switch instruction. In both cases * we decode it and hand it off to a helper function. * * We don't really expect backward branches in a switch statement, but * they're perfectly legal, so we check for them here. * * When the JIT is present, all targets are considered treated as * a potential trace heads regardless of branch direction. * * for: packed-switch, sparse-switch */ /* op vAA, +BBBB */ FETCH(a0, 1) # a0 <- bbbb (lo) FETCH(a1, 2) # a1 <- BBBB (hi) GET_OPA(a3) # a3 <- AA sll t0, a1, 16 or a0, a0, t0 # a0 <- BBBBbbbb GET_VREG(a1, a3) # a1 <- vAA EAS1(a0, rPC, a0) # a0 <- PC + BBBBbbbb*2 JAL($func) # a0 <- code-unit branch offset addu a1, v0, v0 # a1 <- byte offset bgtz a1, 1f lw rIBASE, offThread_curHandlerTable(rSELF) # refresh handler base 1: FETCH_ADVANCE_INST_RB(a1) # update rPC, load rINST #if defined(WITH_JIT) lw a0, offThread_pJitProfTable(rSELF) bnez a0, common_updateProfile #endif GET_INST_OPCODE(t0) # extract opcode from rINST GOTO_OPCODE(t0) # jump to next instruction