| %default { "func":"MterpDoPackedSwitch" } | |
| /* | |
| * 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. | |
| * | |
| * for: packed-switch, sparse-switch | |
| */ | |
| /* op vAA, +BBBBBBBB */ | |
| .extern $func | |
| lh a0, 2(rPC) # a0 <- bbbb (lo) | |
| lh a1, 4(rPC) # a1 <- BBBB (hi) | |
| srl a3, rINST, 8 # a3 <- AA | |
| ins a0, a1, 16, 16 # a0 <- BBBBbbbb | |
| GET_VREG a1, a3 # a1 <- vAA | |
| dlsa a0, a0, rPC, 1 # a0 <- PC + BBBBbbbb*2 | |
| jal $func # v0 <- code-unit branch offset | |
| move rINST, v0 | |
| b MterpCommonTakenBranchNoFlags |