| /* |
| * Unconditional branch, 32-bit offset. |
| * |
| * The branch distance is a signed code-unit offset, which we need to |
| * double to get a byte offset. |
| * |
| * Unlike most opcodes, this one is allowed to branch to itself, so |
| * our "backward branch" test must be "<=0" instead of "<0". |
| */ |
| /* goto/32 +AAAAAAAA */ |
| #if MTERP_PROFILE_BRANCHES |
| FETCH(a0, 1) # a0 <- aaaa (lo) |
| FETCH(a1, 2) # a1 <- AAAA (hi) |
| sll a1, a1, 16 |
| or rINST, a0, a1 # rINST <- AAAAaaaa |
| EXPORT_PC() |
| move a0, rSELF |
| addu a1, rFP, OFF_FP_SHADOWFRAME |
| move a2, rINST |
| JAL(MterpProfileBranch) # (self, shadow_frame, offset) |
| bnez v0, MterpOnStackReplacement # Note: offset must be in rINST |
| addu a1, rINST, rINST # a1 <- byte offset |
| FETCH_ADVANCE_INST_RB(a1) # update rPC, load rINST |
| bgtz a1, 1f |
| lw ra, THREAD_FLAGS_OFFSET(rSELF) |
| b MterpCheckSuspendAndContinue |
| 1: |
| GET_INST_OPCODE(t0) # extract opcode from rINST |
| GOTO_OPCODE(t0) # jump to next instruction |
| #else |
| FETCH(a0, 1) # a0 <- aaaa (lo) |
| FETCH(a1, 2) # a1 <- AAAA (hi) |
| sll a1, a1, 16 |
| or rINST, a0, a1 # rINST <- AAAAaaaa |
| addu a1, rINST, rINST # a1 <- byte offset |
| FETCH_ADVANCE_INST_RB(a1) # update rPC, load rINST |
| bgtz a1, 1f |
| lw ra, THREAD_FLAGS_OFFSET(rSELF) |
| b MterpCheckSuspendAndContinue |
| 1: |
| GET_INST_OPCODE(t0) # extract opcode from rINST |
| GOTO_OPCODE(t0) # jump to next instruction |
| #endif |
