| %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, +BBBB */ |
| movl 2(rPC), %ecx # ecx <- BBBBbbbb |
| GET_VREG %eax rINST # eax <- vAA |
| leal (rPC,%ecx,2), %ecx # ecx <- PC + BBBBbbbb*2 |
| movl %eax, OUT_ARG1(%esp) # ARG1 <- vAA |
| movl %ecx, OUT_ARG0(%esp) # ARG0 <- switchData |
| call $func |
| addl %eax, %eax |
| leal (rPC, %eax), rPC |
| FETCH_INST |
| REFRESH_IBASE |
| jg 1f |
| #if MTERP_SUSPEND |
| # REFRESH_IBASE - we did it above. |
| #else |
| jmp MterpCheckSuspendAndContinue |
| #endif |
| 1: |
| GOTO_NEXT |