blob: fcb7509ebf9166002008fa591969e54363481380 [file] [log] [blame]
%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 SYMBOL($func)
REFRESH_IBASE
testl %eax, %eax
movl %eax, rINST
jmp MterpCommonTakenBranch