blob: 7c7d0ecf5a94a9c156b5b71daeb7d734fb39f1bd [file] [log] [blame]
/*
* Unconditional branch, 8-bit offset.
*
* The branch distance is a signed code-unit offset, which we need to
* double to get a byte offset.
*/
/* goto +AA */
.extern MterpProfileBranch
srl rINST, rINST, 8
seb rINST, rINST # rINST <- offset (sign-extended AA)
#if MTERP_PROFILE_BRANCHES
EXPORT_PC
move a0, rSELF
daddu a1, rFP, OFF_FP_SHADOWFRAME
move a2, rINST
jal MterpProfileBranch # (self, shadow_frame, offset)
bnezc v0, MterpOnStackReplacement # Note: offset must be in rINST
#endif
dlsa rPC, rINST, rPC, 1 # rPC <- rPC + offset * 2
lw ra, THREAD_FLAGS_OFFSET(rSELF) # Preload flags for MterpCheckSuspendAndContinue
move a0, rINST # a0 <- offset
FETCH_INST # load rINST
bltz a0, MterpCheckSuspendAndContinue # suspend check if backwards branch
GET_INST_OPCODE v0 # extract opcode from rINST
GOTO_OPCODE v0 # jump to next instruction