blob: 75db49edd499c560256c17adf94febb6ebfdee46 [file] [log] [blame]
Alexey Frunze00b53b72016-02-02 20:25:45 -08001 /*
2 * Generic one-operand compare-and-branch operation. Provide a "condition"
3 * fragment that specifies the comparison to perform, e.g. for
4 * "if-lez" you would use "le".
5 *
6 * For: if-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez
7 */
8 /* if-cmp vAA, +BBBB */
Alexey Frunze00b53b72016-02-02 20:25:45 -08009 srl a2, rINST, 8 # a2 <- AA
Alexey Frunzedb045be2016-03-03 17:50:48 -080010 lh rINST, 2(rPC) # rINST <- offset (sign-extended BBBB)
Alexey Frunze00b53b72016-02-02 20:25:45 -080011 GET_VREG a0, a2 # a0 <- vAA
Douglas Leung020b18a2016-06-03 18:05:35 -070012 b${condition}zc a0, MterpCommonTakenBranchNoFlags
13 li v0, JIT_CHECK_OSR # possible OSR re-entry?
14 beqc rPROFILE, v0, .L_check_not_taken_osr
15 FETCH_ADVANCE_INST 2 # advance rPC, load rINST
Alexey Frunze00b53b72016-02-02 20:25:45 -080016 GET_INST_OPCODE v0 # extract opcode from rINST
17 GOTO_OPCODE v0 # jump to next instruction