60 	union mips_instruction insn = (union mips_instruction)dec_insn.insn;  in __mm_isBranchInstr()  local
68 	switch (insn.mm_i_format.opcode) {  in __mm_isBranchInstr()
70 		if ((insn.mm_i_format.simmediate & MM_POOL32A_MINOR_MASK) ==  in __mm_isBranchInstr()
72 			switch (insn.mm_i_format.simmediate >>  in __mm_isBranchInstr()
78 				if (insn.mm_i_format.rt != 0)	/* Not mm_jr */  in __mm_isBranchInstr()
79 					regs->regs[insn.mm_i_format.rt] =  in __mm_isBranchInstr()
83 				*contpc = regs->regs[insn.mm_i_format.rs];  in __mm_isBranchInstr()
89 		switch (insn.mm_i_format.rt) {  in __mm_isBranchInstr()
97 			if ((long)regs->regs[insn.mm_i_format.rs] < 0)  in __mm_isBranchInstr()
100 					(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
113 			if ((long)regs->regs[insn.mm_i_format.rs] >= 0)  in __mm_isBranchInstr()
116 					(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
123 			if ((long)regs->regs[insn.mm_i_format.rs] <= 0)  in __mm_isBranchInstr()
126 					(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
133 			if ((long)regs->regs[insn.mm_i_format.rs] <= 0)  in __mm_isBranchInstr()
136 					(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
158 			bit = (insn.mm_i_format.rs >> 2);  in __mm_isBranchInstr()
164 					(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
172 		switch (insn.mm_i_format.rt) {  in __mm_isBranchInstr()
179 			*contpc = regs->regs[insn.mm_i_format.rs];  in __mm_isBranchInstr()
184 		if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] == 0)  in __mm_isBranchInstr()
187 				(insn.mm_b1_format.simmediate << 1);  in __mm_isBranchInstr()
193 		if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] != 0)  in __mm_isBranchInstr()
196 				(insn.mm_b1_format.simmediate << 1);  in __mm_isBranchInstr()
203 			 (insn.mm_b0_format.simmediate << 1);  in __mm_isBranchInstr()
206 		if (regs->regs[insn.mm_i_format.rs] ==  in __mm_isBranchInstr()
207 		    regs->regs[insn.mm_i_format.rt])  in __mm_isBranchInstr()
210 				(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
217 		if (regs->regs[insn.mm_i_format.rs] !=  in __mm_isBranchInstr()
218 		    regs->regs[insn.mm_i_format.rt])  in __mm_isBranchInstr()
221 				(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
232 		*contpc |= (insn.j_format.target << 2);  in __mm_isBranchInstr()
243 		*contpc |= (insn.j_format.target << 1);  in __mm_isBranchInstr()
281 	mminsn.insn = word;  in __microMIPS_compute_return_epc()
417 				   union mips_instruction insn)  in __compute_return_epc_for_insn()  argument
423 	switch (insn.i_format.opcode) {  in __compute_return_epc_for_insn()
428 		switch (insn.r_format.func) {  in __compute_return_epc_for_insn()
430 			regs->regs[insn.r_format.rd] = epc + 8;  in __compute_return_epc_for_insn()
433 			if (NO_R6EMU && insn.r_format.func == jr_op)  in __compute_return_epc_for_insn()
435 			regs->cp0_epc = regs->regs[insn.r_format.rs];  in __compute_return_epc_for_insn()
446 		switch (insn.i_format.rt) {  in __compute_return_epc_for_insn()
451 			if ((long)regs->regs[insn.i_format.rs] < 0) {  in __compute_return_epc_for_insn()
452 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
453 				if (insn.i_format.rt == bltzl_op)  in __compute_return_epc_for_insn()
464 			if ((long)regs->regs[insn.i_format.rs] >= 0) {  in __compute_return_epc_for_insn()
465 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
466 				if (insn.i_format.rt == bgezl_op)  in __compute_return_epc_for_insn()
475 			if (NO_R6EMU && (insn.i_format.rs ||  in __compute_return_epc_for_insn()
476 			    insn.i_format.rt == bltzall_op))  in __compute_return_epc_for_insn()
485 			if (!insn.i_format.rs) {  in __compute_return_epc_for_insn()
492 					(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
496 			if ((long)regs->regs[insn.i_format.rs] < 0) {  in __compute_return_epc_for_insn()
497 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
498 				if (insn.i_format.rt == bltzall_op)  in __compute_return_epc_for_insn()
507 			if (NO_R6EMU && (insn.i_format.rs ||  in __compute_return_epc_for_insn()
508 			    insn.i_format.rt == bgezall_op))  in __compute_return_epc_for_insn()
517 			if (!insn.i_format.rs) {  in __compute_return_epc_for_insn()
524 					(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
528 			if ((long)regs->regs[insn.i_format.rs] >= 0) {  in __compute_return_epc_for_insn()
529 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
530 				if (insn.i_format.rt == bgezall_op)  in __compute_return_epc_for_insn()
544 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
562 		epc |= (insn.j_format.target << 2);  in __compute_return_epc_for_insn()
564 		if (insn.i_format.opcode == jalx_op)  in __compute_return_epc_for_insn()
575 		if (regs->regs[insn.i_format.rs] ==  in __compute_return_epc_for_insn()
576 		    regs->regs[insn.i_format.rt]) {  in __compute_return_epc_for_insn()
577 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
578 			if (insn.i_format.opcode == beql_op)  in __compute_return_epc_for_insn()
589 		if (regs->regs[insn.i_format.rs] !=  in __compute_return_epc_for_insn()
590 		    regs->regs[insn.i_format.rt]) {  in __compute_return_epc_for_insn()
591 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
592 			if (insn.i_format.opcode == bnel_op)  in __compute_return_epc_for_insn()
600 		if (!insn.i_format.rt && NO_R6EMU)  in __compute_return_epc_for_insn()
616 		if (cpu_has_mips_r6 && insn.i_format.rt) {  in __compute_return_epc_for_insn()
617 			if ((insn.i_format.opcode == blez_op) &&  in __compute_return_epc_for_insn()
618 			    ((!insn.i_format.rs && insn.i_format.rt) ||  in __compute_return_epc_for_insn()
619 			     (insn.i_format.rs == insn.i_format.rt)))  in __compute_return_epc_for_insn()
625 		if ((long)regs->regs[insn.i_format.rs] <= 0) {  in __compute_return_epc_for_insn()
626 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
627 			if (insn.i_format.opcode == blezl_op)  in __compute_return_epc_for_insn()
635 		if (!insn.i_format.rt && NO_R6EMU)  in __compute_return_epc_for_insn()
651 		if (cpu_has_mips_r6 && insn.i_format.rt) {  in __compute_return_epc_for_insn()
652 			if ((insn.i_format.opcode == blez_op) &&  in __compute_return_epc_for_insn()
653 			    ((!insn.i_format.rs && insn.i_format.rt) ||  in __compute_return_epc_for_insn()
654 			    (insn.i_format.rs == insn.i_format.rt)))  in __compute_return_epc_for_insn()
661 		if ((long)regs->regs[insn.i_format.rs] > 0) {  in __compute_return_epc_for_insn()
662 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
663 			if (insn.i_format.opcode == bgtzl_op)  in __compute_return_epc_for_insn()
675 		    ((insn.i_format.rs == bc1eqz_op) ||  in __compute_return_epc_for_insn()
676 		     (insn.i_format.rs == bc1nez_op))) {  in __compute_return_epc_for_insn()
687 			reg = insn.i_format.rt;  in __compute_return_epc_for_insn()
689 			if (insn.i_format.rs == bc1eqz_op)  in __compute_return_epc_for_insn()
694 					(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
709 			bit = (insn.i_format.rt >> 2);  in __compute_return_epc_for_insn()
712 			switch (insn.i_format.rt & 3) {  in __compute_return_epc_for_insn()
717 						(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
718 					if (insn.i_format.rt == 2)  in __compute_return_epc_for_insn()
729 						(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
730 					if (insn.i_format.rt == 3)  in __compute_return_epc_for_insn()
741 		if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt))  in __compute_return_epc_for_insn()
743 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
749 		if ((regs->regs[insn.i_format.rs] &  in __compute_return_epc_for_insn()
750 		    (1ull<<(insn.i_format.rt+32))) == 0)  in __compute_return_epc_for_insn()
751 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
757 		if (regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt))  in __compute_return_epc_for_insn()
758 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
764 		if (regs->regs[insn.i_format.rs] &  in __compute_return_epc_for_insn()
765 		    (1ull<<(insn.i_format.rt+32)))  in __compute_return_epc_for_insn()
766 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
783 		epc += 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
796 		if (!insn.i_format.rs) {  in __compute_return_epc_for_insn()
812 		if (insn.i_format.rt && !insn.i_format.rs)  in __compute_return_epc_for_insn()
842 	union mips_instruction insn;  in __compute_return_epc()  local
852 	if (__get_user(insn.word, addr)) {  in __compute_return_epc()
857 	return __compute_return_epc_for_insn(regs, insn);  in __compute_return_epc()
867 int __insn_is_compact_branch(union mips_instruction insn)  in __insn_is_compact_branch()  argument
872 	switch (insn.i_format.opcode) {  in __insn_is_compact_branch()
881 		if (insn.i_format.rt)  in __insn_is_compact_branch()