62 	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()
162 			bit = (insn.mm_i_format.rs >> 2);  in __mm_isBranchInstr()
168 					(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
178 		switch (insn.mm_i_format.rt) {  in __mm_isBranchInstr()
185 			*contpc = regs->regs[insn.mm_i_format.rs];  in __mm_isBranchInstr()
190 		if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] == 0)  in __mm_isBranchInstr()
193 				(insn.mm_b1_format.simmediate << 1);  in __mm_isBranchInstr()
199 		if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] != 0)  in __mm_isBranchInstr()
202 				(insn.mm_b1_format.simmediate << 1);  in __mm_isBranchInstr()
209 			 (insn.mm_b0_format.simmediate << 1);  in __mm_isBranchInstr()
212 		if (regs->regs[insn.mm_i_format.rs] ==  in __mm_isBranchInstr()
213 		    regs->regs[insn.mm_i_format.rt])  in __mm_isBranchInstr()
216 				(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
223 		if (regs->regs[insn.mm_i_format.rs] !=  in __mm_isBranchInstr()
224 		    regs->regs[insn.mm_i_format.rt])  in __mm_isBranchInstr()
227 				(insn.mm_i_format.simmediate << 1);  in __mm_isBranchInstr()
238 		*contpc |= (insn.j_format.target << 2);  in __mm_isBranchInstr()
249 		*contpc |= (insn.j_format.target << 1);  in __mm_isBranchInstr()
287 	mminsn.insn = word;  in __microMIPS_compute_return_epc()
423 				   union mips_instruction insn)  in __compute_return_epc_for_insn()  argument
429 	switch (insn.i_format.opcode) {  in __compute_return_epc_for_insn()
434 		switch (insn.r_format.func) {  in __compute_return_epc_for_insn()
436 			regs->regs[insn.r_format.rd] = epc + 8;  in __compute_return_epc_for_insn()
439 			if (NO_R6EMU && insn.r_format.func == jr_op)  in __compute_return_epc_for_insn()
441 			regs->cp0_epc = regs->regs[insn.r_format.rs];  in __compute_return_epc_for_insn()
452 		switch (insn.i_format.rt) {  in __compute_return_epc_for_insn()
458 			if ((long)regs->regs[insn.i_format.rs] < 0) {  in __compute_return_epc_for_insn()
459 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
460 				if (insn.i_format.rt == bltzl_op)  in __compute_return_epc_for_insn()
472 			if ((long)regs->regs[insn.i_format.rs] >= 0) {  in __compute_return_epc_for_insn()
473 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
474 				if (insn.i_format.rt == bgezl_op)  in __compute_return_epc_for_insn()
483 			if (NO_R6EMU && (insn.i_format.rs ||  in __compute_return_epc_for_insn()
484 			    insn.i_format.rt == bltzall_op))  in __compute_return_epc_for_insn()
493 			if (!insn.i_format.rs) {  in __compute_return_epc_for_insn()
500 					(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
504 			if ((long)regs->regs[insn.i_format.rs] < 0) {  in __compute_return_epc_for_insn()
505 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
506 				if (insn.i_format.rt == bltzall_op)  in __compute_return_epc_for_insn()
515 			if (NO_R6EMU && (insn.i_format.rs ||  in __compute_return_epc_for_insn()
516 			    insn.i_format.rt == bgezall_op))  in __compute_return_epc_for_insn()
525 			if (!insn.i_format.rs) {  in __compute_return_epc_for_insn()
532 					(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
536 			if ((long)regs->regs[insn.i_format.rs] >= 0) {  in __compute_return_epc_for_insn()
537 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
538 				if (insn.i_format.rt == bgezall_op)  in __compute_return_epc_for_insn()
552 				epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
571 		epc |= (insn.j_format.target << 2);  in __compute_return_epc_for_insn()
573 		if (insn.i_format.opcode == jalx_op)  in __compute_return_epc_for_insn()
585 		if (regs->regs[insn.i_format.rs] ==  in __compute_return_epc_for_insn()
586 		    regs->regs[insn.i_format.rt]) {  in __compute_return_epc_for_insn()
587 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
588 			if (insn.i_format.opcode == beql_op)  in __compute_return_epc_for_insn()
600 		if (regs->regs[insn.i_format.rs] !=  in __compute_return_epc_for_insn()
601 		    regs->regs[insn.i_format.rt]) {  in __compute_return_epc_for_insn()
602 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
603 			if (insn.i_format.opcode == bnel_op)  in __compute_return_epc_for_insn()
611 		if (!insn.i_format.rt && NO_R6EMU)  in __compute_return_epc_for_insn()
628 		if (cpu_has_mips_r6 && insn.i_format.rt) {  in __compute_return_epc_for_insn()
629 			if ((insn.i_format.opcode == blez_op) &&  in __compute_return_epc_for_insn()
630 			    ((!insn.i_format.rs && insn.i_format.rt) ||  in __compute_return_epc_for_insn()
631 			     (insn.i_format.rs == insn.i_format.rt)))  in __compute_return_epc_for_insn()
637 		if ((long)regs->regs[insn.i_format.rs] <= 0) {  in __compute_return_epc_for_insn()
638 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
639 			if (insn.i_format.opcode == blezl_op)  in __compute_return_epc_for_insn()
647 		if (!insn.i_format.rt && NO_R6EMU)  in __compute_return_epc_for_insn()
664 		if (cpu_has_mips_r6 && insn.i_format.rt) {  in __compute_return_epc_for_insn()
665 			if ((insn.i_format.opcode == blez_op) &&  in __compute_return_epc_for_insn()
666 			    ((!insn.i_format.rs && insn.i_format.rt) ||  in __compute_return_epc_for_insn()
667 			    (insn.i_format.rs == insn.i_format.rt)))  in __compute_return_epc_for_insn()
674 		if ((long)regs->regs[insn.i_format.rs] > 0) {  in __compute_return_epc_for_insn()
675 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
676 			if (insn.i_format.opcode == bgtzl_op)  in __compute_return_epc_for_insn()
691 		    ((insn.i_format.rs == bc1eqz_op) ||  in __compute_return_epc_for_insn()
692 		     (insn.i_format.rs == bc1nez_op))) {  in __compute_return_epc_for_insn()
695 			reg = insn.i_format.rt;  in __compute_return_epc_for_insn()
697 			if (insn.i_format.rs == bc1eqz_op)  in __compute_return_epc_for_insn()
702 					(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
717 			bit = (insn.i_format.rt >> 2);  in __compute_return_epc_for_insn()
720 			switch (insn.i_format.rt & 3) {  in __compute_return_epc_for_insn()
725 						(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
726 					if (insn.i_format.rt == 2)  in __compute_return_epc_for_insn()
737 						(insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
738 					if (insn.i_format.rt == 3)  in __compute_return_epc_for_insn()
752 		if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt))  in __compute_return_epc_for_insn()
754 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
760 		if ((regs->regs[insn.i_format.rs] &  in __compute_return_epc_for_insn()
761 		    (1ull<<(insn.i_format.rt+32))) == 0)  in __compute_return_epc_for_insn()
762 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
768 		if (regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt))  in __compute_return_epc_for_insn()
769 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
775 		if (regs->regs[insn.i_format.rs] &  in __compute_return_epc_for_insn()
776 		    (1ull<<(insn.i_format.rt+32)))  in __compute_return_epc_for_insn()
777 			epc = epc + 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
794 		epc += 4 + (insn.i_format.simmediate << 2);  in __compute_return_epc_for_insn()
807 		if (!insn.i_format.rs) {  in __compute_return_epc_for_insn()
823 		if (insn.i_format.rt && !insn.i_format.rs)  in __compute_return_epc_for_insn()
853 	union mips_instruction insn;  in __compute_return_epc()  local
863 	if (__get_user(insn.word, addr)) {  in __compute_return_epc()
868 	return __compute_return_epc_for_insn(regs, insn);  in __compute_return_epc()
878 int __insn_is_compact_branch(union mips_instruction insn)  in __insn_is_compact_branch()  argument
883 	switch (insn.i_format.opcode) {  in __insn_is_compact_branch()
892 		if (insn.i_format.rt)  in __insn_is_compact_branch()