# S/390 cpu description file # this file is read by genmdesc to pruduce a table with all the relevant information # about the cpu instructions that may be used by the regsiter allocator, the scheduler # and other parts of the arch-dependent part of mini. # # An opcode name is followed by a colon and optional specifiers. # A specifier has a name, a colon and a value. Specifiers are separated by white space. # Here is a description of the specifiers valid for this file and their possible values. # # dest:register describes the destination register of an instruction # src1:register describes the first source register of an instruction # src2:register describes the second source register of an instruction # # register may have the following values: # i integer register # a r3 register (output from calls) # b base register (used in address references) # f floating point register # # len:number describe the maximun length in bytes of the instruction # number is a positive integer # # cost:number describe how many cycles are needed to complete the instruction (unused) # # clob:spec describe if the instruction clobbers registers or has special needs # # spec can be one of the following characters: # c clobbers caller-save registers # r 'reserves' the destination register until a later instruction unreserves it # used mostly to set output registers in function calls # # flags:spec describe if the instruction uses or sets the flags (unused) # # spec can be one of the following chars: # s sets the flags # u uses the flags # m uses and modifies the flags # # res:spec describe what units are used in the processor (unused) # # delay: describe delay slots (unused) # # the required specifiers are: len, clob (if registers are clobbered), the registers # specifiers if the registers are actually used, flags (when scheduling is implemented). # # See the code in mini-x86.c for more details on how the specifiers are used. # adc: dest:i src1:i src2:i len:6 adc_imm: dest:i src1:i len:14 add_imm: dest:i src1:i len:24 add_ovf_carry: dest:i src1:1 src2:i len:28 add_ovf_un_carry: dest:i src1:1 src2:i len:12 addcc: dest:i src1:i src2:i len:12 and_imm: dest:i src1:i len:24 aot_const: dest:i len:8 atomic_add_i4: src1:b src2:i dest:i len:28 atomic_add_i8: src1:b src2:i dest:i len:30 atomic_exchange_i4: src1:b src2:i dest:i len:18 atomic_exchange_i8: src1:b src2:i dest:i len:24 br: len:6 br_reg: src1:i len:8 break: len:22 call: dest:o clob:c len:26 call_handler: len:12 clob:c call_membase: dest:o src1:b len:12 clob:c call_reg: dest:o src1:i len:8 clob:c ceq: dest:i len:12 cgt.un: dest:i len:12 cgt: dest:i len:12 checkthis: src1:b len:16 ckfinite: dest:f src1:f len:22 clt.un: dest:i len:12 clt: dest:i len:12 compare: src1:i src2:i len:4 compare_imm: src1:i len:20 cond_exc_c: len:8 cond_exc_eq: len:8 cond_exc_ge: len:8 cond_exc_ge_un: len:8 cond_exc_gt: len:8 cond_exc_gt_un: len:8 cond_exc_le: len:8 cond_exc_le_un: len:8 cond_exc_lt: len:8 cond_exc_lt_un: len:8 cond_exc_nc: len:8 cond_exc_ne_un: len:8 cond_exc_no: len:8 cond_exc_ov: len:8 div_imm: dest:i src1:i src2:i len:24 div_un_imm: dest:i src1:i src2:i len:24 endfinally: len:8 fcall: dest:g len:26 clob:c fcall_membase: dest:g src1:b len:14 clob:c fcall_reg: dest:g src1:i len:10 clob:c fcompare: src1:f src2:f len:14 float_add: dest:f src1:f src2:f len:6 float_beq: len:10 float_bge: len:10 float_bge_un: len:8 float_bgt: len:10 float_ble: len:10 float_ble_un: len:8 float_blt: len:10 float_blt_un: len:8 float_bne_un: len:8 float_bgt_un: len:8 float_ceq: dest:i src1:f src2:f len:16 float_cgt: dest:i src1:f src2:f len:16 float_cgt_un: dest:i src1:f src2:f len:16 float_clt: dest:i src1:f src2:f len:16 float_clt_un: dest:i src1:f src2:f len:16 float_conv_to_i1: dest:i src1:f len:50 float_conv_to_i2: dest:i src1:f len:50 float_conv_to_i4: dest:i src1:f len:50 float_conv_to_i8: dest:l src1:f len:50 float_conv_to_i: dest:i src1:f len:52 float_conv_to_r4: dest:f src1:f len:8 float_conv_to_u1: dest:i src1:f len:72 float_conv_to_u2: dest:i src1:f len:72 float_conv_to_u4: dest:i src1:f len:72 float_conv_to_u8: dest:i src1:f len:72 float_conv_to_u: dest:i src1:f len:36 float_div: dest:f src1:f src2:f len:6 float_div_un: dest:f src1:f src2:f len:6 float_mul: dest:f src1:f src2:f len:6 float_neg: dest:f src1:f len:6 float_not: dest:f src1:f len:6 float_rem: dest:f src1:f src2:f len:16 float_rem_un: dest:f src1:f src2:f len:16 float_sub: dest:f src1:f src2:f len:6 fmove: dest:f src1:f len:4 move_f_to_i4: dest:i src1:f len:4 move_i4_to_f: dest:f src1:i len:8 move_f_to_i8: dest:i src1:f len:4 move_i8_to_f: dest:f src1:i len:8 i8const: dest:i len:20 icompare: src1:i src2:i len:4 icompare_imm: src1:i len:18 iconst: dest:i len:40 jmp: len:50 label: len:0 lcall: dest:o len:22 clob:c lcall_membase: dest:o src1:b len:12 clob:c lcall_reg: dest:o src1:i len:8 clob:c lcompare: src1:i src2:i len:4 load_membase: dest:i src1:b len:30 loadi1_membase: dest:i src1:b len:40 loadi2_membase: dest:i src1:b len:30 loadi4_membase: dest:i src1:b len:30 loadi8_membase: dest:i src1:b len:30 loadr4_membase: dest:f src1:b len:28 loadr8_membase: dest:f src1:b len:28 loadu1_membase: dest:i src1:b len:30 loadu2_membase: dest:i src1:b len:30 loadu4_mem: dest:i len:8 loadu4_membase: dest:i src1:b len:30 localloc: dest:i src1:i len:106 memory_barrier: len: 10 move: dest:i src1:i len:4 mul_imm: dest:i src1:i len:24 nop: len:4 relaxed_nop: len:4 oparglist: src1:i len:28 bigmul: len:2 dest:i src1:a src2:i bigmul_un: len:2 dest:i src1:a src2:i endfilter: src1:i len:28 rethrow: src1:i len:26 or_imm: dest:i src1:i len:24 r4const: dest:f len:26 r8const: dest:f len:24 rem_imm: dest:i src1:i src2:i len:24 rem_un_imm: dest:i src1:i src2:i len:24 s390_bkchain: len: 8 dest:i src1:i s390_move: len:48 dest:b src1:b s390_setf4ret: dest:f src1:f len:4 sbb: dest:i src1:i src2:i len:6 sbb_imm: dest:i src1:i len:14 seq_point: len:54 il_seq_point: len:0 sext_i4: dest:i src1:i len:4 zext_i4: dest:i src1:i len:4 shl_imm: dest:i src1:i len:10 shr_imm: dest:i src1:i len:10 shr_un_imm: dest:i src1:i len:10 sqrt: dest:f src1:f len:4 start_handler: len:26 store_membase_imm: dest:b len:46 store_membase_reg: dest:b src1:i len:26 storei1_membase_imm: dest:b len:46 storei1_membase_reg: dest:b src1:i len:26 storei2_membase_imm: dest:b len:46 storei2_membase_reg: dest:b src1:i len:26 storei4_membase_imm: dest:b len:46 storei4_membase_reg: dest:b src1:i len:26 storei8_membase_imm: dest:b len:46 storei8_membase_reg: dest:b src1:i len:26 storer4_membase_reg: dest:b src1:f len:28 storer8_membase_reg: dest:b src1:f len:24 sub_imm: dest:i src1:i len:18 sub_ovf_carry: dest:i src1:1 src2:i len:28 sub_ovf_un_carry: dest:i src1:1 src2:i len:12 subcc: dest:i src1:i src2:i len:12 throw: src1:i len:26 tls_get: len:40 dest:i vcall: len:22 clob:c vcall_membase: src1:b len:12 clob:c vcall_reg: src1:i len:8 clob:c voidcall: len:22 clob:c voidcall_membase: src1:b len:12 clob:c voidcall_reg: src1:i len:8 clob:c xor_imm: dest:i src1:i len:20 # 32 bit opcodes int_adc: dest:i src1:i src2:i len:12 int_adc_imm: dest:i src1:i len:14 int_addcc: dest:i src1:i src2:i len:12 int_add: dest:i src1:i src2:i len:12 int_add_imm: dest:i src1:i len:20 int_and: dest:i src1:i src2:i len:12 int_and_imm: dest:i src1:i len:24 int_beq: len:8 int_bge: len:8 int_bge_un: len:8 int_bgt: len:8 int_bgt_un: len:8 int_ble: len:8 int_ble_un: len:8 int_blt: len:8 int_blt_un: len:8 int_bne_un: len:8 int_ceq: dest:i len:12 int_cgt: dest:i len:12 int_cgt_un: dest:i len:12 int_clt: dest:i len:12 int_clt_un: dest:i len:12 int_div: dest:a src1:i src2:i len:16 int_div_imm: dest:a src1:i len:24 int_div_un: dest:a src1:i src2:i len:16 int_div_un_imm: dest:a src1:i len:24 int_mul: dest:i src1:i src2:i len:16 int_mul_imm: dest:i src1:i len:24 int_mul_ovf: dest:i src1:i src2:i len:44 int_mul_ovf_un: dest:i src1:i src2:i len:22 int_add_ovf: dest:i src1:i src2:i len:32 int_add_ovf_un: dest:i src1:i src2:i len:32 int_sub_ovf: dest:i src1:i src2:i len:32 int_sub_ovf_un: dest:i src1:i src2:i len:32 int_neg: dest:i src1:i len:12 int_not: dest:i src1:i len:12 int_or: dest:i src1:i src2:i len:12 int_or_imm: dest:i src1:i len:24 int_rem: dest:d src1:i src2:i len:16 int_rem_imm: dest:d src1:i len:24 int_rem_un: dest:d src1:i src2:i len:16 int_rem_un_imm: dest:d src1:i len:24 int_sbb: dest:i src1:i src2:i len:6 int_sbb_imm: dest:i src1:i len:14 int_shl: dest:i src1:i src2:i clob:s len:12 int_shl_imm: dest:i src1:i len:10 int_shr: dest:i src1:i src2:i clob:s len:12 int_shr_imm: dest:i src1:i len:10 int_shr_un: dest:i src1:i src2:i clob:s len:12 int_shr_un_imm: dest:i src1:i len:10 int_subcc: dest:i src1:i src2:i len:12 int_sub: dest:i src1:i src2:i len:12 int_sub_imm: dest:i src1:i len:20 int_xor: dest:i src1:i src2:i len:12 int_xor_imm: dest:i src1:i len:24 int_conv_to_r4: dest:f src1:i len:16 int_conv_to_r8: dest:f src1:i len:16 # 64 bit opcodes long_add: dest:i src1:i src2:i len:12 long_sub: dest:i src1:i src2:i len:12 long_add_ovf: dest:i src1:i src2:i len:32 long_add_ovf_un: dest:i src1:i src2:i len:32 long_div: dest:i src1:i src2:i len:12 long_div_un: dest:i src1:i src2:i len:16 long_mul: dest:i src1:i src2:i len:12 long_mul_imm: dest:i src1:i len:20 long_mul_ovf: dest:i src1:i src2:i len:56 long_mul_ovf_un: dest:i src1:i src2:i len:64 long_and: dest:i src1:i src2:i len:8 long_or: dest:i src1:i src2:i len:8 long_xor: dest:i src1:i src2:i len:8 long_neg: dest:i src1:i len:6 long_not: dest:i src1:i len:12 long_rem: dest:i src1:i src2:i len:12 long_rem_imm: dest:i src1:i src2:i len:12 long_rem_un: dest:i src1:i src2:i len:16 long_shl: dest:i src1:i src2:i len:14 long_shl_imm: dest:i src1:i len:14 long_shr_un: dest:i src1:i src2:i len:14 long_shr: dest:i src1:i src2:i len:14 long_shr_imm: dest:i src1:i len:14 long_shr_un_imm: dest:i src1:i len:14 long_sub_imm: dest:i src1:i len:16 long_sub_ovf: dest:i src1:i src2:i len:16 long_sub_ovf_un: dest:i src1:i src2:i len:28 long_conv_to_i1: dest:i src1:i len:12 long_conv_to_i2: dest:i src1:i len:12 long_conv_to_i4: dest:i src1:i len:4 long_conv_to_i8: dest:i src1:i len:4 long_conv_to_i: dest:i src1:i len:4 long_conv_to_ovf_i: dest:i src1:i src2:i len:44 long_conv_to_ovf_i4_un: dest:i src1:i len:50 long_conv_to_ovf_u4: dest:i src1:i len:48 long_conv_to_ovf_u8_un: dest:i src1:i len:4 long_conv_to_r4: dest:f src1:i len:16 long_conv_to_r8: dest:f src1:i len:16 long_conv_to_u1: dest:i src1:i len:16 long_conv_to_u2: dest:i src1:i len:24 long_conv_to_u4: dest:i src1:i len:4 long_conv_to_u8: dest:i src1:i len:4 long_conv_to_u: dest:i src1:i len:4 long_conv_to_r_un: dest:f src1:i len:37 long_beq: len:8 long_bge_un: len:8 long_bge: len:8 long_bgt_un: len:8 long_bgt: len:8 long_ble_un: len:8 long_ble: len:8 long_blt_un: len:8 long_blt: len:8 long_bne_un: len:8 # Linear IR opcodes dummy_use: src1:i len:0 dummy_store: len:0 not_reached: len:0 not_null: src1:i len:0 jump_table: dest:i len:24 int_conv_to_i1: dest:i src1:i len:12 int_conv_to_i2: dest:i src1:i len:12 int_conv_to_i4: dest:i src1:i len:2 int_conv_to_i: dest:i src1:i len:2 int_conv_to_u1: dest:i src1:i len:10 int_conv_to_u2: dest:i src1:i len:16 int_conv_to_u4: dest:i src1:i int_conv_to_r_un: dest:f src1:i len:37 cond_exc_ic: len:8 cond_exc_ieq: len:8 cond_exc_ige: len:8 cond_exc_ige_un: len:8 cond_exc_igt: len:8 cond_exc_igt_un: len:8 cond_exc_ile: len:8 cond_exc_ile_un: len:8 cond_exc_ilt: len:8 cond_exc_ilt_un: len:8 cond_exc_inc: len:8 cond_exc_ine_un: len:8 cond_exc_ino: len:8 cond_exc_iov: len:8 lcompare_imm: src1:i len:20 long_add_imm: dest:i src1:i len:20 long_ceq: dest:i len:12 long_cgt_un: dest:i len:12 long_cgt: dest:i len:12 long_clt_un: dest:i len:12 long_clt: dest:i len:12 vcall2: len:22 clob:c vcall2_membase: src1:b len:12 clob:c vcall2_reg: src1:i len:8 clob:c s390_int_add_ovf: len:32 dest:i src1:i src2:i s390_int_add_ovf_un: len:32 dest:i src1:i src2:i s390_int_sub_ovf: len:32 dest:i src1:i src2:i s390_int_sub_ovf_un: len:32 dest:i src1:i src2:i s390_long_add_ovf: dest:i src1:i src2:i len:32 s390_long_add_ovf_un: dest:i src1:i src2:i len:32 s390_long_sub_ovf: dest:i src1:i src2:i len:32 s390_long_sub_ovf_un: dest:i src1:i src2:i len:32 gc_liveness_def: len:0 gc_liveness_use: len:0 gc_spill_slot_liveness_def: len:0 gc_param_slot_liveness_def: len:0 generic_class_init: src1:A len:32 clob:c