/* * QEMU TILE-Gx CPU * * Copyright (c) 2015 Chen Gang * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, see * */ #include "cpu.h" #include "qemu/log.h" #include "disas/disas.h" #include "tcg-op.h" #include "exec/cpu_ldst.h" #include "linux-user/syscall_defs.h" #include "opcode_tilegx.h" #include "spr_def_64.h" #define FMT64X "%016" PRIx64 static TCGv_ptr cpu_env; static TCGv cpu_pc; static TCGv cpu_regs[TILEGX_R_COUNT]; static const char * const reg_names[64] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", "r48", "r49", "r50", "r51", "bp", "tp", "sp", "lr", "sn", "idn0", "idn1", "udn0", "udn1", "udn2", "udn2", "zero" }; /* Modified registers are cached in temporaries until the end of the bundle. */ typedef struct { unsigned reg; TCGv val; } DisasContextTemp; #define MAX_WRITEBACK 4 /* This is the state at translation time. */ typedef struct { uint64_t pc; /* Current pc */ TCGv zero; /* For zero register */ DisasContextTemp wb[MAX_WRITEBACK]; int num_wb; int mmuidx; bool exit_tb; TileExcp atomic_excp; struct { TCGCond cond; /* branch condition */ TCGv dest; /* branch destination */ TCGv val1; /* value to be compared against zero, for cond */ } jmp; /* Jump object, only once in each TB block */ } DisasContext; #include "exec/gen-icount.h" /* Differentiate the various pipe encodings. */ #define TY_X0 0 #define TY_X1 1 #define TY_Y0 2 #define TY_Y1 3 /* Remerge the base opcode and extension fields for switching. The X opcode fields are 3 bits; Y0/Y1 opcode fields are 4 bits; Y2 opcode field is 2 bits. */ #define OE(OP, EXT, XY) (TY_##XY + OP * 4 + EXT * 64) /* Similar, but for Y2 only. */ #define OEY2(OP, MODE) (OP + MODE * 4) /* Similar, but make sure opcode names match up. */ #define OE_RR_X0(E) OE(RRR_0_OPCODE_X0, E##_UNARY_OPCODE_X0, X0) #define OE_RR_X1(E) OE(RRR_0_OPCODE_X1, E##_UNARY_OPCODE_X1, X1) #define OE_RR_Y0(E) OE(RRR_1_OPCODE_Y0, E##_UNARY_OPCODE_Y0, Y0) #define OE_RR_Y1(E) OE(RRR_1_OPCODE_Y1, E##_UNARY_OPCODE_Y1, Y1) #define OE_RRR(E,N,XY) OE(RRR_##N##_OPCODE_##XY, E##_RRR_##N##_OPCODE_##XY, XY) #define OE_IM(E,XY) OE(IMM8_OPCODE_##XY, E##_IMM8_OPCODE_##XY, XY) #define OE_SH(E,XY) OE(SHIFT_OPCODE_##XY, E##_SHIFT_OPCODE_##XY, XY) #define V1_IMM(X) (((X) & 0xff) * 0x0101010101010101ull) #define V2_IMM(X) (((X) & 0xffff) * 0x0001000100010001ull) static void gen_exception(DisasContext *dc, TileExcp num) { TCGv_i32 tmp; tcg_gen_movi_tl(cpu_pc, dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES); tmp = tcg_const_i32(num); gen_helper_exception(cpu_env, tmp); tcg_temp_free_i32(tmp); dc->exit_tb = true; } static bool check_gr(DisasContext *dc, uint8_t reg) { if (likely(reg < TILEGX_R_COUNT)) { return true; } switch (reg) { case TILEGX_R_SN: case TILEGX_R_ZERO: break; case TILEGX_R_IDN0: case TILEGX_R_IDN1: gen_exception(dc, TILEGX_EXCP_REG_IDN_ACCESS); break; case TILEGX_R_UDN0: case TILEGX_R_UDN1: case TILEGX_R_UDN2: case TILEGX_R_UDN3: gen_exception(dc, TILEGX_EXCP_REG_UDN_ACCESS); break; default: g_assert_not_reached(); } return false; } static TCGv load_zero(DisasContext *dc) { if (TCGV_IS_UNUSED_I64(dc->zero)) { dc->zero = tcg_const_i64(0); } return dc->zero; } static TCGv load_gr(DisasContext *dc, unsigned reg) { if (check_gr(dc, reg)) { return cpu_regs[reg]; } return load_zero(dc); } static TCGv dest_gr(DisasContext *dc, unsigned reg) { int n; /* Skip the result, mark the exception if necessary, and continue */ check_gr(dc, reg); n = dc->num_wb++; dc->wb[n].reg = reg; return dc->wb[n].val = tcg_temp_new_i64(); } static void gen_saturate_op(TCGv tdest, TCGv tsrca, TCGv tsrcb, void (*operate)(TCGv, TCGv, TCGv)) { TCGv t0 = tcg_temp_new(); tcg_gen_ext32s_tl(tdest, tsrca); tcg_gen_ext32s_tl(t0, tsrcb); operate(tdest, tdest, t0); tcg_gen_movi_tl(t0, 0x7fffffff); tcg_gen_movcond_tl(TCG_COND_GT, tdest, tdest, t0, t0, tdest); tcg_gen_movi_tl(t0, -0x80000000LL); tcg_gen_movcond_tl(TCG_COND_LT, tdest, tdest, t0, t0, tdest); tcg_temp_free(t0); } static void gen_atomic_excp(DisasContext *dc, unsigned dest, TCGv tdest, TCGv tsrca, TCGv tsrcb, TileExcp excp) { #ifdef CONFIG_USER_ONLY TCGv_i32 t; tcg_gen_st_tl(tsrca, cpu_env, offsetof(CPUTLGState, atomic_srca)); tcg_gen_st_tl(tsrcb, cpu_env, offsetof(CPUTLGState, atomic_srcb)); t = tcg_const_i32(dest); tcg_gen_st_i32(t, cpu_env, offsetof(CPUTLGState, atomic_dstr)); tcg_temp_free_i32(t); /* We're going to write the real result in the exception. But in the meantime we've already created a writeback register, and we don't want that to remain uninitialized. */ tcg_gen_movi_tl(tdest, 0); /* Note that we need to delay issuing the exception that implements the atomic operation until after writing back the results of the instruction occupying the X0 pipe. */ dc->atomic_excp = excp; #else gen_exception(dc, TILEGX_EXCP_OPCODE_UNIMPLEMENTED); #endif } /* Shift the 128-bit value TSRCA:TSRCD right by the number of bytes specified by the bottom 3 bits of TSRCB, and set TDEST to the low 64 bits of the resulting value. */ static void gen_dblalign(TCGv tdest, TCGv tsrcd, TCGv tsrca, TCGv tsrcb) { TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, tsrcb, 7); tcg_gen_shli_tl(t0, t0, 3); tcg_gen_shr_tl(tdest, tsrcd, t0); /* We want to do "t0 = tsrca << (64 - t0)". Two's complement arithmetic on a 6-bit field tells us that 64 - t0 is equal to (t0 ^ 63) + 1. So we can do the shift in two parts, neither of which will be an invalid shift by 64. */ tcg_gen_xori_tl(t0, t0, 63); tcg_gen_shl_tl(t0, tsrca, t0); tcg_gen_shli_tl(t0, t0, 1); tcg_gen_or_tl(tdest, tdest, t0); tcg_temp_free(t0); } /* Similarly, except that the 128-bit value is TSRCA:TSRCB, and the right shift is an immediate. */ static void gen_dblaligni(TCGv tdest, TCGv tsrca, TCGv tsrcb, int shr) { TCGv t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, tsrcb, shr); tcg_gen_shli_tl(tdest, tsrca, 64 - shr); tcg_gen_or_tl(tdest, tdest, t0); tcg_temp_free(t0); } typedef enum { LU, LS, HU, HS } MulHalf; static void gen_ext_half(TCGv d, TCGv s, MulHalf h) { switch (h) { case LU: tcg_gen_ext32u_tl(d, s); break; case LS: tcg_gen_ext32s_tl(d, s); break; case HU: tcg_gen_shri_tl(d, s, 32); break; case HS: tcg_gen_sari_tl(d, s, 32); break; } } static void gen_mul_half(TCGv tdest, TCGv tsrca, TCGv tsrcb, MulHalf ha, MulHalf hb) { TCGv t = tcg_temp_new(); gen_ext_half(t, tsrca, ha); gen_ext_half(tdest, tsrcb, hb); tcg_gen_mul_tl(tdest, tdest, t); tcg_temp_free(t); } static void gen_cmul2(TCGv tdest, TCGv tsrca, TCGv tsrcb, int sh, int rd) { TCGv_i32 tsh = tcg_const_i32(sh); TCGv_i32 trd = tcg_const_i32(rd); gen_helper_cmul2(tdest, tsrca, tsrcb, tsh, trd); tcg_temp_free_i32(tsh); tcg_temp_free_i32(trd); } static TileExcp gen_st_opcode(DisasContext *dc, unsigned dest, unsigned srca, unsigned srcb, TCGMemOp memop, const char *name) { if (dest) { return TILEGX_EXCP_OPCODE_UNKNOWN; } tcg_gen_qemu_st_tl(load_gr(dc, srcb), load_gr(dc, srca), dc->mmuidx, memop); qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", name, reg_names[srca], reg_names[srcb]); return TILEGX_EXCP_NONE; } static TileExcp gen_st_add_opcode(DisasContext *dc, unsigned srca, unsigned srcb, int imm, TCGMemOp memop, const char *name) { TCGv tsrca = load_gr(dc, srca); TCGv tsrcb = load_gr(dc, srcb); tcg_gen_qemu_st_tl(tsrcb, tsrca, dc->mmuidx, memop); tcg_gen_addi_tl(dest_gr(dc, srca), tsrca, imm); qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %d", name, reg_names[srca], reg_names[srcb], imm); return TILEGX_EXCP_NONE; } /* Equality comparison with zero can be done quickly and efficiently. */ static void gen_v1cmpeq0(TCGv v) { TCGv m = tcg_const_tl(V1_IMM(0x7f)); TCGv c = tcg_temp_new(); /* ~(((v & m) + m) | m | v). Sets the msb for each byte == 0. */ tcg_gen_and_tl(c, v, m); tcg_gen_add_tl(c, c, m); tcg_gen_or_tl(c, c, m); tcg_gen_nor_tl(c, c, v); tcg_temp_free(m); /* Shift the msb down to form the lsb boolean result. */ tcg_gen_shri_tl(v, c, 7); tcg_temp_free(c); } static void gen_v1cmpne0(TCGv v) { TCGv m = tcg_const_tl(V1_IMM(0x7f)); TCGv c = tcg_temp_new(); /* (((v & m) + m) | v) & ~m. Sets the msb for each byte != 0. */ tcg_gen_and_tl(c, v, m); tcg_gen_add_tl(c, c, m); tcg_gen_or_tl(c, c, v); tcg_gen_andc_tl(c, c, m); tcg_temp_free(m); /* Shift the msb down to form the lsb boolean result. */ tcg_gen_shri_tl(v, c, 7); tcg_temp_free(c); } /* Vector addition can be performed via arithmetic plus masking. It is efficient this way only for 4 or more elements. */ static void gen_v12add(TCGv tdest, TCGv tsrca, TCGv tsrcb, uint64_t sign) { TCGv tmask = tcg_const_tl(~sign); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); /* ((a & ~sign) + (b & ~sign)) ^ ((a ^ b) & sign). */ tcg_gen_and_tl(t0, tsrca, tmask); tcg_gen_and_tl(t1, tsrcb, tmask); tcg_gen_add_tl(tdest, t0, t1); tcg_gen_xor_tl(t0, tsrca, tsrcb); tcg_gen_andc_tl(t0, t0, tmask); tcg_gen_xor_tl(tdest, tdest, t0); tcg_temp_free(t1); tcg_temp_free(t0); tcg_temp_free(tmask); } /* Similarly for vector subtraction. */ static void gen_v12sub(TCGv tdest, TCGv tsrca, TCGv tsrcb, uint64_t sign) { TCGv tsign = tcg_const_tl(sign); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); /* ((a | sign) - (b & ~sign)) ^ ((a ^ ~b) & sign). */ tcg_gen_or_tl(t0, tsrca, tsign); tcg_gen_andc_tl(t1, tsrcb, tsign); tcg_gen_sub_tl(tdest, t0, t1); tcg_gen_eqv_tl(t0, tsrca, tsrcb); tcg_gen_and_tl(t0, t0, tsign); tcg_gen_xor_tl(tdest, tdest, t0); tcg_temp_free(t1); tcg_temp_free(t0); tcg_temp_free(tsign); } static void gen_v4sh(TCGv d64, TCGv a64, TCGv b64, void (*generate)(TCGv_i32, TCGv_i32, TCGv_i32)) { TCGv_i32 al = tcg_temp_new_i32(); TCGv_i32 ah = tcg_temp_new_i32(); TCGv_i32 bl = tcg_temp_new_i32(); tcg_gen_extr_i64_i32(al, ah, a64); tcg_gen_extrl_i64_i32(bl, b64); tcg_gen_andi_i32(bl, bl, 31); generate(al, al, bl); generate(ah, ah, bl); tcg_gen_concat_i32_i64(d64, al, ah); tcg_temp_free_i32(al); tcg_temp_free_i32(ah); tcg_temp_free_i32(bl); } static void gen_v4op(TCGv d64, TCGv a64, TCGv b64, void (*generate)(TCGv_i32, TCGv_i32, TCGv_i32)) { TCGv_i32 al = tcg_temp_new_i32(); TCGv_i32 ah = tcg_temp_new_i32(); TCGv_i32 bl = tcg_temp_new_i32(); TCGv_i32 bh = tcg_temp_new_i32(); tcg_gen_extr_i64_i32(al, ah, a64); tcg_gen_extr_i64_i32(bl, bh, b64); generate(al, al, bl); generate(ah, ah, bh); tcg_gen_concat_i32_i64(d64, al, ah); tcg_temp_free_i32(al); tcg_temp_free_i32(ah); tcg_temp_free_i32(bl); tcg_temp_free_i32(bh); } static TileExcp gen_signal(DisasContext *dc, int signo, int sigcode, const char *mnemonic) { TCGv_i32 t0 = tcg_const_i32(signo); TCGv_i32 t1 = tcg_const_i32(sigcode); tcg_gen_st_i32(t0, cpu_env, offsetof(CPUTLGState, signo)); tcg_gen_st_i32(t1, cpu_env, offsetof(CPUTLGState, sigcode)); tcg_temp_free_i32(t1); tcg_temp_free_i32(t0); qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s", mnemonic); return TILEGX_EXCP_SIGNAL; } static bool parse_from_addli(uint64_t bundle, int *signo, int *sigcode) { int imm; if ((get_Opcode_X0(bundle) != ADDLI_OPCODE_X0) || (get_Dest_X0(bundle) != TILEGX_R_ZERO) || (get_SrcA_X0(bundle) != TILEGX_R_ZERO)) { return false; } imm = get_Imm16_X0(bundle); *signo = imm & 0x3f; *sigcode = (imm >> 6) & 0xf; /* ??? The linux kernel validates both signo and the sigcode vs the known max for each signal. Don't bother here. */ return true; } static TileExcp gen_specill(DisasContext *dc, unsigned dest, unsigned srca, uint64_t bundle) { const char *mnemonic; int signo; int sigcode; if (dest == 0x1c && srca == 0x25) { signo = TARGET_SIGTRAP; sigcode = TARGET_TRAP_BRKPT; mnemonic = "bpt"; } else if (dest == 0x1d && srca == 0x25 && parse_from_addli(bundle, &signo, &sigcode)) { mnemonic = "raise"; } else { signo = TARGET_SIGILL; sigcode = TARGET_ILL_ILLOPC; mnemonic = "ill"; } return gen_signal(dc, signo, sigcode, mnemonic); } static TileExcp gen_rr_opcode(DisasContext *dc, unsigned opext, unsigned dest, unsigned srca, uint64_t bundle) { TCGv tdest, tsrca; const char *mnemonic; TCGMemOp memop; TileExcp ret = TILEGX_EXCP_NONE; bool prefetch_nofault = false; /* Eliminate instructions with no output before doing anything else. */ switch (opext) { case OE_RR_Y0(NOP): case OE_RR_Y1(NOP): case OE_RR_X0(NOP): case OE_RR_X1(NOP): mnemonic = "nop"; goto done0; case OE_RR_Y0(FNOP): case OE_RR_Y1(FNOP): case OE_RR_X0(FNOP): case OE_RR_X1(FNOP): mnemonic = "fnop"; goto done0; case OE_RR_X1(DRAIN): mnemonic = "drain"; goto done0; case OE_RR_X1(FLUSHWB): mnemonic = "flushwb"; goto done0; case OE_RR_X1(ILL): return gen_specill(dc, dest, srca, bundle); case OE_RR_Y1(ILL): return gen_signal(dc, TARGET_SIGILL, TARGET_ILL_ILLOPC, "ill"); case OE_RR_X1(MF): mnemonic = "mf"; goto done0; case OE_RR_X1(NAP): /* ??? This should yield, especially in system mode. */ mnemonic = "nap"; goto done0; case OE_RR_X1(IRET): gen_helper_ext01_ics(cpu_env); dc->jmp.cond = TCG_COND_ALWAYS; dc->jmp.dest = tcg_temp_new(); tcg_gen_ld_tl(dc->jmp.dest, cpu_env, offsetof(CPUTLGState, spregs[TILEGX_SPR_EX_CONTEXT_0_0])); tcg_gen_andi_tl(dc->jmp.dest, dc->jmp.dest, ~7); mnemonic = "iret"; goto done0; case OE_RR_X1(SWINT0): case OE_RR_X1(SWINT2): case OE_RR_X1(SWINT3): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RR_X1(SWINT1): ret = TILEGX_EXCP_SYSCALL; mnemonic = "swint1"; done0: if (srca || dest) { return TILEGX_EXCP_OPCODE_UNKNOWN; } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s", mnemonic); return ret; case OE_RR_X1(DTLBPR): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RR_X1(FINV): mnemonic = "finv"; goto done1; case OE_RR_X1(FLUSH): mnemonic = "flush"; goto done1; case OE_RR_X1(ICOH): mnemonic = "icoh"; goto done1; case OE_RR_X1(INV): mnemonic = "inv"; goto done1; case OE_RR_X1(WH64): mnemonic = "wh64"; goto done1; case OE_RR_X1(JRP): case OE_RR_Y1(JRP): mnemonic = "jrp"; goto do_jr; case OE_RR_X1(JR): case OE_RR_Y1(JR): mnemonic = "jr"; goto do_jr; case OE_RR_X1(JALRP): case OE_RR_Y1(JALRP): mnemonic = "jalrp"; goto do_jalr; case OE_RR_X1(JALR): case OE_RR_Y1(JALR): mnemonic = "jalr"; do_jalr: tcg_gen_movi_tl(dest_gr(dc, TILEGX_R_LR), dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES); do_jr: dc->jmp.cond = TCG_COND_ALWAYS; dc->jmp.dest = tcg_temp_new(); tcg_gen_andi_tl(dc->jmp.dest, load_gr(dc, srca), ~7); done1: if (dest) { return TILEGX_EXCP_OPCODE_UNKNOWN; } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s", mnemonic, reg_names[srca]); return ret; } tdest = dest_gr(dc, dest); tsrca = load_gr(dc, srca); switch (opext) { case OE_RR_X0(CNTLZ): case OE_RR_Y0(CNTLZ): gen_helper_cntlz(tdest, tsrca); mnemonic = "cntlz"; break; case OE_RR_X0(CNTTZ): case OE_RR_Y0(CNTTZ): gen_helper_cnttz(tdest, tsrca); mnemonic = "cnttz"; break; case OE_RR_X0(FSINGLE_PACK1): case OE_RR_Y0(FSINGLE_PACK1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RR_X1(LD1S): memop = MO_SB; mnemonic = "ld1s"; /* prefetch_l1_fault */ goto do_load; case OE_RR_X1(LD1U): memop = MO_UB; mnemonic = "ld1u"; /* prefetch, prefetch_l1 */ prefetch_nofault = (dest == TILEGX_R_ZERO); goto do_load; case OE_RR_X1(LD2S): memop = MO_TESW; mnemonic = "ld2s"; /* prefetch_l2_fault */ goto do_load; case OE_RR_X1(LD2U): memop = MO_TEUW; mnemonic = "ld2u"; /* prefetch_l2 */ prefetch_nofault = (dest == TILEGX_R_ZERO); goto do_load; case OE_RR_X1(LD4S): memop = MO_TESL; mnemonic = "ld4s"; /* prefetch_l3_fault */ goto do_load; case OE_RR_X1(LD4U): memop = MO_TEUL; mnemonic = "ld4u"; /* prefetch_l3 */ prefetch_nofault = (dest == TILEGX_R_ZERO); goto do_load; case OE_RR_X1(LDNT1S): memop = MO_SB; mnemonic = "ldnt1s"; goto do_load; case OE_RR_X1(LDNT1U): memop = MO_UB; mnemonic = "ldnt1u"; goto do_load; case OE_RR_X1(LDNT2S): memop = MO_TESW; mnemonic = "ldnt2s"; goto do_load; case OE_RR_X1(LDNT2U): memop = MO_TEUW; mnemonic = "ldnt2u"; goto do_load; case OE_RR_X1(LDNT4S): memop = MO_TESL; mnemonic = "ldnt4s"; goto do_load; case OE_RR_X1(LDNT4U): memop = MO_TEUL; mnemonic = "ldnt4u"; goto do_load; case OE_RR_X1(LDNT): memop = MO_TEQ; mnemonic = "ldnt"; goto do_load; case OE_RR_X1(LD): memop = MO_TEQ; mnemonic = "ld"; do_load: if (!prefetch_nofault) { tcg_gen_qemu_ld_tl(tdest, tsrca, dc->mmuidx, memop); } break; case OE_RR_X1(LDNA): tcg_gen_andi_tl(tdest, tsrca, ~7); tcg_gen_qemu_ld_tl(tdest, tdest, dc->mmuidx, MO_TEQ); mnemonic = "ldna"; break; case OE_RR_X1(LNK): case OE_RR_Y1(LNK): if (srca) { return TILEGX_EXCP_OPCODE_UNKNOWN; } tcg_gen_movi_tl(tdest, dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES); mnemonic = "lnk"; break; case OE_RR_X0(PCNT): case OE_RR_Y0(PCNT): gen_helper_pcnt(tdest, tsrca); mnemonic = "pcnt"; break; case OE_RR_X0(REVBITS): case OE_RR_Y0(REVBITS): gen_helper_revbits(tdest, tsrca); mnemonic = "revbits"; break; case OE_RR_X0(REVBYTES): case OE_RR_Y0(REVBYTES): tcg_gen_bswap64_tl(tdest, tsrca); mnemonic = "revbytes"; break; case OE_RR_X0(TBLIDXB0): case OE_RR_Y0(TBLIDXB0): tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tsrca, 2, 8); mnemonic = "tblidxb0"; break; case OE_RR_X0(TBLIDXB1): case OE_RR_Y0(TBLIDXB1): tcg_gen_shri_tl(tdest, tsrca, 8); tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8); mnemonic = "tblidxb1"; break; case OE_RR_X0(TBLIDXB2): case OE_RR_Y0(TBLIDXB2): tcg_gen_shri_tl(tdest, tsrca, 16); tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8); mnemonic = "tblidxb2"; break; case OE_RR_X0(TBLIDXB3): case OE_RR_Y0(TBLIDXB3): tcg_gen_shri_tl(tdest, tsrca, 24); tcg_gen_deposit_tl(tdest, load_gr(dc, dest), tdest, 2, 8); mnemonic = "tblidxb3"; break; default: return TILEGX_EXCP_OPCODE_UNKNOWN; } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", mnemonic, reg_names[dest], reg_names[srca]); return ret; } static TileExcp gen_rrr_opcode(DisasContext *dc, unsigned opext, unsigned dest, unsigned srca, unsigned srcb) { TCGv tdest = dest_gr(dc, dest); TCGv tsrca = load_gr(dc, srca); TCGv tsrcb = load_gr(dc, srcb); TCGv t0; const char *mnemonic; switch (opext) { case OE_RRR(ADDXSC, 0, X0): case OE_RRR(ADDXSC, 0, X1): gen_saturate_op(tdest, tsrca, tsrcb, tcg_gen_add_tl); mnemonic = "addxsc"; break; case OE_RRR(ADDX, 0, X0): case OE_RRR(ADDX, 0, X1): case OE_RRR(ADDX, 0, Y0): case OE_RRR(ADDX, 0, Y1): tcg_gen_add_tl(tdest, tsrca, tsrcb); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "addx"; break; case OE_RRR(ADD, 0, X0): case OE_RRR(ADD, 0, X1): case OE_RRR(ADD, 0, Y0): case OE_RRR(ADD, 0, Y1): tcg_gen_add_tl(tdest, tsrca, tsrcb); mnemonic = "add"; break; case OE_RRR(AND, 0, X0): case OE_RRR(AND, 0, X1): case OE_RRR(AND, 5, Y0): case OE_RRR(AND, 5, Y1): tcg_gen_and_tl(tdest, tsrca, tsrcb); mnemonic = "and"; break; case OE_RRR(CMOVEQZ, 0, X0): case OE_RRR(CMOVEQZ, 4, Y0): tcg_gen_movcond_tl(TCG_COND_EQ, tdest, tsrca, load_zero(dc), tsrcb, load_gr(dc, dest)); mnemonic = "cmoveqz"; break; case OE_RRR(CMOVNEZ, 0, X0): case OE_RRR(CMOVNEZ, 4, Y0): tcg_gen_movcond_tl(TCG_COND_NE, tdest, tsrca, load_zero(dc), tsrcb, load_gr(dc, dest)); mnemonic = "cmovnez"; break; case OE_RRR(CMPEQ, 0, X0): case OE_RRR(CMPEQ, 0, X1): case OE_RRR(CMPEQ, 3, Y0): case OE_RRR(CMPEQ, 3, Y1): tcg_gen_setcond_tl(TCG_COND_EQ, tdest, tsrca, tsrcb); mnemonic = "cmpeq"; break; case OE_RRR(CMPEXCH4, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_CMPEXCH4); mnemonic = "cmpexch4"; break; case OE_RRR(CMPEXCH, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_CMPEXCH); mnemonic = "cmpexch"; break; case OE_RRR(CMPLES, 0, X0): case OE_RRR(CMPLES, 0, X1): case OE_RRR(CMPLES, 2, Y0): case OE_RRR(CMPLES, 2, Y1): tcg_gen_setcond_tl(TCG_COND_LE, tdest, tsrca, tsrcb); mnemonic = "cmples"; break; case OE_RRR(CMPLEU, 0, X0): case OE_RRR(CMPLEU, 0, X1): case OE_RRR(CMPLEU, 2, Y0): case OE_RRR(CMPLEU, 2, Y1): tcg_gen_setcond_tl(TCG_COND_LEU, tdest, tsrca, tsrcb); mnemonic = "cmpleu"; break; case OE_RRR(CMPLTS, 0, X0): case OE_RRR(CMPLTS, 0, X1): case OE_RRR(CMPLTS, 2, Y0): case OE_RRR(CMPLTS, 2, Y1): tcg_gen_setcond_tl(TCG_COND_LT, tdest, tsrca, tsrcb); mnemonic = "cmplts"; break; case OE_RRR(CMPLTU, 0, X0): case OE_RRR(CMPLTU, 0, X1): case OE_RRR(CMPLTU, 2, Y0): case OE_RRR(CMPLTU, 2, Y1): tcg_gen_setcond_tl(TCG_COND_LTU, tdest, tsrca, tsrcb); mnemonic = "cmpltu"; break; case OE_RRR(CMPNE, 0, X0): case OE_RRR(CMPNE, 0, X1): case OE_RRR(CMPNE, 3, Y0): case OE_RRR(CMPNE, 3, Y1): tcg_gen_setcond_tl(TCG_COND_NE, tdest, tsrca, tsrcb); mnemonic = "cmpne"; break; case OE_RRR(CMULAF, 0, X0): gen_helper_cmulaf(tdest, load_gr(dc, dest), tsrca, tsrcb); mnemonic = "cmulaf"; break; case OE_RRR(CMULA, 0, X0): gen_helper_cmula(tdest, load_gr(dc, dest), tsrca, tsrcb); mnemonic = "cmula"; break; case OE_RRR(CMULFR, 0, X0): gen_cmul2(tdest, tsrca, tsrcb, 15, 1 << 14); mnemonic = "cmulfr"; break; case OE_RRR(CMULF, 0, X0): gen_cmul2(tdest, tsrca, tsrcb, 15, 0); mnemonic = "cmulf"; break; case OE_RRR(CMULHR, 0, X0): gen_cmul2(tdest, tsrca, tsrcb, 16, 1 << 15); mnemonic = "cmulhr"; break; case OE_RRR(CMULH, 0, X0): gen_cmul2(tdest, tsrca, tsrcb, 16, 0); mnemonic = "cmulh"; break; case OE_RRR(CMUL, 0, X0): gen_helper_cmula(tdest, load_zero(dc), tsrca, tsrcb); mnemonic = "cmul"; break; case OE_RRR(CRC32_32, 0, X0): gen_helper_crc32_32(tdest, tsrca, tsrcb); mnemonic = "crc32_32"; break; case OE_RRR(CRC32_8, 0, X0): gen_helper_crc32_8(tdest, tsrca, tsrcb); mnemonic = "crc32_8"; break; case OE_RRR(DBLALIGN2, 0, X0): case OE_RRR(DBLALIGN2, 0, X1): gen_dblaligni(tdest, tsrca, tsrcb, 16); mnemonic = "dblalign2"; break; case OE_RRR(DBLALIGN4, 0, X0): case OE_RRR(DBLALIGN4, 0, X1): gen_dblaligni(tdest, tsrca, tsrcb, 32); mnemonic = "dblalign4"; break; case OE_RRR(DBLALIGN6, 0, X0): case OE_RRR(DBLALIGN6, 0, X1): gen_dblaligni(tdest, tsrca, tsrcb, 48); mnemonic = "dblalign6"; break; case OE_RRR(DBLALIGN, 0, X0): gen_dblalign(tdest, load_gr(dc, dest), tsrca, tsrcb); mnemonic = "dblalign"; break; case OE_RRR(EXCH4, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_EXCH4); mnemonic = "exch4"; break; case OE_RRR(EXCH, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_EXCH); mnemonic = "exch"; break; case OE_RRR(FDOUBLE_ADDSUB, 0, X0): case OE_RRR(FDOUBLE_ADD_FLAGS, 0, X0): case OE_RRR(FDOUBLE_MUL_FLAGS, 0, X0): case OE_RRR(FDOUBLE_PACK1, 0, X0): case OE_RRR(FDOUBLE_PACK2, 0, X0): case OE_RRR(FDOUBLE_SUB_FLAGS, 0, X0): case OE_RRR(FDOUBLE_UNPACK_MAX, 0, X0): case OE_RRR(FDOUBLE_UNPACK_MIN, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(FETCHADD4, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHADD4); mnemonic = "fetchadd4"; break; case OE_RRR(FETCHADDGEZ4, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHADDGEZ4); mnemonic = "fetchaddgez4"; break; case OE_RRR(FETCHADDGEZ, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHADDGEZ); mnemonic = "fetchaddgez"; break; case OE_RRR(FETCHADD, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHADD); mnemonic = "fetchadd"; break; case OE_RRR(FETCHAND4, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHAND4); mnemonic = "fetchand4"; break; case OE_RRR(FETCHAND, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHAND); mnemonic = "fetchand"; break; case OE_RRR(FETCHOR4, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHOR4); mnemonic = "fetchor4"; break; case OE_RRR(FETCHOR, 0, X1): gen_atomic_excp(dc, dest, tdest, tsrca, tsrcb, TILEGX_EXCP_OPCODE_FETCHOR); mnemonic = "fetchor"; break; case OE_RRR(FSINGLE_ADD1, 0, X0): case OE_RRR(FSINGLE_ADDSUB2, 0, X0): case OE_RRR(FSINGLE_MUL1, 0, X0): case OE_RRR(FSINGLE_MUL2, 0, X0): case OE_RRR(FSINGLE_PACK2, 0, X0): case OE_RRR(FSINGLE_SUB1, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(MNZ, 0, X0): case OE_RRR(MNZ, 0, X1): case OE_RRR(MNZ, 4, Y0): case OE_RRR(MNZ, 4, Y1): t0 = load_zero(dc); tcg_gen_movcond_tl(TCG_COND_NE, tdest, tsrca, t0, tsrcb, t0); mnemonic = "mnz"; break; case OE_RRR(MULAX, 0, X0): case OE_RRR(MULAX, 3, Y0): tcg_gen_mul_tl(tdest, tsrca, tsrcb); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "mulax"; break; case OE_RRR(MULA_HS_HS, 0, X0): case OE_RRR(MULA_HS_HS, 9, Y0): gen_mul_half(tdest, tsrca, tsrcb, HS, HS); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hs_hs"; break; case OE_RRR(MULA_HS_HU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HS, HU); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hs_hu"; break; case OE_RRR(MULA_HS_LS, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HS, LS); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hs_ls"; break; case OE_RRR(MULA_HS_LU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HS, LU); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hs_lu"; break; case OE_RRR(MULA_HU_HU, 0, X0): case OE_RRR(MULA_HU_HU, 9, Y0): gen_mul_half(tdest, tsrca, tsrcb, HU, HU); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hu_hu"; break; case OE_RRR(MULA_HU_LS, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HU, LS); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hu_ls"; break; case OE_RRR(MULA_HU_LU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HU, LU); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_hu_lu"; break; case OE_RRR(MULA_LS_LS, 0, X0): case OE_RRR(MULA_LS_LS, 9, Y0): gen_mul_half(tdest, tsrca, tsrcb, LS, LS); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_ls_ls"; break; case OE_RRR(MULA_LS_LU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, LS, LU); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_ls_lu"; break; case OE_RRR(MULA_LU_LU, 0, X0): case OE_RRR(MULA_LU_LU, 9, Y0): gen_mul_half(tdest, tsrca, tsrcb, LU, LU); tcg_gen_add_tl(tdest, tdest, load_gr(dc, dest)); mnemonic = "mula_lu_lu"; break; case OE_RRR(MULX, 0, X0): case OE_RRR(MULX, 3, Y0): tcg_gen_mul_tl(tdest, tsrca, tsrcb); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "mulx"; break; case OE_RRR(MUL_HS_HS, 0, X0): case OE_RRR(MUL_HS_HS, 8, Y0): gen_mul_half(tdest, tsrca, tsrcb, HS, HS); mnemonic = "mul_hs_hs"; break; case OE_RRR(MUL_HS_HU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HS, HU); mnemonic = "mul_hs_hu"; break; case OE_RRR(MUL_HS_LS, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HS, LS); mnemonic = "mul_hs_ls"; break; case OE_RRR(MUL_HS_LU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HS, LU); mnemonic = "mul_hs_lu"; break; case OE_RRR(MUL_HU_HU, 0, X0): case OE_RRR(MUL_HU_HU, 8, Y0): gen_mul_half(tdest, tsrca, tsrcb, HU, HU); mnemonic = "mul_hu_hu"; break; case OE_RRR(MUL_HU_LS, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HU, LS); mnemonic = "mul_hu_ls"; break; case OE_RRR(MUL_HU_LU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, HU, LU); mnemonic = "mul_hu_lu"; break; case OE_RRR(MUL_LS_LS, 0, X0): case OE_RRR(MUL_LS_LS, 8, Y0): gen_mul_half(tdest, tsrca, tsrcb, LS, LS); mnemonic = "mul_ls_ls"; break; case OE_RRR(MUL_LS_LU, 0, X0): gen_mul_half(tdest, tsrca, tsrcb, LS, LU); mnemonic = "mul_ls_lu"; break; case OE_RRR(MUL_LU_LU, 0, X0): case OE_RRR(MUL_LU_LU, 8, Y0): gen_mul_half(tdest, tsrca, tsrcb, LU, LU); mnemonic = "mul_lu_lu"; break; case OE_RRR(MZ, 0, X0): case OE_RRR(MZ, 0, X1): case OE_RRR(MZ, 4, Y0): case OE_RRR(MZ, 4, Y1): t0 = load_zero(dc); tcg_gen_movcond_tl(TCG_COND_EQ, tdest, tsrca, t0, tsrcb, t0); mnemonic = "mz"; break; case OE_RRR(NOR, 0, X0): case OE_RRR(NOR, 0, X1): case OE_RRR(NOR, 5, Y0): case OE_RRR(NOR, 5, Y1): tcg_gen_nor_tl(tdest, tsrca, tsrcb); mnemonic = "nor"; break; case OE_RRR(OR, 0, X0): case OE_RRR(OR, 0, X1): case OE_RRR(OR, 5, Y0): case OE_RRR(OR, 5, Y1): tcg_gen_or_tl(tdest, tsrca, tsrcb); mnemonic = "or"; break; case OE_RRR(ROTL, 0, X0): case OE_RRR(ROTL, 0, X1): case OE_RRR(ROTL, 6, Y0): case OE_RRR(ROTL, 6, Y1): tcg_gen_andi_tl(tdest, tsrcb, 63); tcg_gen_rotl_tl(tdest, tsrca, tdest); mnemonic = "rotl"; break; case OE_RRR(SHL1ADDX, 0, X0): case OE_RRR(SHL1ADDX, 0, X1): case OE_RRR(SHL1ADDX, 7, Y0): case OE_RRR(SHL1ADDX, 7, Y1): tcg_gen_shli_tl(tdest, tsrca, 1); tcg_gen_add_tl(tdest, tdest, tsrcb); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "shl1addx"; break; case OE_RRR(SHL1ADD, 0, X0): case OE_RRR(SHL1ADD, 0, X1): case OE_RRR(SHL1ADD, 1, Y0): case OE_RRR(SHL1ADD, 1, Y1): tcg_gen_shli_tl(tdest, tsrca, 1); tcg_gen_add_tl(tdest, tdest, tsrcb); mnemonic = "shl1add"; break; case OE_RRR(SHL2ADDX, 0, X0): case OE_RRR(SHL2ADDX, 0, X1): case OE_RRR(SHL2ADDX, 7, Y0): case OE_RRR(SHL2ADDX, 7, Y1): tcg_gen_shli_tl(tdest, tsrca, 2); tcg_gen_add_tl(tdest, tdest, tsrcb); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "shl2addx"; break; case OE_RRR(SHL2ADD, 0, X0): case OE_RRR(SHL2ADD, 0, X1): case OE_RRR(SHL2ADD, 1, Y0): case OE_RRR(SHL2ADD, 1, Y1): tcg_gen_shli_tl(tdest, tsrca, 2); tcg_gen_add_tl(tdest, tdest, tsrcb); mnemonic = "shl2add"; break; case OE_RRR(SHL3ADDX, 0, X0): case OE_RRR(SHL3ADDX, 0, X1): case OE_RRR(SHL3ADDX, 7, Y0): case OE_RRR(SHL3ADDX, 7, Y1): tcg_gen_shli_tl(tdest, tsrca, 3); tcg_gen_add_tl(tdest, tdest, tsrcb); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "shl3addx"; break; case OE_RRR(SHL3ADD, 0, X0): case OE_RRR(SHL3ADD, 0, X1): case OE_RRR(SHL3ADD, 1, Y0): case OE_RRR(SHL3ADD, 1, Y1): tcg_gen_shli_tl(tdest, tsrca, 3); tcg_gen_add_tl(tdest, tdest, tsrcb); mnemonic = "shl3add"; break; case OE_RRR(SHLX, 0, X0): case OE_RRR(SHLX, 0, X1): tcg_gen_andi_tl(tdest, tsrcb, 31); tcg_gen_shl_tl(tdest, tsrca, tdest); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "shlx"; break; case OE_RRR(SHL, 0, X0): case OE_RRR(SHL, 0, X1): case OE_RRR(SHL, 6, Y0): case OE_RRR(SHL, 6, Y1): tcg_gen_andi_tl(tdest, tsrcb, 63); tcg_gen_shl_tl(tdest, tsrca, tdest); mnemonic = "shl"; break; case OE_RRR(SHRS, 0, X0): case OE_RRR(SHRS, 0, X1): case OE_RRR(SHRS, 6, Y0): case OE_RRR(SHRS, 6, Y1): tcg_gen_andi_tl(tdest, tsrcb, 63); tcg_gen_sar_tl(tdest, tsrca, tdest); mnemonic = "shrs"; break; case OE_RRR(SHRUX, 0, X0): case OE_RRR(SHRUX, 0, X1): t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, tsrcb, 31); tcg_gen_ext32u_tl(tdest, tsrca); tcg_gen_shr_tl(tdest, tdest, t0); tcg_gen_ext32s_tl(tdest, tdest); tcg_temp_free(t0); mnemonic = "shrux"; break; case OE_RRR(SHRU, 0, X0): case OE_RRR(SHRU, 0, X1): case OE_RRR(SHRU, 6, Y0): case OE_RRR(SHRU, 6, Y1): tcg_gen_andi_tl(tdest, tsrcb, 63); tcg_gen_shr_tl(tdest, tsrca, tdest); mnemonic = "shru"; break; case OE_RRR(SHUFFLEBYTES, 0, X0): gen_helper_shufflebytes(tdest, load_gr(dc, dest), tsrca, tsrca); mnemonic = "shufflebytes"; break; case OE_RRR(SUBXSC, 0, X0): case OE_RRR(SUBXSC, 0, X1): gen_saturate_op(tdest, tsrca, tsrcb, tcg_gen_sub_tl); mnemonic = "subxsc"; break; case OE_RRR(SUBX, 0, X0): case OE_RRR(SUBX, 0, X1): case OE_RRR(SUBX, 0, Y0): case OE_RRR(SUBX, 0, Y1): tcg_gen_sub_tl(tdest, tsrca, tsrcb); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "subx"; break; case OE_RRR(SUB, 0, X0): case OE_RRR(SUB, 0, X1): case OE_RRR(SUB, 0, Y0): case OE_RRR(SUB, 0, Y1): tcg_gen_sub_tl(tdest, tsrca, tsrcb); mnemonic = "sub"; break; case OE_RRR(V1ADDUC, 0, X0): case OE_RRR(V1ADDUC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1ADD, 0, X0): case OE_RRR(V1ADD, 0, X1): gen_v12add(tdest, tsrca, tsrcb, V1_IMM(0x80)); mnemonic = "v1add"; break; case OE_RRR(V1ADIFFU, 0, X0): case OE_RRR(V1AVGU, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1CMPEQ, 0, X0): case OE_RRR(V1CMPEQ, 0, X1): tcg_gen_xor_tl(tdest, tsrca, tsrcb); gen_v1cmpeq0(tdest); mnemonic = "v1cmpeq"; break; case OE_RRR(V1CMPLES, 0, X0): case OE_RRR(V1CMPLES, 0, X1): case OE_RRR(V1CMPLEU, 0, X0): case OE_RRR(V1CMPLEU, 0, X1): case OE_RRR(V1CMPLTS, 0, X0): case OE_RRR(V1CMPLTS, 0, X1): case OE_RRR(V1CMPLTU, 0, X0): case OE_RRR(V1CMPLTU, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1CMPNE, 0, X0): case OE_RRR(V1CMPNE, 0, X1): tcg_gen_xor_tl(tdest, tsrca, tsrcb); gen_v1cmpne0(tdest); mnemonic = "v1cmpne"; break; case OE_RRR(V1DDOTPUA, 0, X0): case OE_RRR(V1DDOTPUSA, 0, X0): case OE_RRR(V1DDOTPUS, 0, X0): case OE_RRR(V1DDOTPU, 0, X0): case OE_RRR(V1DOTPA, 0, X0): case OE_RRR(V1DOTPUA, 0, X0): case OE_RRR(V1DOTPUSA, 0, X0): case OE_RRR(V1DOTPUS, 0, X0): case OE_RRR(V1DOTPU, 0, X0): case OE_RRR(V1DOTP, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1INT_H, 0, X0): case OE_RRR(V1INT_H, 0, X1): gen_helper_v1int_h(tdest, tsrca, tsrcb); mnemonic = "v1int_h"; break; case OE_RRR(V1INT_L, 0, X0): case OE_RRR(V1INT_L, 0, X1): gen_helper_v1int_l(tdest, tsrca, tsrcb); mnemonic = "v1int_l"; break; case OE_RRR(V1MAXU, 0, X0): case OE_RRR(V1MAXU, 0, X1): case OE_RRR(V1MINU, 0, X0): case OE_RRR(V1MINU, 0, X1): case OE_RRR(V1MNZ, 0, X0): case OE_RRR(V1MNZ, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1MULTU, 0, X0): gen_helper_v1multu(tdest, tsrca, tsrcb); mnemonic = "v1multu"; break; case OE_RRR(V1MULUS, 0, X0): case OE_RRR(V1MULU, 0, X0): case OE_RRR(V1MZ, 0, X0): case OE_RRR(V1MZ, 0, X1): case OE_RRR(V1SADAU, 0, X0): case OE_RRR(V1SADU, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1SHL, 0, X0): case OE_RRR(V1SHL, 0, X1): gen_helper_v1shl(tdest, tsrca, tsrcb); mnemonic = "v1shl"; break; case OE_RRR(V1SHRS, 0, X0): case OE_RRR(V1SHRS, 0, X1): gen_helper_v1shrs(tdest, tsrca, tsrcb); mnemonic = "v1shrs"; break; case OE_RRR(V1SHRU, 0, X0): case OE_RRR(V1SHRU, 0, X1): gen_helper_v1shru(tdest, tsrca, tsrcb); mnemonic = "v1shru"; break; case OE_RRR(V1SUBUC, 0, X0): case OE_RRR(V1SUBUC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V1SUB, 0, X0): case OE_RRR(V1SUB, 0, X1): gen_v12sub(tdest, tsrca, tsrcb, V1_IMM(0x80)); mnemonic = "v1sub"; break; case OE_RRR(V2ADDSC, 0, X0): case OE_RRR(V2ADDSC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V2ADD, 0, X0): case OE_RRR(V2ADD, 0, X1): gen_v12add(tdest, tsrca, tsrcb, V2_IMM(0x8000)); mnemonic = "v2add"; break; case OE_RRR(V2ADIFFS, 0, X0): case OE_RRR(V2AVGS, 0, X0): case OE_RRR(V2CMPEQ, 0, X0): case OE_RRR(V2CMPEQ, 0, X1): case OE_RRR(V2CMPLES, 0, X0): case OE_RRR(V2CMPLES, 0, X1): case OE_RRR(V2CMPLEU, 0, X0): case OE_RRR(V2CMPLEU, 0, X1): case OE_RRR(V2CMPLTS, 0, X0): case OE_RRR(V2CMPLTS, 0, X1): case OE_RRR(V2CMPLTU, 0, X0): case OE_RRR(V2CMPLTU, 0, X1): case OE_RRR(V2CMPNE, 0, X0): case OE_RRR(V2CMPNE, 0, X1): case OE_RRR(V2DOTPA, 0, X0): case OE_RRR(V2DOTP, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V2INT_H, 0, X0): case OE_RRR(V2INT_H, 0, X1): gen_helper_v2int_h(tdest, tsrca, tsrcb); mnemonic = "v2int_h"; break; case OE_RRR(V2INT_L, 0, X0): case OE_RRR(V2INT_L, 0, X1): gen_helper_v2int_l(tdest, tsrca, tsrcb); mnemonic = "v2int_l"; break; case OE_RRR(V2MAXS, 0, X0): case OE_RRR(V2MAXS, 0, X1): case OE_RRR(V2MINS, 0, X0): case OE_RRR(V2MINS, 0, X1): case OE_RRR(V2MNZ, 0, X0): case OE_RRR(V2MNZ, 0, X1): case OE_RRR(V2MULFSC, 0, X0): case OE_RRR(V2MULS, 0, X0): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V2MULTS, 0, X0): gen_helper_v2mults(tdest, tsrca, tsrcb); mnemonic = "v2mults"; break; case OE_RRR(V2MZ, 0, X0): case OE_RRR(V2MZ, 0, X1): case OE_RRR(V2PACKH, 0, X0): case OE_RRR(V2PACKH, 0, X1): case OE_RRR(V2PACKL, 0, X0): case OE_RRR(V2PACKL, 0, X1): case OE_RRR(V2PACKUC, 0, X0): case OE_RRR(V2PACKUC, 0, X1): case OE_RRR(V2SADAS, 0, X0): case OE_RRR(V2SADAU, 0, X0): case OE_RRR(V2SADS, 0, X0): case OE_RRR(V2SADU, 0, X0): case OE_RRR(V2SHLSC, 0, X0): case OE_RRR(V2SHLSC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V2SHL, 0, X0): case OE_RRR(V2SHL, 0, X1): gen_helper_v2shl(tdest, tsrca, tsrcb); mnemonic = "v2shl"; break; case OE_RRR(V2SHRS, 0, X0): case OE_RRR(V2SHRS, 0, X1): gen_helper_v2shrs(tdest, tsrca, tsrcb); mnemonic = "v2shrs"; break; case OE_RRR(V2SHRU, 0, X0): case OE_RRR(V2SHRU, 0, X1): gen_helper_v2shru(tdest, tsrca, tsrcb); mnemonic = "v2shru"; break; case OE_RRR(V2SUBSC, 0, X0): case OE_RRR(V2SUBSC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V2SUB, 0, X0): case OE_RRR(V2SUB, 0, X1): gen_v12sub(tdest, tsrca, tsrcb, V2_IMM(0x8000)); mnemonic = "v2sub"; break; case OE_RRR(V4ADDSC, 0, X0): case OE_RRR(V4ADDSC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V4ADD, 0, X0): case OE_RRR(V4ADD, 0, X1): gen_v4op(tdest, tsrca, tsrcb, tcg_gen_add_i32); mnemonic = "v4add"; break; case OE_RRR(V4INT_H, 0, X0): case OE_RRR(V4INT_H, 0, X1): tcg_gen_shri_tl(tdest, tsrcb, 32); tcg_gen_deposit_tl(tdest, tsrca, tdest, 0, 32); mnemonic = "v4int_h"; break; case OE_RRR(V4INT_L, 0, X0): case OE_RRR(V4INT_L, 0, X1): tcg_gen_deposit_tl(tdest, tsrcb, tsrca, 32, 32); mnemonic = "v4int_l"; break; case OE_RRR(V4PACKSC, 0, X0): case OE_RRR(V4PACKSC, 0, X1): case OE_RRR(V4SHLSC, 0, X0): case OE_RRR(V4SHLSC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V4SHL, 0, X0): case OE_RRR(V4SHL, 0, X1): gen_v4sh(tdest, tsrca, tsrcb, tcg_gen_shl_i32); mnemonic = "v4shl"; break; case OE_RRR(V4SHRS, 0, X0): case OE_RRR(V4SHRS, 0, X1): gen_v4sh(tdest, tsrca, tsrcb, tcg_gen_sar_i32); mnemonic = "v4shrs"; break; case OE_RRR(V4SHRU, 0, X0): case OE_RRR(V4SHRU, 0, X1): gen_v4sh(tdest, tsrca, tsrcb, tcg_gen_shr_i32); mnemonic = "v4shru"; break; case OE_RRR(V4SUBSC, 0, X0): case OE_RRR(V4SUBSC, 0, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_RRR(V4SUB, 0, X0): case OE_RRR(V4SUB, 0, X1): gen_v4op(tdest, tsrca, tsrcb, tcg_gen_sub_i32); mnemonic = "v2sub"; break; case OE_RRR(XOR, 0, X0): case OE_RRR(XOR, 0, X1): case OE_RRR(XOR, 5, Y0): case OE_RRR(XOR, 5, Y1): tcg_gen_xor_tl(tdest, tsrca, tsrcb); mnemonic = "xor"; break; default: return TILEGX_EXCP_OPCODE_UNKNOWN; } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %s", mnemonic, reg_names[dest], reg_names[srca], reg_names[srcb]); return TILEGX_EXCP_NONE; } static TileExcp gen_rri_opcode(DisasContext *dc, unsigned opext, unsigned dest, unsigned srca, int imm) { TCGv tdest = dest_gr(dc, dest); TCGv tsrca = load_gr(dc, srca); bool prefetch_nofault = false; const char *mnemonic; TCGMemOp memop; int i2, i3; TCGv t0; switch (opext) { case OE(ADDI_OPCODE_Y0, 0, Y0): case OE(ADDI_OPCODE_Y1, 0, Y1): case OE_IM(ADDI, X0): case OE_IM(ADDI, X1): tcg_gen_addi_tl(tdest, tsrca, imm); mnemonic = "addi"; break; case OE(ADDXI_OPCODE_Y0, 0, Y0): case OE(ADDXI_OPCODE_Y1, 0, Y1): case OE_IM(ADDXI, X0): case OE_IM(ADDXI, X1): tcg_gen_addi_tl(tdest, tsrca, imm); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "addxi"; break; case OE(ANDI_OPCODE_Y0, 0, Y0): case OE(ANDI_OPCODE_Y1, 0, Y1): case OE_IM(ANDI, X0): case OE_IM(ANDI, X1): tcg_gen_andi_tl(tdest, tsrca, imm); mnemonic = "andi"; break; case OE(CMPEQI_OPCODE_Y0, 0, Y0): case OE(CMPEQI_OPCODE_Y1, 0, Y1): case OE_IM(CMPEQI, X0): case OE_IM(CMPEQI, X1): tcg_gen_setcondi_tl(TCG_COND_EQ, tdest, tsrca, imm); mnemonic = "cmpeqi"; break; case OE(CMPLTSI_OPCODE_Y0, 0, Y0): case OE(CMPLTSI_OPCODE_Y1, 0, Y1): case OE_IM(CMPLTSI, X0): case OE_IM(CMPLTSI, X1): tcg_gen_setcondi_tl(TCG_COND_LT, tdest, tsrca, imm); mnemonic = "cmpltsi"; break; case OE_IM(CMPLTUI, X0): case OE_IM(CMPLTUI, X1): tcg_gen_setcondi_tl(TCG_COND_LTU, tdest, tsrca, imm); mnemonic = "cmpltui"; break; case OE_IM(LD1S_ADD, X1): memop = MO_SB; mnemonic = "ld1s_add"; /* prefetch_add_l1_fault */ goto do_load_add; case OE_IM(LD1U_ADD, X1): memop = MO_UB; mnemonic = "ld1u_add"; /* prefetch_add_l1 */ prefetch_nofault = (dest == TILEGX_R_ZERO); goto do_load_add; case OE_IM(LD2S_ADD, X1): memop = MO_TESW; mnemonic = "ld2s_add"; /* prefetch_add_l2_fault */ goto do_load_add; case OE_IM(LD2U_ADD, X1): memop = MO_TEUW; mnemonic = "ld2u_add"; /* prefetch_add_l2 */ prefetch_nofault = (dest == TILEGX_R_ZERO); goto do_load_add; case OE_IM(LD4S_ADD, X1): memop = MO_TESL; mnemonic = "ld4s_add"; /* prefetch_add_l3_fault */ goto do_load_add; case OE_IM(LD4U_ADD, X1): memop = MO_TEUL; mnemonic = "ld4u_add"; /* prefetch_add_l3 */ prefetch_nofault = (dest == TILEGX_R_ZERO); goto do_load_add; case OE_IM(LDNT1S_ADD, X1): memop = MO_SB; mnemonic = "ldnt1s_add"; goto do_load_add; case OE_IM(LDNT1U_ADD, X1): memop = MO_UB; mnemonic = "ldnt1u_add"; goto do_load_add; case OE_IM(LDNT2S_ADD, X1): memop = MO_TESW; mnemonic = "ldnt2s_add"; goto do_load_add; case OE_IM(LDNT2U_ADD, X1): memop = MO_TEUW; mnemonic = "ldnt2u_add"; goto do_load_add; case OE_IM(LDNT4S_ADD, X1): memop = MO_TESL; mnemonic = "ldnt4s_add"; goto do_load_add; case OE_IM(LDNT4U_ADD, X1): memop = MO_TEUL; mnemonic = "ldnt4u_add"; goto do_load_add; case OE_IM(LDNT_ADD, X1): memop = MO_TEQ; mnemonic = "ldnt_add"; goto do_load_add; case OE_IM(LD_ADD, X1): memop = MO_TEQ; mnemonic = "ld_add"; do_load_add: if (!prefetch_nofault) { tcg_gen_qemu_ld_tl(tdest, tsrca, dc->mmuidx, memop); } tcg_gen_addi_tl(dest_gr(dc, srca), tsrca, imm); break; case OE_IM(LDNA_ADD, X1): tcg_gen_andi_tl(tdest, tsrca, ~7); tcg_gen_qemu_ld_tl(tdest, tdest, dc->mmuidx, MO_TEQ); tcg_gen_addi_tl(dest_gr(dc, srca), tsrca, imm); mnemonic = "ldna_add"; break; case OE_IM(ORI, X0): case OE_IM(ORI, X1): tcg_gen_ori_tl(tdest, tsrca, imm); mnemonic = "ori"; break; case OE_IM(V1ADDI, X0): case OE_IM(V1ADDI, X1): t0 = tcg_const_tl(V1_IMM(imm)); gen_v12add(tdest, tsrca, t0, V1_IMM(0x80)); tcg_temp_free(t0); mnemonic = "v1addi"; break; case OE_IM(V1CMPEQI, X0): case OE_IM(V1CMPEQI, X1): tcg_gen_xori_tl(tdest, tsrca, V1_IMM(imm)); gen_v1cmpeq0(tdest); mnemonic = "v1cmpeqi"; break; case OE_IM(V1CMPLTSI, X0): case OE_IM(V1CMPLTSI, X1): case OE_IM(V1CMPLTUI, X0): case OE_IM(V1CMPLTUI, X1): case OE_IM(V1MAXUI, X0): case OE_IM(V1MAXUI, X1): case OE_IM(V1MINUI, X0): case OE_IM(V1MINUI, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_IM(V2ADDI, X0): case OE_IM(V2ADDI, X1): t0 = tcg_const_tl(V2_IMM(imm)); gen_v12add(tdest, tsrca, t0, V2_IMM(0x8000)); tcg_temp_free(t0); mnemonic = "v2addi"; break; case OE_IM(V2CMPEQI, X0): case OE_IM(V2CMPEQI, X1): case OE_IM(V2CMPLTSI, X0): case OE_IM(V2CMPLTSI, X1): case OE_IM(V2CMPLTUI, X0): case OE_IM(V2CMPLTUI, X1): case OE_IM(V2MAXSI, X0): case OE_IM(V2MAXSI, X1): case OE_IM(V2MINSI, X0): case OE_IM(V2MINSI, X1): return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; case OE_IM(XORI, X0): case OE_IM(XORI, X1): tcg_gen_xori_tl(tdest, tsrca, imm); mnemonic = "xori"; break; case OE_SH(ROTLI, X0): case OE_SH(ROTLI, X1): case OE_SH(ROTLI, Y0): case OE_SH(ROTLI, Y1): tcg_gen_rotli_tl(tdest, tsrca, imm); mnemonic = "rotli"; break; case OE_SH(SHLI, X0): case OE_SH(SHLI, X1): case OE_SH(SHLI, Y0): case OE_SH(SHLI, Y1): tcg_gen_shli_tl(tdest, tsrca, imm); mnemonic = "shli"; break; case OE_SH(SHLXI, X0): case OE_SH(SHLXI, X1): tcg_gen_shli_tl(tdest, tsrca, imm & 31); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "shlxi"; break; case OE_SH(SHRSI, X0): case OE_SH(SHRSI, X1): case OE_SH(SHRSI, Y0): case OE_SH(SHRSI, Y1): tcg_gen_sari_tl(tdest, tsrca, imm); mnemonic = "shrsi"; break; case OE_SH(SHRUI, X0): case OE_SH(SHRUI, X1): case OE_SH(SHRUI, Y0): case OE_SH(SHRUI, Y1): tcg_gen_shri_tl(tdest, tsrca, imm); mnemonic = "shrui"; break; case OE_SH(SHRUXI, X0): case OE_SH(SHRUXI, X1): if ((imm & 31) == 0) { tcg_gen_ext32s_tl(tdest, tsrca); } else { tcg_gen_ext32u_tl(tdest, tsrca); tcg_gen_shri_tl(tdest, tdest, imm & 31); } mnemonic = "shlxi"; break; case OE_SH(V1SHLI, X0): case OE_SH(V1SHLI, X1): i2 = imm & 7; i3 = 0xff >> i2; tcg_gen_andi_tl(tdest, tsrca, V1_IMM(i3)); tcg_gen_shli_tl(tdest, tdest, i2); mnemonic = "v1shli"; break; case OE_SH(V1SHRSI, X0): case OE_SH(V1SHRSI, X1): t0 = tcg_const_tl(imm & 7); gen_helper_v1shrs(tdest, tsrca, t0); tcg_temp_free(t0); mnemonic = "v1shrsi"; break; case OE_SH(V1SHRUI, X0): case OE_SH(V1SHRUI, X1): i2 = imm & 7; i3 = (0xff << i2) & 0xff; tcg_gen_andi_tl(tdest, tsrca, V1_IMM(i3)); tcg_gen_shri_tl(tdest, tdest, i2); mnemonic = "v1shrui"; break; case OE_SH(V2SHLI, X0): case OE_SH(V2SHLI, X1): i2 = imm & 15; i3 = 0xffff >> i2; tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3)); tcg_gen_shli_tl(tdest, tdest, i2); mnemonic = "v2shli"; break; case OE_SH(V2SHRSI, X0): case OE_SH(V2SHRSI, X1): t0 = tcg_const_tl(imm & 15); gen_helper_v2shrs(tdest, tsrca, t0); tcg_temp_free(t0); mnemonic = "v2shrsi"; break; case OE_SH(V2SHRUI, X0): case OE_SH(V2SHRUI, X1): i2 = imm & 15; i3 = (0xffff << i2) & 0xffff; tcg_gen_andi_tl(tdest, tsrca, V2_IMM(i3)); tcg_gen_shri_tl(tdest, tdest, i2); mnemonic = "v2shrui"; break; case OE(ADDLI_OPCODE_X0, 0, X0): case OE(ADDLI_OPCODE_X1, 0, X1): tcg_gen_addi_tl(tdest, tsrca, imm); mnemonic = "addli"; break; case OE(ADDXLI_OPCODE_X0, 0, X0): case OE(ADDXLI_OPCODE_X1, 0, X1): tcg_gen_addi_tl(tdest, tsrca, imm); tcg_gen_ext32s_tl(tdest, tdest); mnemonic = "addxli"; break; case OE(SHL16INSLI_OPCODE_X0, 0, X0): case OE(SHL16INSLI_OPCODE_X1, 0, X1): tcg_gen_shli_tl(tdest, tsrca, 16); tcg_gen_ori_tl(tdest, tdest, imm & 0xffff); mnemonic = "shl16insli"; break; default: return TILEGX_EXCP_OPCODE_UNKNOWN; } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %d", mnemonic, reg_names[dest], reg_names[srca], imm); return TILEGX_EXCP_NONE; } static TileExcp gen_bf_opcode_x0(DisasContext *dc, unsigned ext, unsigned dest, unsigned srca, unsigned bfs, unsigned bfe) { TCGv tdest = dest_gr(dc, dest); TCGv tsrca = load_gr(dc, srca); TCGv tsrcd; int len; const char *mnemonic; /* The bitfield is either between E and S inclusive, or up from S and down from E inclusive. */ if (bfs <= bfe) { len = bfe - bfs + 1; } else { len = (64 - bfs) + (bfe + 1); } switch (ext) { case BFEXTU_BF_OPCODE_X0: if (bfs == 0 && bfe == 7) { tcg_gen_ext8u_tl(tdest, tsrca); } else if (bfs == 0 && bfe == 15) { tcg_gen_ext16u_tl(tdest, tsrca); } else if (bfs == 0 && bfe == 31) { tcg_gen_ext32u_tl(tdest, tsrca); } else { int rol = 63 - bfe; if (bfs <= bfe) { tcg_gen_shli_tl(tdest, tsrca, rol); } else { tcg_gen_rotli_tl(tdest, tsrca, rol); } tcg_gen_shri_tl(tdest, tdest, (bfs + rol) & 63); } mnemonic = "bfextu"; break; case BFEXTS_BF_OPCODE_X0: if (bfs == 0 && bfe == 7) { tcg_gen_ext8s_tl(tdest, tsrca); } else if (bfs == 0 && bfe == 15) { tcg_gen_ext16s_tl(tdest, tsrca); } else if (bfs == 0 && bfe == 31) { tcg_gen_ext32s_tl(tdest, tsrca); } else { int rol = 63 - bfe; if (bfs <= bfe) { tcg_gen_shli_tl(tdest, tsrca, rol); } else { tcg_gen_rotli_tl(tdest, tsrca, rol); } tcg_gen_sari_tl(tdest, tdest, (bfs + rol) & 63); } mnemonic = "bfexts"; break; case BFINS_BF_OPCODE_X0: tsrcd = load_gr(dc, dest); if (bfs <= bfe) { tcg_gen_deposit_tl(tdest, tsrcd, tsrca, bfs, len); } else { tcg_gen_rotri_tl(tdest, tsrcd, bfs); tcg_gen_deposit_tl(tdest, tdest, tsrca, 0, len); tcg_gen_rotli_tl(tdest, tdest, bfs); } mnemonic = "bfins"; break; case MM_BF_OPCODE_X0: tsrcd = load_gr(dc, dest); if (bfs == 0) { tcg_gen_deposit_tl(tdest, tsrca, tsrcd, 0, len); } else { uint64_t mask = len == 64 ? -1 : rol64((1ULL << len) - 1, bfs); TCGv tmp = tcg_const_tl(mask); tcg_gen_and_tl(tdest, tsrcd, tmp); tcg_gen_andc_tl(tmp, tsrca, tmp); tcg_gen_or_tl(tdest, tdest, tmp); tcg_temp_free(tmp); } mnemonic = "mm"; break; default: return TILEGX_EXCP_OPCODE_UNKNOWN; } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s, %u, %u", mnemonic, reg_names[dest], reg_names[srca], bfs, bfe); return TILEGX_EXCP_NONE; } static TileExcp gen_branch_opcode_x1(DisasContext *dc, unsigned ext, unsigned srca, int off) { target_ulong tgt = dc->pc + off * TILEGX_BUNDLE_SIZE_IN_BYTES; const char *mnemonic; dc->jmp.dest = tcg_const_tl(tgt); dc->jmp.val1 = tcg_temp_new(); tcg_gen_mov_tl(dc->jmp.val1, load_gr(dc, srca)); /* Note that the "predict taken" opcodes have bit 0 clear. Therefore, fold the two cases together by setting bit 0. */ switch (ext | 1) { case BEQZ_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_EQ; mnemonic = "beqz"; break; case BNEZ_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_NE; mnemonic = "bnez"; break; case BGEZ_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_GE; mnemonic = "bgez"; break; case BGTZ_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_GT; mnemonic = "bgtz"; break; case BLEZ_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_LE; mnemonic = "blez"; break; case BLTZ_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_LT; mnemonic = "bltz"; break; case BLBC_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_EQ; tcg_gen_andi_tl(dc->jmp.val1, dc->jmp.val1, 1); mnemonic = "blbc"; break; case BLBS_BRANCH_OPCODE_X1: dc->jmp.cond = TCG_COND_NE; tcg_gen_andi_tl(dc->jmp.val1, dc->jmp.val1, 1); mnemonic = "blbs"; break; default: return TILEGX_EXCP_OPCODE_UNKNOWN; } if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { qemu_log("%s%s %s, " TARGET_FMT_lx " <%s>", mnemonic, ext & 1 ? "" : "t", reg_names[srca], tgt, lookup_symbol(tgt)); } return TILEGX_EXCP_NONE; } static TileExcp gen_jump_opcode_x1(DisasContext *dc, unsigned ext, int off) { target_ulong tgt = dc->pc + off * TILEGX_BUNDLE_SIZE_IN_BYTES; const char *mnemonic = "j"; /* The extension field is 1 bit, therefore we only have JAL and J. */ if (ext == JAL_JUMP_OPCODE_X1) { tcg_gen_movi_tl(dest_gr(dc, TILEGX_R_LR), dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES); mnemonic = "jal"; } dc->jmp.cond = TCG_COND_ALWAYS; dc->jmp.dest = tcg_const_tl(tgt); if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { qemu_log("%s " TARGET_FMT_lx " <%s>", mnemonic, tgt, lookup_symbol(tgt)); } return TILEGX_EXCP_NONE; } typedef struct { const char *name; intptr_t offset; void (*get)(TCGv, TCGv_ptr); void (*put)(TCGv_ptr, TCGv); } TileSPR; static const TileSPR *find_spr(unsigned spr) { /* Allow the compiler to construct the binary search tree. */ #define D(N, O, G, P) \ case SPR_##N: { static const TileSPR x = { #N, O, G, P }; return &x; } switch (spr) { D(CMPEXCH_VALUE, offsetof(CPUTLGState, spregs[TILEGX_SPR_CMPEXCH]), 0, 0) D(INTERRUPT_CRITICAL_SECTION, offsetof(CPUTLGState, spregs[TILEGX_SPR_CRITICAL_SEC]), 0, 0) D(SIM_CONTROL, offsetof(CPUTLGState, spregs[TILEGX_SPR_SIM_CONTROL]), 0, 0) D(EX_CONTEXT_0_0, offsetof(CPUTLGState, spregs[TILEGX_SPR_EX_CONTEXT_0_0]), 0, 0) D(EX_CONTEXT_0_1, offsetof(CPUTLGState, spregs[TILEGX_SPR_EX_CONTEXT_0_1]), 0, 0) } #undef D qemu_log_mask(LOG_UNIMP, "UNIMP SPR %u\n", spr); return NULL; } static TileExcp gen_mtspr_x1(DisasContext *dc, unsigned spr, unsigned srca) { const TileSPR *def = find_spr(spr); TCGv tsrca; if (def == NULL) { qemu_log_mask(CPU_LOG_TB_IN_ASM, "mtspr spr[%u], %s", spr, reg_names[srca]); return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; } tsrca = load_gr(dc, srca); if (def->put) { def->put(cpu_env, tsrca); } else { tcg_gen_st_tl(tsrca, cpu_env, def->offset); } qemu_log_mask(CPU_LOG_TB_IN_ASM, "mtspr %s, %s", def->name, reg_names[srca]); return TILEGX_EXCP_NONE; } static TileExcp gen_mfspr_x1(DisasContext *dc, unsigned dest, unsigned spr) { const TileSPR *def = find_spr(spr); TCGv tdest; if (def == NULL) { qemu_log_mask(CPU_LOG_TB_IN_ASM, "mtspr %s, spr[%u]", reg_names[dest], spr); return TILEGX_EXCP_OPCODE_UNIMPLEMENTED; } tdest = dest_gr(dc, dest); if (def->get) { def->get(tdest, cpu_env); } else { tcg_gen_ld_tl(tdest, cpu_env, def->offset); } qemu_log_mask(CPU_LOG_TB_IN_ASM, "mfspr %s, %s", reg_names[dest], def->name); return TILEGX_EXCP_NONE; } static TileExcp decode_y0(DisasContext *dc, tilegx_bundle_bits bundle) { unsigned opc = get_Opcode_Y0(bundle); unsigned ext = get_RRROpcodeExtension_Y0(bundle); unsigned dest = get_Dest_Y0(bundle); unsigned srca = get_SrcA_Y0(bundle); unsigned srcb; int imm; switch (opc) { case RRR_1_OPCODE_Y0: if (ext == UNARY_RRR_1_OPCODE_Y0) { ext = get_UnaryOpcodeExtension_Y0(bundle); return gen_rr_opcode(dc, OE(opc, ext, Y0), dest, srca, bundle); } /* fallthru */ case RRR_0_OPCODE_Y0: case RRR_2_OPCODE_Y0: case RRR_3_OPCODE_Y0: case RRR_4_OPCODE_Y0: case RRR_5_OPCODE_Y0: case RRR_6_OPCODE_Y0: case RRR_7_OPCODE_Y0: case RRR_8_OPCODE_Y0: case RRR_9_OPCODE_Y0: srcb = get_SrcB_Y0(bundle); return gen_rrr_opcode(dc, OE(opc, ext, Y0), dest, srca, srcb); case SHIFT_OPCODE_Y0: ext = get_ShiftOpcodeExtension_Y0(bundle); imm = get_ShAmt_Y0(bundle); return gen_rri_opcode(dc, OE(opc, ext, Y0), dest, srca, imm); case ADDI_OPCODE_Y0: case ADDXI_OPCODE_Y0: case ANDI_OPCODE_Y0: case CMPEQI_OPCODE_Y0: case CMPLTSI_OPCODE_Y0: imm = (int8_t)get_Imm8_Y0(bundle); return gen_rri_opcode(dc, OE(opc, 0, Y0), dest, srca, imm); default: return TILEGX_EXCP_OPCODE_UNKNOWN; } } static TileExcp decode_y1(DisasContext *dc, tilegx_bundle_bits bundle) { unsigned opc = get_Opcode_Y1(bundle); unsigned ext = get_RRROpcodeExtension_Y1(bundle); unsigned dest = get_Dest_Y1(bundle); unsigned srca = get_SrcA_Y1(bundle); unsigned srcb; int imm; switch (get_Opcode_Y1(bundle)) { case RRR_1_OPCODE_Y1: if (ext == UNARY_RRR_1_OPCODE_Y0) { ext = get_UnaryOpcodeExtension_Y1(bundle); return gen_rr_opcode(dc, OE(opc, ext, Y1), dest, srca, bundle); } /* fallthru */ case RRR_0_OPCODE_Y1: case RRR_2_OPCODE_Y1: case RRR_3_OPCODE_Y1: case RRR_4_OPCODE_Y1: case RRR_5_OPCODE_Y1: case RRR_6_OPCODE_Y1: case RRR_7_OPCODE_Y1: srcb = get_SrcB_Y1(bundle); return gen_rrr_opcode(dc, OE(opc, ext, Y1), dest, srca, srcb); case SHIFT_OPCODE_Y1: ext = get_ShiftOpcodeExtension_Y1(bundle); imm = get_ShAmt_Y1(bundle); return gen_rri_opcode(dc, OE(opc, ext, Y1), dest, srca, imm); case ADDI_OPCODE_Y1: case ADDXI_OPCODE_Y1: case ANDI_OPCODE_Y1: case CMPEQI_OPCODE_Y1: case CMPLTSI_OPCODE_Y1: imm = (int8_t)get_Imm8_Y1(bundle); return gen_rri_opcode(dc, OE(opc, 0, Y1), dest, srca, imm); default: return TILEGX_EXCP_OPCODE_UNKNOWN; } } static TileExcp decode_y2(DisasContext *dc, tilegx_bundle_bits bundle) { unsigned mode = get_Mode(bundle); unsigned opc = get_Opcode_Y2(bundle); unsigned srca = get_SrcA_Y2(bundle); unsigned srcbdest = get_SrcBDest_Y2(bundle); const char *mnemonic; TCGMemOp memop; bool prefetch_nofault = false; switch (OEY2(opc, mode)) { case OEY2(LD1S_OPCODE_Y2, MODE_OPCODE_YA2): memop = MO_SB; mnemonic = "ld1s"; /* prefetch_l1_fault */ goto do_load; case OEY2(LD1U_OPCODE_Y2, MODE_OPCODE_YA2): memop = MO_UB; mnemonic = "ld1u"; /* prefetch, prefetch_l1 */ prefetch_nofault = (srcbdest == TILEGX_R_ZERO); goto do_load; case OEY2(LD2S_OPCODE_Y2, MODE_OPCODE_YA2): memop = MO_TESW; mnemonic = "ld2s"; /* prefetch_l2_fault */ goto do_load; case OEY2(LD2U_OPCODE_Y2, MODE_OPCODE_YA2): memop = MO_TEUW; mnemonic = "ld2u"; /* prefetch_l2 */ prefetch_nofault = (srcbdest == TILEGX_R_ZERO); goto do_load; case OEY2(LD4S_OPCODE_Y2, MODE_OPCODE_YB2): memop = MO_TESL; mnemonic = "ld4s"; /* prefetch_l3_fault */ goto do_load; case OEY2(LD4U_OPCODE_Y2, MODE_OPCODE_YB2): memop = MO_TEUL; mnemonic = "ld4u"; /* prefetch_l3 */ prefetch_nofault = (srcbdest == TILEGX_R_ZERO); goto do_load; case OEY2(LD_OPCODE_Y2, MODE_OPCODE_YB2): memop = MO_TEQ; mnemonic = "ld"; do_load: if (!prefetch_nofault) { tcg_gen_qemu_ld_tl(dest_gr(dc, srcbdest), load_gr(dc, srca), dc->mmuidx, memop); } qemu_log_mask(CPU_LOG_TB_IN_ASM, "%s %s, %s", mnemonic, reg_names[srcbdest], reg_names[srca]); return TILEGX_EXCP_NONE; case OEY2(ST1_OPCODE_Y2, MODE_OPCODE_YC2): return gen_st_opcode(dc, 0, srca, srcbdest, MO_UB, "st1"); case OEY2(ST2_OPCODE_Y2, MODE_OPCODE_YC2): return gen_st_opcode(dc, 0, srca, srcbdest, MO_TEUW, "st2"); case OEY2(ST4_OPCODE_Y2, MODE_OPCODE_YC2): return gen_st_opcode(dc, 0, srca, srcbdest, MO_TEUL, "st4"); case OEY2(ST_OPCODE_Y2, MODE_OPCODE_YC2): return gen_st_opcode(dc, 0, srca, srcbdest, MO_TEQ, "st"); default: return TILEGX_EXCP_OPCODE_UNKNOWN; } } static TileExcp decode_x0(DisasContext *dc, tilegx_bundle_bits bundle) { unsigned opc = get_Opcode_X0(bundle); unsigned dest = get_Dest_X0(bundle); unsigned srca = get_SrcA_X0(bundle); unsigned ext, srcb, bfs, bfe; int imm; switch (opc) { case RRR_0_OPCODE_X0: ext = get_RRROpcodeExtension_X0(bundle); if (ext == UNARY_RRR_0_OPCODE_X0) { ext = get_UnaryOpcodeExtension_X0(bundle); return gen_rr_opcode(dc, OE(opc, ext, X0), dest, srca, bundle); } srcb = get_SrcB_X0(bundle); return gen_rrr_opcode(dc, OE(opc, ext, X0), dest, srca, srcb); case SHIFT_OPCODE_X0: ext = get_ShiftOpcodeExtension_X0(bundle); imm = get_ShAmt_X0(bundle); return gen_rri_opcode(dc, OE(opc, ext, X0), dest, srca, imm); case IMM8_OPCODE_X0: ext = get_Imm8OpcodeExtension_X0(bundle); imm = (int8_t)get_Imm8_X0(bundle); return gen_rri_opcode(dc, OE(opc, ext, X0), dest, srca, imm); case BF_OPCODE_X0: ext = get_BFOpcodeExtension_X0(bundle); bfs = get_BFStart_X0(bundle); bfe = get_BFEnd_X0(bundle); return gen_bf_opcode_x0(dc, ext, dest, srca, bfs, bfe); case ADDLI_OPCODE_X0: case SHL16INSLI_OPCODE_X0: case ADDXLI_OPCODE_X0: imm = (int16_t)get_Imm16_X0(bundle); return gen_rri_opcode(dc, OE(opc, 0, X0), dest, srca, imm); default: return TILEGX_EXCP_OPCODE_UNKNOWN; } } static TileExcp decode_x1(DisasContext *dc, tilegx_bundle_bits bundle) { unsigned opc = get_Opcode_X1(bundle); unsigned dest = get_Dest_X1(bundle); unsigned srca = get_SrcA_X1(bundle); unsigned ext, srcb; int imm; switch (opc) { case RRR_0_OPCODE_X1: ext = get_RRROpcodeExtension_X1(bundle); srcb = get_SrcB_X1(bundle); switch (ext) { case UNARY_RRR_0_OPCODE_X1: ext = get_UnaryOpcodeExtension_X1(bundle); return gen_rr_opcode(dc, OE(opc, ext, X1), dest, srca, bundle); case ST1_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_UB, "st1"); case ST2_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_TEUW, "st2"); case ST4_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_TEUL, "st4"); case STNT1_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_UB, "stnt1"); case STNT2_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_TEUW, "stnt2"); case STNT4_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_TEUL, "stnt4"); case STNT_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_TEQ, "stnt"); case ST_RRR_0_OPCODE_X1: return gen_st_opcode(dc, dest, srca, srcb, MO_TEQ, "st"); } return gen_rrr_opcode(dc, OE(opc, ext, X1), dest, srca, srcb); case SHIFT_OPCODE_X1: ext = get_ShiftOpcodeExtension_X1(bundle); imm = get_ShAmt_X1(bundle); return gen_rri_opcode(dc, OE(opc, ext, X1), dest, srca, imm); case IMM8_OPCODE_X1: ext = get_Imm8OpcodeExtension_X1(bundle); imm = (int8_t)get_Dest_Imm8_X1(bundle); srcb = get_SrcB_X1(bundle); switch (ext) { case ST1_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_UB, "st1_add"); case ST2_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUW, "st2_add"); case ST4_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUL, "st4_add"); case STNT1_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_UB, "stnt1_add"); case STNT2_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUW, "stnt2_add"); case STNT4_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEUL, "stnt4_add"); case STNT_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEQ, "stnt_add"); case ST_ADD_IMM8_OPCODE_X1: return gen_st_add_opcode(dc, srca, srcb, imm, MO_TEQ, "st_add"); case MFSPR_IMM8_OPCODE_X1: return gen_mfspr_x1(dc, dest, get_MF_Imm14_X1(bundle)); case MTSPR_IMM8_OPCODE_X1: return gen_mtspr_x1(dc, get_MT_Imm14_X1(bundle), srca); } imm = (int8_t)get_Imm8_X1(bundle); return gen_rri_opcode(dc, OE(opc, ext, X1), dest, srca, imm); case BRANCH_OPCODE_X1: ext = get_BrType_X1(bundle); imm = sextract32(get_BrOff_X1(bundle), 0, 17); return gen_branch_opcode_x1(dc, ext, srca, imm); case JUMP_OPCODE_X1: ext = get_JumpOpcodeExtension_X1(bundle); imm = sextract32(get_JumpOff_X1(bundle), 0, 27); return gen_jump_opcode_x1(dc, ext, imm); case ADDLI_OPCODE_X1: case SHL16INSLI_OPCODE_X1: case ADDXLI_OPCODE_X1: imm = (int16_t)get_Imm16_X1(bundle); return gen_rri_opcode(dc, OE(opc, 0, X1), dest, srca, imm); default: return TILEGX_EXCP_OPCODE_UNKNOWN; } } static void notice_excp(DisasContext *dc, uint64_t bundle, const char *type, TileExcp excp) { if (likely(excp == TILEGX_EXCP_NONE)) { return; } gen_exception(dc, excp); switch (excp) { case TILEGX_EXCP_OPCODE_UNIMPLEMENTED: qemu_log_mask(LOG_UNIMP, "UNIMP %s, [" FMT64X "]\n", type, bundle); break; case TILEGX_EXCP_OPCODE_UNKNOWN: qemu_log_mask(LOG_UNIMP, "UNKNOWN %s, [" FMT64X "]\n", type, bundle); break; default: break; } } static void translate_one_bundle(DisasContext *dc, uint64_t bundle) { int i; for (i = 0; i < ARRAY_SIZE(dc->wb); i++) { DisasContextTemp *wb = &dc->wb[i]; wb->reg = TILEGX_R_NOREG; TCGV_UNUSED_I64(wb->val); } dc->num_wb = 0; qemu_log_mask(CPU_LOG_TB_IN_ASM, " %" PRIx64 ": { ", dc->pc); if (get_Mode(bundle)) { notice_excp(dc, bundle, "y0", decode_y0(dc, bundle)); qemu_log_mask(CPU_LOG_TB_IN_ASM, " ; "); notice_excp(dc, bundle, "y1", decode_y1(dc, bundle)); qemu_log_mask(CPU_LOG_TB_IN_ASM, " ; "); notice_excp(dc, bundle, "y2", decode_y2(dc, bundle)); } else { notice_excp(dc, bundle, "x0", decode_x0(dc, bundle)); qemu_log_mask(CPU_LOG_TB_IN_ASM, " ; "); notice_excp(dc, bundle, "x1", decode_x1(dc, bundle)); } qemu_log_mask(CPU_LOG_TB_IN_ASM, " }\n"); for (i = dc->num_wb - 1; i >= 0; --i) { DisasContextTemp *wb = &dc->wb[i]; if (wb->reg < TILEGX_R_COUNT) { tcg_gen_mov_i64(cpu_regs[wb->reg], wb->val); } tcg_temp_free_i64(wb->val); } if (dc->jmp.cond != TCG_COND_NEVER) { if (dc->jmp.cond == TCG_COND_ALWAYS) { tcg_gen_mov_i64(cpu_pc, dc->jmp.dest); } else { TCGv next = tcg_const_i64(dc->pc + TILEGX_BUNDLE_SIZE_IN_BYTES); tcg_gen_movcond_i64(dc->jmp.cond, cpu_pc, dc->jmp.val1, load_zero(dc), dc->jmp.dest, next); tcg_temp_free_i64(dc->jmp.val1); tcg_temp_free_i64(next); } tcg_temp_free_i64(dc->jmp.dest); tcg_gen_exit_tb(0); dc->exit_tb = true; } else if (dc->atomic_excp != TILEGX_EXCP_NONE) { gen_exception(dc, dc->atomic_excp); } } void gen_intermediate_code(CPUTLGState *env, struct TranslationBlock *tb) { TileGXCPU *cpu = tilegx_env_get_cpu(env); DisasContext ctx; DisasContext *dc = &ctx; CPUState *cs = CPU(cpu); uint64_t pc_start = tb->pc; uint64_t next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE; int num_insns = 0; int max_insns = tb->cflags & CF_COUNT_MASK; dc->pc = pc_start; dc->mmuidx = 0; dc->exit_tb = false; dc->atomic_excp = TILEGX_EXCP_NONE; dc->jmp.cond = TCG_COND_NEVER; TCGV_UNUSED_I64(dc->jmp.dest); TCGV_UNUSED_I64(dc->jmp.val1); TCGV_UNUSED_I64(dc->zero); if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { qemu_log("IN: %s\n", lookup_symbol(pc_start)); } if (!max_insns) { max_insns = CF_COUNT_MASK; } if (cs->singlestep_enabled || singlestep) { max_insns = 1; } if (max_insns > TCG_MAX_INSNS) { max_insns = TCG_MAX_INSNS; } gen_tb_start(tb); while (1) { tcg_gen_insn_start(dc->pc); num_insns++; translate_one_bundle(dc, cpu_ldq_data(env, dc->pc)); if (dc->exit_tb) { /* PC updated and EXIT_TB/GOTO_TB/exception emitted. */ break; } dc->pc += TILEGX_BUNDLE_SIZE_IN_BYTES; if (num_insns >= max_insns || dc->pc >= next_page_start || tcg_op_buf_full()) { /* Ending the TB due to TB size or page boundary. Set PC. */ tcg_gen_movi_tl(cpu_pc, dc->pc); tcg_gen_exit_tb(0); break; } } gen_tb_end(tb, num_insns); tb->size = dc->pc - pc_start; tb->icount = num_insns; qemu_log_mask(CPU_LOG_TB_IN_ASM, "\n"); } void restore_state_to_opc(CPUTLGState *env, TranslationBlock *tb, target_ulong *data) { env->pc = data[0]; } void tilegx_tcg_init(void) { int i; cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); cpu_pc = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUTLGState, pc), "pc"); for (i = 0; i < TILEGX_R_COUNT; i++) { cpu_regs[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUTLGState, regs[i]), reg_names[i]); } }