[qemu.git] / tcg / sparc / tcg-target.c

/*
 * Tiny Code Generator for QEMU
 *
 * Copyright (c) 2008 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
    "%g0",
    "%g1",
    "%g2",
    "%g3",
    "%g4",
    "%g5",
    "%g6",
    "%g7",
    "%o0",
    "%o1",
    "%o2",
    "%o3",
    "%o4",
    "%o5",
    "%o6",
    "%o7",
    "%l0",
    "%l1",
    "%l2",
    "%l3",
    "%l4",
    "%l5",
    "%l6",
    "%l7",
    "%i0",
    "%i1",
    "%i2",
    "%i3",
    "%i4",
    "%i5",
    "%i6",
    "%i7",
};

static const int tcg_target_reg_alloc_order[] = {
    TCG_REG_L0,
    TCG_REG_L1,
    TCG_REG_L2,
    TCG_REG_L3,
    TCG_REG_L4,
    TCG_REG_L5,
    TCG_REG_L6,
    TCG_REG_L7,
    TCG_REG_I0,
    TCG_REG_I1,
    TCG_REG_I2,
    TCG_REG_I3,
    TCG_REG_I4,
};

static const int tcg_target_call_iarg_regs[6] = {
    TCG_REG_O0,
    TCG_REG_O1,
    TCG_REG_O2,
    TCG_REG_O3,
    TCG_REG_O4,
    TCG_REG_O5,
};

static const int tcg_target_call_oarg_regs[2] = {
    TCG_REG_O0,
    TCG_REG_O1,
};

static void patch_reloc(uint8_t *code_ptr, int type,
                        tcg_target_long value, tcg_target_long addend)
{
    value += addend;
    switch (type) {
    case R_SPARC_32:
        if (value != (uint32_t)value)
            tcg_abort();
        *(uint32_t *)code_ptr = value;
        break;
    default:
        tcg_abort();
    }
}

/* maximum number of register used for input function arguments */
static inline int tcg_target_get_call_iarg_regs_count(int flags)
{
    return 6;
}

/* parse target specific constraints */
static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
{
    const char *ct_str;

    ct_str = *pct_str;
    switch (ct_str[0]) {
    case 'r':
    case 'L': /* qemu_ld/st constraint */
        ct->ct |= TCG_CT_REG;
        tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
        break;
    case 'I':
        ct->ct |= TCG_CT_CONST_S11;
        break;
    case 'J':
        ct->ct |= TCG_CT_CONST_S13;
        break;
    default:
        return -1;
    }
    ct_str++;
    *pct_str = ct_str;
    return 0;
}

#define ABS(x) ((x) < 0? -(x) : (x))
/* test if a constant matches the constraint */
static inline int tcg_target_const_match(tcg_target_long val,
                                         const TCGArgConstraint *arg_ct)
{
    int ct;

    ct = arg_ct->ct;
    if (ct & TCG_CT_CONST)
        return 1;
    else if ((ct & TCG_CT_CONST_S11) && ABS(val) == (ABS(val) & 0x3ff))
        return 1;
    else if ((ct & TCG_CT_CONST_S13) && ABS(val) == (ABS(val) & 0xfff))
        return 1;
    else
        return 0;
}

#define INSN_OP(x)  ((x) << 30)
#define INSN_OP2(x) ((x) << 22)
#define INSN_OP3(x) ((x) << 19)
#define INSN_OPF(x) ((x) << 5)
#define INSN_RD(x)  ((x) << 25)
#define INSN_RS1(x) ((x) << 14)
#define INSN_RS2(x) (x)

#define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff))
#define INSN_OFF22(x) (((x) >> 2) & 0x3fffff)

#define INSN_COND(x, a) (((x) << 25) | ((a) << 29))
#define COND_A     0x8
#define BA         (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2))

#define ARITH_ADD  (INSN_OP(2) | INSN_OP3(0x00))
#define ARITH_AND  (INSN_OP(2) | INSN_OP3(0x01))
#define ARITH_OR   (INSN_OP(2) | INSN_OP3(0x02))
#define ARITH_XOR  (INSN_OP(2) | INSN_OP3(0x03))
#define ARITH_SUB  (INSN_OP(2) | INSN_OP3(0x08))
#define ARITH_ADDX (INSN_OP(2) | INSN_OP3(0x10))
#define ARITH_SUBX (INSN_OP(2) | INSN_OP3(0x0c))
#define ARITH_UMUL (INSN_OP(2) | INSN_OP3(0x0a))
#define ARITH_UDIV (INSN_OP(2) | INSN_OP3(0x0e))
#define ARITH_SDIV (INSN_OP(2) | INSN_OP3(0x0f))
#define ARITH_MULX (INSN_OP(2) | INSN_OP3(0x09))
#define ARITH_UDIVX (INSN_OP(2) | INSN_OP3(0x0d))
#define ARITH_SDIVX (INSN_OP(2) | INSN_OP3(0x2d))

#define SHIFT_SLL  (INSN_OP(2) | INSN_OP3(0x25))
#define SHIFT_SRL  (INSN_OP(2) | INSN_OP3(0x26))
#define SHIFT_SRA  (INSN_OP(2) | INSN_OP3(0x27))

#define SHIFT_SLLX (INSN_OP(2) | INSN_OP3(0x25) | (1 << 12))
#define SHIFT_SRLX (INSN_OP(2) | INSN_OP3(0x26) | (1 << 12))
#define SHIFT_SRAX (INSN_OP(2) | INSN_OP3(0x27) | (1 << 12))

#define WRY        (INSN_OP(2) | INSN_OP3(0x30))
#define JMPL       (INSN_OP(2) | INSN_OP3(0x38))
#define SAVE       (INSN_OP(2) | INSN_OP3(0x3c))
#define RESTORE    (INSN_OP(2) | INSN_OP3(0x3d))
#define SETHI      (INSN_OP(0) | INSN_OP2(0x4))
#define CALL       INSN_OP(1)
#define LDUB       (INSN_OP(3) | INSN_OP3(0x01))
#define LDSB       (INSN_OP(3) | INSN_OP3(0x09))
#define LDUH       (INSN_OP(3) | INSN_OP3(0x02))
#define LDSH       (INSN_OP(3) | INSN_OP3(0x0a))
#define LDUW       (INSN_OP(3) | INSN_OP3(0x00))
#define LDSW       (INSN_OP(3) | INSN_OP3(0x08))
#define LDX        (INSN_OP(3) | INSN_OP3(0x0b))
#define STB        (INSN_OP(3) | INSN_OP3(0x05))
#define STH        (INSN_OP(3) | INSN_OP3(0x06))
#define STW        (INSN_OP(3) | INSN_OP3(0x04))
#define STX        (INSN_OP(3) | INSN_OP3(0x0e))

static inline void tcg_out_mov(TCGContext *s, int ret, int arg)
{
    tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(arg) |
              INSN_RS2(TCG_REG_G0));
}

static inline void tcg_out_movi(TCGContext *s, TCGType type,
                                int ret, tcg_target_long arg)
{
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    if (arg != (arg & 0xffffffff))
        fprintf(stderr, "unimplemented %s with constant %ld\n", __func__, arg);
#endif
    if (arg == (arg & 0xfff))
        tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) |
                  INSN_IMM13(arg));
    else {
        tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
        if (arg & 0x3ff)
            tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
                      INSN_IMM13(arg & 0x3ff));
    }
}

static inline void tcg_out_ld_raw(TCGContext *s, int ret,
                                  tcg_target_long arg)
{
    tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
    tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
              INSN_IMM13(arg & 0x3ff));
}

static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
                                  tcg_target_long arg)
{
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    if (arg != (arg & 0xffffffff))
        fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg);
    if (arg != (arg & 0xfff))
        tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
    tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) |
              INSN_IMM13(arg & 0x3ff));
#else
    tcg_out_ld_raw(s, ret, arg);
#endif
}

static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op)
{
    if (offset == (offset & 0xfff))
        tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(addr) |
                  INSN_IMM13(offset));
    else
        fprintf(stderr, "unimplemented %s with offset %d\n", __func__, offset);
}

static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret,
                              int arg1, tcg_target_long arg2)
{
    fprintf(stderr, "unimplemented %s\n", __func__);
}

static inline void tcg_out_st(TCGContext *s, TCGType type, int arg,
                              int arg1, tcg_target_long arg2)
{
    fprintf(stderr, "unimplemented %s\n", __func__);
}

static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
                                 int op)
{
    tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
              INSN_RS2(rs2));
}

static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
                                  int op)
{
    tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
              INSN_IMM13(offset));
}

static inline void tcg_out_sety(TCGContext *s, tcg_target_long val)
{
    if (val == 0 || val == -1)
        tcg_out32(s, WRY | INSN_IMM13(val));
    else
        fprintf(stderr, "unimplemented sety %ld\n", (long)val);
}

static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
{
    if (val != 0) {
        if (val == (val & 0xfff))
            tcg_out_arithi(s, reg, reg, val, ARITH_ADD);
        else
            fprintf(stderr, "unimplemented addi %ld\n", (long)val);
    }
}

static inline void tcg_out_nop(TCGContext *s)
{
    tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0);
}

static inline void tcg_target_prologue(TCGContext *s)
{
    tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) |
              INSN_IMM13(-TCG_TARGET_STACK_MINFRAME));
}

static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
                              const int *const_args)
{
    int c;

    switch (opc) {
    case INDEX_op_exit_tb:
        tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, args[0]);
        tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I7) |
                  INSN_IMM13(8));
        tcg_out32(s, RESTORE | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_G0) |
                      INSN_RS2(TCG_REG_G0));
        break;
    case INDEX_op_goto_tb:
        if (s->tb_jmp_offset) {
            /* direct jump method */
            if (ABS(args[0] - (unsigned long)s->code_ptr) ==
                (ABS(args[0] - (unsigned long)s->code_ptr) & 0x1fffff)) {
                tcg_out32(s, BA |
                          INSN_OFF22(args[0] - (unsigned long)s->code_ptr));
            } else {
                tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, args[0]);
                tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
                          INSN_RS2(TCG_REG_G0));
            }
            s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
        } else {
            /* indirect jump method */
            tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0]));
            tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
                      INSN_RS2(TCG_REG_G0));
        }
        tcg_out_nop(s);
        s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
        break;
    case INDEX_op_call:
        if (const_args[0]) {
            tcg_out32(s, CALL | ((((tcg_target_ulong)args[0]
                                  - (tcg_target_ulong)s->code_ptr) >> 2)
                                 & 0x3fffffff));
            tcg_out_nop(s);
        } else {
            tcg_out_ld_ptr(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
            tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) |
                      INSN_RS2(TCG_REG_G0));
            tcg_out_nop(s);
        }
        break;
    case INDEX_op_jmp:
        fprintf(stderr, "unimplemented jmp\n");
        break;
    case INDEX_op_br:
        fprintf(stderr, "unimplemented br\n");
        break;
    case INDEX_op_movi_i32:
        tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]);
        break;

#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
#define OP_32_64(x)                             \
        glue(glue(case INDEX_op_, x), _i32:)    \
        glue(glue(case INDEX_op_, x), _i64:)
#else
#define OP_32_64(x)                             \
        glue(glue(case INDEX_op_, x), _i32:)
#endif
        OP_32_64(ld8u);
        tcg_out_ldst(s, args[0], args[1], args[2], LDUB);
        break;
        OP_32_64(ld8s);
        tcg_out_ldst(s, args[0], args[1], args[2], LDSB);
        break;
        OP_32_64(ld16u);
        tcg_out_ldst(s, args[0], args[1], args[2], LDUH);
        break;
        OP_32_64(ld16s);
        tcg_out_ldst(s, args[0], args[1], args[2], LDSH);
        break;
    case INDEX_op_ld_i32:
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    case INDEX_op_ld32u_i64:
#endif
        tcg_out_ldst(s, args[0], args[1], args[2], LDUW);
        break;
        OP_32_64(st8);
        tcg_out_ldst(s, args[0], args[1], args[2], STB);
        break;
        OP_32_64(st16);
        tcg_out_ldst(s, args[0], args[1], args[2], STH);
        break;
    case INDEX_op_st_i32:
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    case INDEX_op_st32_i64:
#endif
        tcg_out_ldst(s, args[0], args[1], args[2], STW);
        break;
        OP_32_64(add);
        c = ARITH_ADD;
        goto gen_arith32;
        OP_32_64(sub);
        c = ARITH_SUB;
        goto gen_arith32;
        OP_32_64(and);
        c = ARITH_AND;
        goto gen_arith32;
        OP_32_64(or);
        c = ARITH_OR;
        goto gen_arith32;
        OP_32_64(xor);
        c = ARITH_XOR;
        goto gen_arith32;
    case INDEX_op_shl_i32:
        c = SHIFT_SLL;
        goto gen_arith32;
    case INDEX_op_shr_i32:
        c = SHIFT_SRL;
        goto gen_arith32;
    case INDEX_op_sar_i32:
        c = SHIFT_SRA;
        goto gen_arith32;
    case INDEX_op_mul_i32:
        c = ARITH_UMUL;
        goto gen_arith32;
    case INDEX_op_div2_i32:
#if defined(__sparc_v9__) || defined(__sparc_v8plus__)
        c = ARITH_SDIVX;
        goto gen_arith32;
#else
        tcg_out_sety(s, 0);
        c = ARITH_SDIV;
        goto gen_arith32;
#endif
    case INDEX_op_divu2_i32:
#if defined(__sparc_v9__) || defined(__sparc_v8plus__)
        c = ARITH_UDIVX;
        goto gen_arith32;
#else
        tcg_out_sety(s, 0);
        c = ARITH_UDIV;
        goto gen_arith32;
#endif

    case INDEX_op_brcond_i32:
        fprintf(stderr, "unimplemented brcond\n");
        break;

    case INDEX_op_qemu_ld8u:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_ld8s:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_ld16u:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_ld16s:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_ld32u:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_ld32s:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_st8:
        fprintf(stderr, "unimplemented qst\n");
        break;
    case INDEX_op_qemu_st16:
        fprintf(stderr, "unimplemented qst\n");
        break;
    case INDEX_op_qemu_st32:
        fprintf(stderr, "unimplemented qst\n");
        break;

#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    case INDEX_op_movi_i64:
        tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]);
        break;
    case INDEX_op_ld32s_i64:
        tcg_out_ldst(s, args[0], args[1], args[2], LDSW);
        break;
    case INDEX_op_ld_i64:
        tcg_out_ldst(s, args[0], args[1], args[2], LDX);
        break;
    case INDEX_op_st_i64:
        tcg_out_ldst(s, args[0], args[1], args[2], STX);
        break;
    case INDEX_op_shl_i64:
        c = SHIFT_SLLX;
        goto gen_arith32;
    case INDEX_op_shr_i64:
        c = SHIFT_SRLX;
        goto gen_arith32;
    case INDEX_op_sar_i64:
        c = SHIFT_SRAX;
        goto gen_arith32;
    case INDEX_op_mul_i64:
        c = ARITH_MULX;
        goto gen_arith32;
    case INDEX_op_div2_i64:
        c = ARITH_SDIVX;
        goto gen_arith32;
    case INDEX_op_divu2_i64:
        c = ARITH_UDIVX;
        goto gen_arith32;

    case INDEX_op_brcond_i64:
        fprintf(stderr, "unimplemented brcond\n");
        break;
    case INDEX_op_qemu_ld64:
        fprintf(stderr, "unimplemented qld\n");
        break;
    case INDEX_op_qemu_st64:
        fprintf(stderr, "unimplemented qst\n");
        break;

#endif
    gen_arith32:
        if (const_args[2]) {
            tcg_out_arithi(s, args[0], args[1], args[2], c);
        } else {
            tcg_out_arith(s, args[0], args[1], args[2], c);
        }
        break;

    default:
        fprintf(stderr, "unknown opcode 0x%x\n", opc);
        tcg_abort();
    }
}

static const TCGTargetOpDef sparc_op_defs[] = {
    { INDEX_op_exit_tb, { } },
    { INDEX_op_goto_tb, { } },
    { INDEX_op_call, { "ri" } },
    { INDEX_op_jmp, { "ri" } },
    { INDEX_op_br, { } },

    { INDEX_op_mov_i32, { "r", "r" } },
    { INDEX_op_movi_i32, { "r" } },
    { INDEX_op_ld8u_i32, { "r", "r" } },
    { INDEX_op_ld8s_i32, { "r", "r" } },
    { INDEX_op_ld16u_i32, { "r", "r" } },
    { INDEX_op_ld16s_i32, { "r", "r" } },
    { INDEX_op_ld_i32, { "r", "r" } },
    { INDEX_op_st8_i32, { "r", "r" } },
    { INDEX_op_st16_i32, { "r", "r" } },
    { INDEX_op_st_i32, { "r", "r" } },

    { INDEX_op_add_i32, { "r", "r", "rJ" } },
    { INDEX_op_mul_i32, { "r", "r", "rJ" } },
    { INDEX_op_div2_i32, { "r", "r", "0", "1", "r" } },
    { INDEX_op_divu2_i32, { "r", "r", "0", "1", "r" } },
    { INDEX_op_sub_i32, { "r", "r", "rJ" } },
    { INDEX_op_and_i32, { "r", "r", "rJ" } },
    { INDEX_op_or_i32, { "r", "r", "rJ" } },
    { INDEX_op_xor_i32, { "r", "r", "rJ" } },

    { INDEX_op_shl_i32, { "r", "r", "rJ" } },
    { INDEX_op_shr_i32, { "r", "r", "rJ" } },
    { INDEX_op_sar_i32, { "r", "r", "rJ" } },

    { INDEX_op_brcond_i32, { "r", "ri" } },

    { INDEX_op_qemu_ld8u, { "r", "L" } },
    { INDEX_op_qemu_ld8s, { "r", "L" } },
    { INDEX_op_qemu_ld16u, { "r", "L" } },
    { INDEX_op_qemu_ld16s, { "r", "L" } },
    { INDEX_op_qemu_ld32u, { "r", "L" } },
    { INDEX_op_qemu_ld32s, { "r", "L" } },

    { INDEX_op_qemu_st8, { "L", "L" } },
    { INDEX_op_qemu_st16, { "L", "L" } },
    { INDEX_op_qemu_st32, { "L", "L" } },

#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    { INDEX_op_mov_i64, { "r", "r" } },
    { INDEX_op_movi_i64, { "r" } },
    { INDEX_op_ld8u_i64, { "r", "r" } },
    { INDEX_op_ld8s_i64, { "r", "r" } },
    { INDEX_op_ld16u_i64, { "r", "r" } },
    { INDEX_op_ld16s_i64, { "r", "r" } },
    { INDEX_op_ld32u_i64, { "r", "r" } },
    { INDEX_op_ld32s_i64, { "r", "r" } },
    { INDEX_op_ld_i64, { "r", "r" } },
    { INDEX_op_st8_i64, { "r", "r" } },
    { INDEX_op_st16_i64, { "r", "r" } },
    { INDEX_op_st32_i64, { "r", "r" } },
    { INDEX_op_st_i64, { "r", "r" } },

    { INDEX_op_add_i64, { "r", "r", "rJ" } },
    { INDEX_op_mul_i64, { "r", "r", "rJ" } },
    { INDEX_op_div2_i64, { "r", "r", "0", "1", "r" } },
    { INDEX_op_divu2_i64, { "r", "r", "0", "1", "r" } },
    { INDEX_op_sub_i64, { "r", "r", "rJ" } },
    { INDEX_op_and_i64, { "r", "r", "rJ" } },
    { INDEX_op_or_i64, { "r", "r", "rJ" } },
    { INDEX_op_xor_i64, { "r", "r", "rJ" } },

    { INDEX_op_shl_i64, { "r", "r", "rJ" } },
    { INDEX_op_shr_i64, { "r", "r", "rJ" } },
    { INDEX_op_sar_i64, { "r", "r", "rJ" } },

    { INDEX_op_brcond_i64, { "r", "ri" } },
#endif
    { -1 },
};

void tcg_target_init(TCGContext *s)
{
    tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
    tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
#endif
    tcg_regset_set32(tcg_target_call_clobber_regs, 0,
                     (1 << TCG_REG_G1) |
                     (1 << TCG_REG_G2) |
                     (1 << TCG_REG_G3) |
                     (1 << TCG_REG_G4) |
                     (1 << TCG_REG_G5) |
                     (1 << TCG_REG_G6) |
                     (1 << TCG_REG_G7) |
                     (1 << TCG_REG_O0) |
                     (1 << TCG_REG_O1) |
                     (1 << TCG_REG_O2) |
                     (1 << TCG_REG_O3) |
                     (1 << TCG_REG_O4) |
                     (1 << TCG_REG_O5) |
                     (1 << TCG_REG_O7));

    tcg_regset_clear(s->reserved_regs);
    tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0);
    tcg_regset_set_reg(s->reserved_regs, TCG_REG_I5); // for internal use
    tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6);
    tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7);
    tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6);
    tcg_regset_set_reg(s->reserved_regs, TCG_REG_O7);
    tcg_add_target_add_op_defs(sparc_op_defs);
}
Commit	Line	Data
8289b279 BS	1	/*
	2	* Tiny Code Generator for QEMU
	3	*
	4	* Copyright (c) 2008 Fabrice Bellard
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
	25	static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
	26	"%g0",
	27	"%g1",
	28	"%g2",
	29	"%g3",
	30	"%g4",
	31	"%g5",
	32	"%g6",
	33	"%g7",
	34	"%o0",
	35	"%o1",
	36	"%o2",
	37	"%o3",
	38	"%o4",
	39	"%o5",
	40	"%o6",
	41	"%o7",
	42	"%l0",
	43	"%l1",
	44	"%l2",
	45	"%l3",
	46	"%l4",
	47	"%l5",
	48	"%l6",
	49	"%l7",
	50	"%i0",
	51	"%i1",
	52	"%i2",
	53	"%i3",
	54	"%i4",
	55	"%i5",
	56	"%i6",
	57	"%i7",
	58	};
	59
0954d0d9	60	static const int tcg_target_reg_alloc_order[] = {
8289b279 BS	61	TCG_REG_L0,
	62	TCG_REG_L1,
	63	TCG_REG_L2,
	64	TCG_REG_L3,
	65	TCG_REG_L4,
	66	TCG_REG_L5,
	67	TCG_REG_L6,
	68	TCG_REG_L7,
	69	TCG_REG_I0,
	70	TCG_REG_I1,
	71	TCG_REG_I2,
	72	TCG_REG_I3,
	73	TCG_REG_I4,
8289b279 BS	74	};
	75
	76	static const int tcg_target_call_iarg_regs[6] = {
	77	TCG_REG_O0,
	78	TCG_REG_O1,
	79	TCG_REG_O2,
	80	TCG_REG_O3,
	81	TCG_REG_O4,
	82	TCG_REG_O5,
	83	};
	84
	85	static const int tcg_target_call_oarg_regs[2] = {
	86	TCG_REG_O0,
	87	TCG_REG_O1,
	88	};
	89
	90	static void patch_reloc(uint8_t *code_ptr, int type,
f54b3f92	91	tcg_target_long value, tcg_target_long addend)
8289b279	92	{
f54b3f92	93	value += addend;
8289b279 BS	94	switch (type) {
	95	case R_SPARC_32:
	96	if (value != (uint32_t)value)
	97	tcg_abort();
	98	(uint32_t )code_ptr = value;
	99	break;
	100	default:
	101	tcg_abort();
	102	}
	103	}
	104
	105	/* maximum number of register used for input function arguments */
	106	static inline int tcg_target_get_call_iarg_regs_count(int flags)
	107	{
	108	return 6;
	109	}
	110
	111	/* parse target specific constraints */
	112	static int target_parse_constraint(TCGArgConstraint ct, const char *pct_str)
	113	{
	114	const char *ct_str;
	115
	116	ct_str = *pct_str;
	117	switch (ct_str[0]) {
	118	case 'r':
	119	case 'L': /* qemu_ld/st constraint */
	120	ct->ct \|= TCG_CT_REG;
	121	tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
	122	break;
	123	case 'I':
	124	ct->ct \|= TCG_CT_CONST_S11;
	125	break;
	126	case 'J':
	127	ct->ct \|= TCG_CT_CONST_S13;
	128	break;
	129	default:
	130	return -1;
	131	}
	132	ct_str++;
	133	*pct_str = ct_str;
	134	return 0;
	135	}
	136
	137	#define ABS(x) ((x) < 0? -(x) : (x))
	138	/* test if a constant matches the constraint */
	139	static inline int tcg_target_const_match(tcg_target_long val,
	140	const TCGArgConstraint *arg_ct)
	141	{
	142	int ct;
	143
	144	ct = arg_ct->ct;
	145	if (ct & TCG_CT_CONST)
	146	return 1;
	147	else if ((ct & TCG_CT_CONST_S11) && ABS(val) == (ABS(val) & 0x3ff))
	148	return 1;
	149	else if ((ct & TCG_CT_CONST_S13) && ABS(val) == (ABS(val) & 0xfff))
	150	return 1;
	151	else
	152	return 0;
	153	}
	154
	155	#define INSN_OP(x) ((x) << 30)
	156	#define INSN_OP2(x) ((x) << 22)
	157	#define INSN_OP3(x) ((x) << 19)
158	#define INSN_OPF(x) ((x) << 5)
159	#define INSN_RD(x) ((x) << 25)
160	#define INSN_RS1(x) ((x) << 14)
161	#define INSN_RS2(x) (x)
162
163	#define INSN_IMM13(x) ((1 << 13) \| ((x) & 0x1fff))
b3db8758	164	#define INSN_OFF22(x) (((x) >> 2) & 0x3fffff)
8289b279	165
b3db8758 BS	166	#define INSN_COND(x, a) (((x) << 25) \| ((a) << 29))
	167	#define COND_A 0x8
	168	#define BA (INSN_OP(0) \| INSN_COND(COND_A, 0) \| INSN_OP2(0x2))
8289b279 BS	169
	170	#define ARITH_ADD (INSN_OP(2) \| INSN_OP3(0x00))
	171	#define ARITH_AND (INSN_OP(2) \| INSN_OP3(0x01))
	172	#define ARITH_OR (INSN_OP(2) \| INSN_OP3(0x02))
	173	#define ARITH_XOR (INSN_OP(2) \| INSN_OP3(0x03))
	174	#define ARITH_SUB (INSN_OP(2) \| INSN_OP3(0x08))
	175	#define ARITH_ADDX (INSN_OP(2) \| INSN_OP3(0x10))
	176	#define ARITH_SUBX (INSN_OP(2) \| INSN_OP3(0x0c))
	177	#define ARITH_UMUL (INSN_OP(2) \| INSN_OP3(0x0a))
	178	#define ARITH_UDIV (INSN_OP(2) \| INSN_OP3(0x0e))
	179	#define ARITH_SDIV (INSN_OP(2) \| INSN_OP3(0x0f))
	180	#define ARITH_MULX (INSN_OP(2) \| INSN_OP3(0x09))
	181	#define ARITH_UDIVX (INSN_OP(2) \| INSN_OP3(0x0d))
	182	#define ARITH_SDIVX (INSN_OP(2) \| INSN_OP3(0x2d))
	183
	184	#define SHIFT_SLL (INSN_OP(2) \| INSN_OP3(0x25))
	185	#define SHIFT_SRL (INSN_OP(2) \| INSN_OP3(0x26))
	186	#define SHIFT_SRA (INSN_OP(2) \| INSN_OP3(0x27))
	187
	188	#define SHIFT_SLLX (INSN_OP(2) \| INSN_OP3(0x25) \| (1 << 12))
	189	#define SHIFT_SRLX (INSN_OP(2) \| INSN_OP3(0x26) \| (1 << 12))
	190	#define SHIFT_SRAX (INSN_OP(2) \| INSN_OP3(0x27) \| (1 << 12))
	191
	192	#define WRY (INSN_OP(2) \| INSN_OP3(0x30))
	193	#define JMPL (INSN_OP(2) \| INSN_OP3(0x38))
	194	#define SAVE (INSN_OP(2) \| INSN_OP3(0x3c))
	195	#define RESTORE (INSN_OP(2) \| INSN_OP3(0x3d))
	196	#define SETHI (INSN_OP(0) \| INSN_OP2(0x4))
	197	#define CALL INSN_OP(1)
	198	#define LDUB (INSN_OP(3) \| INSN_OP3(0x01))
	199	#define LDSB (INSN_OP(3) \| INSN_OP3(0x09))
	200	#define LDUH (INSN_OP(3) \| INSN_OP3(0x02))
	201	#define LDSH (INSN_OP(3) \| INSN_OP3(0x0a))
	202	#define LDUW (INSN_OP(3) \| INSN_OP3(0x00))
	203	#define LDSW (INSN_OP(3) \| INSN_OP3(0x08))
	204	#define LDX (INSN_OP(3) \| INSN_OP3(0x0b))
	205	#define STB (INSN_OP(3) \| INSN_OP3(0x05))
	206	#define STH (INSN_OP(3) \| INSN_OP3(0x06))
	207	#define STW (INSN_OP(3) \| INSN_OP3(0x04))
	208	#define STX (INSN_OP(3) \| INSN_OP3(0x0e))
	209
	210	static inline void tcg_out_mov(TCGContext *s, int ret, int arg)
	211	{
	212	tcg_out32(s, ARITH_OR \| INSN_RD(ret) \| INSN_RS1(arg) \|
	213	INSN_RS2(TCG_REG_G0));
	214	}
	215
	216	static inline void tcg_out_movi(TCGContext *s, TCGType type,
	217	int ret, tcg_target_long arg)
	218	{
b3db8758 BS	219	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
	220	if (arg != (arg & 0xffffffff))
	221	fprintf(stderr, "unimplemented %s with constant %ld\n", __func__, arg);
	222	#endif
8289b279	223	if (arg == (arg & 0xfff))
2f0a5008	224	tcg_out32(s, ARITH_OR \| INSN_RD(ret) \| INSN_RS1(TCG_REG_G0) \|
8289b279 BS	225	INSN_IMM13(arg));
	226	else {
	227	tcg_out32(s, SETHI \| INSN_RD(ret) \| ((arg & 0xfffffc00) >> 10));
	228	if (arg & 0x3ff)
	229	tcg_out32(s, ARITH_OR \| INSN_RD(ret) \| INSN_RS1(ret) \|
	230	INSN_IMM13(arg & 0x3ff));
	231	}
	232	}
	233
	234	static inline void tcg_out_ld_raw(TCGContext *s, int ret,
	235	tcg_target_long arg)
	236	{
	237	tcg_out32(s, SETHI \| INSN_RD(ret) \| (((uint32_t)arg & 0xfffffc00) >> 10));
	238	tcg_out32(s, LDUW \| INSN_RD(ret) \| INSN_RS1(ret) \|
	239	INSN_IMM13(arg & 0x3ff));
	240	}
	241
b3db8758 BS	242	static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
	243	tcg_target_long arg)
	244	{
	245	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
	246	if (arg != (arg & 0xffffffff))
	247	fprintf(stderr, "unimplemented %s with offset %ld\n", __func__, arg);
	248	if (arg != (arg & 0xfff))
	249	tcg_out32(s, SETHI \| INSN_RD(ret) \| (((uint32_t)arg & 0xfffffc00) >> 10));
	250	tcg_out32(s, LDX \| INSN_RD(ret) \| INSN_RS1(ret) \|
	251	INSN_IMM13(arg & 0x3ff));
	252	#else
	253	tcg_out_ld_raw(s, ret, arg);
	254	#endif
	255	}
	256
8289b279 BS	257	static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op)
	258	{
	259	if (offset == (offset & 0xfff))
	260	tcg_out32(s, op \| INSN_RD(ret) \| INSN_RS1(addr) \|
	261	INSN_IMM13(offset));
	262	else
	263	fprintf(stderr, "unimplemented %s with offset %d\n", __func__, offset);
	264	}
	265
e4d5434c	266	static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret,
8289b279 BS	267	int arg1, tcg_target_long arg2)
	268	{
	269	fprintf(stderr, "unimplemented %s\n", __func__);
	270	}
	271
e4d5434c	272	static inline void tcg_out_st(TCGContext *s, TCGType type, int arg,
8289b279 BS	273	int arg1, tcg_target_long arg2)
	274	{
	275	fprintf(stderr, "unimplemented %s\n", __func__);
	276	}
	277
	278	static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
	279	int op)
	280	{
	281	tcg_out32(s, op \| INSN_RD(rd) \| INSN_RS1(rs1) \|
	282	INSN_RS2(rs2));
	283	}
	284
	285	static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
	286	int op)
	287	{
	288	tcg_out32(s, op \| INSN_RD(rd) \| INSN_RS1(rs1) \|
	289	INSN_IMM13(offset));
	290	}
	291
	292	static inline void tcg_out_sety(TCGContext *s, tcg_target_long val)
	293	{
	294	if (val == 0 \|\| val == -1)
	295	tcg_out32(s, WRY \| INSN_IMM13(val));
	296	else
	297	fprintf(stderr, "unimplemented sety %ld\n", (long)val);
	298	}
	299
	300	static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
	301	{
	302	if (val != 0) {
	303	if (val == (val & 0xfff))
	304	tcg_out_arithi(s, reg, reg, val, ARITH_ADD);
	305	else
	306	fprintf(stderr, "unimplemented addi %ld\n", (long)val);
	307	}
	308	}
	309
	310	static inline void tcg_out_nop(TCGContext *s)
	311	{
	312	tcg_out32(s, SETHI \| INSN_RD(TCG_REG_G0) \| 0);
	313	}
	314
b3db8758 BS	315	static inline void tcg_target_prologue(TCGContext *s)
	316	{
	317	tcg_out32(s, SAVE \| INSN_RD(TCG_REG_O6) \| INSN_RS1(TCG_REG_O6) \|
	318	INSN_IMM13(-TCG_TARGET_STACK_MINFRAME));
	319	}
	320
8289b279 BS	321	static inline void tcg_out_op(TCGContext s, int opc, const TCGArg args,
	322	const int *const_args)
	323	{
	324	int c;
	325
	326	switch (opc) {
	327	case INDEX_op_exit_tb:
b3db8758 BS	328	tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, args[0]);
b3db8758 BS	329	tcg_out32(s, JMPL \| INSN_RD(TCG_REG_G0) \| INSN_RS1(TCG_REG_I7) \|
8289b279	330	INSN_IMM13(8));
b3db8758 BS	331	tcg_out32(s, RESTORE \| INSN_RD(TCG_REG_G0) \| INSN_RS1(TCG_REG_G0) \|
b3db8758 BS	332	INSN_RS2(TCG_REG_G0));
8289b279 BS	333	break;
	334	case INDEX_op_goto_tb:
	335	if (s->tb_jmp_offset) {
	336	/* direct jump method */
b3db8758 BS	337	if (ABS(args[0] - (unsigned long)s->code_ptr) ==
	338	(ABS(args[0] - (unsigned long)s->code_ptr) & 0x1fffff)) {
	339	tcg_out32(s, BA \|
	340	INSN_OFF22(args[0] - (unsigned long)s->code_ptr));
	341	} else {
	342	tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, args[0]);
	343	tcg_out32(s, JMPL \| INSN_RD(TCG_REG_G0) \| INSN_RS1(TCG_REG_I5) \|
	344	INSN_RS2(TCG_REG_G0));
	345	}
8289b279	346	s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
8289b279 BS	347	} else {
8289b279 BS	348	/* indirect jump method */
b3db8758 BS	349	tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0]));
	350	tcg_out32(s, JMPL \| INSN_RD(TCG_REG_G0) \| INSN_RS1(TCG_REG_I5) \|
	351	INSN_RS2(TCG_REG_G0));
8289b279	352	}
53cd9273	353	tcg_out_nop(s);
8289b279 BS	354	s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
	355	break;
	356	case INDEX_op_call:
	357	if (const_args[0]) {
	358	tcg_out32(s, CALL \| ((((tcg_target_ulong)args[0]
	359	- (tcg_target_ulong)s->code_ptr) >> 2)
	360	& 0x3fffffff));
	361	tcg_out_nop(s);
	362	} else {
b3db8758	363	tcg_out_ld_ptr(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
8289b279	364	tcg_out32(s, JMPL \| INSN_RD(TCG_REG_O7) \| INSN_RS1(TCG_REG_O7) \|
2f0a5008	365	INSN_RS2(TCG_REG_G0));
8289b279 BS	366	tcg_out_nop(s);
	367	}
	368	break;
	369	case INDEX_op_jmp:
	370	fprintf(stderr, "unimplemented jmp\n");
	371	break;
	372	case INDEX_op_br:
	373	fprintf(stderr, "unimplemented br\n");
	374	break;
	375	case INDEX_op_movi_i32:
	376	tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]);
	377	break;
	378
	379	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
	380	#define OP_32_64(x) \
	381	glue(glue(case INDEX_op_, x), _i32:) \
	382	glue(glue(case INDEX_op_, x), _i64:)
	383	#else
	384	#define OP_32_64(x) \
	385	glue(glue(case INDEX_op_, x), _i32:)
	386	#endif
	387	OP_32_64(ld8u);
	388	tcg_out_ldst(s, args[0], args[1], args[2], LDUB);
	389	break;
	390	OP_32_64(ld8s);
	391	tcg_out_ldst(s, args[0], args[1], args[2], LDSB);
	392	break;
	393	OP_32_64(ld16u);
	394	tcg_out_ldst(s, args[0], args[1], args[2], LDUH);
	395	break;
	396	OP_32_64(ld16s);
	397	tcg_out_ldst(s, args[0], args[1], args[2], LDSH);
	398	break;
	399	case INDEX_op_ld_i32:
	400	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
53cd9273	401	case INDEX_op_ld32u_i64:
8289b279 BS	402	#endif
	403	tcg_out_ldst(s, args[0], args[1], args[2], LDUW);
	404	break;
	405	OP_32_64(st8);
	406	tcg_out_ldst(s, args[0], args[1], args[2], STB);
	407	break;
	408	OP_32_64(st16);
	409	tcg_out_ldst(s, args[0], args[1], args[2], STH);
	410	break;
	411	case INDEX_op_st_i32:
	412	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
53cd9273	413	case INDEX_op_st32_i64:
8289b279 BS	414	#endif
	415	tcg_out_ldst(s, args[0], args[1], args[2], STW);
	416	break;
53cd9273 BS	417	OP_32_64(add);
	418	c = ARITH_ADD;
	419	goto gen_arith32;
8289b279 BS	420	OP_32_64(sub);
	421	c = ARITH_SUB;
	422	goto gen_arith32;
	423	OP_32_64(and);
	424	c = ARITH_AND;
	425	goto gen_arith32;
	426	OP_32_64(or);
	427	c = ARITH_OR;
	428	goto gen_arith32;
	429	OP_32_64(xor);
	430	c = ARITH_XOR;
	431	goto gen_arith32;
	432	case INDEX_op_shl_i32:
	433	c = SHIFT_SLL;
	434	goto gen_arith32;
	435	case INDEX_op_shr_i32:
	436	c = SHIFT_SRL;
	437	goto gen_arith32;
	438	case INDEX_op_sar_i32:
	439	c = SHIFT_SRA;
	440	goto gen_arith32;
	441	case INDEX_op_mul_i32:
	442	c = ARITH_UMUL;
	443	goto gen_arith32;
8289b279 BS	444	case INDEX_op_div2_i32:
	445	#if defined(__sparc_v9__) \|\| defined(__sparc_v8plus__)
	446	c = ARITH_SDIVX;
	447	goto gen_arith32;
	448	#else
	449	tcg_out_sety(s, 0);
	450	c = ARITH_SDIV;
	451	goto gen_arith32;
	452	#endif
	453	case INDEX_op_divu2_i32:
	454	#if defined(__sparc_v9__) \|\| defined(__sparc_v8plus__)
	455	c = ARITH_UDIVX;
	456	goto gen_arith32;
	457	#else
	458	tcg_out_sety(s, 0);
	459	c = ARITH_UDIV;
	460	goto gen_arith32;
	461	#endif
	462
	463	case INDEX_op_brcond_i32:
	464	fprintf(stderr, "unimplemented brcond\n");
	465	break;
	466
	467	case INDEX_op_qemu_ld8u:
	468	fprintf(stderr, "unimplemented qld\n");
	469	break;
	470	case INDEX_op_qemu_ld8s:
	471	fprintf(stderr, "unimplemented qld\n");
	472	break;
	473	case INDEX_op_qemu_ld16u:
	474	fprintf(stderr, "unimplemented qld\n");
	475	break;
	476	case INDEX_op_qemu_ld16s:
	477	fprintf(stderr, "unimplemented qld\n");
	478	break;
	479	case INDEX_op_qemu_ld32u:
	480	fprintf(stderr, "unimplemented qld\n");
	481	break;
	482	case INDEX_op_qemu_ld32s:
	483	fprintf(stderr, "unimplemented qld\n");
	484	break;
	485	case INDEX_op_qemu_st8:
	486	fprintf(stderr, "unimplemented qst\n");
	487	break;
	488	case INDEX_op_qemu_st16:
	489	fprintf(stderr, "unimplemented qst\n");
	490	break;
	491	case INDEX_op_qemu_st32:
	492	fprintf(stderr, "unimplemented qst\n");
	493	break;
	494
	495	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
	496	case INDEX_op_movi_i64:
	497	tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]);
	498	break;
53cd9273 BS	499	case INDEX_op_ld32s_i64:
	500	tcg_out_ldst(s, args[0], args[1], args[2], LDSW);
	501	break;
8289b279 BS	502	case INDEX_op_ld_i64:
	503	tcg_out_ldst(s, args[0], args[1], args[2], LDX);
	504	break;
	505	case INDEX_op_st_i64:
	506	tcg_out_ldst(s, args[0], args[1], args[2], STX);
	507	break;
	508	case INDEX_op_shl_i64:
	509	c = SHIFT_SLLX;
	510	goto gen_arith32;
	511	case INDEX_op_shr_i64:
	512	c = SHIFT_SRLX;
	513	goto gen_arith32;
	514	case INDEX_op_sar_i64:
	515	c = SHIFT_SRAX;
	516	goto gen_arith32;
	517	case INDEX_op_mul_i64:
	518	c = ARITH_MULX;
	519	goto gen_arith32;
	520	case INDEX_op_div2_i64:
53cd9273	521	c = ARITH_SDIVX;
8289b279 BS	522	goto gen_arith32;
	523	case INDEX_op_divu2_i64:
	524	c = ARITH_UDIVX;
	525	goto gen_arith32;
	526
	527	case INDEX_op_brcond_i64:
	528	fprintf(stderr, "unimplemented brcond\n");
	529	break;
	530	case INDEX_op_qemu_ld64:
	531	fprintf(stderr, "unimplemented qld\n");
	532	break;
	533	case INDEX_op_qemu_st64:
	534	fprintf(stderr, "unimplemented qst\n");
	535	break;
	536
	537	#endif
53cd9273 BS	538	gen_arith32:
	539	if (const_args[2]) {
	540	tcg_out_arithi(s, args[0], args[1], args[2], c);
	541	} else {
	542	tcg_out_arith(s, args[0], args[1], args[2], c);
	543	}
	544	break;
	545
8289b279 BS	546	default:
	547	fprintf(stderr, "unknown opcode 0x%x\n", opc);
	548	tcg_abort();
	549	}
	550	}
	551
	552	static const TCGTargetOpDef sparc_op_defs[] = {
	553	{ INDEX_op_exit_tb, { } },
b3db8758	554	{ INDEX_op_goto_tb, { } },
8289b279 BS	555	{ INDEX_op_call, { "ri" } },
	556	{ INDEX_op_jmp, { "ri" } },
	557	{ INDEX_op_br, { } },
	558
	559	{ INDEX_op_mov_i32, { "r", "r" } },
	560	{ INDEX_op_movi_i32, { "r" } },
	561	{ INDEX_op_ld8u_i32, { "r", "r" } },
	562	{ INDEX_op_ld8s_i32, { "r", "r" } },
	563	{ INDEX_op_ld16u_i32, { "r", "r" } },
	564	{ INDEX_op_ld16s_i32, { "r", "r" } },
	565	{ INDEX_op_ld_i32, { "r", "r" } },
	566	{ INDEX_op_st8_i32, { "r", "r" } },
	567	{ INDEX_op_st16_i32, { "r", "r" } },
	568	{ INDEX_op_st_i32, { "r", "r" } },
	569
53cd9273 BS	570	{ INDEX_op_add_i32, { "r", "r", "rJ" } },
53cd9273 BS	571	{ INDEX_op_mul_i32, { "r", "r", "rJ" } },
8289b279 BS	572	{ INDEX_op_div2_i32, { "r", "r", "0", "1", "r" } },
8289b279 BS	573	{ INDEX_op_divu2_i32, { "r", "r", "0", "1", "r" } },
53cd9273 BS	574	{ INDEX_op_sub_i32, { "r", "r", "rJ" } },
	575	{ INDEX_op_and_i32, { "r", "r", "rJ" } },
	576	{ INDEX_op_or_i32, { "r", "r", "rJ" } },
	577	{ INDEX_op_xor_i32, { "r", "r", "rJ" } },
8289b279	578
53cd9273 BS	579	{ INDEX_op_shl_i32, { "r", "r", "rJ" } },
	580	{ INDEX_op_shr_i32, { "r", "r", "rJ" } },
	581	{ INDEX_op_sar_i32, { "r", "r", "rJ" } },
8289b279 BS	582
	583	{ INDEX_op_brcond_i32, { "r", "ri" } },
	584
	585	{ INDEX_op_qemu_ld8u, { "r", "L" } },
	586	{ INDEX_op_qemu_ld8s, { "r", "L" } },
	587	{ INDEX_op_qemu_ld16u, { "r", "L" } },
	588	{ INDEX_op_qemu_ld16s, { "r", "L" } },
	589	{ INDEX_op_qemu_ld32u, { "r", "L" } },
	590	{ INDEX_op_qemu_ld32s, { "r", "L" } },
	591
	592	{ INDEX_op_qemu_st8, { "L", "L" } },
	593	{ INDEX_op_qemu_st16, { "L", "L" } },
	594	{ INDEX_op_qemu_st32, { "L", "L" } },
	595
	596	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
	597	{ INDEX_op_mov_i64, { "r", "r" } },
	598	{ INDEX_op_movi_i64, { "r" } },
	599	{ INDEX_op_ld8u_i64, { "r", "r" } },
	600	{ INDEX_op_ld8s_i64, { "r", "r" } },
	601	{ INDEX_op_ld16u_i64, { "r", "r" } },
	602	{ INDEX_op_ld16s_i64, { "r", "r" } },
	603	{ INDEX_op_ld32u_i64, { "r", "r" } },
	604	{ INDEX_op_ld32s_i64, { "r", "r" } },
	605	{ INDEX_op_ld_i64, { "r", "r" } },
	606	{ INDEX_op_st8_i64, { "r", "r" } },
	607	{ INDEX_op_st16_i64, { "r", "r" } },
	608	{ INDEX_op_st32_i64, { "r", "r" } },
	609	{ INDEX_op_st_i64, { "r", "r" } },
	610
53cd9273 BS	611	{ INDEX_op_add_i64, { "r", "r", "rJ" } },
53cd9273 BS	612	{ INDEX_op_mul_i64, { "r", "r", "rJ" } },
8289b279 BS	613	{ INDEX_op_div2_i64, { "r", "r", "0", "1", "r" } },
8289b279 BS	614	{ INDEX_op_divu2_i64, { "r", "r", "0", "1", "r" } },
53cd9273 BS	615	{ INDEX_op_sub_i64, { "r", "r", "rJ" } },
	616	{ INDEX_op_and_i64, { "r", "r", "rJ" } },
	617	{ INDEX_op_or_i64, { "r", "r", "rJ" } },
	618	{ INDEX_op_xor_i64, { "r", "r", "rJ" } },
8289b279	619
53cd9273 BS	620	{ INDEX_op_shl_i64, { "r", "r", "rJ" } },
	621	{ INDEX_op_shr_i64, { "r", "r", "rJ" } },
	622	{ INDEX_op_sar_i64, { "r", "r", "rJ" } },
8289b279 BS	623
	624	{ INDEX_op_brcond_i64, { "r", "ri" } },
	625	#endif
	626	{ -1 },
	627	};
	628
	629	void tcg_target_init(TCGContext *s)
	630	{
	631	tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
	632	#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
	633	tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
	634	#endif
	635	tcg_regset_set32(tcg_target_call_clobber_regs, 0,
b3db8758 BS	636	(1 << TCG_REG_G1) \|
	637	(1 << TCG_REG_G2) \|
	638	(1 << TCG_REG_G3) \|
	639	(1 << TCG_REG_G4) \|
	640	(1 << TCG_REG_G5) \|
	641	(1 << TCG_REG_G6) \|
	642	(1 << TCG_REG_G7) \|
8289b279 BS	643	(1 << TCG_REG_O0) \|
	644	(1 << TCG_REG_O1) \|
	645	(1 << TCG_REG_O2) \|
	646	(1 << TCG_REG_O3) \|
	647	(1 << TCG_REG_O4) \|
	648	(1 << TCG_REG_O5) \|
8289b279 BS	649	(1 << TCG_REG_O7));
	650
	651	tcg_regset_clear(s->reserved_regs);
	652	tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0);
53cd9273	653	tcg_regset_set_reg(s->reserved_regs, TCG_REG_I5); // for internal use
8289b279 BS	654	tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6);
	655	tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7);
	656	tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6);
	657	tcg_regset_set_reg(s->reserved_regs, TCG_REG_O7);
	658	tcg_add_target_add_op_defs(sparc_op_defs);
	659	}