target-xtensa: Use clrsb helper

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

/*
 * 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.
 */

#ifndef SPARC_TCG_TARGET_H
#define SPARC_TCG_TARGET_H

#define TCG_TARGET_REG_BITS 64

#define TCG_TARGET_INSN_UNIT_SIZE 4
#define TCG_TARGET_TLB_DISPLACEMENT_BITS 32
#define TCG_TARGET_NB_REGS 32

typedef enum {
    TCG_REG_G0 = 0,
    TCG_REG_G1,
    TCG_REG_G2,
    TCG_REG_G3,
    TCG_REG_G4,
    TCG_REG_G5,
    TCG_REG_G6,
    TCG_REG_G7,
    TCG_REG_O0,
    TCG_REG_O1,
    TCG_REG_O2,
    TCG_REG_O3,
    TCG_REG_O4,
    TCG_REG_O5,
    TCG_REG_O6,
    TCG_REG_O7,
    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,
    TCG_REG_I5,
    TCG_REG_I6,
    TCG_REG_I7,
} TCGReg;

#define TCG_CT_CONST_S11  0x100
#define TCG_CT_CONST_S13  0x200
#define TCG_CT_CONST_ZERO 0x400

/* used for function call generation */
#define TCG_REG_CALL_STACK TCG_REG_O6

#ifdef __arch64__
#define TCG_TARGET_STACK_BIAS           2047
#define TCG_TARGET_STACK_ALIGN          16
#define TCG_TARGET_CALL_STACK_OFFSET    (128 + 6*8 + TCG_TARGET_STACK_BIAS)
#else
#define TCG_TARGET_STACK_BIAS           0
#define TCG_TARGET_STACK_ALIGN          8
#define TCG_TARGET_CALL_STACK_OFFSET    (64 + 4 + 6*4)
#endif

#ifdef __arch64__
#define TCG_TARGET_EXTEND_ARGS 1
#endif

#if defined(__VIS__) && __VIS__ >= 0x300
#define use_vis3_instructions  1
#else
extern bool use_vis3_instructions;
#endif

/* optional instructions */
#define TCG_TARGET_HAS_div_i32		1
#define TCG_TARGET_HAS_rem_i32		0
#define TCG_TARGET_HAS_rot_i32          0
#define TCG_TARGET_HAS_ext8s_i32        0
#define TCG_TARGET_HAS_ext16s_i32       0
#define TCG_TARGET_HAS_ext8u_i32        0
#define TCG_TARGET_HAS_ext16u_i32       0
#define TCG_TARGET_HAS_bswap16_i32      0
#define TCG_TARGET_HAS_bswap32_i32      0
#define TCG_TARGET_HAS_neg_i32          1
#define TCG_TARGET_HAS_not_i32          1
#define TCG_TARGET_HAS_andc_i32         1
#define TCG_TARGET_HAS_orc_i32          1
#define TCG_TARGET_HAS_eqv_i32          0
#define TCG_TARGET_HAS_nand_i32         0
#define TCG_TARGET_HAS_nor_i32          0
#define TCG_TARGET_HAS_clz_i32          0
#define TCG_TARGET_HAS_ctz_i32          0
#define TCG_TARGET_HAS_deposit_i32      0
#define TCG_TARGET_HAS_extract_i32      0
#define TCG_TARGET_HAS_sextract_i32     0
#define TCG_TARGET_HAS_movcond_i32      1
#define TCG_TARGET_HAS_add2_i32         1
#define TCG_TARGET_HAS_sub2_i32         1
#define TCG_TARGET_HAS_mulu2_i32        1
#define TCG_TARGET_HAS_muls2_i32        1
#define TCG_TARGET_HAS_muluh_i32        0
#define TCG_TARGET_HAS_mulsh_i32        0

#define TCG_TARGET_HAS_extrl_i64_i32    1
#define TCG_TARGET_HAS_extrh_i64_i32    1
#define TCG_TARGET_HAS_div_i64          1
#define TCG_TARGET_HAS_rem_i64          0
#define TCG_TARGET_HAS_rot_i64          0
#define TCG_TARGET_HAS_ext8s_i64        0
#define TCG_TARGET_HAS_ext16s_i64       0
#define TCG_TARGET_HAS_ext32s_i64       1
#define TCG_TARGET_HAS_ext8u_i64        0
#define TCG_TARGET_HAS_ext16u_i64       0
#define TCG_TARGET_HAS_ext32u_i64       1
#define TCG_TARGET_HAS_bswap16_i64      0
#define TCG_TARGET_HAS_bswap32_i64      0
#define TCG_TARGET_HAS_bswap64_i64      0
#define TCG_TARGET_HAS_neg_i64          1
#define TCG_TARGET_HAS_not_i64          1
#define TCG_TARGET_HAS_andc_i64         1
#define TCG_TARGET_HAS_orc_i64          1
#define TCG_TARGET_HAS_eqv_i64          0
#define TCG_TARGET_HAS_nand_i64         0
#define TCG_TARGET_HAS_nor_i64          0
#define TCG_TARGET_HAS_clz_i64          0
#define TCG_TARGET_HAS_ctz_i64          0
#define TCG_TARGET_HAS_deposit_i64      0
#define TCG_TARGET_HAS_extract_i64      0
#define TCG_TARGET_HAS_sextract_i64     0
#define TCG_TARGET_HAS_movcond_i64      1
#define TCG_TARGET_HAS_add2_i64         1
#define TCG_TARGET_HAS_sub2_i64         1
#define TCG_TARGET_HAS_mulu2_i64        0
#define TCG_TARGET_HAS_muls2_i64        0
#define TCG_TARGET_HAS_muluh_i64        use_vis3_instructions
#define TCG_TARGET_HAS_mulsh_i64        0

#define TCG_AREG0 TCG_REG_I0

static inline void flush_icache_range(uintptr_t start, uintptr_t stop)
{
    uintptr_t p;
    for (p = start & -8; p < ((stop + 7) & -8); p += 8) {
        __asm__ __volatile__("flush\t%0" : : "r" (p));
    }
}

#endif