tcg/s390x/tcg-target.h

   1 /*
   2  * Tiny Code Generator for QEMU
   3  *
   4  * Copyright (c) 2009 Ulrich Hecht <uli@suse.de>
   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 #ifndef S390_TCG_TARGET_H
  26 #define S390_TCG_TARGET_H
  27
  28 #define TCG_TARGET_INSN_UNIT_SIZE 2
  29
  30 /* We have a +- 4GB range on the branches; leave some slop.  */
  31 #define MAX_CODE_GEN_BUFFER_SIZE  (3 * GiB)
  32
  33 typedef enum TCGReg {
  34     TCG_REG_R0,  TCG_REG_R1,  TCG_REG_R2,  TCG_REG_R3,
  35     TCG_REG_R4,  TCG_REG_R5,  TCG_REG_R6,  TCG_REG_R7,
  36     TCG_REG_R8,  TCG_REG_R9,  TCG_REG_R10, TCG_REG_R11,
  37     TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15,
  38
  39     TCG_REG_V0 = 32, TCG_REG_V1,  TCG_REG_V2,  TCG_REG_V3,
  40     TCG_REG_V4,  TCG_REG_V5,  TCG_REG_V6,  TCG_REG_V7,
  41     TCG_REG_V8,  TCG_REG_V9,  TCG_REG_V10, TCG_REG_V11,
  42     TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15,
  43     TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19,
  44     TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23,
  45     TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27,
  46     TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31,
  47
  48     TCG_AREG0 = TCG_REG_R10,
  49     TCG_REG_CALL_STACK = TCG_REG_R15
  50 } TCGReg;
  51
  52 #define TCG_TARGET_NB_REGS 64
  53
  54 /* Facilities required for proper operation; checked at startup. */
  55
  56 #define FACILITY_ZARCH_ACTIVE         2
  57 #define FACILITY_LONG_DISP            18
  58 #define FACILITY_EXT_IMM              21
  59 #define FACILITY_GEN_INST_EXT         34
  60 #define FACILITY_45                   45
  61
  62 /* Facilities that are checked at runtime. */
  63
  64 #define FACILITY_LOAD_ON_COND2        53
  65 #define FACILITY_MISC_INSN_EXT2       58
  66 #define FACILITY_MISC_INSN_EXT3       61
  67 #define FACILITY_VECTOR               129
  68 #define FACILITY_VECTOR_ENH1          135
  69
  70 extern uint64_t s390_facilities[3];
  71
  72 #define HAVE_FACILITY(X) \
  73     ((s390_facilities[FACILITY_##X / 64] >> (63 - FACILITY_##X % 64)) & 1)
  74
  75 /* optional instructions */
  76 #define TCG_TARGET_HAS_div2_i32       1
  77 #define TCG_TARGET_HAS_rot_i32        1
  78 #define TCG_TARGET_HAS_ext8s_i32      1
  79 #define TCG_TARGET_HAS_ext16s_i32     1
  80 #define TCG_TARGET_HAS_ext8u_i32      1
  81 #define TCG_TARGET_HAS_ext16u_i32     1
  82 #define TCG_TARGET_HAS_bswap16_i32    1
  83 #define TCG_TARGET_HAS_bswap32_i32    1
  84 #define TCG_TARGET_HAS_not_i32        HAVE_FACILITY(MISC_INSN_EXT3)
  85 #define TCG_TARGET_HAS_andc_i32       HAVE_FACILITY(MISC_INSN_EXT3)
  86 #define TCG_TARGET_HAS_orc_i32        HAVE_FACILITY(MISC_INSN_EXT3)
  87 #define TCG_TARGET_HAS_eqv_i32        HAVE_FACILITY(MISC_INSN_EXT3)
  88 #define TCG_TARGET_HAS_nand_i32       HAVE_FACILITY(MISC_INSN_EXT3)
  89 #define TCG_TARGET_HAS_nor_i32        HAVE_FACILITY(MISC_INSN_EXT3)
  90 #define TCG_TARGET_HAS_clz_i32        0
  91 #define TCG_TARGET_HAS_ctz_i32        0
  92 #define TCG_TARGET_HAS_ctpop_i32      1
  93 #define TCG_TARGET_HAS_deposit_i32    1
  94 #define TCG_TARGET_HAS_extract_i32    1
  95 #define TCG_TARGET_HAS_sextract_i32   0
  96 #define TCG_TARGET_HAS_extract2_i32   0
  97 #define TCG_TARGET_HAS_negsetcond_i32 1
  98 #define TCG_TARGET_HAS_add2_i32       1
  99 #define TCG_TARGET_HAS_sub2_i32       1
 100 #define TCG_TARGET_HAS_mulu2_i32      0
 101 #define TCG_TARGET_HAS_muls2_i32      0
 102 #define TCG_TARGET_HAS_muluh_i32      0
 103 #define TCG_TARGET_HAS_mulsh_i32      0
 104 #define TCG_TARGET_HAS_extr_i64_i32   0
 105 #define TCG_TARGET_HAS_qemu_st8_i32   0
 106
 107 #define TCG_TARGET_HAS_div2_i64       1
 108 #define TCG_TARGET_HAS_rot_i64        1
 109 #define TCG_TARGET_HAS_ext8s_i64      1
 110 #define TCG_TARGET_HAS_ext16s_i64     1
 111 #define TCG_TARGET_HAS_ext32s_i64     1
 112 #define TCG_TARGET_HAS_ext8u_i64      1
 113 #define TCG_TARGET_HAS_ext16u_i64     1
 114 #define TCG_TARGET_HAS_ext32u_i64     1
 115 #define TCG_TARGET_HAS_bswap16_i64    1
 116 #define TCG_TARGET_HAS_bswap32_i64    1
 117 #define TCG_TARGET_HAS_bswap64_i64    1
 118 #define TCG_TARGET_HAS_not_i64        HAVE_FACILITY(MISC_INSN_EXT3)
 119 #define TCG_TARGET_HAS_andc_i64       HAVE_FACILITY(MISC_INSN_EXT3)
 120 #define TCG_TARGET_HAS_orc_i64        HAVE_FACILITY(MISC_INSN_EXT3)
 121 #define TCG_TARGET_HAS_eqv_i64        HAVE_FACILITY(MISC_INSN_EXT3)
 122 #define TCG_TARGET_HAS_nand_i64       HAVE_FACILITY(MISC_INSN_EXT3)
 123 #define TCG_TARGET_HAS_nor_i64        HAVE_FACILITY(MISC_INSN_EXT3)
 124 #define TCG_TARGET_HAS_clz_i64        1
 125 #define TCG_TARGET_HAS_ctz_i64        0
 126 #define TCG_TARGET_HAS_ctpop_i64      1
 127 #define TCG_TARGET_HAS_deposit_i64    1
 128 #define TCG_TARGET_HAS_extract_i64    1
 129 #define TCG_TARGET_HAS_sextract_i64   0
 130 #define TCG_TARGET_HAS_extract2_i64   0
 131 #define TCG_TARGET_HAS_negsetcond_i64 1
 132 #define TCG_TARGET_HAS_add2_i64       1
 133 #define TCG_TARGET_HAS_sub2_i64       1
 134 #define TCG_TARGET_HAS_mulu2_i64      1
 135 #define TCG_TARGET_HAS_muls2_i64      HAVE_FACILITY(MISC_INSN_EXT2)
 136 #define TCG_TARGET_HAS_muluh_i64      0
 137 #define TCG_TARGET_HAS_mulsh_i64      0
 138
 139 #define TCG_TARGET_HAS_qemu_ldst_i128 1
 140
 141 #define TCG_TARGET_HAS_tst            1
 142
 143 #define TCG_TARGET_HAS_v64            HAVE_FACILITY(VECTOR)
 144 #define TCG_TARGET_HAS_v128           HAVE_FACILITY(VECTOR)
 145 #define TCG_TARGET_HAS_v256           0
 146
 147 #define TCG_TARGET_HAS_andc_vec       1
 148 #define TCG_TARGET_HAS_orc_vec        HAVE_FACILITY(VECTOR_ENH1)
 149 #define TCG_TARGET_HAS_nand_vec       HAVE_FACILITY(VECTOR_ENH1)
 150 #define TCG_TARGET_HAS_nor_vec        1
 151 #define TCG_TARGET_HAS_eqv_vec        HAVE_FACILITY(VECTOR_ENH1)
 152 #define TCG_TARGET_HAS_not_vec        1
 153 #define TCG_TARGET_HAS_neg_vec        1
 154 #define TCG_TARGET_HAS_abs_vec        1
 155 #define TCG_TARGET_HAS_roti_vec       1
 156 #define TCG_TARGET_HAS_rots_vec       1
 157 #define TCG_TARGET_HAS_rotv_vec       1
 158 #define TCG_TARGET_HAS_shi_vec        1
 159 #define TCG_TARGET_HAS_shs_vec        1
 160 #define TCG_TARGET_HAS_shv_vec        1
 161 #define TCG_TARGET_HAS_mul_vec        1
 162 #define TCG_TARGET_HAS_sat_vec        0
 163 #define TCG_TARGET_HAS_minmax_vec     1
 164 #define TCG_TARGET_HAS_bitsel_vec     1
 165 #define TCG_TARGET_HAS_cmpsel_vec     1
 166 #define TCG_TARGET_HAS_tst_vec        0
 167
 168 /* used for function call generation */
 169 #define TCG_TARGET_STACK_ALIGN          8
 170 #define TCG_TARGET_CALL_STACK_OFFSET    160
 171 #define TCG_TARGET_CALL_ARG_I32         TCG_CALL_ARG_EXTEND
 172 #define TCG_TARGET_CALL_ARG_I64         TCG_CALL_ARG_NORMAL
 173 #define TCG_TARGET_CALL_ARG_I128        TCG_CALL_ARG_BY_REF
 174 #define TCG_TARGET_CALL_RET_I128        TCG_CALL_RET_BY_REF
 175
 176 #define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD)
 177 #define TCG_TARGET_NEED_LDST_LABELS
 178 #define TCG_TARGET_NEED_POOL_LABELS
 179
 180 #endif