tcg/ppc/tcg-target.h

   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 #ifndef PPC_TCG_TARGET_H
  26 #define PPC_TCG_TARGET_H
  27
  28 #ifdef _ARCH_PPC64
  29 # define TCG_TARGET_REG_BITS  64
  30 # define MAX_CODE_GEN_BUFFER_SIZE  (2 * GiB)
  31 #else
  32 # define TCG_TARGET_REG_BITS  32
  33 # define MAX_CODE_GEN_BUFFER_SIZE  (32 * MiB)
  34 #endif
  35
  36 #define TCG_TARGET_NB_REGS 64
  37 #define TCG_TARGET_INSN_UNIT_SIZE 4
  38 #define TCG_TARGET_TLB_DISPLACEMENT_BITS 16
  39
  40 typedef enum {
  41     TCG_REG_R0,  TCG_REG_R1,  TCG_REG_R2,  TCG_REG_R3,
  42     TCG_REG_R4,  TCG_REG_R5,  TCG_REG_R6,  TCG_REG_R7,
  43     TCG_REG_R8,  TCG_REG_R9,  TCG_REG_R10, TCG_REG_R11,
  44     TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15,
  45     TCG_REG_R16, TCG_REG_R17, TCG_REG_R18, TCG_REG_R19,
  46     TCG_REG_R20, TCG_REG_R21, TCG_REG_R22, TCG_REG_R23,
  47     TCG_REG_R24, TCG_REG_R25, TCG_REG_R26, TCG_REG_R27,
  48     TCG_REG_R28, TCG_REG_R29, TCG_REG_R30, TCG_REG_R31,
  49
  50     TCG_REG_V0,  TCG_REG_V1,  TCG_REG_V2,  TCG_REG_V3,
  51     TCG_REG_V4,  TCG_REG_V5,  TCG_REG_V6,  TCG_REG_V7,
  52     TCG_REG_V8,  TCG_REG_V9,  TCG_REG_V10, TCG_REG_V11,
  53     TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15,
  54     TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19,
  55     TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23,
  56     TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27,
  57     TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31,
  58
  59     TCG_REG_CALL_STACK = TCG_REG_R1,
  60     TCG_AREG0 = TCG_REG_R27
  61 } TCGReg;
  62
  63 typedef enum {
  64     tcg_isa_base,
  65     tcg_isa_2_06,
  66     tcg_isa_2_07,
  67     tcg_isa_3_00,
  68     tcg_isa_3_10,
  69 } TCGPowerISA;
  70
  71 extern TCGPowerISA have_isa;
  72 extern bool have_altivec;
  73 extern bool have_vsx;
  74
  75 #define have_isa_2_06  (have_isa >= tcg_isa_2_06)
  76 #define have_isa_2_07  (have_isa >= tcg_isa_2_07)
  77 #define have_isa_3_00  (have_isa >= tcg_isa_3_00)
  78 #define have_isa_3_10  (have_isa >= tcg_isa_3_10)
  79
  80 /* optional instructions automatically implemented */
  81 #define TCG_TARGET_HAS_ext8u_i32        0 /* andi */
  82 #define TCG_TARGET_HAS_ext16u_i32       0
  83
  84 /* optional instructions */
  85 #define TCG_TARGET_HAS_div_i32          1
  86 #define TCG_TARGET_HAS_rem_i32          have_isa_3_00
  87 #define TCG_TARGET_HAS_rot_i32          1
  88 #define TCG_TARGET_HAS_ext8s_i32        1
  89 #define TCG_TARGET_HAS_ext16s_i32       1
  90 #define TCG_TARGET_HAS_bswap16_i32      1
  91 #define TCG_TARGET_HAS_bswap32_i32      1
  92 #define TCG_TARGET_HAS_not_i32          1
  93 #define TCG_TARGET_HAS_neg_i32          1
  94 #define TCG_TARGET_HAS_andc_i32         1
  95 #define TCG_TARGET_HAS_orc_i32          1
  96 #define TCG_TARGET_HAS_eqv_i32          1
  97 #define TCG_TARGET_HAS_nand_i32         1
  98 #define TCG_TARGET_HAS_nor_i32          1
  99 #define TCG_TARGET_HAS_clz_i32          1
 100 #define TCG_TARGET_HAS_ctz_i32          have_isa_3_00
 101 #define TCG_TARGET_HAS_ctpop_i32        have_isa_2_06
 102 #define TCG_TARGET_HAS_deposit_i32      1
 103 #define TCG_TARGET_HAS_extract_i32      1
 104 #define TCG_TARGET_HAS_sextract_i32     0
 105 #define TCG_TARGET_HAS_extract2_i32     0
 106 #define TCG_TARGET_HAS_movcond_i32      1
 107 #define TCG_TARGET_HAS_mulu2_i32        0
 108 #define TCG_TARGET_HAS_muls2_i32        0
 109 #define TCG_TARGET_HAS_muluh_i32        1
 110 #define TCG_TARGET_HAS_mulsh_i32        1
 111 #define TCG_TARGET_HAS_direct_jump      1
 112 #define TCG_TARGET_HAS_qemu_st8_i32     0
 113
 114 #if TCG_TARGET_REG_BITS == 64
 115 #define TCG_TARGET_HAS_add2_i32         0
 116 #define TCG_TARGET_HAS_sub2_i32         0
 117 #define TCG_TARGET_HAS_extrl_i64_i32    0
 118 #define TCG_TARGET_HAS_extrh_i64_i32    0
 119 #define TCG_TARGET_HAS_div_i64          1
 120 #define TCG_TARGET_HAS_rem_i64          have_isa_3_00
 121 #define TCG_TARGET_HAS_rot_i64          1
 122 #define TCG_TARGET_HAS_ext8s_i64        1
 123 #define TCG_TARGET_HAS_ext16s_i64       1
 124 #define TCG_TARGET_HAS_ext32s_i64       1
 125 #define TCG_TARGET_HAS_ext8u_i64        0
 126 #define TCG_TARGET_HAS_ext16u_i64       0
 127 #define TCG_TARGET_HAS_ext32u_i64       0
 128 #define TCG_TARGET_HAS_bswap16_i64      1
 129 #define TCG_TARGET_HAS_bswap32_i64      1
 130 #define TCG_TARGET_HAS_bswap64_i64      1
 131 #define TCG_TARGET_HAS_not_i64          1
 132 #define TCG_TARGET_HAS_neg_i64          1
 133 #define TCG_TARGET_HAS_andc_i64         1
 134 #define TCG_TARGET_HAS_orc_i64          1
 135 #define TCG_TARGET_HAS_eqv_i64          1
 136 #define TCG_TARGET_HAS_nand_i64         1
 137 #define TCG_TARGET_HAS_nor_i64          1
 138 #define TCG_TARGET_HAS_clz_i64          1
 139 #define TCG_TARGET_HAS_ctz_i64          have_isa_3_00
 140 #define TCG_TARGET_HAS_ctpop_i64        have_isa_2_06
 141 #define TCG_TARGET_HAS_deposit_i64      1
 142 #define TCG_TARGET_HAS_extract_i64      1
 143 #define TCG_TARGET_HAS_sextract_i64     0
 144 #define TCG_TARGET_HAS_extract2_i64     0
 145 #define TCG_TARGET_HAS_movcond_i64      1
 146 #define TCG_TARGET_HAS_add2_i64         1
 147 #define TCG_TARGET_HAS_sub2_i64         1
 148 #define TCG_TARGET_HAS_mulu2_i64        0
 149 #define TCG_TARGET_HAS_muls2_i64        0
 150 #define TCG_TARGET_HAS_muluh_i64        1
 151 #define TCG_TARGET_HAS_mulsh_i64        1
 152 #endif
 153
 154 /*
 155  * While technically Altivec could support V64, it has no 64-bit store
 156  * instruction and substituting two 32-bit stores makes the generated
 157  * code quite large.
 158  */
 159 #define TCG_TARGET_HAS_v64              have_vsx
 160 #define TCG_TARGET_HAS_v128             have_altivec
 161 #define TCG_TARGET_HAS_v256             0
 162
 163 #define TCG_TARGET_HAS_andc_vec         1
 164 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
 165 #define TCG_TARGET_HAS_nand_vec         have_isa_2_07
 166 #define TCG_TARGET_HAS_nor_vec          1
 167 #define TCG_TARGET_HAS_eqv_vec          have_isa_2_07
 168 #define TCG_TARGET_HAS_not_vec          1
 169 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
 170 #define TCG_TARGET_HAS_abs_vec          0
 171 #define TCG_TARGET_HAS_roti_vec         0
 172 #define TCG_TARGET_HAS_rots_vec         0
 173 #define TCG_TARGET_HAS_rotv_vec         1
 174 #define TCG_TARGET_HAS_shi_vec          0
 175 #define TCG_TARGET_HAS_shs_vec          0
 176 #define TCG_TARGET_HAS_shv_vec          1
 177 #define TCG_TARGET_HAS_mul_vec          1
 178 #define TCG_TARGET_HAS_sat_vec          1
 179 #define TCG_TARGET_HAS_minmax_vec       1
 180 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
 181 #define TCG_TARGET_HAS_cmpsel_vec       0
 182
 183 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 184
 185 #define TCG_TARGET_DEFAULT_MO (0)
 186 #define TCG_TARGET_HAS_MEMORY_BSWAP     1
 187
 188 #define TCG_TARGET_NEED_LDST_LABELS
 189 #define TCG_TARGET_NEED_POOL_LABELS
 190
 191 #endif