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 #include "host/cpuinfo.h"
  29
  30 #define MAX_CODE_GEN_BUFFER_SIZE  ((size_t)-1)
  31
  32 #define TCG_TARGET_NB_REGS 64
  33 #define TCG_TARGET_INSN_UNIT_SIZE 4
  34
  35 typedef enum {
  36     TCG_REG_R0,  TCG_REG_R1,  TCG_REG_R2,  TCG_REG_R3,
  37     TCG_REG_R4,  TCG_REG_R5,  TCG_REG_R6,  TCG_REG_R7,
  38     TCG_REG_R8,  TCG_REG_R9,  TCG_REG_R10, TCG_REG_R11,
  39     TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15,
  40     TCG_REG_R16, TCG_REG_R17, TCG_REG_R18, TCG_REG_R19,
  41     TCG_REG_R20, TCG_REG_R21, TCG_REG_R22, TCG_REG_R23,
  42     TCG_REG_R24, TCG_REG_R25, TCG_REG_R26, TCG_REG_R27,
  43     TCG_REG_R28, TCG_REG_R29, TCG_REG_R30, TCG_REG_R31,
  44
  45     TCG_REG_V0,  TCG_REG_V1,  TCG_REG_V2,  TCG_REG_V3,
  46     TCG_REG_V4,  TCG_REG_V5,  TCG_REG_V6,  TCG_REG_V7,
  47     TCG_REG_V8,  TCG_REG_V9,  TCG_REG_V10, TCG_REG_V11,
  48     TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15,
  49     TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19,
  50     TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23,
  51     TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27,
  52     TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31,
  53
  54     TCG_REG_CALL_STACK = TCG_REG_R1,
  55     TCG_AREG0 = TCG_REG_R27
  56 } TCGReg;
  57
  58 typedef enum {
  59     tcg_isa_base,
  60     tcg_isa_2_06,
  61     tcg_isa_2_07,
  62     tcg_isa_3_00,
  63     tcg_isa_3_10,
  64 } TCGPowerISA;
  65
  66 #define have_isa_2_06  (cpuinfo & CPUINFO_V2_06)
  67 #define have_isa_2_07  (cpuinfo & CPUINFO_V2_07)
  68 #define have_isa_3_00  (cpuinfo & CPUINFO_V3_0)
  69 #define have_isa_3_10  (cpuinfo & CPUINFO_V3_1)
  70 #define have_altivec   (cpuinfo & CPUINFO_ALTIVEC)
  71 #define have_vsx       (cpuinfo & CPUINFO_VSX)
  72
  73 /* optional instructions automatically implemented */
  74 #define TCG_TARGET_HAS_ext8u_i32        0 /* andi */
  75 #define TCG_TARGET_HAS_ext16u_i32       0
  76
  77 /* optional instructions */
  78 #define TCG_TARGET_HAS_div_i32          1
  79 #define TCG_TARGET_HAS_rem_i32          have_isa_3_00
  80 #define TCG_TARGET_HAS_rot_i32          1
  81 #define TCG_TARGET_HAS_ext8s_i32        1
  82 #define TCG_TARGET_HAS_ext16s_i32       1
  83 #define TCG_TARGET_HAS_bswap16_i32      1
  84 #define TCG_TARGET_HAS_bswap32_i32      1
  85 #define TCG_TARGET_HAS_not_i32          1
  86 #define TCG_TARGET_HAS_andc_i32         1
  87 #define TCG_TARGET_HAS_orc_i32          1
  88 #define TCG_TARGET_HAS_eqv_i32          1
  89 #define TCG_TARGET_HAS_nand_i32         1
  90 #define TCG_TARGET_HAS_nor_i32          1
  91 #define TCG_TARGET_HAS_clz_i32          1
  92 #define TCG_TARGET_HAS_ctz_i32          have_isa_3_00
  93 #define TCG_TARGET_HAS_ctpop_i32        have_isa_2_06
  94 #define TCG_TARGET_HAS_deposit_i32      1
  95 #define TCG_TARGET_HAS_extract_i32      1
  96 #define TCG_TARGET_HAS_sextract_i32     0
  97 #define TCG_TARGET_HAS_extract2_i32     0
  98 #define TCG_TARGET_HAS_negsetcond_i32   1
  99 #define TCG_TARGET_HAS_mulu2_i32        0
 100 #define TCG_TARGET_HAS_muls2_i32        0
 101 #define TCG_TARGET_HAS_muluh_i32        1
 102 #define TCG_TARGET_HAS_mulsh_i32        1
 103 #define TCG_TARGET_HAS_qemu_st8_i32     0
 104
 105 #if TCG_TARGET_REG_BITS == 64
 106 #define TCG_TARGET_HAS_add2_i32         0
 107 #define TCG_TARGET_HAS_sub2_i32         0
 108 #define TCG_TARGET_HAS_extr_i64_i32     0
 109 #define TCG_TARGET_HAS_div_i64          1
 110 #define TCG_TARGET_HAS_rem_i64          have_isa_3_00
 111 #define TCG_TARGET_HAS_rot_i64          1
 112 #define TCG_TARGET_HAS_ext8s_i64        1
 113 #define TCG_TARGET_HAS_ext16s_i64       1
 114 #define TCG_TARGET_HAS_ext32s_i64       1
 115 #define TCG_TARGET_HAS_ext8u_i64        0
 116 #define TCG_TARGET_HAS_ext16u_i64       0
 117 #define TCG_TARGET_HAS_ext32u_i64       0
 118 #define TCG_TARGET_HAS_bswap16_i64      1
 119 #define TCG_TARGET_HAS_bswap32_i64      1
 120 #define TCG_TARGET_HAS_bswap64_i64      1
 121 #define TCG_TARGET_HAS_not_i64          1
 122 #define TCG_TARGET_HAS_andc_i64         1
 123 #define TCG_TARGET_HAS_orc_i64          1
 124 #define TCG_TARGET_HAS_eqv_i64          1
 125 #define TCG_TARGET_HAS_nand_i64         1
 126 #define TCG_TARGET_HAS_nor_i64          1
 127 #define TCG_TARGET_HAS_clz_i64          1
 128 #define TCG_TARGET_HAS_ctz_i64          have_isa_3_00
 129 #define TCG_TARGET_HAS_ctpop_i64        have_isa_2_06
 130 #define TCG_TARGET_HAS_deposit_i64      1
 131 #define TCG_TARGET_HAS_extract_i64      1
 132 #define TCG_TARGET_HAS_sextract_i64     0
 133 #define TCG_TARGET_HAS_extract2_i64     0
 134 #define TCG_TARGET_HAS_negsetcond_i64   1
 135 #define TCG_TARGET_HAS_add2_i64         1
 136 #define TCG_TARGET_HAS_sub2_i64         1
 137 #define TCG_TARGET_HAS_mulu2_i64        0
 138 #define TCG_TARGET_HAS_muls2_i64        0
 139 #define TCG_TARGET_HAS_muluh_i64        1
 140 #define TCG_TARGET_HAS_mulsh_i64        1
 141 #endif
 142
 143 #define TCG_TARGET_HAS_qemu_ldst_i128   \
 144     (TCG_TARGET_REG_BITS == 64 && have_isa_2_07)
 145
 146 #define TCG_TARGET_HAS_tst              1
 147
 148 /*
 149  * While technically Altivec could support V64, it has no 64-bit store
 150  * instruction and substituting two 32-bit stores makes the generated
 151  * code quite large.
 152  */
 153 #define TCG_TARGET_HAS_v64              have_vsx
 154 #define TCG_TARGET_HAS_v128             have_altivec
 155 #define TCG_TARGET_HAS_v256             0
 156
 157 #define TCG_TARGET_HAS_andc_vec         1
 158 #define TCG_TARGET_HAS_orc_vec          have_isa_2_07
 159 #define TCG_TARGET_HAS_nand_vec         have_isa_2_07
 160 #define TCG_TARGET_HAS_nor_vec          1
 161 #define TCG_TARGET_HAS_eqv_vec          have_isa_2_07
 162 #define TCG_TARGET_HAS_not_vec          1
 163 #define TCG_TARGET_HAS_neg_vec          have_isa_3_00
 164 #define TCG_TARGET_HAS_abs_vec          0
 165 #define TCG_TARGET_HAS_roti_vec         0
 166 #define TCG_TARGET_HAS_rots_vec         0
 167 #define TCG_TARGET_HAS_rotv_vec         1
 168 #define TCG_TARGET_HAS_shi_vec          0
 169 #define TCG_TARGET_HAS_shs_vec          0
 170 #define TCG_TARGET_HAS_shv_vec          1
 171 #define TCG_TARGET_HAS_mul_vec          1
 172 #define TCG_TARGET_HAS_sat_vec          1
 173 #define TCG_TARGET_HAS_minmax_vec       1
 174 #define TCG_TARGET_HAS_bitsel_vec       have_vsx
 175 #define TCG_TARGET_HAS_cmpsel_vec       0
 176 #define TCG_TARGET_HAS_tst_vec          0
 177
 178 #define TCG_TARGET_DEFAULT_MO (0)
 179 #define TCG_TARGET_NEED_LDST_LABELS
 180 #define TCG_TARGET_NEED_POOL_LABELS
 181
 182 #endif