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      1 //===-- CodeGen/RuntimeLibcalls.h - Runtime Library Calls -------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file defines the enum representing the list of runtime library calls
     11 // the backend may emit during code generation, and also some helper functions.
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
     16 #define LLVM_CODEGEN_RUNTIMELIBCALLS_H
     17 
     18 #include "llvm/CodeGen/ValueTypes.h"
     19 
     20 namespace llvm {
     21 namespace RTLIB {
     22   /// RTLIB::Libcall enum - This enum defines all of the runtime library calls
     23   /// the backend can emit.  The various long double types cannot be merged,
     24   /// because 80-bit library functions use "xf" and 128-bit use "tf".
     25   ///
     26   /// When adding PPCF128 functions here, note that their names generally need
     27   /// to be overridden for Darwin with the xxx$LDBL128 form.  See
     28   /// PPCISelLowering.cpp.
     29   ///
     30   enum Libcall {
     31     // Integer
     32     SHL_I16,
     33     SHL_I32,
     34     SHL_I64,
     35     SHL_I128,
     36     SRL_I16,
     37     SRL_I32,
     38     SRL_I64,
     39     SRL_I128,
     40     SRA_I16,
     41     SRA_I32,
     42     SRA_I64,
     43     SRA_I128,
     44     MUL_I8,
     45     MUL_I16,
     46     MUL_I32,
     47     MUL_I64,
     48     MUL_I128,
     49     MULO_I32,
     50     MULO_I64,
     51     MULO_I128,
     52     SDIV_I8,
     53     SDIV_I16,
     54     SDIV_I32,
     55     SDIV_I64,
     56     SDIV_I128,
     57     UDIV_I8,
     58     UDIV_I16,
     59     UDIV_I32,
     60     UDIV_I64,
     61     UDIV_I128,
     62     SREM_I8,
     63     SREM_I16,
     64     SREM_I32,
     65     SREM_I64,
     66     SREM_I128,
     67     UREM_I8,
     68     UREM_I16,
     69     UREM_I32,
     70     UREM_I64,
     71     UREM_I128,
     72     SDIVREM_I8,
     73     SDIVREM_I16,
     74     SDIVREM_I32,
     75     SDIVREM_I64,
     76     SDIVREM_I128,
     77     UDIVREM_I8,
     78     UDIVREM_I16,
     79     UDIVREM_I32,
     80     UDIVREM_I64,
     81     UDIVREM_I128,
     82     NEG_I32,
     83     NEG_I64,
     84 
     85     // FLOATING POINT
     86     ADD_F32,
     87     ADD_F64,
     88     ADD_F80,
     89     ADD_F128,
     90     ADD_PPCF128,
     91     SUB_F32,
     92     SUB_F64,
     93     SUB_F80,
     94     SUB_F128,
     95     SUB_PPCF128,
     96     MUL_F32,
     97     MUL_F64,
     98     MUL_F80,
     99     MUL_F128,
    100     MUL_PPCF128,
    101     DIV_F32,
    102     DIV_F64,
    103     DIV_F80,
    104     DIV_F128,
    105     DIV_PPCF128,
    106     REM_F32,
    107     REM_F64,
    108     REM_F80,
    109     REM_F128,
    110     REM_PPCF128,
    111     FMA_F32,
    112     FMA_F64,
    113     FMA_F80,
    114     FMA_F128,
    115     FMA_PPCF128,
    116     POWI_F32,
    117     POWI_F64,
    118     POWI_F80,
    119     POWI_F128,
    120     POWI_PPCF128,
    121     SQRT_F32,
    122     SQRT_F64,
    123     SQRT_F80,
    124     SQRT_F128,
    125     SQRT_PPCF128,
    126     LOG_F32,
    127     LOG_F64,
    128     LOG_F80,
    129     LOG_F128,
    130     LOG_PPCF128,
    131     LOG2_F32,
    132     LOG2_F64,
    133     LOG2_F80,
    134     LOG2_F128,
    135     LOG2_PPCF128,
    136     LOG10_F32,
    137     LOG10_F64,
    138     LOG10_F80,
    139     LOG10_F128,
    140     LOG10_PPCF128,
    141     EXP_F32,
    142     EXP_F64,
    143     EXP_F80,
    144     EXP_F128,
    145     EXP_PPCF128,
    146     EXP2_F32,
    147     EXP2_F64,
    148     EXP2_F80,
    149     EXP2_F128,
    150     EXP2_PPCF128,
    151     SIN_F32,
    152     SIN_F64,
    153     SIN_F80,
    154     SIN_F128,
    155     SIN_PPCF128,
    156     COS_F32,
    157     COS_F64,
    158     COS_F80,
    159     COS_F128,
    160     COS_PPCF128,
    161     SINCOS_F32,
    162     SINCOS_F64,
    163     SINCOS_F80,
    164     SINCOS_F128,
    165     SINCOS_PPCF128,
    166     POW_F32,
    167     POW_F64,
    168     POW_F80,
    169     POW_F128,
    170     POW_PPCF128,
    171     CEIL_F32,
    172     CEIL_F64,
    173     CEIL_F80,
    174     CEIL_F128,
    175     CEIL_PPCF128,
    176     TRUNC_F32,
    177     TRUNC_F64,
    178     TRUNC_F80,
    179     TRUNC_F128,
    180     TRUNC_PPCF128,
    181     RINT_F32,
    182     RINT_F64,
    183     RINT_F80,
    184     RINT_F128,
    185     RINT_PPCF128,
    186     NEARBYINT_F32,
    187     NEARBYINT_F64,
    188     NEARBYINT_F80,
    189     NEARBYINT_F128,
    190     NEARBYINT_PPCF128,
    191     ROUND_F32,
    192     ROUND_F64,
    193     ROUND_F80,
    194     ROUND_F128,
    195     ROUND_PPCF128,
    196     FLOOR_F32,
    197     FLOOR_F64,
    198     FLOOR_F80,
    199     FLOOR_F128,
    200     FLOOR_PPCF128,
    201     COPYSIGN_F32,
    202     COPYSIGN_F64,
    203     COPYSIGN_F80,
    204     COPYSIGN_F128,
    205     COPYSIGN_PPCF128,
    206     FMIN_F32,
    207     FMIN_F64,
    208     FMIN_F80,
    209     FMIN_F128,
    210     FMIN_PPCF128,
    211     FMAX_F32,
    212     FMAX_F64,
    213     FMAX_F80,
    214     FMAX_F128,
    215     FMAX_PPCF128,
    216 
    217     // CONVERSION
    218     FPEXT_F64_F128,
    219     FPEXT_F32_F128,
    220     FPEXT_F32_F64,
    221     FPEXT_F16_F32,
    222     FPROUND_F32_F16,
    223     FPROUND_F64_F16,
    224     FPROUND_F80_F16,
    225     FPROUND_F128_F16,
    226     FPROUND_PPCF128_F16,
    227     FPROUND_F64_F32,
    228     FPROUND_F80_F32,
    229     FPROUND_F128_F32,
    230     FPROUND_PPCF128_F32,
    231     FPROUND_F80_F64,
    232     FPROUND_F128_F64,
    233     FPROUND_PPCF128_F64,
    234     FPTOSINT_F32_I32,
    235     FPTOSINT_F32_I64,
    236     FPTOSINT_F32_I128,
    237     FPTOSINT_F64_I32,
    238     FPTOSINT_F64_I64,
    239     FPTOSINT_F64_I128,
    240     FPTOSINT_F80_I32,
    241     FPTOSINT_F80_I64,
    242     FPTOSINT_F80_I128,
    243     FPTOSINT_F128_I32,
    244     FPTOSINT_F128_I64,
    245     FPTOSINT_F128_I128,
    246     FPTOSINT_PPCF128_I32,
    247     FPTOSINT_PPCF128_I64,
    248     FPTOSINT_PPCF128_I128,
    249     FPTOUINT_F32_I32,
    250     FPTOUINT_F32_I64,
    251     FPTOUINT_F32_I128,
    252     FPTOUINT_F64_I32,
    253     FPTOUINT_F64_I64,
    254     FPTOUINT_F64_I128,
    255     FPTOUINT_F80_I32,
    256     FPTOUINT_F80_I64,
    257     FPTOUINT_F80_I128,
    258     FPTOUINT_F128_I32,
    259     FPTOUINT_F128_I64,
    260     FPTOUINT_F128_I128,
    261     FPTOUINT_PPCF128_I32,
    262     FPTOUINT_PPCF128_I64,
    263     FPTOUINT_PPCF128_I128,
    264     SINTTOFP_I32_F32,
    265     SINTTOFP_I32_F64,
    266     SINTTOFP_I32_F80,
    267     SINTTOFP_I32_F128,
    268     SINTTOFP_I32_PPCF128,
    269     SINTTOFP_I64_F32,
    270     SINTTOFP_I64_F64,
    271     SINTTOFP_I64_F80,
    272     SINTTOFP_I64_F128,
    273     SINTTOFP_I64_PPCF128,
    274     SINTTOFP_I128_F32,
    275     SINTTOFP_I128_F64,
    276     SINTTOFP_I128_F80,
    277     SINTTOFP_I128_F128,
    278     SINTTOFP_I128_PPCF128,
    279     UINTTOFP_I32_F32,
    280     UINTTOFP_I32_F64,
    281     UINTTOFP_I32_F80,
    282     UINTTOFP_I32_F128,
    283     UINTTOFP_I32_PPCF128,
    284     UINTTOFP_I64_F32,
    285     UINTTOFP_I64_F64,
    286     UINTTOFP_I64_F80,
    287     UINTTOFP_I64_F128,
    288     UINTTOFP_I64_PPCF128,
    289     UINTTOFP_I128_F32,
    290     UINTTOFP_I128_F64,
    291     UINTTOFP_I128_F80,
    292     UINTTOFP_I128_F128,
    293     UINTTOFP_I128_PPCF128,
    294 
    295     // COMPARISON
    296     OEQ_F32,
    297     OEQ_F64,
    298     OEQ_F128,
    299     UNE_F32,
    300     UNE_F64,
    301     UNE_F128,
    302     OGE_F32,
    303     OGE_F64,
    304     OGE_F128,
    305     OLT_F32,
    306     OLT_F64,
    307     OLT_F128,
    308     OLE_F32,
    309     OLE_F64,
    310     OLE_F128,
    311     OGT_F32,
    312     OGT_F64,
    313     OGT_F128,
    314     UO_F32,
    315     UO_F64,
    316     UO_F128,
    317     O_F32,
    318     O_F64,
    319     O_F128,
    320 
    321     // MEMORY
    322     MEMCPY,
    323     MEMSET,
    324     MEMMOVE,
    325 
    326     // EXCEPTION HANDLING
    327     UNWIND_RESUME,
    328 
    329     // Family ATOMICs
    330     SYNC_VAL_COMPARE_AND_SWAP_1,
    331     SYNC_VAL_COMPARE_AND_SWAP_2,
    332     SYNC_VAL_COMPARE_AND_SWAP_4,
    333     SYNC_VAL_COMPARE_AND_SWAP_8,
    334     SYNC_VAL_COMPARE_AND_SWAP_16,
    335     SYNC_LOCK_TEST_AND_SET_1,
    336     SYNC_LOCK_TEST_AND_SET_2,
    337     SYNC_LOCK_TEST_AND_SET_4,
    338     SYNC_LOCK_TEST_AND_SET_8,
    339     SYNC_LOCK_TEST_AND_SET_16,
    340     SYNC_FETCH_AND_ADD_1,
    341     SYNC_FETCH_AND_ADD_2,
    342     SYNC_FETCH_AND_ADD_4,
    343     SYNC_FETCH_AND_ADD_8,
    344     SYNC_FETCH_AND_ADD_16,
    345     SYNC_FETCH_AND_SUB_1,
    346     SYNC_FETCH_AND_SUB_2,
    347     SYNC_FETCH_AND_SUB_4,
    348     SYNC_FETCH_AND_SUB_8,
    349     SYNC_FETCH_AND_SUB_16,
    350     SYNC_FETCH_AND_AND_1,
    351     SYNC_FETCH_AND_AND_2,
    352     SYNC_FETCH_AND_AND_4,
    353     SYNC_FETCH_AND_AND_8,
    354     SYNC_FETCH_AND_AND_16,
    355     SYNC_FETCH_AND_OR_1,
    356     SYNC_FETCH_AND_OR_2,
    357     SYNC_FETCH_AND_OR_4,
    358     SYNC_FETCH_AND_OR_8,
    359     SYNC_FETCH_AND_OR_16,
    360     SYNC_FETCH_AND_XOR_1,
    361     SYNC_FETCH_AND_XOR_2,
    362     SYNC_FETCH_AND_XOR_4,
    363     SYNC_FETCH_AND_XOR_8,
    364     SYNC_FETCH_AND_XOR_16,
    365     SYNC_FETCH_AND_NAND_1,
    366     SYNC_FETCH_AND_NAND_2,
    367     SYNC_FETCH_AND_NAND_4,
    368     SYNC_FETCH_AND_NAND_8,
    369     SYNC_FETCH_AND_NAND_16,
    370     SYNC_FETCH_AND_MAX_1,
    371     SYNC_FETCH_AND_MAX_2,
    372     SYNC_FETCH_AND_MAX_4,
    373     SYNC_FETCH_AND_MAX_8,
    374     SYNC_FETCH_AND_MAX_16,
    375     SYNC_FETCH_AND_UMAX_1,
    376     SYNC_FETCH_AND_UMAX_2,
    377     SYNC_FETCH_AND_UMAX_4,
    378     SYNC_FETCH_AND_UMAX_8,
    379     SYNC_FETCH_AND_UMAX_16,
    380     SYNC_FETCH_AND_MIN_1,
    381     SYNC_FETCH_AND_MIN_2,
    382     SYNC_FETCH_AND_MIN_4,
    383     SYNC_FETCH_AND_MIN_8,
    384     SYNC_FETCH_AND_MIN_16,
    385     SYNC_FETCH_AND_UMIN_1,
    386     SYNC_FETCH_AND_UMIN_2,
    387     SYNC_FETCH_AND_UMIN_4,
    388     SYNC_FETCH_AND_UMIN_8,
    389     SYNC_FETCH_AND_UMIN_16,
    390 
    391     // Stack Protector Fail.
    392     STACKPROTECTOR_CHECK_FAIL,
    393 
    394     UNKNOWN_LIBCALL
    395   };
    396 
    397   /// getFPEXT - Return the FPEXT_*_* value for the given types, or
    398   /// UNKNOWN_LIBCALL if there is none.
    399   Libcall getFPEXT(EVT OpVT, EVT RetVT);
    400 
    401   /// getFPROUND - Return the FPROUND_*_* value for the given types, or
    402   /// UNKNOWN_LIBCALL if there is none.
    403   Libcall getFPROUND(EVT OpVT, EVT RetVT);
    404 
    405   /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
    406   /// UNKNOWN_LIBCALL if there is none.
    407   Libcall getFPTOSINT(EVT OpVT, EVT RetVT);
    408 
    409   /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
    410   /// UNKNOWN_LIBCALL if there is none.
    411   Libcall getFPTOUINT(EVT OpVT, EVT RetVT);
    412 
    413   /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
    414   /// UNKNOWN_LIBCALL if there is none.
    415   Libcall getSINTTOFP(EVT OpVT, EVT RetVT);
    416 
    417   /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
    418   /// UNKNOWN_LIBCALL if there is none.
    419   Libcall getUINTTOFP(EVT OpVT, EVT RetVT);
    420 
    421   /// Return the SYNC_FETCH_AND_* value for the given opcode and type, or
    422   /// UNKNOWN_LIBCALL if there is none.
    423   Libcall getATOMIC(unsigned Opc, MVT VT);
    424 }
    425 }
    426 
    427 #endif
    428