From: Bill Schmidt <wschm...@linux.ibm.com> 2020-07-26 Bill Schmidt <wschm...@linux.ibm.com>
* config/rs6000/rs6000-gen-builtins.c (write_autogenerated_header): New function. (write_bif_enum): Likewise. (write_ovld_enum): Likewise. (write_decls): Likewise. (write_extern_fntype): Likewise. (write_header_file): Implement. --- gcc/config/rs6000/rs6000-gen-builtins.c | 193 ++++++++++++++++++++++++ 1 file changed, 193 insertions(+) diff --git a/gcc/config/rs6000/rs6000-gen-builtins.c b/gcc/config/rs6000/rs6000-gen-builtins.c index 67336152550..67c7b22aad6 100644 --- a/gcc/config/rs6000/rs6000-gen-builtins.c +++ b/gcc/config/rs6000/rs6000-gen-builtins.c @@ -1878,10 +1878,203 @@ parse_ovld () return result; } +/* Write a comment at the top of FILE about how the code was generated. */ +static void +write_autogenerated_header (FILE *file) +{ + fprintf (file, "/* Automatically generated by the program '%s'\n", + pgm_path); + fprintf (file, " from the files '%s' and '%s'. */\n\n", + bif_path, ovld_path); +} + +/* Callback functions used in creating enumerations. */ +void write_bif_enum (char *str) +{ + fprintf (header_file, " RS6000_BIF_%s,\n", str); +} + +void write_ovld_enum (char *str) +{ + fprintf (header_file, " RS6000_OVLD_%s,\n", str); +} + +/* Write declarations into the header file. */ +static void +write_decls () +{ + fprintf (header_file, "enum rs6000_gen_builtins\n{\n RS6000_BIF_NONE,\n"); + rbt_inorder_callback (&bif_rbt, bif_rbt.rbt_root, write_bif_enum); + fprintf (header_file, " RS6000_BIF_MAX\n};\n\n"); + + fprintf (header_file, "enum restriction {\n"); + fprintf (header_file, " RES_NONE,\n"); + fprintf (header_file, " RES_BITS,\n"); + fprintf (header_file, " RES_RANGE,\n"); + fprintf (header_file, " RES_VAR_RANGE,\n"); + fprintf (header_file, " RES_VALUES\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, "enum bif_enable {\n"); + fprintf (header_file, " ENB_ALWAYS,\n"); + fprintf (header_file, " ENB_P5,\n"); + fprintf (header_file, " ENB_P6,\n"); + fprintf (header_file, " ENB_ALTIVEC,\n"); + fprintf (header_file, " ENB_VSX,\n"); + fprintf (header_file, " ENB_P7,\n"); + fprintf (header_file, " ENB_P7_64,\n"); + fprintf (header_file, " ENB_P8,\n"); + fprintf (header_file, " ENB_P8V,\n"); + fprintf (header_file, " ENB_P9,\n"); + fprintf (header_file, " ENB_P9_64,\n"); + fprintf (header_file, " ENB_P9V,\n"); + fprintf (header_file, " ENB_IEEE128_HW,\n"); + fprintf (header_file, " ENB_DFP,\n"); + fprintf (header_file, " ENB_CRYPTO,\n"); + fprintf (header_file, " ENB_HTM,\n"); + fprintf (header_file, " ENB_P10,\n"); + fprintf (header_file, " ENB_MMA\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, "struct bifdata\n"); + fprintf (header_file, "{\n"); + fprintf (header_file, " const char *bifname;\n"); + fprintf (header_file, " bif_enable enable;\n"); + fprintf (header_file, " tree fntype;\n"); + fprintf (header_file, " insn_code icode;\n"); + fprintf (header_file, " int nargs;\n"); + fprintf (header_file, " int bifattrs;\n"); + fprintf (header_file, " int restr_opnd[2];\n"); + fprintf (header_file, " restriction restr[2];\n"); + fprintf (header_file, " int restr_val1[2];\n"); + fprintf (header_file, " int restr_val2[2];\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, "#define bif_init_bit\t\t(0x00000001)\n"); + fprintf (header_file, "#define bif_set_bit\t\t(0x00000002)\n"); + fprintf (header_file, "#define bif_extract_bit\t\t(0x00000004)\n"); + fprintf (header_file, "#define bif_nosoft_bit\t\t(0x00000008)\n"); + fprintf (header_file, "#define bif_ldvec_bit\t\t(0x00000010)\n"); + fprintf (header_file, "#define bif_stvec_bit\t\t(0x00000020)\n"); + fprintf (header_file, "#define bif_reve_bit\t\t(0x00000040)\n"); + fprintf (header_file, "#define bif_pred_bit\t\t(0x00000080)\n"); + fprintf (header_file, "#define bif_htm_bit\t\t(0x00000100)\n"); + fprintf (header_file, "#define bif_htmspr_bit\t\t(0x00000200)\n"); + fprintf (header_file, "#define bif_htmcr_bit\t\t(0x00000400)\n"); + fprintf (header_file, "#define bif_mma_bit\t\t(0x00000800)\n"); + fprintf (header_file, "#define bif_no32bit_bit\t\t(0x00001000)\n"); + fprintf (header_file, "#define bif_cpu_bit\t\t(0x00002000)\n"); + fprintf (header_file, "#define bif_ldstmask_bit\t(0x00004000)\n"); + fprintf (header_file, "\n"); + fprintf (header_file, + "#define bif_is_init(x)\t\t((x).bifattrs & bif_init_bit)\n"); + fprintf (header_file, + "#define bif_is_set(x)\t\t((x).bifattrs & bif_set_bit)\n"); + fprintf (header_file, + "#define bif_is_extract(x)\t((x).bifattrs & bif_extract_bit)\n"); + fprintf (header_file, + "#define bif_is_nosoft(x)\t((x).bifattrs & bif_nosoft_bit)\n"); + fprintf (header_file, + "#define bif_is_ldvec(x)\t\t((x).bifattrs & bif_ldvec_bit)\n"); + fprintf (header_file, + "#define bif_is_stvec(x)\t\t((x).bifattrs & bif_stvec_bit)\n"); + fprintf (header_file, + "#define bif_is_reve(x)\t\t((x).bifattrs & bif_reve_bit)\n"); + fprintf (header_file, + "#define bif_is_predicate(x)\t((x).bifattrs & bif_pred_bit)\n"); + fprintf (header_file, + "#define bif_is_htm(x)\t\t((x).bifattrs & bif_htm_bit)\n"); + fprintf (header_file, + "#define bif_is_htmspr(x)\t((x).bifattrs & bif_htmspr_bit)\n"); + fprintf (header_file, + "#define bif_is_htmcr(x)\t\t((x).bifattrs & bif_htmcr_bit)\n"); + fprintf (header_file, + "#define bif_is_mma(x)\t\t((x).bifattrs & bif_mma_bit)\n"); + fprintf (header_file, + "#define bif_is_no32bit(x)\t((x).bifattrs & bif_no32bit_bit)\n"); + fprintf (header_file, + "#define bif_is_cpu(x)\t\t((x).bifattrs & bif_cpu_bit)\n"); + fprintf (header_file, + "#define bif_is_ldstmask(x)\t((x).bifattrs " + "& bif_ldstmask_bit)\n"); + fprintf (header_file, "\n"); + + /* #### Note that the _x is added for now to avoid conflict with + the existing rs6000_builtin_info[] file while testing. It will + be removed as we progress. */ + fprintf (header_file, "extern bifdata rs6000_builtin_info_x[];\n\n"); + + fprintf (header_file, + "struct rs6000_bif_hasher : nofree_ptr_hash<bifdata>\n"); + fprintf (header_file, "{\n"); + fprintf (header_file, " typedef const char *compare_type;\n\n"); + fprintf (header_file, " static hashval_t hash (bifdata *);\n"); + fprintf (header_file, " static bool equal (bifdata *, const char *);\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, "extern hash_table<rs6000_bif_hasher> bif_hash;\n\n"); + + /* Right now we use nonoverlapping numbers for rs6000_gen_builtins + and rs6000_gen_overloads. In the old design, these were all in the + same enum, and I can't yet prove there isn't a dependency on these + numbers being distinct. Once this is more clear, I may change + this to start at zero. */ + fprintf (header_file, "enum rs6000_gen_overloads\n{\n"); + fprintf (header_file, " RS6000_OVLD_NONE = RS6000_BIF_MAX + 1,\n"); + rbt_inorder_callback (&ovld_rbt, ovld_rbt.rbt_root, write_ovld_enum); + fprintf (header_file, " RS6000_OVLD_MAX\n};\n\n"); + + fprintf (header_file, "struct ovlddata\n"); + fprintf (header_file, "{\n"); + fprintf (header_file, " const char *bifname;\n"); + fprintf (header_file, " rs6000_gen_builtins bifid;\n"); + fprintf (header_file, " tree fntype;\n"); + fprintf (header_file, " ovlddata *next;\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, "extern ovlddata rs6000_overload_info[];\n\n"); + + fprintf (header_file, + "struct rs6000_ovld_hasher : nofree_ptr_hash<ovlddata>\n"); + fprintf (header_file, "{\n"); + fprintf (header_file, " typedef const char *compare_type;\n\n"); + fprintf (header_file, " static hashval_t hash (ovlddata *);\n"); + fprintf (header_file, " static bool equal (ovlddata *, const char *);\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, + "extern hash_table<rs6000_ovld_hasher> ovld_hash;\n\n"); + + fprintf (header_file, "extern void rs6000_autoinit_builtins ();\n\n"); +} + +/* Callback functions used for generating trees for function types. */ +void +write_extern_fntype (char *str) +{ + fprintf (header_file, "extern tree %s;\n", str); +} + /* Write everything to the header file (rs6000-builtins.h). */ static int write_header_file () { + write_autogenerated_header (header_file); + fprintf (header_file, "#include \"config.h\"\n"); + fprintf (header_file, "#include \"system.h\"\n"); + fprintf (header_file, "#include \"coretypes.h\"\n"); + fprintf (header_file, "#include \"backend.h\"\n"); + fprintf (header_file, "#include \"rtl.h\"\n"); + fprintf (header_file, "#include \"tree.h\"\n"); + fprintf (header_file, "\n"); + fprintf (header_file, "extern int new_builtins_are_live;\n\n"); + + write_decls (); + + /* Write function type list declarators to the header file. */ + rbt_inorder_callback (&fntype_rbt, fntype_rbt.rbt_root, write_extern_fntype); + fprintf (header_file, "\n"); + return 1; } -- 2.17.1