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rs6000: Write output to the builtins header file
2021-07-21 Bill Schmidt <wschmidt@linux.ibm.com> gcc/ * config/rs6000/rs6000-gen-builtins.c (write_autogenerated_header): New function. (write_decls): Likewise. (write_extern_fntype): New callback function. (write_header_file): Implement.
This commit is contained in:
Bill Schmidt
parent
86e5e4c937
commit
89c0330163
@ -1998,11 +1998,239 @@ parse_ovld (void)
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return result;
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}
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/* Write a comment at the top of FILE about how the code was generated. */
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static void
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write_autogenerated_header (FILE *file)
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{
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fprintf (file, "/* Automatically generated by the program '%s'\n",
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pgm_path);
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fprintf (file, " from the files '%s' and '%s'. */\n\n",
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bif_path, ovld_path);
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}
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/* Write declarations into the header file. */
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static void
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write_decls (void)
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{
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fprintf (header_file, "enum rs6000_gen_builtins\n{\n RS6000_BIF_NONE,\n");
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for (int i = 0; i <= curr_bif; i++)
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fprintf (header_file, " RS6000_BIF_%s,\n", bifs[bif_order[i]].idname);
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fprintf (header_file, " RS6000_BIF_MAX,\n");
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fprintf (header_file, " RS6000_OVLD_NONE,\n");
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for (int i = 0; i < num_ovld_stanzas; i++)
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fprintf (header_file, " RS6000_OVLD_%s,\n", ovld_stanzas[i].stanza_id);
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fprintf (header_file, " RS6000_OVLD_MAX\n};\n\n");
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fprintf (header_file,
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"extern GTY(()) tree rs6000_builtin_decls_x[RS6000_OVLD_MAX];\n\n");
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fprintf (header_file,
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"enum rs6000_ovld_instances\n{\n RS6000_INST_NONE,\n");
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for (int i = 0; i <= curr_ovld; i++)
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fprintf (header_file, " RS6000_INST_%s,\n", ovlds[i].ovld_id_name);
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fprintf (header_file, " RS6000_INST_MAX\n};\n\n");
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fprintf (header_file, "#define MAX_OVLD_ARGS %d\n", max_ovld_args);
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fprintf (header_file, "enum restriction {\n");
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fprintf (header_file, " RES_NONE,\n");
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fprintf (header_file, " RES_BITS,\n");
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fprintf (header_file, " RES_RANGE,\n");
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fprintf (header_file, " RES_VAR_RANGE,\n");
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fprintf (header_file, " RES_VALUES\n");
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fprintf (header_file, "};\n\n");
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fprintf (header_file, "enum bif_enable {\n");
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fprintf (header_file, " ENB_ALWAYS,\n");
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fprintf (header_file, " ENB_P5,\n");
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fprintf (header_file, " ENB_P6,\n");
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fprintf (header_file, " ENB_ALTIVEC,\n");
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fprintf (header_file, " ENB_CELL,\n");
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fprintf (header_file, " ENB_VSX,\n");
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fprintf (header_file, " ENB_P7,\n");
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fprintf (header_file, " ENB_P7_64,\n");
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fprintf (header_file, " ENB_P8,\n");
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fprintf (header_file, " ENB_P8V,\n");
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fprintf (header_file, " ENB_P9,\n");
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fprintf (header_file, " ENB_P9_64,\n");
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fprintf (header_file, " ENB_P9V,\n");
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fprintf (header_file, " ENB_IEEE128_HW,\n");
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fprintf (header_file, " ENB_DFP,\n");
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fprintf (header_file, " ENB_CRYPTO,\n");
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fprintf (header_file, " ENB_HTM,\n");
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fprintf (header_file, " ENB_P10,\n");
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fprintf (header_file, " ENB_P10_64,\n");
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fprintf (header_file, " ENB_MMA\n");
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fprintf (header_file, "};\n\n");
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fprintf (header_file, "#define PPC_MAXRESTROPNDS 3\n");
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fprintf (header_file, "struct GTY((user)) bifdata\n");
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fprintf (header_file, "{\n");
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fprintf (header_file, " const char *bifname;\n");
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fprintf (header_file, " bif_enable enable;\n");
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fprintf (header_file, " tree fntype;\n");
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fprintf (header_file, " insn_code icode;\n");
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fprintf (header_file, " int nargs;\n");
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fprintf (header_file, " int bifattrs;\n");
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fprintf (header_file, " int restr_opnd[PPC_MAXRESTROPNDS];\n");
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fprintf (header_file, " restriction restr[PPC_MAXRESTROPNDS];\n");
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fprintf (header_file, " int restr_val1[PPC_MAXRESTROPNDS];\n");
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fprintf (header_file, " int restr_val2[PPC_MAXRESTROPNDS];\n");
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fprintf (header_file, " const char *attr_string;\n");
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fprintf (header_file, " rs6000_gen_builtins assoc_bif;\n");
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fprintf (header_file, "};\n\n");
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fprintf (header_file, "#define bif_init_bit\t\t(0x00000001)\n");
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fprintf (header_file, "#define bif_set_bit\t\t(0x00000002)\n");
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fprintf (header_file, "#define bif_extract_bit\t\t(0x00000004)\n");
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fprintf (header_file, "#define bif_nosoft_bit\t\t(0x00000008)\n");
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fprintf (header_file, "#define bif_ldvec_bit\t\t(0x00000010)\n");
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fprintf (header_file, "#define bif_stvec_bit\t\t(0x00000020)\n");
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fprintf (header_file, "#define bif_reve_bit\t\t(0x00000040)\n");
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fprintf (header_file, "#define bif_pred_bit\t\t(0x00000080)\n");
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fprintf (header_file, "#define bif_htm_bit\t\t(0x00000100)\n");
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fprintf (header_file, "#define bif_htmspr_bit\t\t(0x00000200)\n");
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fprintf (header_file, "#define bif_htmcr_bit\t\t(0x00000400)\n");
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fprintf (header_file, "#define bif_mma_bit\t\t(0x00000800)\n");
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fprintf (header_file, "#define bif_quad_bit\t\t(0x00001000)\n");
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fprintf (header_file, "#define bif_pair_bit\t\t(0x00002000)\n");
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fprintf (header_file, "#define bif_no32bit_bit\t\t(0x00004000)\n");
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fprintf (header_file, "#define bif_32bit_bit\t\t(0x00008000)\n");
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fprintf (header_file, "#define bif_cpu_bit\t\t(0x00010000)\n");
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fprintf (header_file, "#define bif_ldstmask_bit\t(0x00020000)\n");
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fprintf (header_file, "#define bif_lxvrse_bit\t\t(0x00040000)\n");
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fprintf (header_file, "#define bif_lxvrze_bit\t\t(0x00080000)\n");
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fprintf (header_file, "#define bif_endian_bit\t\t(0x00100000)\n");
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fprintf (header_file, "\n");
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fprintf (header_file,
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"#define bif_is_init(x)\t\t((x).bifattrs & bif_init_bit)\n");
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fprintf (header_file,
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"#define bif_is_set(x)\t\t((x).bifattrs & bif_set_bit)\n");
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fprintf (header_file,
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"#define bif_is_extract(x)\t((x).bifattrs & bif_extract_bit)\n");
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fprintf (header_file,
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"#define bif_is_nosoft(x)\t((x).bifattrs & bif_nosoft_bit)\n");
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fprintf (header_file,
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"#define bif_is_ldvec(x)\t\t((x).bifattrs & bif_ldvec_bit)\n");
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fprintf (header_file,
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"#define bif_is_stvec(x)\t\t((x).bifattrs & bif_stvec_bit)\n");
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fprintf (header_file,
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"#define bif_is_reve(x)\t\t((x).bifattrs & bif_reve_bit)\n");
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fprintf (header_file,
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"#define bif_is_predicate(x)\t((x).bifattrs & bif_pred_bit)\n");
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fprintf (header_file,
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"#define bif_is_htm(x)\t\t((x).bifattrs & bif_htm_bit)\n");
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fprintf (header_file,
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"#define bif_is_htmspr(x)\t((x).bifattrs & bif_htmspr_bit)\n");
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fprintf (header_file,
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"#define bif_is_htmcr(x)\t\t((x).bifattrs & bif_htmcr_bit)\n");
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fprintf (header_file,
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"#define bif_is_mma(x)\t\t((x).bifattrs & bif_mma_bit)\n");
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fprintf (header_file,
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"#define bif_is_quad(x)\t\t((x).bifattrs & bif_quad_bit)\n");
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fprintf (header_file,
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"#define bif_is_pair(x)\t\t((x).bifattrs & bif_pair_bit)\n");
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fprintf (header_file,
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"#define bif_is_no32bit(x)\t((x).bifattrs & bif_no32bit_bit)\n");
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fprintf (header_file,
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"#define bif_is_32bit(x)\t((x).bifattrs & bif_32bit_bit)\n");
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fprintf (header_file,
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"#define bif_is_cpu(x)\t\t((x).bifattrs & bif_cpu_bit)\n");
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fprintf (header_file,
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"#define bif_is_ldstmask(x)\t((x).bifattrs & bif_ldstmask_bit)\n");
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fprintf (header_file,
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"#define bif_is_lxvrse(x)\t((x).bifattrs & bif_lxvrse_bit)\n");
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fprintf (header_file,
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"#define bif_is_lxvrze(x)\t((x).bifattrs & bif_lxvrze_bit)\n");
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fprintf (header_file,
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"#define bif_is_endian(x)\t((x).bifattrs & bif_endian_bit)\n");
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fprintf (header_file, "\n");
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/* #### Note that the _x is added for now to avoid conflict with
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the existing rs6000_builtin_info[] file while testing. It will
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be removed as we progress. */
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/* #### Cannot mark this as a GC root because only pointer types can
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be marked as GTY((user)) and be GC roots. All trees in here are
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kept alive by other globals, so not a big deal. Alternatively,
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we could change the enum fields to ints and cast them in and out
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to avoid requiring a GTY((user)) designation, but that seems
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unnecessarily gross. */
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fprintf (header_file,
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"extern bifdata rs6000_builtin_info_x[RS6000_BIF_MAX];\n\n");
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fprintf (header_file, "struct GTY((user)) ovlddata\n");
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fprintf (header_file, "{\n");
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fprintf (header_file, " const char *bifname;\n");
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fprintf (header_file, " rs6000_gen_builtins bifid;\n");
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fprintf (header_file, " tree fntype;\n");
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fprintf (header_file, " ovlddata *next;\n");
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fprintf (header_file, "};\n\n");
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fprintf (header_file, "struct ovldrecord\n");
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fprintf (header_file, "{\n");
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fprintf (header_file, " const char *ovld_name;\n");
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fprintf (header_file, " ovlddata *first_instance;\n");
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fprintf (header_file, "};\n\n");
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fprintf (header_file,
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"/* #### Cannot mark this as a GC root because only pointer\n"
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" types can be marked as GTY((user)) and be GC roots. All\n"
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" trees in here are kept alive by other globals, so not a big\n"
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" deal. Alternatively, we could change the enum fields to ints\n"
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" and cast them in and out to avoid requiring a GTY((user))\n"
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" designation, but that seems unnecessarily gross. */\n");
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fprintf (header_file,
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"extern ovlddata rs6000_instance_info[RS6000_INST_MAX];\n");
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fprintf (header_file, "extern ovldrecord rs6000_overload_info[];\n\n");
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fprintf (header_file, "extern void rs6000_autoinit_builtins ();\n\n");
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fprintf (header_file,
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"extern bool rs6000_new_builtin_is_supported_p "
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"(rs6000_gen_builtins);\n");
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fprintf (header_file,
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"extern tree rs6000_builtin_decl (unsigned, "
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"bool ATTRIBUTE_UNUSED);\n\n");
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fprintf (header_file,
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"extern void gt_ggc_mx (bifdata *bd);\n");
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fprintf (header_file,
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"extern void gt_pch_nx (bifdata *bd);\n");
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fprintf (header_file,
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"extern void gt_pch_nx (bifdata *bd, gt_pointer_operator op, "
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"void *cookie);\n");
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fprintf (header_file,
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"extern void gt_ggc_mx (ovlddata *od);\n");
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fprintf (header_file,
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"extern void gt_pch_nx (ovlddata *od);\n");
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fprintf (header_file,
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"extern void gt_pch_nx (ovlddata *od, gt_pointer_operator op, "
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"void *cookie);\n");
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}
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/* Callback functions used for generating trees for function types. */
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void
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write_extern_fntype (char *str)
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{
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fprintf (header_file, "extern GTY(()) tree %s;\n", str);
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}
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/* Write everything to the header file (rs6000-builtins.h). Return
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1 if successful, 0 otherwise. */
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static int
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write_header_file (void)
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{
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write_autogenerated_header (header_file);
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fprintf (header_file, "#ifndef _RS6000_BUILTINS_H\n");
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fprintf (header_file, "#define _RS6000_BUILTINS_H 1\n\n");
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fprintf (header_file, "extern int new_builtins_are_live;\n\n");
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write_decls ();
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/* Write function type list declarators to the header file. */
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rbt_inorder_callback (&fntype_rbt, fntype_rbt.rbt_root, write_extern_fntype);
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fprintf (header_file, "\n");
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fprintf (header_file, "\n#endif\n");
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return 1;
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}
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