[12/14] Write code to rs6000-bif.h.

Message ID	f247fce8bdd255539c3c2b5cf047493937f07fcc.1580782131.git.wschmidt@linux.ibm.com
State	New
Headers	show Return-Path: <gcc-patches-return-518841-incoming=patchwork.ozlabs.org@gcc.gnu.org> DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; q=dns; s=default; b=RJS0FawpS/sZLuof3Aw q00g0irDDPHZ/D5HGN9vIlOiPtM65/Jb2nSHNDSbfeu03xb5rTKK+bGse8TLjsrJ rcJncbDGtozgG1Qk8rYJHeeHTKq3K1xsLP7ZhHE/xPKJcfsKDoeXPDWMast6pLsK tXuROcb72Io/vTGCi+4Ox03U= Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk Sender: gcc-patches-owner@gcc.gnu.org From: Bill Schmidt <wschmidt@linux.ibm.com> To: gcc-patches@gcc.gnu.org Cc: segher@kernel.crashing.org Subject: [PATCH 12/14] Write code to rs6000-bif.h. Date: Mon, 3 Feb 2020 20:26:13 -0600 Message-Id: <f247fce8bdd255539c3c2b5cf047493937f07fcc.1580782131.git.wschmidt@linux.ibm.com> In-Reply-To: <cover.1580782131.git.wschmidt@linux.ibm.com> References: <cover.1580782131.git.wschmidt@linux.ibm.com> In-Reply-To: <cover.1580782131.git.wschmidt@linux.ibm.com> References: <cover.1580782131.git.wschmidt@linux.ibm.com>
Series	rs6000: Begin replacing built-in support \| expand [00/14] rs6000: Begin replacing built-in support [01/14] Initial create of rs6000-genbif.c. [02/14] Add stubs for input files. These will grow much larger. [03/14] Add file support and functions for diagnostic support. [04/14] Support functions to parse whitespace, lines, identifiers, integers. [05/14] Add support functions for matching types. [06/14] Red-black tree implementation for balanced tree search. [07/14] Add main function with stub functions for parsing and output. [08/14] Add support for parsing rs6000-bif.def. [09/14] Add parsing support for rs6000-overload.def. [10/14] Build function type identifiers and store them. [11/14] Write #defines to rs6000-vecdefines.h. [12/14] Write code to rs6000-bif.h. [13/14] Write code to rs6000-bif.c. [14/14] Incorporate new code into the build machinery.

diff --git a/gcc/config/rs6000/rs6000-genbif.c b/gcc/config/rs6000/rs6000-genbif.c index 0bcd035060d..c84df1aa30f 100644 --- a/gcc/config/rs6000/rs6000-genbif.c +++ b/gcc/config/rs6000/rs6000-genbif.c @@ -1617,10 +1617,170 @@ 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_VALUES\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, " tree fntype;\n"); + fprintf (header_file, " insn_code icode;\n"); + fprintf (header_file, " int bifattrs;\n"); + fprintf (header_file, " int restr_opnd;\n"); + fprintf (header_file, " restriction restr;\n"); + fprintf (header_file, " int restr_val1;\n"); + fprintf (header_file, " int restr_val2;\n"); + fprintf (header_file, "};\n\n"); + + fprintf (header_file, "#define bif_const_bit\t(0x0000001)\n"); + fprintf (header_file, "#define bif_pure_bit\t(0x0000002)\n"); + fprintf (header_file, "#define bif_round_bit\t(0x0000004)\n"); + fprintf (header_file, "#define bif_init_bit\t(0x0000008)\n"); + fprintf (header_file, "#define bif_set_bit\t(0x0000010)\n"); + fprintf (header_file, "#define bif_ext_bit\t(0x0000020)\n"); + fprintf (header_file, "#define bif_nosoft_bit\t(0x0000040)\n"); + fprintf (header_file, "#define bif_ldv_bit\t(0x0000080)\n"); + fprintf (header_file, "#define bif_stv_bit\t(0x0000100)\n"); + fprintf (header_file, "#define bif_reve_bit\t(0x0000200)\n"); + fprintf (header_file, "#define bif_abs_bit\t(0x0000400)\n"); + fprintf (header_file, "#define bif_pred_bit\t(0x0000800)\n"); + fprintf (header_file, "#define bif_htm_bit\t(0x0001000)\n"); + fprintf (header_file, "\n"); + fprintf (header_file, + "#define bif_is_const(x)\t\t((x).bifattrs & bif_const_bit)\n"); + fprintf (header_file, + "#define bif_is_pure(x)\t\t((x).bifattrs & bif_pure_bit)\n"); + fprintf (header_file, + "#define bif_has_rounding(x)\t((x).bifattrs & bif_round_bit)\n"); + fprintf (header_file, + "#define bif_is_init(x)\t\t((x).bifattrs & bif_init_bit)\n"); + fprintf (header_file, + "#define bif_is_extract(x)\t((x).bifattrs & bif_ext_bit)\n"); + fprintf (header_file, + "#define bif_is_nosoft(x)\t((x).bifattrs & bif_nosoft_bit)\n"); + fprintf (header_file, + "#define bif_is_ldv(x)\t\t((x).bifattrs & bif_ldv_bit)\n"); + fprintf (header_file, + "#define bif_is_stv(x)\t\t((x).bifattrs & bif_stv_bit)\n"); + fprintf (header_file, + "#define bif_is_reve(x)\t\t((x).bifattrs & bif_reve_bit)\n"); + fprintf (header_file, + "#define bif_is_abs(x)\t\t((x).bifattrs & bif_abs_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, "\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-bif.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, "#undef 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; }

[12/14] Write code to rs6000-bif.h.

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