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-rw-r--r--gcc/jit/jit-builtins.cc707
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diff --git a/gcc/jit/jit-builtins.cc b/gcc/jit/jit-builtins.cc
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+/* jit-builtins.c -- Handling of builtin functions during JIT-compilation.
+ Copyright (C) 2014-2022 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "target.h"
+#include "jit-playback.h"
+#include "stringpool.h"
+
+#include "jit-builtins.h"
+
+namespace gcc {
+
+namespace jit {
+
+const char *const prefix = "__builtin_";
+const size_t prefix_len = strlen (prefix);
+
+/* Create "builtin_data", a const table of the data within builtins.def. */
+struct builtin_data
+{
+ const char *name;
+ enum built_in_class fnclass;
+ enum jit_builtin_type type;
+ bool both_p;
+ bool fallback_p;
+ enum built_in_attribute attr;
+ bool implicit_p;
+
+ const char *get_asm_name () const
+ {
+ if (both_p && fallback_p)
+ return name + prefix_len;
+ else
+ return name;
+ }
+};
+
+#define DEF_BUILTIN(X, NAME, CLASS, TYPE, LT, BOTH_P, FALLBACK_P, \
+ NONANSI_P, ATTRS, IMPLICIT, COND) \
+ {NAME, CLASS, TYPE, BOTH_P, FALLBACK_P, ATTRS, IMPLICIT},
+static const struct builtin_data builtin_data[] =
+{
+#include "builtins.def"
+};
+
+/* Helper function for find_builtin_by_name. */
+
+static bool
+matches_builtin (const char *in_name,
+ const struct builtin_data& bd)
+{
+ const bool debug = 0;
+
+ /* Ignore entries with a NULL name. */
+ if (!bd.name)
+ return false;
+
+ if (debug)
+ fprintf (stderr, "seen builtin: %s\n", bd.name);
+
+ if (strcmp (bd.name, in_name) == 0)
+ return true;
+
+ if (bd.both_p)
+ {
+ /* Then the macros in builtins.def gave a "__builtin_"
+ prefix to bd.name, but we should also recognize the form
+ without the prefix. */
+ gcc_assert (strncmp (bd.name, prefix, prefix_len) == 0);
+ if (debug)
+ fprintf (stderr, "testing without prefix as: %s\n",
+ bd.name + prefix_len);
+ if (strcmp (bd.name + prefix_len, in_name) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+/* Locate the built-in function that matches name IN_NAME,
+ writing the result to OUT_ID and returning true if found,
+ or returning false if not found. */
+
+static bool
+find_builtin_by_name (const char *in_name,
+ enum built_in_function *out_id)
+{
+ /* Locate builtin. This currently works by performing repeated
+ strcmp against every possible candidate, which is likely to
+ inefficient.
+
+ We start at index 1 to skip the initial entry (BUILT_IN_NONE), which
+ has a NULL name. */
+ for (unsigned int i = 1;
+ i < sizeof (builtin_data) / sizeof (builtin_data[0]);
+ i++)
+ {
+ const struct builtin_data& bd = builtin_data[i];
+ if (matches_builtin (in_name, bd))
+ {
+ /* Found a match. */
+ *out_id = static_cast<enum built_in_function> (i);
+ return true;
+ }
+ }
+
+ /* Not found. */
+ return false;
+}
+
+// class builtins_manager
+
+/* Constructor for gcc::jit::builtins_manager. */
+
+builtins_manager::builtins_manager (recording::context *ctxt)
+ : m_ctxt (ctxt)
+{
+ memset (m_types, 0, sizeof (m_types));
+ memset (m_builtin_functions, 0, sizeof (m_builtin_functions));
+ memset (m_attributes, 0, sizeof (m_attributes));
+}
+
+/* Locate a builtin function by name.
+ Create a recording::function of the appropriate type, reusing them
+ if they've already been seen. */
+
+recording::function *
+builtins_manager::get_builtin_function (const char *name)
+{
+ enum built_in_function builtin_id;
+ if (!find_builtin_by_name (name, &builtin_id))
+ {
+ m_ctxt->add_error (NULL, "builtin \"%s\" not found", name);
+ return NULL;
+ }
+
+ return get_builtin_function_by_id (builtin_id);
+}
+
+/* Locate a builtin function by id.
+ Create a recording::function of the appropriate type, reusing them
+ if they've already been seen. */
+
+recording::function *
+builtins_manager::get_builtin_function_by_id (enum built_in_function builtin_id)
+{
+ gcc_assert (builtin_id > BUILT_IN_NONE);
+ gcc_assert (builtin_id < END_BUILTINS);
+
+ /* Lazily build the functions, caching them so that repeated calls for
+ the same id on a context give back the same object. */
+ if (!m_builtin_functions[builtin_id])
+ {
+ recording::function *fn = make_builtin_function (builtin_id);
+ if (fn)
+ {
+ m_builtin_functions[builtin_id] = fn;
+ m_ctxt->record (fn);
+ }
+ }
+
+ return m_builtin_functions[builtin_id];
+}
+
+/* Create the recording::function for a given builtin function, by ID. */
+
+recording::function *
+builtins_manager::make_builtin_function (enum built_in_function builtin_id)
+{
+ const struct builtin_data& bd = builtin_data[builtin_id];
+ enum jit_builtin_type type_id = bd.type;
+ recording::type *t = get_type (type_id);
+ if (!t)
+ return NULL;
+ recording::function_type *func_type = t->as_a_function_type ();
+ if (!func_type)
+ return NULL;
+
+ vec<recording::type *> param_types = func_type->get_param_types ();
+ recording::param **params = new recording::param *[param_types.length ()];
+
+ int i;
+ recording::type *param_type;
+ FOR_EACH_VEC_ELT (param_types, i, param_type)
+ {
+ char buf[16];
+ snprintf (buf, 16, "arg%d", i);
+ params[i] = m_ctxt->new_param (NULL,
+ param_type,
+ buf);
+ }
+ const char *asm_name = bd.get_asm_name ();
+ recording::function *result =
+ new recording::function (m_ctxt,
+ NULL,
+ GCC_JIT_FUNCTION_IMPORTED, // FIXME
+ func_type->get_return_type (),
+ m_ctxt->new_string (asm_name),
+ param_types.length (),
+ params,
+ func_type->is_variadic (),
+ builtin_id);
+ delete[] params;
+
+ /* PR/64020 - If the client code is using builtin cos or sin,
+ tree-ssa-math-opt.c's execute_cse_sincos_1 may attempt
+ to optimize them to use __builtin_cexpi; for this,
+ BUILT_IN_CEXPI needs to exist.
+
+ Hence query the cache for BUILT_IN_CEXPI to ensure it gets
+ built. */
+ if (builtin_id == BUILT_IN_COS || builtin_id == BUILT_IN_SIN)
+ (void)get_builtin_function_by_id (BUILT_IN_CEXPI);
+
+ /* builtins.c:expand_builtin_cexpi can optimize the various
+ CEXP builtins to SINCOS builtins, and hence we may require
+ SINCOS builtins latter.
+
+ Ensure the appropriate SINCOS builtin exists. */
+ if (builtin_id == BUILT_IN_CEXPIF)
+ (void)get_builtin_function_by_id (BUILT_IN_SINCOSF);
+ else if (builtin_id == BUILT_IN_CEXPI)
+ (void)get_builtin_function_by_id (BUILT_IN_SINCOS);
+ else if (builtin_id == BUILT_IN_CEXPIL)
+ (void)get_builtin_function_by_id (BUILT_IN_SINCOSL);
+
+ return result;
+}
+
+/* Build an array of type names for use by get_string_for_type_id. */
+
+static const char * const type_names[] = {
+#define DEF_PRIMITIVE_TYPE(ENUM, VALUE) #ENUM,
+#define DEF_FUNCTION_TYPE_0(ENUM, RETURN) #ENUM,
+#define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) #ENUM,
+#define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) #ENUM,
+#define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) #ENUM,
+#define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) #ENUM,
+#define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) #ENUM,
+#define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_8(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_9(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8, ARG9) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_10(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8, ARG9, ARG10) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_11(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8, ARG9, ARG10, ARG11) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_1(ENUM, RETURN, ARG1) #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_2(ENUM, RETURN, ARG1, ARG2) #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_3(ENUM, RETURN, ARG1, ARG2, ARG3) #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6) \
+ #ENUM,
+#define DEF_FUNCTION_TYPE_VAR_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7) \
+ #ENUM,
+#define DEF_POINTER_TYPE(ENUM, TYPE) #ENUM,
+
+#include "builtin-types.def"
+
+#undef DEF_PRIMITIVE_TYPE
+#undef DEF_FUNCTION_TYPE_0
+#undef DEF_FUNCTION_TYPE_1
+#undef DEF_FUNCTION_TYPE_2
+#undef DEF_FUNCTION_TYPE_3
+#undef DEF_FUNCTION_TYPE_4
+#undef DEF_FUNCTION_TYPE_5
+#undef DEF_FUNCTION_TYPE_6
+#undef DEF_FUNCTION_TYPE_7
+#undef DEF_FUNCTION_TYPE_8
+#undef DEF_FUNCTION_TYPE_9
+#undef DEF_FUNCTION_TYPE_10
+#undef DEF_FUNCTION_TYPE_11
+#undef DEF_FUNCTION_TYPE_VAR_0
+#undef DEF_FUNCTION_TYPE_VAR_1
+#undef DEF_FUNCTION_TYPE_VAR_2
+#undef DEF_FUNCTION_TYPE_VAR_3
+#undef DEF_FUNCTION_TYPE_VAR_4
+#undef DEF_FUNCTION_TYPE_VAR_5
+#undef DEF_FUNCTION_TYPE_VAR_6
+#undef DEF_FUNCTION_TYPE_VAR_7
+#undef DEF_POINTER_TYPE
+};
+
+/* Get a string for TYPE_ID suitable for use in logs and error messages
+ (e.g. "BT_PID"). */
+
+static const char *
+get_string_for_type_id (enum jit_builtin_type type_id)
+{
+ gcc_assert (type_id < sizeof (type_names)/sizeof(type_names[0]));
+ return type_names[type_id];
+}
+
+/* Get the recording::type for a given type of builtin function,
+ by ID, creating it if it doesn't already exist. */
+
+recording::type *
+builtins_manager::get_type (enum jit_builtin_type type_id)
+{
+ if (!m_types[type_id])
+ m_types[type_id] = make_type (type_id);
+ return m_types[type_id];
+}
+
+/* Create the recording::type for a given type of builtin function. */
+
+recording::type *
+builtins_manager::make_type (enum jit_builtin_type type_id)
+{
+ /* Use builtin-types.def to construct a switch statement, with each
+ case deferring to one of the methods below:
+ - DEF_PRIMITIVE_TYPE is handled as a call to make_primitive_type.
+ - the various DEF_FUNCTION_TYPE_n are handled by variadic calls
+ to make_fn_type.
+ - similarly for DEF_FUNCTION_TYPE_VAR_n, but setting the
+ "is_variadic" argument.
+ - DEF_POINTER_TYPE is handled by make_ptr_type.
+ That should handle everything, but just in case we also suppy a
+ gcc_unreachable default clause. */
+ switch (type_id)
+ {
+#define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \
+ case ENUM: return make_primitive_type (ENUM);
+#define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 0);
+#define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 1, ARG1);
+#define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 2, ARG1, ARG2);
+#define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 3, ARG1, ARG2, ARG3);
+#define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 4, ARG1, ARG2, ARG3, \
+ ARG4);
+#define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 5, ARG1, ARG2, ARG3, \
+ ARG4, ARG5);
+#define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 6, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6);
+#define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 7, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6, ARG7);
+#define DEF_FUNCTION_TYPE_8(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 8, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6, ARG7, ARG8);
+#define DEF_FUNCTION_TYPE_9(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8, ARG9) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 9, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6, ARG7, ARG8, ARG9);
+#define DEF_FUNCTION_TYPE_10(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8, ARG9, ARG10) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 10, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6, ARG7, ARG8, ARG9, \
+ ARG10);
+#define DEF_FUNCTION_TYPE_11(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7, ARG8, ARG9, ARG10, ARG11) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 0, 11, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6, ARG7, ARG8, ARG9, \
+ ARG10, ARG11);
+#define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 0);
+#define DEF_FUNCTION_TYPE_VAR_1(ENUM, RETURN, ARG1) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 1, ARG1);
+#define DEF_FUNCTION_TYPE_VAR_2(ENUM, RETURN, ARG1, ARG2) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 2, ARG1, ARG2);
+#define DEF_FUNCTION_TYPE_VAR_3(ENUM, RETURN, ARG1, ARG2, ARG3) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 3, ARG1, ARG2, ARG3);
+#define DEF_FUNCTION_TYPE_VAR_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 4, ARG1, ARG2, ARG3, \
+ ARG4);
+#define DEF_FUNCTION_TYPE_VAR_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 5, ARG1, ARG2, ARG3, \
+ ARG4, ARG5);
+#define DEF_FUNCTION_TYPE_VAR_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 6, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6);
+#define DEF_FUNCTION_TYPE_VAR_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7) \
+ case ENUM: return make_fn_type (ENUM, RETURN, 1, 7, ARG1, ARG2, ARG3, \
+ ARG4, ARG5, ARG6, ARG7);
+#define DEF_POINTER_TYPE(ENUM, TYPE) \
+ case ENUM: return make_ptr_type (ENUM, TYPE);
+
+#include "builtin-types.def"
+
+#undef DEF_PRIMITIVE_TYPE
+#undef DEF_FUNCTION_TYPE_0
+#undef DEF_FUNCTION_TYPE_1
+#undef DEF_FUNCTION_TYPE_2
+#undef DEF_FUNCTION_TYPE_3
+#undef DEF_FUNCTION_TYPE_4
+#undef DEF_FUNCTION_TYPE_5
+#undef DEF_FUNCTION_TYPE_6
+#undef DEF_FUNCTION_TYPE_7
+#undef DEF_FUNCTION_TYPE_8
+#undef DEF_FUNCTION_TYPE_9
+#undef DEF_FUNCTION_TYPE_10
+#undef DEF_FUNCTION_TYPE_11
+#undef DEF_FUNCTION_TYPE_VAR_0
+#undef DEF_FUNCTION_TYPE_VAR_1
+#undef DEF_FUNCTION_TYPE_VAR_2
+#undef DEF_FUNCTION_TYPE_VAR_3
+#undef DEF_FUNCTION_TYPE_VAR_4
+#undef DEF_FUNCTION_TYPE_VAR_5
+#undef DEF_FUNCTION_TYPE_VAR_6
+#undef DEF_FUNCTION_TYPE_VAR_7
+#undef DEF_POINTER_TYPE
+
+ default:
+ gcc_unreachable ();
+ }
+}
+
+/* Create the recording::type for a given primitive type within the
+ builtin system.
+
+ Only some types are currently supported. */
+
+recording::type*
+builtins_manager::make_primitive_type (enum jit_builtin_type type_id)
+{
+ switch (type_id)
+ {
+ default:
+ // only some of these types are implemented so far:
+ m_ctxt->add_error (NULL,
+ "unimplemented primitive type for builtin (type: %s)",
+ get_string_for_type_id (type_id));
+ return NULL;
+
+ case BT_VOID: return m_ctxt->get_type (GCC_JIT_TYPE_VOID);
+ case BT_BOOL: return m_ctxt->get_type (GCC_JIT_TYPE_BOOL);
+ case BT_INT: return m_ctxt->get_type (GCC_JIT_TYPE_INT);
+ case BT_UINT: return m_ctxt->get_type (GCC_JIT_TYPE_UNSIGNED_INT);
+ case BT_LONG: return m_ctxt->get_type (GCC_JIT_TYPE_LONG);
+ case BT_ULONG: return m_ctxt->get_type (GCC_JIT_TYPE_UNSIGNED_LONG);
+ case BT_LONGLONG: return m_ctxt->get_type (GCC_JIT_TYPE_LONG_LONG);
+ case BT_ULONGLONG:
+ return m_ctxt->get_type (GCC_JIT_TYPE_UNSIGNED_LONG_LONG);
+ // case BT_INTMAX:
+ // case BT_UINTMAX:
+ case BT_INT8: return m_ctxt->get_int_type (1, true);
+ case BT_INT16: return m_ctxt->get_int_type (2, true);
+ case BT_UINT8: return m_ctxt->get_int_type (1, false);
+ case BT_UINT16: return m_ctxt->get_int_type (2, false);
+ case BT_UINT32: return m_ctxt->get_int_type (4, false);
+ case BT_UINT64: return m_ctxt->get_int_type (8, false);
+ // case BT_WORD:
+ // case BT_UNWINDWORD:
+ case BT_FLOAT: return m_ctxt->get_type (GCC_JIT_TYPE_FLOAT);
+ case BT_DOUBLE: return m_ctxt->get_type (GCC_JIT_TYPE_DOUBLE);
+ case BT_LONGDOUBLE: return m_ctxt->get_type (GCC_JIT_TYPE_LONG_DOUBLE);
+ // case BT_FLOAT16:
+ // case BT_FLOAT32:
+ // case BT_FLOAT64:
+ // case BT_FLOAT128:
+ // case BT_FLOAT32X:
+ // case BT_FLOAT64X:
+ // case BT_FLOAT128X:
+ case BT_COMPLEX_FLOAT:
+ return m_ctxt->get_type (GCC_JIT_TYPE_COMPLEX_FLOAT);
+ case BT_COMPLEX_DOUBLE:
+ return m_ctxt->get_type (GCC_JIT_TYPE_COMPLEX_DOUBLE);
+ case BT_COMPLEX_LONGDOUBLE:
+ return m_ctxt->get_type (GCC_JIT_TYPE_COMPLEX_LONG_DOUBLE);
+ case BT_PTR: return m_ctxt->get_type (GCC_JIT_TYPE_VOID_PTR);
+ case BT_FILEPTR: return m_ctxt->get_type (GCC_JIT_TYPE_FILE_PTR);
+ // case BT_CONST_TM_PTR:
+ // case BT_FENV_T_PTR:
+ // case BT_CONST_FENV_T_PTR:
+ // case BT_FEXCEPT_T_PTR:
+ // case BT_CONST_FEXCEPT_T_PTR:
+ case BT_CONST_PTR:
+ return m_ctxt->get_type (GCC_JIT_TYPE_VOID)->get_const ()->get_pointer ();
+ case BT_VOLATILE_PTR:
+ return (m_ctxt->get_type (GCC_JIT_TYPE_VOID)->get_volatile ()
+ ->get_pointer ());
+ case BT_CONST_VOLATILE_PTR:
+ return (m_ctxt->get_type (GCC_JIT_TYPE_VOID)->get_const ()
+ ->get_volatile ()->get_pointer ());
+ // case BT_PTRMODE:
+ case BT_INT_PTR:
+ return m_ctxt->get_type (GCC_JIT_TYPE_INT)->get_pointer ();
+ case BT_FLOAT_PTR:
+ return m_ctxt->get_type (GCC_JIT_TYPE_FLOAT)->get_pointer ();
+ case BT_DOUBLE_PTR:
+ return m_ctxt->get_type (GCC_JIT_TYPE_DOUBLE)->get_pointer ();
+ case BT_CONST_DOUBLE_PTR:
+ return (m_ctxt->get_type (GCC_JIT_TYPE_DOUBLE)->get_const ()
+ ->get_pointer ());
+ // case BT_LONGDOUBLE_PTR:
+ // case BT_PID:
+ case BT_SIZE:
+ return m_ctxt->get_type (GCC_JIT_TYPE_SIZE_T);
+ case BT_CONST_SIZE:
+ return m_ctxt->get_type (GCC_JIT_TYPE_SIZE_T)->get_const ();
+ // case BT_SSIZE:
+ // case BT_WINT:
+ // case BT_STRING:
+ case BT_CONST_STRING: return m_ctxt->get_type (GCC_JIT_TYPE_CONST_CHAR_PTR);
+ // case BT_DFLOAT32:
+ // case BT_DFLOAT64:
+ // case BT_DFLOAT128:
+ // case BT_VALIST_REF:
+ // case BT_VALIST_ARG:
+ case BT_I1: return m_ctxt->get_int_type (1, true);
+ case BT_I2: return m_ctxt->get_int_type (2, true);
+ case BT_I4: return m_ctxt->get_int_type (4, true);
+ case BT_I8: return m_ctxt->get_int_type (8, true);
+ case BT_I16: return m_ctxt->get_int_type (16, true);
+ // case BT_PTR_CONST_STRING:
+ }
+}
+
+/* Create the recording::function_type for a given function type
+ signature. */
+
+recording::function_type *
+builtins_manager::make_fn_type (enum jit_builtin_type,
+ enum jit_builtin_type return_type_id,
+ bool is_variadic,
+ int num_args, ...)
+{
+ va_list list;
+ int i;
+ recording::type **param_types = new recording::type *[num_args];
+ recording::type *return_type = NULL;
+ recording::function_type *result = NULL;
+
+ va_start (list, num_args);
+ for (i = 0; i < num_args; ++i)
+ {
+ enum jit_builtin_type arg_type_id =
+ (enum jit_builtin_type) va_arg (list, int);
+ param_types[i] = get_type (arg_type_id);
+ if (!param_types[i])
+ goto error;
+ }
+ va_end (list);
+
+ return_type = get_type (return_type_id);
+ if (!return_type)
+ goto error;
+
+ result = m_ctxt->new_function_type (return_type,
+ num_args,
+ param_types,
+ is_variadic);
+
+ error:
+ delete[] param_types;
+ return result;
+}
+
+/* Handler for DEF_POINTER_TYPE within builtins_manager::make_type. */
+
+recording::type *
+builtins_manager::make_ptr_type (enum jit_builtin_type,
+ enum jit_builtin_type other_type_id)
+{
+ recording::type *base_type = get_type (other_type_id);
+ return base_type->get_pointer ();
+}
+
+/* Ensure that builtins that could be needed during optimization
+ get created ahead of time. */
+
+void
+builtins_manager::ensure_optimization_builtins_exist ()
+{
+ /* build_common_builtin_nodes does most of this, but not all.
+ We can't loop through all of the builtin_data array, we don't
+ support all types yet. */
+ (void)get_builtin_function_by_id (BUILT_IN_TRAP);
+}
+
+/* Playback support. */
+
+/* A builtins_manager is associated with a recording::context
+ and might be reused for multiple compiles on various
+ playback::contexts, perhaps with different options.
+
+ Purge any playback state. Currently this is just the table of
+ attributes. */
+
+void
+builtins_manager::finish_playback (void)
+{
+ memset (m_attributes, 0, sizeof (m_attributes));
+}
+
+/* Get the enum built_in_class for BUILTIN_ID. */
+
+enum built_in_class
+builtins_manager::get_class (enum built_in_function builtin_id)
+{
+ return builtin_data[builtin_id].fnclass;
+}
+
+/* Is BUILTIN_ID implicit? */
+
+bool
+builtins_manager::implicit_p (enum built_in_function builtin_id)
+{
+ return builtin_data[builtin_id].implicit_p;
+}
+
+/* Get any attributes (in tree form) for the function declaration
+ for BUILTIN_ID.
+
+ These are created on-demand, and cached within the m_attributes
+ array, until finish_playback. */
+
+tree
+builtins_manager::get_attrs_tree (enum built_in_function builtin_id)
+{
+ enum built_in_attribute attr = builtin_data[builtin_id].attr;
+ return get_attrs_tree (attr);
+}
+
+/* As above, but for an enum built_in_attribute. */
+
+tree
+builtins_manager::get_attrs_tree (enum built_in_attribute attr)
+{
+ gcc_assert (attr < ATTR_LAST);
+ if (!m_attributes [attr])
+ m_attributes [attr] = make_attrs_tree (attr);
+ return m_attributes [attr];
+}
+
+/* Handle a cache-miss within the m_attributes array by
+ generating the attributes for enum built_in_attribute
+ in tree form. */
+
+tree
+builtins_manager::make_attrs_tree (enum built_in_attribute attr)
+{
+ switch (attr)
+ {
+ /* Generate cases from builtin-attrs.def. */
+#define DEF_ATTR_NULL_TREE(ENUM) \
+ case ENUM: return NULL_TREE;
+#define DEF_ATTR_INT(ENUM, VALUE) \
+ case ENUM: return build_int_cst (integer_type_node, VALUE);
+#define DEF_ATTR_STRING(ENUM, VALUE) \
+ case ENUM: return build_string (strlen (VALUE), VALUE);
+#define DEF_ATTR_IDENT(ENUM, STRING) \
+ case ENUM: return get_identifier (STRING);
+#define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN) \
+ case ENUM: return tree_cons (get_attrs_tree (PURPOSE), \
+ get_attrs_tree (VALUE), \
+ get_attrs_tree (CHAIN));
+#include "builtin-attrs.def"
+#undef DEF_ATTR_NULL_TREE
+#undef DEF_ATTR_INT
+#undef DEF_ATTR_IDENT
+#undef DEF_ATTR_TREE_LIST
+
+ default:
+ /* We somehow got a value not covered by the autogenerated
+ cases. */
+ gcc_unreachable ();
+ return NULL;
+ }
+}
+
+} // namespace jit
+} // namespace gcc
generated by cgit v1.1 at 2025-04-17 05:13:47 +0000