141 lines
3.3 KiB
C
141 lines
3.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Generator for RTL pass related boilerplate code/data
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*
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* Supports gcc 4.5-6
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*
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* Usage:
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*
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* 1. before inclusion define PASS_NAME
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* 2. before inclusion define NO_* for unimplemented callbacks
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* NO_GATE
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* NO_EXECUTE
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* 3. before inclusion define PROPERTIES_* and TODO_FLAGS_* to override
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* the default 0 values
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* 4. for convenience, all the above will be undefined after inclusion!
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* 5. the only exported name is make_PASS_NAME_pass() to register with gcc
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*/
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#ifndef PASS_NAME
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#error at least PASS_NAME must be defined
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#else
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#define __GCC_PLUGIN_STRINGIFY(n) #n
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#define _GCC_PLUGIN_STRINGIFY(n) __GCC_PLUGIN_STRINGIFY(n)
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#define _GCC_PLUGIN_CONCAT2(x, y) x ## y
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#define _GCC_PLUGIN_CONCAT3(x, y, z) x ## y ## z
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#define __PASS_NAME_PASS_DATA(n) _GCC_PLUGIN_CONCAT2(n, _pass_data)
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#define _PASS_NAME_PASS_DATA __PASS_NAME_PASS_DATA(PASS_NAME)
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#define __PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT2(n, _pass)
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#define _PASS_NAME_PASS __PASS_NAME_PASS(PASS_NAME)
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#define _PASS_NAME_NAME _GCC_PLUGIN_STRINGIFY(PASS_NAME)
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#define __MAKE_PASS_NAME_PASS(n) _GCC_PLUGIN_CONCAT3(make_, n, _pass)
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#define _MAKE_PASS_NAME_PASS __MAKE_PASS_NAME_PASS(PASS_NAME)
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#ifdef NO_GATE
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#define _GATE NULL
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#define _HAS_GATE false
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#else
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#define __GATE(n) _GCC_PLUGIN_CONCAT2(n, _gate)
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#define _GATE __GATE(PASS_NAME)
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#define _HAS_GATE true
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#endif
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#ifdef NO_EXECUTE
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#define _EXECUTE NULL
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#define _HAS_EXECUTE false
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#else
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#define __EXECUTE(n) _GCC_PLUGIN_CONCAT2(n, _execute)
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#define _EXECUTE __EXECUTE(PASS_NAME)
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#define _HAS_EXECUTE true
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#endif
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#ifndef PROPERTIES_REQUIRED
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#define PROPERTIES_REQUIRED 0
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#endif
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#ifndef PROPERTIES_PROVIDED
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#define PROPERTIES_PROVIDED 0
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#endif
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#ifndef PROPERTIES_DESTROYED
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#define PROPERTIES_DESTROYED 0
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#endif
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#ifndef TODO_FLAGS_START
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#define TODO_FLAGS_START 0
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#endif
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#ifndef TODO_FLAGS_FINISH
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#define TODO_FLAGS_FINISH 0
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#endif
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namespace {
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static const pass_data _PASS_NAME_PASS_DATA = {
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.type = RTL_PASS,
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.name = _PASS_NAME_NAME,
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.optinfo_flags = OPTGROUP_NONE,
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.tv_id = TV_NONE,
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.properties_required = PROPERTIES_REQUIRED,
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.properties_provided = PROPERTIES_PROVIDED,
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.properties_destroyed = PROPERTIES_DESTROYED,
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.todo_flags_start = TODO_FLAGS_START,
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.todo_flags_finish = TODO_FLAGS_FINISH,
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};
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class _PASS_NAME_PASS : public rtl_opt_pass {
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public:
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_PASS_NAME_PASS() : rtl_opt_pass(_PASS_NAME_PASS_DATA, g) {}
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#ifndef NO_GATE
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virtual bool gate(function *) { return _GATE(); }
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#endif
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virtual opt_pass *clone() { return new _PASS_NAME_PASS(); }
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#ifndef NO_EXECUTE
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virtual unsigned int execute(function *) { return _EXECUTE(); }
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#endif
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};
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}
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opt_pass *_MAKE_PASS_NAME_PASS(void)
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{
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return new _PASS_NAME_PASS();
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}
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/* clean up user provided defines */
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#undef PASS_NAME
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#undef NO_GATE
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#undef NO_EXECUTE
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#undef PROPERTIES_DESTROYED
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#undef PROPERTIES_PROVIDED
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#undef PROPERTIES_REQUIRED
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#undef TODO_FLAGS_FINISH
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#undef TODO_FLAGS_START
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/* clean up generated defines */
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#undef _EXECUTE
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#undef __EXECUTE
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#undef _GATE
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#undef __GATE
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#undef _GCC_PLUGIN_CONCAT2
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#undef _GCC_PLUGIN_CONCAT3
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#undef _GCC_PLUGIN_STRINGIFY
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#undef __GCC_PLUGIN_STRINGIFY
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#undef _HAS_EXECUTE
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#undef _HAS_GATE
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#undef _MAKE_PASS_NAME_PASS
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#undef __MAKE_PASS_NAME_PASS
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#undef _PASS_NAME_NAME
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#undef _PASS_NAME_PASS
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#undef __PASS_NAME_PASS
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#undef _PASS_NAME_PASS_DATA
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#undef __PASS_NAME_PASS_DATA
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#endif /* PASS_NAME */
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