1 // Licensed to the .NET Foundation under one or more agreements.
2 // The .NET Foundation licenses this file to you under the MIT license.
3 // See the LICENSE file in the project root for more information.
5 /*****************************************************************************/
8 /*****************************************************************************/
11 // clr.sln only defines _DEBUG
12 // The jit uses DEBUG rather than _DEBUG
13 // So we make sure that _DEBUG implies DEBUG
21 // Clang-format messes with the indentation of comments if they directly precede an
22 // ifdef. This macro allows us to anchor the comments to the regular flow of code.
23 #define CLANG_FORMAT_COMMENT_ANCHOR ;
25 // Clang-tidy replaces 0 with nullptr in some templated functions, causing a build
26 // break. Replacing those instances with ZERO avoids this change
30 // These don't seem useful, so turning them off is no big deal
31 #pragma warning(disable : 4065) // "switch statement contains 'default' but no 'case' labels" (happens due to #ifdefs)
32 #pragma warning(disable : 4510) // can't generate default constructor
33 #pragma warning(disable : 4511) // can't generate copy constructor
34 #pragma warning(disable : 4512) // can't generate assignment constructor
35 #pragma warning(disable : 4610) // user defined constructor required
36 #pragma warning(disable : 4211) // nonstandard extention used (char name[0] in structs)
37 #pragma warning(disable : 4127) // conditional expression constant
38 #pragma warning(disable : 4201) // "nonstandard extension used : nameless struct/union"
40 // Depending on the code base, you may want to not disable these
41 #pragma warning(disable : 4245) // assigning signed / unsigned
42 #pragma warning(disable : 4146) // unary minus applied to unsigned
44 #pragma warning(disable : 4100) // unreferenced formal parameter
45 #pragma warning(disable : 4291) // new operator without delete (only in emitX86.cpp)
49 #define CHECK_STRUCT_PADDING 0 // Set this to '1' to enable warning C4820 "'bytes' bytes padding added after
50 // construct 'member_name'" on interesting structs/classes
52 #define CHECK_STRUCT_PADDING 0 // Never enable it for non-MSFT compilers
57 #error Cannot define both _X86_ and _ARM_
60 #error Cannot define both _X86_ and _AMD64_
63 #error Cannot define both _X86_ and _ARM64_
66 #elif defined(_AMD64_)
68 #error Cannot define both _AMD64_ and _X86_
71 #error Cannot define both _AMD64_ and _ARM_
74 #error Cannot define both _AMD64_ and _ARM64_
79 #error Cannot define both _ARM_ and _X86_
82 #error Cannot define both _ARM_ and _AMD64_
85 #error Cannot define both _ARM_ and _ARM64_
88 #elif defined(_ARM64_)
90 #error Cannot define both _ARM64_ and _X86_
93 #error Cannot define both _ARM64_ and _AMD64_
96 #error Cannot define both _ARM64_ and _ARM_
100 #error Unsupported or unset host architecture
103 #if defined(_HOST_AMD64_) || defined(_HOST_ARM64_)
107 #if defined(_TARGET_X86_)
108 #if defined(_TARGET_ARM_)
109 #error Cannot define both _TARGET_X86_ and _TARGET_ARM_
111 #if defined(_TARGET_AMD64_)
112 #error Cannot define both _TARGET_X86_ and _TARGET_AMD64_
114 #if defined(_TARGET_ARM64_)
115 #error Cannot define both _TARGET_X86_ and _TARGET_ARM64_
117 #if !defined(_HOST_X86_)
118 #define _CROSS_COMPILER_
120 #elif defined(_TARGET_AMD64_)
121 #if defined(_TARGET_X86_)
122 #error Cannot define both _TARGET_AMD64_ and _TARGET_X86_
124 #if defined(_TARGET_ARM_)
125 #error Cannot define both _TARGET_AMD64_ and _TARGET_ARM_
127 #if defined(_TARGET_ARM64_)
128 #error Cannot define both _TARGET_AMD64_ and _TARGET_ARM64_
130 #if !defined(_HOST_AMD64_)
131 #define _CROSS_COMPILER_
133 #elif defined(_TARGET_ARM_)
134 #if defined(_TARGET_X86_)
135 #error Cannot define both _TARGET_ARM_ and _TARGET_X86_
137 #if defined(_TARGET_AMD64_)
138 #error Cannot define both _TARGET_ARM_ and _TARGET_AMD64_
140 #if defined(_TARGET_ARM64_)
141 #error Cannot define both _TARGET_ARM_ and _TARGET_ARM64_
143 #if !defined(_HOST_ARM_)
144 #define _CROSS_COMPILER_
146 #elif defined(_TARGET_ARM64_)
147 #if defined(_TARGET_X86_)
148 #error Cannot define both _TARGET_ARM64_ and _TARGET_X86_
150 #if defined(_TARGET_AMD64_)
151 #error Cannot define both _TARGET_ARM64_ and _TARGET_AMD64_
153 #if defined(_TARGET_ARM_)
154 #error Cannot define both _TARGET_ARM64_ and _TARGET_ARM_
156 #if !defined(_HOST_ARM64_)
157 #define _CROSS_COMPILER_
160 #error Unsupported or unset target architecture
163 #if defined(_TARGET_AMD64_) || defined(_TARGET_ARM64_)
164 #define _TARGET_64BIT_
167 #if defined(_TARGET_X86_) || defined(_TARGET_AMD64_)
168 #define _TARGET_XARCH_
171 #if defined(_TARGET_ARM_) || defined(_TARGET_ARM64_)
172 #define _TARGET_ARMARCH_
175 // If the UNIX_AMD64_ABI is defined make sure that _TARGET_AMD64_ is also defined.
176 #if defined(UNIX_AMD64_ABI)
177 #if !defined(_TARGET_AMD64_)
178 #error When UNIX_AMD64_ABI is defined you must define _TARGET_AMD64_ defined as well.
182 // If the UNIX_X86_ABI is defined make sure that _TARGET_X86_ is also defined.
183 #if defined(UNIX_X86_ABI)
184 #if !defined(_TARGET_X86_)
185 #error When UNIX_X86_ABI is defined you must define _TARGET_X86_ defined as well.
189 #if defined(PLATFORM_UNIX)
193 // Are we generating code to target Unix? This is true if we will run on Unix (_HOST_UNIX_ is defined).
194 // It's also true if we are building an altjit targetting Unix, which we determine by checking if either
195 // UNIX_AMD64_ABI or UNIX_X86_ABI is defined.
196 #if defined(_HOST_UNIX_) || ((defined(UNIX_AMD64_ABI) || defined(UNIX_X86_ABI)) && defined(ALT_JIT))
197 #define _TARGET_UNIX_
200 // --------------------------------------------------------------------------------
201 // IMAGE_FILE_MACHINE_TARGET
202 // --------------------------------------------------------------------------------
204 #if defined(_TARGET_X86_)
205 #define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_I386
206 #elif defined(_TARGET_AMD64_)
207 #define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_AMD64
208 #elif defined(_TARGET_ARM_)
209 #define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_ARMNT
210 #elif defined(_TARGET_ARM64_)
211 #define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_ARM64 // 0xAA64
213 #error Unsupported or unset target architecture
216 // Include the AMD64 unwind codes when appropriate.
217 #if defined(_TARGET_AMD64_)
218 // We need to temporarily set PLATFORM_UNIX, if necessary, to get the Unix-specific unwind codes.
219 #if defined(_TARGET_UNIX_) && !defined(_HOST_UNIX_)
220 #define PLATFORM_UNIX
222 #include "win64unwind.h"
223 #if defined(_TARGET_UNIX_) && !defined(_HOST_UNIX_)
232 #define __OPERATOR_NEW_INLINE 1 // indicate that I will define these
233 #define __PLACEMENT_NEW_INLINE // don't bring in the global placement new, it is easy to make a mistake
234 // with our new(compiler*) pattern.
236 #include "utilcode.h" // this defines assert as _ASSERTE
237 #include "host.h" // this redefines assert for the JIT to use assertAbort
242 #define INDEBUG_COMMA(x) x,
243 #define DEBUGARG(x) , x
246 #define INDEBUG_COMMA(x)
250 #if defined(DEBUG) || defined(LATE_DISASM)
251 #define INDEBUG_LDISASM_COMMA(x) x,
253 #define INDEBUG_LDISASM_COMMA(x)
256 #if defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
257 #define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY_ARG(x) , x
258 #define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY(x) x
259 #else // !defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
260 #define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY_ARG(x)
261 #define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY(x)
262 #endif // defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
264 #if defined(FEATURE_UNIX_AMD64_STRUCT_PASSING) || (!defined(_TARGET_64BIT_) && !defined(LEGACY_BACKEND))
265 #define FEATURE_PUT_STRUCT_ARG_STK 1
266 #define PUT_STRUCT_ARG_STK_ONLY_ARG(x) , x
267 #define PUT_STRUCT_ARG_STK_ONLY(x) x
268 #else // !(defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)|| (!defined(_TARGET_64BIT_) && !defined(LEGACY_BACKEND)))
269 #define PUT_STRUCT_ARG_STK_ONLY_ARG(x)
270 #define PUT_STRUCT_ARG_STK_ONLY(x)
271 #endif // !(defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)|| (!defined(_TARGET_64BIT_) && !defined(LEGACY_BACKEND)))
273 #if defined(UNIX_AMD64_ABI)
274 #define UNIX_AMD64_ABI_ONLY_ARG(x) , x
275 #define UNIX_AMD64_ABI_ONLY(x) x
276 #else // !defined(UNIX_AMD64_ABI)
277 #define UNIX_AMD64_ABI_ONLY_ARG(x)
278 #define UNIX_AMD64_ABI_ONLY(x)
279 #endif // defined(UNIX_AMD64_ABI)
281 #if defined(UNIX_AMD64_ABI) || defined(_TARGET_ARM64_)
282 #define MULTIREG_HAS_SECOND_GC_RET 1
283 #define MULTIREG_HAS_SECOND_GC_RET_ONLY_ARG(x) , x
284 #define MULTIREG_HAS_SECOND_GC_RET_ONLY(x) x
285 #else // !defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
286 #define MULTIREG_HAS_SECOND_GC_RET 0
287 #define MULTIREG_HAS_SECOND_GC_RET_ONLY_ARG(x)
288 #define MULTIREG_HAS_SECOND_GC_RET_ONLY(x)
289 #endif // defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
291 // To get rid of warning 4701 : local variable may be used without being initialized
292 #define DUMMY_INIT(x) (x)
294 #define REGEN_SHORTCUTS 0
295 #define REGEN_CALLPAT 0
297 /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
298 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
302 XX Interface of the JIT with jit.cpp XX
304 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
305 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
308 /*****************************************************************************/
312 #define INFO6 LL_INFO10000 // Did Jit or Inline succeeded?
313 #define INFO7 LL_INFO100000 // NYI stuff
314 #define INFO8 LL_INFO1000000 // Weird failures
315 #define INFO9 LL_EVERYTHING // Info about incoming settings
316 #define INFO10 LL_EVERYTHING // Totally verbose
320 typedef class ICorJitInfo* COMP_HANDLE;
322 const CORINFO_CLASS_HANDLE NO_CLASS_HANDLE = (CORINFO_CLASS_HANDLE) nullptr;
324 /*****************************************************************************/
329 } // Use to disable code while keeping prefast happy
331 // We define two IL offset types, as follows:
333 // IL_OFFSET: either a distinguished value, or an IL offset.
334 // IL_OFFSETX: either a distinguished value, or the top two bits are a flags, and the remaining bottom
335 // bits are a IL offset.
337 // In both cases, the set of legal distinguished values is:
338 // BAD_IL_OFFSET -- A unique illegal IL offset number. Note that it must be different from
339 // the ICorDebugInfo values, below, and must also not be a legal IL offset.
340 // ICorDebugInfo::NO_MAPPING -- The IL offset corresponds to no source code (such as EH step blocks).
341 // ICorDebugInfo::PROLOG -- The IL offset indicates a prolog
342 // ICorDebugInfo::EPILOG -- The IL offset indicates an epilog
344 // The IL offset must be in the range [0 .. 0x3fffffff]. This is because we steal
345 // the top two bits in IL_OFFSETX for flags, but we want the maximum range to be the same
346 // for both types. The IL value can't be larger than the maximum IL offset of the function
349 // Blocks and statements never store one of the ICorDebugInfo values, even for IL_OFFSETX types. These are
350 // only stored in the IPmappingDsc struct, ipmdILoffsx field.
352 typedef unsigned IL_OFFSET;
354 const IL_OFFSET BAD_IL_OFFSET = 0x80000000;
355 const IL_OFFSET MAX_IL_OFFSET = 0x3fffffff;
357 typedef unsigned IL_OFFSETX; // IL_OFFSET with stack-empty or call-instruction bit
358 const IL_OFFSETX IL_OFFSETX_STKBIT = 0x80000000; // Note: this bit is set when the stack is NOT empty!
359 const IL_OFFSETX IL_OFFSETX_CALLINSTRUCTIONBIT = 0x40000000; // Set when the IL offset is for a call instruction.
360 const IL_OFFSETX IL_OFFSETX_BITS = IL_OFFSETX_STKBIT | IL_OFFSETX_CALLINSTRUCTIONBIT;
362 IL_OFFSET jitGetILoffs(IL_OFFSETX offsx);
363 IL_OFFSET jitGetILoffsAny(IL_OFFSETX offsx);
364 bool jitIsStackEmpty(IL_OFFSETX offsx);
365 bool jitIsCallInstruction(IL_OFFSETX offsx);
367 const unsigned BAD_VAR_NUM = UINT_MAX;
369 // Code can't be more than 2^31 in any direction. This is signed, so it should be used for anything that is
370 // relative to something else.
371 typedef int NATIVE_OFFSET;
373 // This is the same as the above, but it's used in absolute contexts (i.e. offset from the start). Also,
374 // this is used for native code sizes.
375 typedef unsigned UNATIVE_OFFSET;
377 typedef ptrdiff_t ssize_t;
379 // For the following specially handled FIELD_HANDLES we need
380 // values that are negative and have the low two bits zero
381 // See eeFindJitDataOffs and eeGetJitDataOffs in Compiler.hpp
382 #define FLD_GLOBAL_DS ((CORINFO_FIELD_HANDLE)-4)
383 #define FLD_GLOBAL_FS ((CORINFO_FIELD_HANDLE)-8)
385 /*****************************************************************************/
389 /*****************************************************************************/
391 // Late disassembly is OFF by default. Can be turned ON by
392 // adding /DLATE_DISASM=1 on the command line.
393 // Always OFF in the non-debug version
395 #if defined(LATE_DISASM) && (LATE_DISASM == 0)
399 /*****************************************************************************/
401 /*****************************************************************************/
403 #define FEATURE_VALNUM_CSE 1 // enable the Value Number CSE optimization logic
405 // true if Value Number CSE is enabled
406 #define FEATURE_ANYCSE FEATURE_VALNUM_CSE
408 #define CSE_INTO_HANDLERS 0
410 #define LARGE_EXPSET 1 // Track 64 or 32 assertions/copies/consts/rangechecks
411 #define ASSERTION_PROP 1 // Enable value/assertion propagation
413 #define LOCAL_ASSERTION_PROP ASSERTION_PROP // Enable local assertion propagation
415 //=============================================================================
417 #define OPT_MULT_ADDSUB 1 // optimize consecutive "lclVar += or -= icon"
418 #define OPT_BOOL_OPS 1 // optimize boolean operations
420 //=============================================================================
422 #define REDUNDANT_LOAD 1 // track locals in regs, suppress loads
423 #define STACK_PROBES 0 // Support for stack probes
424 #define DUMP_FLOWGRAPHS DEBUG // Support for creating Xml Flowgraph reports in *.fgx files
426 #define HANDLER_ENTRY_MUST_BE_IN_HOT_SECTION 1 // if 1 we must have all handler entry points in the Hot code section
428 /*****************************************************************************/
430 #define VPTR_OFFS 0 // offset of vtable pointer from obj ptr
432 /*****************************************************************************/
434 #define DUMP_GC_TABLES DEBUG
435 #define VERIFY_GC_TABLES 0
436 #define REARRANGE_ADDS 1
438 #define FUNC_INFO_LOGGING 1 // Support dumping function info to a file. In retail, only NYIs, with no function name,
441 /*****************************************************************************/
442 /*****************************************************************************/
443 /* Set these to 1 to collect and output various statistics about the JIT */
445 #define CALL_ARG_STATS 0 // Collect stats about calls and call arguments.
446 #define COUNT_BASIC_BLOCKS 0 // Create a histogram of basic block sizes, and a histogram of IL sizes in the simple
447 // case of single block methods.
448 #define COUNT_LOOPS 0 // Collect stats about loops, such as the total number of natural loops, a histogram of
449 // the number of loop exits, etc.
450 #define COUNT_RANGECHECKS 0 // Count range checks removed (in lexical CSE?).
451 #define DATAFLOW_ITER 0 // Count iterations in lexical CSE and constant folding dataflow.
452 #define DISPLAY_SIZES 0 // Display generated code, data, and GC information sizes.
453 #define MEASURE_BLOCK_SIZE 0 // Collect stats about basic block and flowList node sizes and memory allocations.
454 #define MEASURE_FATAL 0 // Count the number of calls to fatal(), including NYIs and noway_asserts.
455 #define MEASURE_NODE_SIZE 0 // Collect stats about GenTree node allocations.
456 #define MEASURE_PTRTAB_SIZE 0 // Collect stats about GC pointer table allocations.
457 #define EMITTER_STATS 0 // Collect stats on the emitter.
458 #define NODEBASH_STATS 0 // Collect stats on changed gtOper values in GenTree's.
459 #define COUNT_AST_OPERS 0 // Display use counts for GenTree operators.
461 #define VERBOSE_SIZES 0 // Always display GC info sizes. If set, DISPLAY_SIZES must also be set.
462 #define VERBOSE_VERIFY 0 // Dump additional information when verifying code. Useful to debug verification bugs.
465 #define MEASURE_MEM_ALLOC 1 // Collect memory allocation stats.
466 #define LOOP_HOIST_STATS 1 // Collect loop hoisting stats.
467 #define TRACK_LSRA_STATS 1 // Collect LSRA stats
469 #define MEASURE_MEM_ALLOC 0 // You can set this to 1 to get memory stats in retail, as well
470 #define LOOP_HOIST_STATS 0 // You can set this to 1 to get loop hoist stats in retail, as well
471 #define TRACK_LSRA_STATS 0 // You can set this to 1 to get LSRA stats in retail, as well
474 // Timing calls to clr.dll is only available under certain conditions.
475 #ifndef FEATURE_JIT_METHOD_PERF
476 #define MEASURE_CLRAPI_CALLS 0 // Can't time these calls without METHOD_PERF.
479 #define MEASURE_CLRAPI_CALLS 0 // No point in measuring DEBUG code.
481 #if !defined(_HOST_X86_) && !defined(_HOST_AMD64_)
482 #define MEASURE_CLRAPI_CALLS 0 // Cycle counters only hooked up on x86/x64.
484 #if !defined(_MSC_VER) && !defined(__clang__)
485 #define MEASURE_CLRAPI_CALLS 0 // Only know how to do this with VC and Clang.
488 // If none of the above set the flag to 0, it's available.
489 #ifndef MEASURE_CLRAPI_CALLS
490 #define MEASURE_CLRAPI_CALLS 0 // Set to 1 to measure time in ICorJitInfo calls.
493 /*****************************************************************************/
494 /* Portability Defines */
495 /*****************************************************************************/
497 #define JIT32_GCENCODER
500 /*****************************************************************************/
502 /*****************************************************************************/
509 #pragma message("NOTE: this non-debug build has GC ptr table dumping always enabled!")
510 const bool dspGCtbls = true;
513 /*****************************************************************************/
517 void JitDump(const char* pcFormat, ...);
518 #define JITDUMP(...) \
520 if (JitTls::GetCompiler()->verbose) \
521 JitDump(__VA_ARGS__); \
527 #define JITLOG_THIS(t, x) \
531 #define DBEXEC(flg, expr) \
536 #define DISPNODE(t) \
537 if (JitTls::GetCompiler()->verbose) \
538 JitTls::GetCompiler()->gtDispTree(t, nullptr, nullptr, true);
539 #define DISPTREE(t) \
540 if (JitTls::GetCompiler()->verbose) \
541 JitTls::GetCompiler()->gtDispTree(t);
542 #define DISPRANGE(range) \
543 if (JitTls::GetCompiler()->verbose) \
544 JitTls::GetCompiler()->gtDispRange(range);
545 #define DISPTREERANGE(range, t) \
546 if (JitTls::GetCompiler()->verbose) \
547 JitTls::GetCompiler()->gtDispTreeRange(range, t);
548 #define VERBOSE JitTls::GetCompiler()->verbose
552 #define JITLOG_THIS(t, x)
553 #define DBEXEC(flg, expr)
556 #define DISPRANGE(range)
557 #define DISPTREERANGE(range, t)
561 /*****************************************************************************
563 * Double alignment. This aligns ESP to 0 mod 8 in function prolog, then uses ESP
564 * to reference locals, EBP to reference parameters.
565 * It only makes sense if frameless method support is on.
566 * (frameless method support is now always on)
570 #define DOUBLE_ALIGN 1 // permit the double alignment of ESP in prolog,
571 // and permit the double alignment of local offsets
573 #define DOUBLE_ALIGN 0 // no special handling for double alignment
575 /*****************************************************************************/
577 extern void _cdecl debugStop(const char* why, ...);
579 /*****************************************************************************/
585 const char* methodName; // Method to display output for
586 const char* className; // Class to display output for
588 double CGknob; // Tweakable knob for testing
589 unsigned testMask; // Tweakable mask for testing
591 JitOptions* lastDummyField; // Ensures instantiation uses right order of arguments
594 extern JitOptions jitOpts;
596 /*****************************************************************************
598 * Returns a word filled with the JITs allocator CHK fill value.
601 template <typename T>
602 inline T UninitializedWord()
604 __int64 word = 0x0101010101010101LL * (JitConfig.JitDefaultFill() & 0xFF);
608 /*****************************************************************************
610 * Determines whether this value is coming from uninitialized JIT memory
614 template <typename T>
615 inline bool IsUninitialized(T data)
617 return data == UninitializedWord<T>();
621 /*****************************************************************************/
632 /*****************************************************************************/
634 #define castto(var, typ) (*(typ*)&var)
636 #define sizeto(typ, mem) (offsetof(typ, mem) + sizeof(((typ*)0)->mem))
638 /*****************************************************************************/
640 #ifdef NO_MISALIGNED_ACCESS
642 #define MISALIGNED_RD_I2(src) (*castto(src, char*) | *castto(src + 1, char*) << 8)
644 #define MISALIGNED_RD_U2(src) (*castto(src, char*) | *castto(src + 1, char*) << 8)
646 #define MISALIGNED_WR_I2(dst, val) \
647 *castto(dst, char*) = val; \
648 *castto(dst + 1, char*) = val >> 8;
650 #define MISALIGNED_WR_I4(dst, val) \
651 *castto(dst, char*) = val; \
652 *castto(dst + 1, char*) = val >> 8; \
653 *castto(dst + 2, char*) = val >> 16; \
654 *castto(dst + 3, char*) = val >> 24;
658 #define MISALIGNED_RD_I2(src) (*castto(src, short*))
659 #define MISALIGNED_RD_U2(src) (*castto(src, unsigned short*))
661 #define MISALIGNED_WR_I2(dst, val) *castto(dst, short*) = val;
662 #define MISALIGNED_WR_I4(dst, val) *castto(dst, int*) = val;
664 #define MISALIGNED_WR_ST(dst, val) *castto(dst, ssize_t*) = val;
668 /*****************************************************************************/
670 inline size_t roundUp(size_t size, size_t mult = sizeof(size_t))
672 assert(mult && ((mult & (mult - 1)) == 0)); // power of two test
674 return (size + (mult - 1)) & ~(mult - 1);
677 inline size_t roundDn(size_t size, size_t mult = sizeof(size_t))
679 assert(mult && ((mult & (mult - 1)) == 0)); // power of two test
681 return (size) & ~(mult - 1);
684 inline unsigned int unsigned_abs(int x)
686 return ((unsigned int)abs(x));
689 #ifdef _TARGET_64BIT_
690 inline size_t unsigned_abs(ssize_t x)
692 return ((size_t)abs(x));
694 #endif // _TARGET_64BIT_
696 /*****************************************************************************/
698 #if CALL_ARG_STATS || COUNT_BASIC_BLOCKS || COUNT_LOOPS || EMITTER_STATS || MEASURE_NODE_SIZE || MEASURE_MEM_ALLOC
703 Histogram(IAllocator* allocator, const unsigned* const sizeTable);
706 void dump(FILE* output);
707 void record(unsigned size);
710 void ensureAllocated();
712 IAllocator* m_allocator;
713 unsigned m_sizeCount;
714 const unsigned* const m_sizeTable;
718 #endif // CALL_ARG_STATS || COUNT_BASIC_BLOCKS || COUNT_LOOPS || EMITTER_STATS || MEASURE_NODE_SIZE
720 /*****************************************************************************/
723 #include "icapctrl.h"
726 /*****************************************************************************/
730 /*****************************************************************************/
732 #if CHECK_STRUCT_PADDING
733 #pragma warning(push)
734 #pragma warning(default : 4820) // 'bytes' bytes padding added after construct 'member_name'
735 #endif // CHECK_STRUCT_PADDING
740 #if FEATURE_TAILCALL_OPT
742 #ifdef FEATURE_CORECLR
743 // CoreCLR - enable tail call opt for the following IL pattern
750 #define FEATURE_TAILCALL_OPT_SHARED_RETURN 1
752 // Desktop: Keep this to zero as one of app-compat apps that is using GetCallingAssembly()
753 // has an issue turning this ON.
755 // Refer to TF: Bug: 824625 and its associated regression TF Bug: 1113265
756 #define FEATURE_TAILCALL_OPT_SHARED_RETURN 0
757 #endif // FEATURE_CORECLR
759 #else // !FEATURE_TAILCALL_OPT
760 #define FEATURE_TAILCALL_OPT_SHARED_RETURN 0
761 #endif // !FEATURE_TAILCALL_OPT
763 #define CLFLG_CODESIZE 0x00001
764 #define CLFLG_CODESPEED 0x00002
765 #define CLFLG_CSE 0x00004
766 #define CLFLG_REGVAR 0x00008
767 #define CLFLG_RNGCHKOPT 0x00010
768 #define CLFLG_DEADASGN 0x00020
769 #define CLFLG_CODEMOTION 0x00040
770 #define CLFLG_QMARK 0x00080
771 #define CLFLG_TREETRANS 0x00100
772 #define CLFLG_INLINING 0x00200
773 #define CLFLG_CONSTANTFOLD 0x00800
775 #if FEATURE_STRUCTPROMOTE
776 #define CLFLG_STRUCTPROMOTE 0x00400
778 #define CLFLG_STRUCTPROMOTE 0x00000
781 #define CLFLG_MAXOPT \
782 (CLFLG_CSE | CLFLG_REGVAR | CLFLG_RNGCHKOPT | CLFLG_DEADASGN | CLFLG_CODEMOTION | CLFLG_QMARK | CLFLG_TREETRANS | \
783 CLFLG_INLINING | CLFLG_STRUCTPROMOTE | CLFLG_CONSTANTFOLD)
785 #define CLFLG_MINOPT (CLFLG_TREETRANS)
787 #define JIT_RESERVED_STACK 64 // Reserved for arguments of calls and hidden
788 // pushes for finallys so that we don't
789 // probe on every call site. See comment in
790 // for CORINFO_STACKPROBE_DEPTH in corjit.h
792 /*****************************************************************************/
794 extern void dumpILBytes(const BYTE* const codeAddr, unsigned codeSize, unsigned alignSize);
796 extern unsigned dumpSingleInstr(const BYTE* const codeAddr, IL_OFFSET offs, const char* prefix = nullptr);
798 extern void dumpILRange(const BYTE* const codeAddr, unsigned codeSize); // in bytes
800 /*****************************************************************************/
802 extern int jitNativeCode(CORINFO_METHOD_HANDLE methodHnd,
803 CORINFO_MODULE_HANDLE classHnd,
805 CORINFO_METHOD_INFO* methodInfo,
806 void** methodCodePtr,
807 ULONG* methodCodeSize,
808 JitFlags* compileFlags,
809 void* inlineInfoPtr);
812 const size_t INVALID_POINTER_VALUE = 0xFEEDFACEABADF00D;
814 const size_t INVALID_POINTER_VALUE = 0xFEEDFACE;
817 // Constants for making sure size_t fit into smaller types.
818 const size_t MAX_USHORT_SIZE_T = static_cast<size_t>(static_cast<unsigned short>(-1));
819 const size_t MAX_UNSIGNED_SIZE_T = static_cast<size_t>(static_cast<unsigned>(-1));
821 // These assume 2's complement...
822 const int MAX_SHORT_AS_INT = 32767;
823 const int MIN_SHORT_AS_INT = -32768;
825 /*****************************************************************************/
829 #define CompMemKindMacro(kind) CMK_##kind,
830 #include "compmemkind.h"
838 Compiler* m_compiler;
844 JitTls(ICorJitInfo* jitInfo);
848 static LogEnv* GetLogEnv();
851 static Compiler* GetCompiler();
852 static void SetCompiler(Compiler* compiler);
857 #include "compiler.h"
859 template <typename T>
862 return (p == ZERO) ? ZERO : (JitTls::GetCompiler()->opts.dspDiffable ? T(0xD1FFAB1E) : p);
865 template <typename T>
868 return (o == ZERO) ? ZERO : (JitTls::GetCompiler()->opts.dspDiffable ? T(0xD1FFAB1E) : o);
871 #else // !defined(DEBUG)
873 template <typename T>
879 template <typename T>
885 #endif // !defined(DEBUG)
887 /*****************************************************************************/
889 /*****************************************************************************/