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* Fix arm D_OFFSETCliff Click2025-04-172-2/+5
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* win64 spills more than sys5Cliff Click2025-04-171-3/+7
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* Arm eval (#208)Tamás Hadházy2025-04-173-16/+270
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * README updates * Fix ch19 mis-merge? * x86 call args, risc5 load/store regs * arm2 bs * Push RISC WMASK avoid writing to RSP * work in progress * clearnup arm * Progress calling convention allocations Call unlinks before reg alloc. CallEnd tracks RPC CallX86 requires TFP for correct ABI Bias Color tracks 2-addr. RPC gets a mask/stack-slot Clean up call/fun ABI Fix mask RET, RET_F Fix print stack slot Remove isMultiHead, isMultiTail Better all-asm print * Beef up Newton test * fixed main pr problems * regmask extra comments * Clean pass normal tests New fcn print upgrades several golden rule tests. Move the unlink-all from the walk::err call (which IS used during IterPeeps) to GCM. CallEnd upgrades return type based on constant call. Fix unlink to also unlink CallEnd Constant TFP print checks constant Tested an untested Load * Arm basics, minor changes in riscv (#160) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java * add riscv port to readme * arm init * work in progress * arm2 bs * work in progress * clearnup arm * fixed main pr problems * regmask extra comments --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Update Chapter20Test.java * Weaken range-check test since no range checks... test cannot fail (pass) * Fix issue #161 Error adding 'null' and '5' * bug fixs, cloning constants Fix bug missing Find. Fix bug setDef does unordered removal from basic blocks. Use cloned constants for spilling. * RA fixes SplitSelfConflict MUST split before uses and after defs. Split global constants across functions Missing find in union; Inserting split after new inserted wrong place Pre-remove null LRGs before color. Bias color hunts through Phis Shorten InstructionSelection. Rename !unified() to leader() AddMemX86 is 2-addr Add CastXXX to preserve register across cast. * encoding init * encoding init 2 * rex fix * indirect addressing modes * setop change opcode, rename FLOAT_OFFSET * mask sib and modrm with 3 bits, 4th bit goes into rex. * sign extend div with cqo * idiv input is fixed to rax and RMASK, grab input from second slot when encoding * encoding of newx86 * tfp and CallEndNode encoding * sib improvement * more cleanups * more cleanups * Allow a killMap to kill regs. Bugfix scheduler. Bugfix spiller - self-conflict order depended on hashtable iteration order, which depended on System.hashCode which would vary run to run. Improvements to coloring Improvements to spill quality testing * Added flags-kill for XOR * Missing add-deps from fuzzer * Update Chapter14Test.java * fixed order of operands * base rex fixup * more bug fix * remove jukn files * minimal "make release" * further fixes * minor fixes * minor fixes * minor fixes * base != -1 check, precedence fix * Add regkills in IFG building Fix bug LRG union stats Adjust self-conflict splits to be slightly less aggressive In every use-side split, dont split-after-split same block. NewNode is a multi, does not define a register * 64 bit encoding for gpr(s) load * RA improvements Attempt to commute to keep reg-masks compatible. Clones with kills (x86 XOR killing flags to zero) fail before the flag-def. Bugfix failed to color last lrg. More smarts on picking trivial LRGs during coloring Drop isSplit, add SplitNode Pass regalloc round to all splits for debugging Self-conflict no split on loop backedge. Handle split that gets made goes dead No-reg-mask spilling handles case with many def/uses. Add DivIX86 BrainFuck, MergeSort now allocate as testing * 8 bit imm support * conditional jump fix * Push l,ast change, unbreak branch * XOR remove extra opcode, imm size supports 8 bit. * Finally pass the `new [u8]` double-copy test * Fix several ARM reg setup problems Finish Split bypass check ARM: rsp is also a fixed zero, in R31. R0 is a valid register. CallArm prints args, passes TFP for arg selection. Does not return a register. All CallEndARM which DOES return a register. Parms missing tfp for float args. ProjARM after a New missing regs. RetARM missing RPC. Remove hopeful DivIX86 * 64 bit imm for alu ops encoded in extra reg then use it in Op as an operand * Bunch of minor arm, risc fixes small constants not cloning * jump invert encoding * warning comment * Much ARM fixage One More Go-Round with Better Biased Colors Fix bug picking deepest spills to bias. ARM: remove default 2-address. Fix regmask overflow. Rename some ops to be canonical. * Fixes to release Port does not have to be in a Simple named directory. Call convention is just a string, no enum Missed some tests running RISC, ARM. * Minor release change to allow another foreign port * better split encoding and fix CallInMask * notNode * fix callInMask * riscv init * riscv basic ALU ops and types of instructions * Allowing non-Simple repo ports Expanding public API slightly so alternative (non-Simple repo) ports can happen. RegMask supports single-bit-set and a long bitmask. Bugfix GCM splitting multiple global constants. Bugfix LCM grabbing a projection vs multi Bugfix RegAlloc when avoiding splitting a clonable Source code in release More timing in CodeGen * riscv indirect addressing and function calls * Cleanup call ABI presentation Everybody uses the same names, same code shapes * Caller save regs ...not callee save yet * Expose caller save regs * Store Risc adjustments, no imm in MemOpRISC * specific print encoding for cpus * merge fixup * More x86,risc,arm call convention fixes Collect callee and caller save masks (inverts of each other, except for spills). Reorg layout to be closer to each other; remove dead mask definitions; add final keyword * lui fix up with 32 bit immediates * Callee-save registers Callee-save registers and masks and inserting LRGs for same and spilling and picking good spills. Insert CalleeSaveNodes and edges to RetXXXs and RegMasks for those edges. Iterators for regmask. Better printing post-allocation * RegMask supports 128 bits All regs available arm, risc. MergeSort compiles & runs * added flags splitting * Fix risc5 compares No flags on risc5. Branch takes 2 inputs (one can be imm12). Float compare only sets a GPR to 0/1. Bool has a isFloat Common risc5 imm-form handling * extend test cases * imm encoding, flags fixed * grep for Todo: relocs * float riscv fixed * flags for set * lui fix for small bits [0, 12] * arm init * arm last touches * fmov still needs fix * minor fixes * minor fixes(2) * got rid of unnecessary stuff * create ch21 * remove encodings from chapter20 dir * 1/2 pass cleaning up ARM encoding API * ARM encoding compiles * Risc R_TYPE and I_TYPE * Progress RISC encodings Missing lots of stuff still * progress risc encoding * Bring back `make view` * risc encodings compile * Update README.md * Fold up redundant OP/OP-FP risc5 encoding * x86 mem opcodes first cut break out MemOp encodings into parts; change x86 indirectAdr to use Encoding class, remove redundant asserts & code * x86 mem op encodings * x86 reg+imm forms * most reg-reg forms * More x86 encodings * Last few encodings * switch to binary literals over decimals for opcodes * logical immediates fixed, bitwise ops imm forms * tfp and setArm fixed * PC relative float for riscv * readme init * Merged pr/169 * Fixed the array1 test encodings Clean up branch invert logic during BB layout Cleanup branch target printing for RISC,ARM ImmRISC ops mask imm12 to 12 bits Fix NewRISC; hardcode RPC as part of call Fix RISC inverting branchs >,>= * floatarm encoding * tfparm and intarm * uncontional jump encoding for arm and riscv * smarter IntARM, Intx86 does not always include rex. * REX after PREFIX * fixup load and store indirect * updated rex prefix, if its 0x40 then its not needed * Rex fix for floats, got rid of unnecessary stuff. * rename to camel case, better param name * add test export * merged * store opt * store and load optimised forms handled * tfp patch * Store/load float arm/riscv/x64 * got rid of debug print * splits for x86, riscv and arm * readme fixups * Create ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * fix global symbol numbering for constants * ASimpleReply setup * fix TFP pathc on arm and riscv, keep symbols in good order. * fix opcode for store and loads, memOpRisc for Store and splitting * replace hard coded opcodes with major opcodes * Update README.md * replace hard coded opcodes with major opcodes * Fix some formatting (#184) * Fix title in chapter 19 * Wrap nseted scope images onto newlines in chapter 3 * add asserts and fix reg numbering * add asserts and fix reg numbering * minor updates * revert changes * remove constant pool from encoder TODO: add flag for JIT * extend test cases * Update ASimpleReply2.md * Update ASimpleReplyChain.md * minor fixes * minor fixes * update float test case * stringHash fix on x64 * remove conditional ConstantPool write * brainfuck minor fixes * minor arm fixes * split fix * Ignore unicorn * More simple replies * ASimpleReply3 * brainfuck and fib * brain fuck * Update DadalReply2.md * Update ASimpleReplyChain.md * arg_count, person * add ignore * More Simply Reply * Update ASimpleReply3.md * typo * riscv test sieve attempt * minor changes * riscv5 emulator additions * arm eval setup * Update riscv.java * arm eval basics * delta fixes * arm fixes * testfib arm * arg_count * small update for test newton * small update for test newton --------- Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: godalming123 <68993177+godalming123@users.noreply.github.com>
* Fix CmpIX86/Jmp swap args bugCliff Click2025-04-176-76/+101
| | | | | | Some x86 cmp need to swap args, then Set/Jmp both need to swap `bop`. Fix missing padding in ASM printer. MergeSort test like brainfuck - runs on arm.
* Remove redundant BrainFuck testCliff Click2025-04-164-107/+65
| | | | | | | Move all flavors into BrainFuck,java. Check x86 by linking with C & running. Check risc5 by running in EvalRisc5. Check arm by encoding, but no sim (yet).
* Fix risc5 branch invertCliff Click2025-04-162-11/+18
| | | | | | Had conditions on forced invert mixed up. Sometimes need both a negate and a swap. rename invert as negate.
* Missed cutout testCliff Click2025-04-161-1/+0
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* R5 fcmp, flt load from poolCliff Click2025-04-154-70/+56
| | | | | | exportELF(null) now patches the cpool entries as well as globals. Repeated cpool entries folded. Fixed FltRISC, FCMP encoding.
* riscv emulator (#206)Tamás Hadházy2025-04-156-9/+226
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * First cut regalloc working Biased coloring; tracking splits around a LRG. Separate split for self-conflicts. postColor to remove junk splits. Some minor riscv fixes. * Compile some riscv codes If SplitEmptyMask does not apply, fall back to normal split. Missing CmpFRISC. Renamed riscv flags. RetRISC handls FPR remove extra RegMask constructurs * add riscv port to readme * arm init * Progress reg alloc Handle multi-node projections. A little smarter about 2-addr scheduling RegAlloc must-have single registers removes from other masks instead of interfering; had the mask removal backwards in a few cases. LRG/RegMask COW expand masks before mutating. Clone small constants instead of spilling. Alloc & ProjX86 get output reg masks. Full print large reg masks with sp+offset * UF LRGs can be null during coloring * Finish UF find * work in progress * README updates * Fix ch19 mis-merge? * x86 call args, risc5 load/store regs * arm2 bs * Push RISC WMASK avoid writing to RSP * work in progress * clearnup arm * Progress calling convention allocations Call unlinks before reg alloc. CallEnd tracks RPC CallX86 requires TFP for correct ABI Bias Color tracks 2-addr. RPC gets a mask/stack-slot Clean up call/fun ABI Fix mask RET, RET_F Fix print stack slot Remove isMultiHead, isMultiTail Better all-asm print * Beef up Newton test * fixed main pr problems * regmask extra comments * Clean pass normal tests New fcn print upgrades several golden rule tests. Move the unlink-all from the walk::err call (which IS used during IterPeeps) to GCM. CallEnd upgrades return type based on constant call. Fix unlink to also unlink CallEnd Constant TFP print checks constant Tested an untested Load * Arm basics, minor changes in riscv (#160) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java * add riscv port to readme * arm init * work in progress * arm2 bs * work in progress * clearnup arm * fixed main pr problems * regmask extra comments --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Update Chapter20Test.java * Weaken range-check test since no range checks... test cannot fail (pass) * Fix issue #161 Error adding 'null' and '5' * bug fixs, cloning constants Fix bug missing Find. Fix bug setDef does unordered removal from basic blocks. Use cloned constants for spilling. * RA fixes SplitSelfConflict MUST split before uses and after defs. Split global constants across functions Missing find in union; Inserting split after new inserted wrong place Pre-remove null LRGs before color. Bias color hunts through Phis Shorten InstructionSelection. Rename !unified() to leader() AddMemX86 is 2-addr Add CastXXX to preserve register across cast. * encoding init * encoding init 2 * rex fix * indirect addressing modes * setop change opcode, rename FLOAT_OFFSET * mask sib and modrm with 3 bits, 4th bit goes into rex. * sign extend div with cqo * idiv input is fixed to rax and RMASK, grab input from second slot when encoding * encoding of newx86 * tfp and CallEndNode encoding * sib improvement * more cleanups * more cleanups * Allow a killMap to kill regs. Bugfix scheduler. Bugfix spiller - self-conflict order depended on hashtable iteration order, which depended on System.hashCode which would vary run to run. Improvements to coloring Improvements to spill quality testing * Added flags-kill for XOR * Missing add-deps from fuzzer * Update Chapter14Test.java * fixed order of operands * base rex fixup * more bug fix * remove jukn files * minimal "make release" * further fixes * minor fixes * minor fixes * minor fixes * base != -1 check, precedence fix * Add regkills in IFG building Fix bug LRG union stats Adjust self-conflict splits to be slightly less aggressive In every use-side split, dont split-after-split same block. NewNode is a multi, does not define a register * 64 bit encoding for gpr(s) load * RA improvements Attempt to commute to keep reg-masks compatible. Clones with kills (x86 XOR killing flags to zero) fail before the flag-def. Bugfix failed to color last lrg. More smarts on picking trivial LRGs during coloring Drop isSplit, add SplitNode Pass regalloc round to all splits for debugging Self-conflict no split on loop backedge. Handle split that gets made goes dead No-reg-mask spilling handles case with many def/uses. Add DivIX86 BrainFuck, MergeSort now allocate as testing * 8 bit imm support * conditional jump fix * Push l,ast change, unbreak branch * XOR remove extra opcode, imm size supports 8 bit. * Finally pass the `new [u8]` double-copy test * Fix several ARM reg setup problems Finish Split bypass check ARM: rsp is also a fixed zero, in R31. R0 is a valid register. CallArm prints args, passes TFP for arg selection. Does not return a register. All CallEndARM which DOES return a register. Parms missing tfp for float args. ProjARM after a New missing regs. RetARM missing RPC. Remove hopeful DivIX86 * 64 bit imm for alu ops encoded in extra reg then use it in Op as an operand * Bunch of minor arm, risc fixes small constants not cloning * jump invert encoding * warning comment * Much ARM fixage One More Go-Round with Better Biased Colors Fix bug picking deepest spills to bias. ARM: remove default 2-address. Fix regmask overflow. Rename some ops to be canonical. * Fixes to release Port does not have to be in a Simple named directory. Call convention is just a string, no enum Missed some tests running RISC, ARM. * Minor release change to allow another foreign port * better split encoding and fix CallInMask * notNode * fix callInMask * riscv init * riscv basic ALU ops and types of instructions * Allowing non-Simple repo ports Expanding public API slightly so alternative (non-Simple repo) ports can happen. RegMask supports single-bit-set and a long bitmask. Bugfix GCM splitting multiple global constants. Bugfix LCM grabbing a projection vs multi Bugfix RegAlloc when avoiding splitting a clonable Source code in release More timing in CodeGen * riscv indirect addressing and function calls * Cleanup call ABI presentation Everybody uses the same names, same code shapes * Caller save regs ...not callee save yet * Expose caller save regs * Store Risc adjustments, no imm in MemOpRISC * specific print encoding for cpus * merge fixup * More x86,risc,arm call convention fixes Collect callee and caller save masks (inverts of each other, except for spills). Reorg layout to be closer to each other; remove dead mask definitions; add final keyword * lui fix up with 32 bit immediates * Callee-save registers Callee-save registers and masks and inserting LRGs for same and spilling and picking good spills. Insert CalleeSaveNodes and edges to RetXXXs and RegMasks for those edges. Iterators for regmask. Better printing post-allocation * RegMask supports 128 bits All regs available arm, risc. MergeSort compiles & runs * added flags splitting * Fix risc5 compares No flags on risc5. Branch takes 2 inputs (one can be imm12). Float compare only sets a GPR to 0/1. Bool has a isFloat Common risc5 imm-form handling * extend test cases * imm encoding, flags fixed * grep for Todo: relocs * float riscv fixed * flags for set * lui fix for small bits [0, 12] * arm init * arm last touches * fmov still needs fix * minor fixes * minor fixes(2) * got rid of unnecessary stuff * create ch21 * remove encodings from chapter20 dir * 1/2 pass cleaning up ARM encoding API * ARM encoding compiles * Risc R_TYPE and I_TYPE * Progress RISC encodings Missing lots of stuff still * progress risc encoding * Bring back `make view` * risc encodings compile * Update README.md * Fold up redundant OP/OP-FP risc5 encoding * x86 mem opcodes first cut break out MemOp encodings into parts; change x86 indirectAdr to use Encoding class, remove redundant asserts & code * x86 mem op encodings * x86 reg+imm forms * most reg-reg forms * More x86 encodings * Last few encodings * switch to binary literals over decimals for opcodes * logical immediates fixed, bitwise ops imm forms * tfp and setArm fixed * PC relative float for riscv * readme init * Merged pr/169 * Fixed the array1 test encodings Clean up branch invert logic during BB layout Cleanup branch target printing for RISC,ARM ImmRISC ops mask imm12 to 12 bits Fix NewRISC; hardcode RPC as part of call Fix RISC inverting branchs >,>= * floatarm encoding * tfparm and intarm * uncontional jump encoding for arm and riscv * smarter IntARM, Intx86 does not always include rex. * REX after PREFIX * fixup load and store indirect * updated rex prefix, if its 0x40 then its not needed * Rex fix for floats, got rid of unnecessary stuff. * rename to camel case, better param name * add test export * merged * store opt * store and load optimised forms handled * tfp patch * Store/load float arm/riscv/x64 * got rid of debug print * splits for x86, riscv and arm * readme fixups * Create ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * fix global symbol numbering for constants * ASimpleReply setup * fix TFP pathc on arm and riscv, keep symbols in good order. * fix opcode for store and loads, memOpRisc for Store and splitting * replace hard coded opcodes with major opcodes * Update README.md * replace hard coded opcodes with major opcodes * Fix some formatting (#184) * Fix title in chapter 19 * Wrap nseted scope images onto newlines in chapter 3 * add asserts and fix reg numbering * add asserts and fix reg numbering * minor updates * revert changes * remove constant pool from encoder TODO: add flag for JIT * extend test cases * Update ASimpleReply2.md * Update ASimpleReplyChain.md * minor fixes * minor fixes * update float test case * stringHash fix on x64 * remove conditional ConstantPool write * brainfuck minor fixes * minor arm fixes * split fix * Ignore unicorn * More simple replies * ASimpleReply3 * brainfuck and fib * brain fuck * Update DadalReply2.md * Update ASimpleReplyChain.md * arg_count, person * add ignore * More Simply Reply * Update ASimpleReply3.md * typo * riscv test sieve attempt * minor changes * riscv5 emulator additions * arm eval setup * Update riscv.java --------- Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: godalming123 <68993177+godalming123@users.noreply.github.com>
* Revamp calling convention mathCliff Click2025-04-154-26/+21
| | | | | | | Handles win64 shadow stack space correctly. Unifies most of the caller-save mask, return mask, arg mask computations. Unifies most of the frame-size math across all chips. Large documentation comment in Machine about how stack math is computed.
* NewXXX honors declared CCCliff Click2025-04-142-9/+2
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* EvalRISC5 handles callocCliff Click2025-04-134-306/+68
| | | | Patch calls to calloc with a sentinel; emulator spots call to sentinel and mimics calloc on the internal heap.
* negateCliff Click2025-04-132-20/+280
| | | | on x86,risc,arm
* Handle infinite loopsCliff Click2025-04-1310-65/+92
| | | | | | Loop tree building (and breaking infinite loops) needs to happen *before* instruction selection, which is optional. Best done as a new compiler phase... which now wants a driver. Add a compiler driver; adjust tests to use. Add "never-branch" handling to the 3 CPU port main branch ops.
* Phi generic pull down is strongerCliff Click2025-04-122-2/+2
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* 2 more encoding bugsCliff Click2025-04-122-0/+19
| | | | Missing constant NIL, arm CAST
* MemStore interface (#201)Darrick Wiebe2025-04-122-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | * Hook for pre-encoding work needed by M2 * Add MemStore interface * Add both MemLoad and MemStore interfaces * Fix NPE printing StopNode * Attach merged mem to return when forcing a loop exit * Made requested changes. This breaks a few tests, possibly because... ...I am not sure whether some X86 ops are loads or stores. * Mach ops need anti-deps too MemOp subclasses are either "Load-like" or "Store-like" based on a flag, and not on subclassing LoadNode nor StoreNode. Mach ops pick up anti-deps, no reg mask for those. x86 bug: do not allow "dst = [mem] + #imm", no such instruction Empty merge-mem folds away. x86 add-to-mem works both ways --------- Co-authored-by: Cliff Click <cliffc@acm.org>
* Update Chapter20Test.javaCliff Click2025-04-111-4/+5
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* Remove debug printsCliff Click2025-04-113-9/+9
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* Encoding bugsCliff Click2025-04-112-3/+3
| | | | | NewX86 using wrong killmap. Split: moving from xmm to gpr inverted REX bits
* Update TestC.javaCliff Click2025-04-111-1/+1
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* One more try for CICliff Click2025-04-111-0/+1
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* better ci errorCliff Click2025-04-101-0/+4
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* C tests check both Win64 qnd Sys5Cliff Click2025-04-1011-61/+83
| | | | | | NewX86 links against OS-specific `calloc`, uses OS-specific calling convention, and not the declared convention. Encoding bug, byte-store of SIL, DIL, BPL needs a blank REX. OBOB errors in Sys5 large-arg-count calling.
* Handle large arg count functionCliff Click2025-04-094-15/+12
| | | | | | 2 print modes for stack slots - slot# or stack offset, only available after encoding. Compute maxArgSlot in one place on all archs. X86 yank flags from Splits - lest we split a XMM into the flags???
* Fix risc5 bugs from emulatorCliff Click2025-04-085-45/+70
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* arg_count, person (#198)Tamás Hadházy2025-04-086-7/+65
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Coloring. Some nested spilling Optimize divf/con -> mul times inverse * turn off ch20 tests * Update Chapter20Test.java * RISC-V basic isel (#156) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Bring pr/154 to ch 20 RISC5 changes. Some missing x86 ops. Still needs some calling convention love. * First cut regalloc working Biased coloring; tracking splits around a LRG. Separate split for self-conflicts. postColor to remove junk splits. Some minor riscv fixes. * Compile some riscv codes If SplitEmptyMask does not apply, fall back to normal split. Missing CmpFRISC. Renamed riscv flags. RetRISC handls FPR remove extra RegMask constructurs * add riscv port to readme * arm init * Progress reg alloc Handle multi-node projections. A little smarter about 2-addr scheduling RegAlloc must-have single registers removes from other masks instead of interfering; had the mask removal backwards in a few cases. LRG/RegMask COW expand masks before mutating. Clone small constants instead of spilling. Alloc & ProjX86 get output reg masks. Full print large reg masks with sp+offset * UF LRGs can be null during coloring * Finish UF find * work in progress * README updates * Fix ch19 mis-merge? * x86 call args, risc5 load/store regs * arm2 bs * Push RISC WMASK avoid writing to RSP * work in progress * clearnup arm * Progress calling convention allocations Call unlinks before reg alloc. CallEnd tracks RPC CallX86 requires TFP for correct ABI Bias Color tracks 2-addr. RPC gets a mask/stack-slot Clean up call/fun ABI Fix mask RET, RET_F Fix print stack slot Remove isMultiHead, isMultiTail Better all-asm print * Beef up Newton test * fixed main pr problems * regmask extra comments * Clean pass normal tests New fcn print upgrades several golden rule tests. Move the unlink-all from the walk::err call (which IS used during IterPeeps) to GCM. CallEnd upgrades return type based on constant call. Fix unlink to also unlink CallEnd Constant TFP print checks constant Tested an untested Load * Arm basics, minor changes in riscv (#160) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java * add riscv port to readme * arm init * work in progress * arm2 bs * work in progress * clearnup arm * fixed main pr problems * regmask extra comments --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Update Chapter20Test.java * Weaken range-check test since no range checks... test cannot fail (pass) * Fix issue #161 Error adding 'null' and '5' * bug fixs, cloning constants Fix bug missing Find. Fix bug setDef does unordered removal from basic blocks. Use cloned constants for spilling. * RA fixes SplitSelfConflict MUST split before uses and after defs. Split global constants across functions Missing find in union; Inserting split after new inserted wrong place Pre-remove null LRGs before color. Bias color hunts through Phis Shorten InstructionSelection. Rename !unified() to leader() AddMemX86 is 2-addr Add CastXXX to preserve register across cast. * encoding init * encoding init 2 * rex fix * indirect addressing modes * setop change opcode, rename FLOAT_OFFSET * mask sib and modrm with 3 bits, 4th bit goes into rex. * sign extend div with cqo * idiv input is fixed to rax and RMASK, grab input from second slot when encoding * encoding of newx86 * tfp and CallEndNode encoding * sib improvement * more cleanups * more cleanups * Allow a killMap to kill regs. Bugfix scheduler. Bugfix spiller - self-conflict order depended on hashtable iteration order, which depended on System.hashCode which would vary run to run. Improvements to coloring Improvements to spill quality testing * Added flags-kill for XOR * Missing add-deps from fuzzer * Update Chapter14Test.java * fixed order of operands * base rex fixup * more bug fix * remove jukn files * minimal "make release" * further fixes * minor fixes * minor fixes * minor fixes * base != -1 check, precedence fix * Add regkills in IFG building Fix bug LRG union stats Adjust self-conflict splits to be slightly less aggressive In every use-side split, dont split-after-split same block. NewNode is a multi, does not define a register * 64 bit encoding for gpr(s) load * RA improvements Attempt to commute to keep reg-masks compatible. Clones with kills (x86 XOR killing flags to zero) fail before the flag-def. Bugfix failed to color last lrg. More smarts on picking trivial LRGs during coloring Drop isSplit, add SplitNode Pass regalloc round to all splits for debugging Self-conflict no split on loop backedge. Handle split that gets made goes dead No-reg-mask spilling handles case with many def/uses. Add DivIX86 BrainFuck, MergeSort now allocate as testing * 8 bit imm support * conditional jump fix * Push l,ast change, unbreak branch * XOR remove extra opcode, imm size supports 8 bit. * Finally pass the `new [u8]` double-copy test * Fix several ARM reg setup problems Finish Split bypass check ARM: rsp is also a fixed zero, in R31. R0 is a valid register. CallArm prints args, passes TFP for arg selection. Does not return a register. All CallEndARM which DOES return a register. Parms missing tfp for float args. ProjARM after a New missing regs. RetARM missing RPC. Remove hopeful DivIX86 * 64 bit imm for alu ops encoded in extra reg then use it in Op as an operand * Bunch of minor arm, risc fixes small constants not cloning * jump invert encoding * warning comment * Much ARM fixage One More Go-Round with Better Biased Colors Fix bug picking deepest spills to bias. ARM: remove default 2-address. Fix regmask overflow. Rename some ops to be canonical. * Fixes to release Port does not have to be in a Simple named directory. Call convention is just a string, no enum Missed some tests running RISC, ARM. * Minor release change to allow another foreign port * better split encoding and fix CallInMask * notNode * fix callInMask * riscv init * riscv basic ALU ops and types of instructions * Allowing non-Simple repo ports Expanding public API slightly so alternative (non-Simple repo) ports can happen. RegMask supports single-bit-set and a long bitmask. Bugfix GCM splitting multiple global constants. Bugfix LCM grabbing a projection vs multi Bugfix RegAlloc when avoiding splitting a clonable Source code in release More timing in CodeGen * riscv indirect addressing and function calls * Cleanup call ABI presentation Everybody uses the same names, same code shapes * Caller save regs ...not callee save yet * Expose caller save regs * Store Risc adjustments, no imm in MemOpRISC * specific print encoding for cpus * merge fixup * More x86,risc,arm call convention fixes Collect callee and caller save masks (inverts of each other, except for spills). Reorg layout to be closer to each other; remove dead mask definitions; add final keyword * lui fix up with 32 bit immediates * Callee-save registers Callee-save registers and masks and inserting LRGs for same and spilling and picking good spills. Insert CalleeSaveNodes and edges to RetXXXs and RegMasks for those edges. Iterators for regmask. Better printing post-allocation * RegMask supports 128 bits All regs available arm, risc. MergeSort compiles & runs * added flags splitting * Fix risc5 compares No flags on risc5. Branch takes 2 inputs (one can be imm12). Float compare only sets a GPR to 0/1. Bool has a isFloat Common risc5 imm-form handling * extend test cases * imm encoding, flags fixed * grep for Todo: relocs * float riscv fixed * flags for set * lui fix for small bits [0, 12] * arm init * arm last touches * fmov still needs fix * minor fixes * minor fixes(2) * got rid of unnecessary stuff * create ch21 * remove encodings from chapter20 dir * 1/2 pass cleaning up ARM encoding API * ARM encoding compiles * Risc R_TYPE and I_TYPE * Progress RISC encodings Missing lots of stuff still * progress risc encoding * Bring back `make view` * risc encodings compile * Update README.md * Fold up redundant OP/OP-FP risc5 encoding * x86 mem opcodes first cut break out MemOp encodings into parts; change x86 indirectAdr to use Encoding class, remove redundant asserts & code * x86 mem op encodings * x86 reg+imm forms * most reg-reg forms * More x86 encodings * Last few encodings * switch to binary literals over decimals for opcodes * logical immediates fixed, bitwise ops imm forms * tfp and setArm fixed * PC relative float for riscv * readme init * Merged pr/169 * Fixed the array1 test encodings Clean up branch invert logic during BB layout Cleanup branch target printing for RISC,ARM ImmRISC ops mask imm12 to 12 bits Fix NewRISC; hardcode RPC as part of call Fix RISC inverting branchs >,>= * floatarm encoding * tfparm and intarm * uncontional jump encoding for arm and riscv * smarter IntARM, Intx86 does not always include rex. * REX after PREFIX * fixup load and store indirect * updated rex prefix, if its 0x40 then its not needed * Rex fix for floats, got rid of unnecessary stuff. * rename to camel case, better param name * add test export * merged * store opt * store and load optimised forms handled * tfp patch * Store/load float arm/riscv/x64 * got rid of debug print * splits for x86, riscv and arm * readme fixups * Create ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * fix global symbol numbering for constants * ASimpleReply setup * fix TFP pathc on arm and riscv, keep symbols in good order. * fix opcode for store and loads, memOpRisc for Store and splitting * replace hard coded opcodes with major opcodes * Update README.md * replace hard coded opcodes with major opcodes * Fix some formatting (#184) * Fix title in chapter 19 * Wrap nseted scope images onto newlines in chapter 3 * add asserts and fix reg numbering * add asserts and fix reg numbering * minor updates * revert changes * remove constant pool from encoder TODO: add flag for JIT * extend test cases * minor fixes * minor fixes * update float test case * stringHash fix on x64 * remove conditional ConstantPool write * brainfuck minor fixes * minor arm fixes * split fix * brainfuck and fib * brain fuck * arg_count, person * add ignore --------- Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: godalming123 <68993177+godalming123@users.noreply.github.com>
* Add 32b risc5 emulatorCliff Click2025-04-083-0/+320
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* Clean testsCliff Click2025-04-072-2/+2
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* Minor arm fixes (#197)Tamás Hadházy2025-04-075-3/+88
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Coloring. Some nested spilling Optimize divf/con -> mul times inverse * turn off ch20 tests * Update Chapter20Test.java * RISC-V basic isel (#156) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Bring pr/154 to ch 20 RISC5 changes. Some missing x86 ops. Still needs some calling convention love. * First cut regalloc working Biased coloring; tracking splits around a LRG. Separate split for self-conflicts. postColor to remove junk splits. Some minor riscv fixes. * Compile some riscv codes If SplitEmptyMask does not apply, fall back to normal split. Missing CmpFRISC. Renamed riscv flags. RetRISC handls FPR remove extra RegMask constructurs * add riscv port to readme * arm init * Progress reg alloc Handle multi-node projections. A little smarter about 2-addr scheduling RegAlloc must-have single registers removes from other masks instead of interfering; had the mask removal backwards in a few cases. LRG/RegMask COW expand masks before mutating. Clone small constants instead of spilling. Alloc & ProjX86 get output reg masks. Full print large reg masks with sp+offset * UF LRGs can be null during coloring * Finish UF find * work in progress * README updates * Fix ch19 mis-merge? * x86 call args, risc5 load/store regs * arm2 bs * Push RISC WMASK avoid writing to RSP * work in progress * clearnup arm * Progress calling convention allocations Call unlinks before reg alloc. CallEnd tracks RPC CallX86 requires TFP for correct ABI Bias Color tracks 2-addr. RPC gets a mask/stack-slot Clean up call/fun ABI Fix mask RET, RET_F Fix print stack slot Remove isMultiHead, isMultiTail Better all-asm print * Beef up Newton test * fixed main pr problems * regmask extra comments * Clean pass normal tests New fcn print upgrades several golden rule tests. Move the unlink-all from the walk::err call (which IS used during IterPeeps) to GCM. CallEnd upgrades return type based on constant call. Fix unlink to also unlink CallEnd Constant TFP print checks constant Tested an untested Load * Arm basics, minor changes in riscv (#160) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java * add riscv port to readme * arm init * work in progress * arm2 bs * work in progress * clearnup arm * fixed main pr problems * regmask extra comments --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Update Chapter20Test.java * Weaken range-check test since no range checks... test cannot fail (pass) * Fix issue #161 Error adding 'null' and '5' * bug fixs, cloning constants Fix bug missing Find. Fix bug setDef does unordered removal from basic blocks. Use cloned constants for spilling. * RA fixes SplitSelfConflict MUST split before uses and after defs. Split global constants across functions Missing find in union; Inserting split after new inserted wrong place Pre-remove null LRGs before color. Bias color hunts through Phis Shorten InstructionSelection. Rename !unified() to leader() AddMemX86 is 2-addr Add CastXXX to preserve register across cast. * encoding init * encoding init 2 * rex fix * indirect addressing modes * setop change opcode, rename FLOAT_OFFSET * mask sib and modrm with 3 bits, 4th bit goes into rex. * sign extend div with cqo * idiv input is fixed to rax and RMASK, grab input from second slot when encoding * encoding of newx86 * tfp and CallEndNode encoding * sib improvement * more cleanups * more cleanups * Allow a killMap to kill regs. Bugfix scheduler. Bugfix spiller - self-conflict order depended on hashtable iteration order, which depended on System.hashCode which would vary run to run. Improvements to coloring Improvements to spill quality testing * Added flags-kill for XOR * Missing add-deps from fuzzer * Update Chapter14Test.java * fixed order of operands * base rex fixup * more bug fix * remove jukn files * minimal "make release" * further fixes * minor fixes * minor fixes * minor fixes * base != -1 check, precedence fix * Add regkills in IFG building Fix bug LRG union stats Adjust self-conflict splits to be slightly less aggressive In every use-side split, dont split-after-split same block. NewNode is a multi, does not define a register * 64 bit encoding for gpr(s) load * RA improvements Attempt to commute to keep reg-masks compatible. Clones with kills (x86 XOR killing flags to zero) fail before the flag-def. Bugfix failed to color last lrg. More smarts on picking trivial LRGs during coloring Drop isSplit, add SplitNode Pass regalloc round to all splits for debugging Self-conflict no split on loop backedge. Handle split that gets made goes dead No-reg-mask spilling handles case with many def/uses. Add DivIX86 BrainFuck, MergeSort now allocate as testing * 8 bit imm support * conditional jump fix * Push l,ast change, unbreak branch * XOR remove extra opcode, imm size supports 8 bit. * Finally pass the `new [u8]` double-copy test * Fix several ARM reg setup problems Finish Split bypass check ARM: rsp is also a fixed zero, in R31. R0 is a valid register. CallArm prints args, passes TFP for arg selection. Does not return a register. All CallEndARM which DOES return a register. Parms missing tfp for float args. ProjARM after a New missing regs. RetARM missing RPC. Remove hopeful DivIX86 * 64 bit imm for alu ops encoded in extra reg then use it in Op as an operand * Bunch of minor arm, risc fixes small constants not cloning * jump invert encoding * warning comment * Much ARM fixage One More Go-Round with Better Biased Colors Fix bug picking deepest spills to bias. ARM: remove default 2-address. Fix regmask overflow. Rename some ops to be canonical. * Fixes to release Port does not have to be in a Simple named directory. Call convention is just a string, no enum Missed some tests running RISC, ARM. * Minor release change to allow another foreign port * better split encoding and fix CallInMask * notNode * fix callInMask * riscv init * riscv basic ALU ops and types of instructions * Allowing non-Simple repo ports Expanding public API slightly so alternative (non-Simple repo) ports can happen. RegMask supports single-bit-set and a long bitmask. Bugfix GCM splitting multiple global constants. Bugfix LCM grabbing a projection vs multi Bugfix RegAlloc when avoiding splitting a clonable Source code in release More timing in CodeGen * riscv indirect addressing and function calls * Cleanup call ABI presentation Everybody uses the same names, same code shapes * Caller save regs ...not callee save yet * Expose caller save regs * Store Risc adjustments, no imm in MemOpRISC * specific print encoding for cpus * merge fixup * More x86,risc,arm call convention fixes Collect callee and caller save masks (inverts of each other, except for spills). Reorg layout to be closer to each other; remove dead mask definitions; add final keyword * lui fix up with 32 bit immediates * Callee-save registers Callee-save registers and masks and inserting LRGs for same and spilling and picking good spills. Insert CalleeSaveNodes and edges to RetXXXs and RegMasks for those edges. Iterators for regmask. Better printing post-allocation * RegMask supports 128 bits All regs available arm, risc. MergeSort compiles & runs * added flags splitting * Fix risc5 compares No flags on risc5. Branch takes 2 inputs (one can be imm12). Float compare only sets a GPR to 0/1. Bool has a isFloat Common risc5 imm-form handling * extend test cases * imm encoding, flags fixed * grep for Todo: relocs * float riscv fixed * flags for set * lui fix for small bits [0, 12] * arm init * arm last touches * fmov still needs fix * minor fixes * minor fixes(2) * got rid of unnecessary stuff * create ch21 * remove encodings from chapter20 dir * 1/2 pass cleaning up ARM encoding API * ARM encoding compiles * Risc R_TYPE and I_TYPE * Progress RISC encodings Missing lots of stuff still * progress risc encoding * Bring back `make view` * risc encodings compile * Update README.md * Fold up redundant OP/OP-FP risc5 encoding * x86 mem opcodes first cut break out MemOp encodings into parts; change x86 indirectAdr to use Encoding class, remove redundant asserts & code * x86 mem op encodings * x86 reg+imm forms * most reg-reg forms * More x86 encodings * Last few encodings * switch to binary literals over decimals for opcodes * logical immediates fixed, bitwise ops imm forms * tfp and setArm fixed * PC relative float for riscv * readme init * Merged pr/169 * Fixed the array1 test encodings Clean up branch invert logic during BB layout Cleanup branch target printing for RISC,ARM ImmRISC ops mask imm12 to 12 bits Fix NewRISC; hardcode RPC as part of call Fix RISC inverting branchs >,>= * floatarm encoding * tfparm and intarm * uncontional jump encoding for arm and riscv * smarter IntARM, Intx86 does not always include rex. * REX after PREFIX * fixup load and store indirect * updated rex prefix, if its 0x40 then its not needed * Rex fix for floats, got rid of unnecessary stuff. * rename to camel case, better param name * add test export * merged * store opt * store and load optimised forms handled * tfp patch * Store/load float arm/riscv/x64 * got rid of debug print * splits for x86, riscv and arm * readme fixups * Create ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * fix global symbol numbering for constants * ASimpleReply setup * fix TFP pathc on arm and riscv, keep symbols in good order. * fix opcode for store and loads, memOpRisc for Store and splitting * replace hard coded opcodes with major opcodes * Update README.md * replace hard coded opcodes with major opcodes * Fix some formatting (#184) * Fix title in chapter 19 * Wrap nseted scope images onto newlines in chapter 3 * add asserts and fix reg numbering * add asserts and fix reg numbering * minor updates * revert changes * remove constant pool from encoder TODO: add flag for JIT * extend test cases * minor fixes * minor fixes * update float test case * stringHash fix on x64 * remove conditional ConstantPool write * brainfuck minor fixes * minor arm fixes * split fix * brainfuck and fib * brain fuck --------- Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: godalming123 <68993177+godalming123@users.noreply.github.com>
* Math lib by default for CICliff Click2025-04-062-1/+2
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* ignore gcc warning during CICliff Click2025-04-061-2/+2
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* Debug printing for CICliff Click2025-04-061-0/+4
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* Fix sieveCliff Click2025-04-065-13/+13
| | | | | | | | RA returns maxSlot+1 FunX86 prints as `subi`, uses Sub; Ret uses Add X86 knows that always RPC is passed on stack "as if" a stack arg. sieve uses unsigned ints. Driver expects an array pointer
* More encoding bugsCliff Click2025-04-065-64/+70
| | | | | | Stack adjust needs REX. Boolean load/store same as U8 Calling calloc needs size of 1 in RCX, bytes in RDX
* End-to-end testing of x86 encodingCliff Click2025-04-067-23/+139
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* Fix vs0 bugsCliff Click2025-04-053-5/+5
| | | | | Use a BoolNode.NE instead of inverting outputs; the outputs are already matched and cannot be inverted. Use a `swap` not an `invert` when switching sides in a compare.
* Fix elf constantsCliff Click2025-04-054-14/+14
| | | | | Record more relocation info in the machine-specific encodings. Use it when building ELF. Switch to simpler Newtons; some encoding bug in the complex one.
* Ch20 encoding (#194)Tamás Hadházy2025-04-051-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * READMEs * Update README.md * Update README.md * Move printing into print dir * Move codegen into codegen * Framework for Reg Alloc * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * First cut BuildLRG RegMask.EMPTY -> null * fix minor bug * Setup for first simple split * First cut split code for mismatch regs * delete non existing matches * replace RegMask.Empty with null * Live Ranges U-F BuildLRG for Phi Add CmpFX86 * FPR return CallEndX86 needed to tell fp return from gpr ret Call has no output regs. * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * Next cut regalloc Building IFG. Coloring. Some nested spilling Optimize divf/con -> mul times inverse * turn off ch20 tests * Update Chapter20Test.java * RISC-V basic isel (#156) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Bring pr/154 to ch 20 RISC5 changes. Some missing x86 ops. Still needs some calling convention love. * First cut regalloc working Biased coloring; tracking splits around a LRG. Separate split for self-conflicts. postColor to remove junk splits. Some minor riscv fixes. * Compile some riscv codes If SplitEmptyMask does not apply, fall back to normal split. Missing CmpFRISC. Renamed riscv flags. RetRISC handls FPR remove extra RegMask constructurs * add riscv port to readme * arm init * Progress reg alloc Handle multi-node projections. A little smarter about 2-addr scheduling RegAlloc must-have single registers removes from other masks instead of interfering; had the mask removal backwards in a few cases. LRG/RegMask COW expand masks before mutating. Clone small constants instead of spilling. Alloc & ProjX86 get output reg masks. Full print large reg masks with sp+offset * UF LRGs can be null during coloring * Finish UF find * work in progress * README updates * Fix ch19 mis-merge? * x86 call args, risc5 load/store regs * arm2 bs * Push RISC WMASK avoid writing to RSP * work in progress * clearnup arm * Progress calling convention allocations Call unlinks before reg alloc. CallEnd tracks RPC CallX86 requires TFP for correct ABI Bias Color tracks 2-addr. RPC gets a mask/stack-slot Clean up call/fun ABI Fix mask RET, RET_F Fix print stack slot Remove isMultiHead, isMultiTail Better all-asm print * Beef up Newton test * fixed main pr problems * regmask extra comments * Clean pass normal tests New fcn print upgrades several golden rule tests. Move the unlink-all from the walk::err call (which IS used during IterPeeps) to GCM. CallEnd upgrades return type based on constant call. Fix unlink to also unlink CallEnd Constant TFP print checks constant Tested an untested Load * Arm basics, minor changes in riscv (#160) * Initial push Major CodeGen cleanup; most static globals move into the CodeGen object. * Minor progress bug with mutual recursion * Add test from pr#148 * First cut x86 "port" Only "return 0;", no registers, no encoding, but yah gotta start somewhere * Update README.md * Update README.md * Update ListScheduler.java * command line launcher for simple Parser bug fref in args Some new test cases. * Add basic RegMask for more than 64 bits of register mask. Add calling convention basics to X86; con+ret RegMasks. GCM computes CFG for all users. Drop unused MultiUse. Pick up reg-pressure aware ListScheduler. Re-layout CodeGen file to get code & data chunks nearer each other. minor Ary extension * ASM Printer InstSel handles folding 2+ ideal ops into 1 machine op * handle instSel for some control flow Bool,If,CProj,Region,Phi Handle 2-op expansions Shuffle instSel graph walk back again. * Basic if-block inst selects and asm prints * Add mul-by-coinstant to shift * left shift codegen basic * exclude RSP from *write* mask * 2-arg add (not immediate) mul-by-small constant opt. Some utilities. * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * inst select for new struct allocation * Float, bitwise and arithmetic operands codegen x86-64 (#150) * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * Handle first loop Change inst sel walk again to pre-order, to set an early visit bit to stop cycles. CFGNode copies dom/loop info. Cmp not-immediate form. Ret/Fun lazy updates * float ops without imm values * merge * merge * inst select for new struct allocation * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * Remove non-exsting FP+imm ops * left shift codegen basic * sar codegen basic * merge * some basic ops * addf * divf, subf, mulf * rsp allowed in bitwise input, not output * formatting * float ops without imm values * merge * merge * Rebased on ch 19 * Update tests --------- Co-authored-by: Cliff Click <cliffc@acm.org> * cleanup after merge alpha-sort helper fcns implicit test vs zero/null * Add LEA op asm print works on ideal nodes for all tests * Minor cleanup lea * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * x86 addressing modes during inst select Drop New taking inits; just follow with initializing stores. Simplifies inst selelection which otherwise needs to undo this optimization and emit following init stores. Basic load/store for now, op-to-mem comes later add same becomes Shl by 1. Drop DivF-immiedate * call setup * extended ch13, 14,15,16 (#153) * merge2 * merge3 * Fix a few minor fuzzer bugs * Force array layout ld/st get size (but not signed/unsigned) Add unsigned LT for later range checks. * Fix a bunch of float issues was deleting required inputs * simpler invariant defensive copy inputs for simpler invariant in complex sharing patterns inc/dec form (just the opcode now). * Call & CallR X86 instructions * merge2 * Add-from-memory op Remove FP immediate forms. * Remove name from TFP Never shoulda been there (but was convenient for awhile). Moved into FunNode, found by checking the linker table with a TFP. * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI * New (#154) * merge2 * merge3 * GCM for float ops fixed, other cleanup - small extensions * call setup * merge2 * remove debug prints add check for bad call convention fix 3 tests (bad merge?) * cleanup call convention abi Needs more love at some point... * one more cleanup ABI --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Add CmpMem form Common addressing mode print LEA can skip a base * Add a AddFMemX86 A bunch of mem op patterns are missing, hopefully they are just cut-n-paste from the existing patterns. * Docs * XMM reg mask fix Minor README updates * Allow inverted cmp/mem narrowing stores can bypass an AndMask Array length loads do not need control Some missing print info * Support "*ptr op= val" at least for MemAdd * missed golden rule update * Array len is u32 load-after-store zero/sign-extends if the store is truncating * One more missed case * riscv init * added not imm form bitwise shifts and ops plus test cases * addressing modes(high chance it'll get deleted) * fix minor bug * delete non existing matches * replace RegMask.Empty with null * riscv handle store and load, fltRisch uses risc reg now * load float into GPR and then later in RA do hard split. * minor changes * turn off ch20 tests * Update Chapter20Test.java * add riscv port to readme * arm init * work in progress * arm2 bs * work in progress * clearnup arm * fixed main pr problems * regmask extra comments --------- Co-authored-by: Cliff Click <cliffc@acm.org> * Update Chapter20Test.java * Weaken range-check test since no range checks... test cannot fail (pass) * Fix issue #161 Error adding 'null' and '5' * bug fixs, cloning constants Fix bug missing Find. Fix bug setDef does unordered removal from basic blocks. Use cloned constants for spilling. * RA fixes SplitSelfConflict MUST split before uses and after defs. Split global constants across functions Missing find in union; Inserting split after new inserted wrong place Pre-remove null LRGs before color. Bias color hunts through Phis Shorten InstructionSelection. Rename !unified() to leader() AddMemX86 is 2-addr Add CastXXX to preserve register across cast. * encoding init * encoding init 2 * rex fix * indirect addressing modes * setop change opcode, rename FLOAT_OFFSET * mask sib and modrm with 3 bits, 4th bit goes into rex. * sign extend div with cqo * idiv input is fixed to rax and RMASK, grab input from second slot when encoding * encoding of newx86 * tfp and CallEndNode encoding * sib improvement * more cleanups * more cleanups * Allow a killMap to kill regs. Bugfix scheduler. Bugfix spiller - self-conflict order depended on hashtable iteration order, which depended on System.hashCode which would vary run to run. Improvements to coloring Improvements to spill quality testing * Added flags-kill for XOR * Missing add-deps from fuzzer * Update Chapter14Test.java * fixed order of operands * base rex fixup * more bug fix * remove jukn files * minimal "make release" * further fixes * minor fixes * minor fixes * minor fixes * base != -1 check, precedence fix * Add regkills in IFG building Fix bug LRG union stats Adjust self-conflict splits to be slightly less aggressive In every use-side split, dont split-after-split same block. NewNode is a multi, does not define a register * 64 bit encoding for gpr(s) load * RA improvements Attempt to commute to keep reg-masks compatible. Clones with kills (x86 XOR killing flags to zero) fail before the flag-def. Bugfix failed to color last lrg. More smarts on picking trivial LRGs during coloring Drop isSplit, add SplitNode Pass regalloc round to all splits for debugging Self-conflict no split on loop backedge. Handle split that gets made goes dead No-reg-mask spilling handles case with many def/uses. Add DivIX86 BrainFuck, MergeSort now allocate as testing * 8 bit imm support * conditional jump fix * Push l,ast change, unbreak branch * XOR remove extra opcode, imm size supports 8 bit. * Finally pass the `new [u8]` double-copy test * Fix several ARM reg setup problems Finish Split bypass check ARM: rsp is also a fixed zero, in R31. R0 is a valid register. CallArm prints args, passes TFP for arg selection. Does not return a register. All CallEndARM which DOES return a register. Parms missing tfp for float args. ProjARM after a New missing regs. RetARM missing RPC. Remove hopeful DivIX86 * 64 bit imm for alu ops encoded in extra reg then use it in Op as an operand * Bunch of minor arm, risc fixes small constants not cloning * jump invert encoding * warning comment * Much ARM fixage One More Go-Round with Better Biased Colors Fix bug picking deepest spills to bias. ARM: remove default 2-address. Fix regmask overflow. Rename some ops to be canonical. * Fixes to release Port does not have to be in a Simple named directory. Call convention is just a string, no enum Missed some tests running RISC, ARM. * Minor release change to allow another foreign port * better split encoding and fix CallInMask * notNode * fix callInMask * riscv init * riscv basic ALU ops and types of instructions * Allowing non-Simple repo ports Expanding public API slightly so alternative (non-Simple repo) ports can happen. RegMask supports single-bit-set and a long bitmask. Bugfix GCM splitting multiple global constants. Bugfix LCM grabbing a projection vs multi Bugfix RegAlloc when avoiding splitting a clonable Source code in release More timing in CodeGen * riscv indirect addressing and function calls * Cleanup call ABI presentation Everybody uses the same names, same code shapes * Caller save regs ...not callee save yet * Expose caller save regs * Store Risc adjustments, no imm in MemOpRISC * specific print encoding for cpus * merge fixup * More x86,risc,arm call convention fixes Collect callee and caller save masks (inverts of each other, except for spills). Reorg layout to be closer to each other; remove dead mask definitions; add final keyword * lui fix up with 32 bit immediates * Callee-save registers Callee-save registers and masks and inserting LRGs for same and spilling and picking good spills. Insert CalleeSaveNodes and edges to RetXXXs and RegMasks for those edges. Iterators for regmask. Better printing post-allocation * RegMask supports 128 bits All regs available arm, risc. MergeSort compiles & runs * added flags splitting * Fix risc5 compares No flags on risc5. Branch takes 2 inputs (one can be imm12). Float compare only sets a GPR to 0/1. Bool has a isFloat Common risc5 imm-form handling * extend test cases * imm encoding, flags fixed * grep for Todo: relocs * float riscv fixed * flags for set * lui fix for small bits [0, 12] * arm init * arm last touches * fmov still needs fix * minor fixes * minor fixes(2) * got rid of unnecessary stuff * create ch21 * remove encodings from chapter20 dir * 1/2 pass cleaning up ARM encoding API * ARM encoding compiles * Risc R_TYPE and I_TYPE * Progress RISC encodings Missing lots of stuff still * progress risc encoding * Bring back `make view` * risc encodings compile * Update README.md * Fold up redundant OP/OP-FP risc5 encoding * x86 mem opcodes first cut break out MemOp encodings into parts; change x86 indirectAdr to use Encoding class, remove redundant asserts & code * x86 mem op encodings * x86 reg+imm forms * most reg-reg forms * More x86 encodings * Last few encodings * switch to binary literals over decimals for opcodes * logical immediates fixed, bitwise ops imm forms * tfp and setArm fixed * PC relative float for riscv * readme init * Merged pr/169 * Fixed the array1 test encodings Clean up branch invert logic during BB layout Cleanup branch target printing for RISC,ARM ImmRISC ops mask imm12 to 12 bits Fix NewRISC; hardcode RPC as part of call Fix RISC inverting branchs >,>= * floatarm encoding * tfparm and intarm * uncontional jump encoding for arm and riscv * smarter IntARM, Intx86 does not always include rex. * REX after PREFIX * fixup load and store indirect * updated rex prefix, if its 0x40 then its not needed * Rex fix for floats, got rid of unnecessary stuff. * rename to camel case, better param name * add test export * merged * store opt * store and load optimised forms handled * tfp patch * Store/load float arm/riscv/x64 * got rid of debug print * splits for x86, riscv and arm * readme fixups * Create ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * Update ASimpleReply.md * fix global symbol numbering for constants * ASimpleReply setup * fix TFP pathc on arm and riscv, keep symbols in good order. * fix opcode for store and loads, memOpRisc for Store and splitting * replace hard coded opcodes with major opcodes * Update README.md * replace hard coded opcodes with major opcodes * Fix some formatting (#184) * Fix title in chapter 19 * Wrap nseted scope images onto newlines in chapter 3 * add asserts and fix reg numbering * add asserts and fix reg numbering * minor updates * revert changes * remove constant pool from encoder TODO: add flag for JIT * extend test cases * minor fixes * minor fixes * update float test case --------- Co-authored-by: Cliff Click <cliffc@acm.org> Co-authored-by: godalming123 <68993177+godalming123@users.noreply.github.com>
* Add in-memory linkerCliff Click2025-04-052-5/+4
| | | | | Encoding supports writing cpool to either Elf or in memory ElfFile writes constant pool
* Move PORTS into CodeGenCliff Click2025-04-056-54/+46
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* Bug Fix RegAllocCliff Click2025-04-022-2/+2
| | | | | | | RA, self-conflict around backedge of loop predates loop, must still split. Eager splitting here leads to bad allocations, but never splitting is broken. Move building adj lists into IFG from Coalesce. testNewtonFloat not so fragile. Hack around bug SetArm
* parse negative floatsCliff Click2025-04-021-1/+2
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* Stronger inf loop assertCliff Click2025-04-021-1/+1
| | | | | | Handle returning value after inf loop. Loop nesting check does not use depth until after loop tree is built. ASMPrint can be called no machine.
* Fix bug encoded inf loopsCliff Click2025-04-011-1/+1
| | | | | | Assert functions laid out end to end. Fix bug with layout on inf loops. Swap default Never jump order.
* remove debug printCliff Click2025-04-011-1/+0
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* Fix encoding FIBCliff Click2025-03-312-0/+21
| | | | Use common utility for walking CFG chains of empty blocks
* Encode ptr loadsCliff Click2025-03-301-1/+1
| | | | | ptrs become 64b Fix Cmp encoding
* Fix BB layout bugCliff Click2025-03-301-0/+18
| | | | Fix split of popular value bug.
* Split popular constantsCliff Click2025-03-291-3/+3
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generated by cgit v1.2.3 (git 2.25.1) at 2026-10-16 22:46:31 +0000