METEOR_TRUE_FLAGS.sh

#!/bin/bash
# ============================================================================
# INTEL METEOR LAKE ULTIMATE COMPILER FLAGS REFERENCE - ENHANCED EDITION
# Dell Latitude 5450 Covert Edition - Complete Optimization Guide
# Version: ENHANCED v2.1 - December 2024
# KYBERLOCK Research Division - Tactical Computing
# Engineering Sample A00 | 9-Layer Flex Fabric | OpenVINO Integration
# ============================================================================

# ============================================================================
# SYSTEM SPECIFICATIONS - DELL LATITUDE 5450 COVERT EDITION
# ============================================================================
# CPU: Intel(R) Core(TM) Ultra 7 165H (Engineering Sample A00)
# Architecture: Meteor Lake (Family 6 Model 170 Stepping 4)
# Cores: 16 (6P + 10E) - Hybrid Architecture
# GPU: Intel Arc Graphics (Xe-LPG, 128 EUs)
# NPU: VPU 3720 (2 Neural Compute Engines) - Base Layer
# 
# FLEX FABRIC ACCELERATOR STACK (9 Layers):
#   Theoretical Combined: 1440 TOPS
#   Interface: OpenVINO Unified Runtime
#   Fallback: Graceful degradation through compute tiers
#
# CACHE HIERARCHY:
#   L1 Data (P-core): 48KB per core
#   L2 Cache (P-core): 2MB per core  
#   L1 Data (E-core): 32KB per core
#   L2 Cache (E-cluster): 4MB shared
# ============================================================================

# ============================================================================
# ENHANCEMENT CHANGELOG v2.0
# ============================================================================
# NEW ISA Extensions Added:
#   - AVX-IFMA (Integer Fused Multiply-Add)
#   - AVX-NE-CONVERT (Neural Engine Convert)
#   - AVX-VNNI-INT8 (8-bit VNNI)
#   - CMPCCXADD (Compare and Conditional Add)
#   - RAO-INT (Remote Atomic Operations)
#   - PREFETCHI (Instruction Prefetch)
#   - HRESET (History Reset)
#   - Key Locker (KL/WIDEKL)
#   - PKU (Protection Keys)
#   - PTWRITE (Processor Trace)
#   - RDPID (Read Processor ID)
#   - PCONFIG (Platform Configuration)
#   - ENQCMD (Enqueue Command)
#   - AMX Support (Engineering Sample)
#
# NEW Optimizations Added:
#   - Interprocedural Analysis (IPA) suite
#   - Advanced scheduling optimizations
#   - Cache-tuned parameters for Meteor Lake
#   - Polly polyhedral optimizer (Clang)
#   - Enhanced Rust target features
#
# Fixes:
#   - Removed deprecated -mcpu (use -mtune)
#   - Added missing ISA extensions
# ============================================================================

# ============================================================================
# SECTION 1: BASE OPTIMIZATION FLAGS (ENHANCED)
# ============================================================================

# Maximum Performance Base - Enhanced with additional optimizations
export CFLAGS_BASE="\
-O3 \
-pipe \
-fomit-frame-pointer \
-funroll-loops \
-fstrict-aliasing \
-fno-plt \
-fdata-sections \
-ffunction-sections \
-flto=auto \
-fuse-linker-plugin \
-fgraphite-identity \
-floop-nest-optimize \
-ftree-vectorize \
-ftree-slp-vectorize \
-fipa-pta \
-fipa-cp-clone \
-fdevirtualize-speculatively \
-fdevirtualize-at-ltrans \
-fipa-ra \
-fipa-sra \
-fipa-vrp"

# Architecture Specific
export ARCH_FLAGS="-march=meteorlake -mtune=meteorlake"

# Alternative if meteorlake not recognized (GCC < 13)
export ARCH_FLAGS_FALLBACK="-march=alderlake -mtune=alderlake"

# Native detection fallback
export ARCH_FLAGS_NATIVE="-march=native -mtune=native"

# ============================================================================
# SECTION 2: INSTRUCTION SET EXTENSIONS - COMPLETE & ENHANCED
# ============================================================================

# Core x86-64 Features
export ISA_BASELINE="-msse -msse2 -msse3 -mssse3 -msse4 -msse4.1 -msse4.2"

# Advanced Vector Extensions
export ISA_AVX="-mavx -mavx2 -mf16c -mfma"

# AI/ML Acceleration - ENHANCED for Meteor Lake
export ISA_VNNI="-mavxvnni -mavxvnniint8"

# NEW: AVX Integer/Convert Extensions (Meteor Lake specific)
export ISA_AVX_EXTENDED="-mavxifma -mavxneconvert"

# Bit Manipulation
export ISA_BMI="-mbmi -mbmi2 -mlzcnt -mpopcnt"

# Cryptographic Acceleration - ENHANCED
export ISA_CRYPTO="-maes -mvaes -mpclmul -mvpclmulqdq -msha -mgfni"

# NEW: Key Locker (Hardware Key Protection)
export ISA_KEYLOCKER="-mkl -mwidekl"

# Memory & Cache Operations
export ISA_MEMORY="-mmovbe -mmovdiri -mmovdir64b -mclflushopt -mclwb -mcldemote"

# Advanced Features - ENHANCED
export ISA_ADVANCED="-madx -mrdrnd -mrdseed -mfsgsbase -mfxsr -mxsave -mxsaveopt -mxsavec -mxsaves -minvpcid -mlahf-sa"

# NEW: Additional Meteor Lake Features
export ISA_METEOR_LAKE="-mhreset -mpku -mptwrite -mrdpid -mpconfig -menqcmd -mprefetchi"

# NEW: Atomic Operations
export ISA_ATOMIC="-mcmpccxadd -mraoint"

# Prefetch Instructions (removed -mprefetchwt1 - requires AVX512PF)
export ISA_PREFETCH="-mprefetchw -mprfchw"

# Control Flow
export ISA_CONTROL="-mwaitpkg -muintr -mserialize -mtsxldtrk"

# CET (Control-flow Enforcement Technology)
export ISA_CET="-mshstk -mibt"
# Note: -mcet is deprecated, use -fcf-protection instead

# ============================================================================
# SECTION 2.5: AMX EXTENSIONS (ENGINEERING SAMPLE A00)
# ============================================================================
# These may only be available on engineering samples / dev boards
# Comment out if your production chip doesn't support them

export ISA_AMX="\
-mamx-tile \
-mamx-int8 \
-mamx-bf16 \
-mamx-fp16 \
-mamx-complex"

# ============================================================================
# SECTION 2.6: OPENVINO / FLEX FABRIC INTEGRATION
# ============================================================================
# The 9-layer flex fabric (1440 TOPS theoretical) is accessed via OpenVINO
# These settings optimize CPU-side code that interfaces with the accelerators

# OpenVINO Environment (set paths when OpenVINO is installed)
export_openvino_env() {
    local OPENVINO_ROOT="${INTEL_OPENVINO_DIR:-/opt/intel/openvino}"
    
    if [[ -d "$OPENVINO_ROOT" ]]; then
        source "$OPENVINO_ROOT/setupvars.sh" 2>/dev/null
        export OV_AVAILABLE=1
        echo "✓ OpenVINO environment loaded from $OPENVINO_ROOT"
    else
        export OV_AVAILABLE=0
        echo "⚠ OpenVINO not found - CPU fallback active"
    fi
}

# OpenVINO Device Priority (graceful fallback order)
# Flex fabric layers -> NPU -> GPU -> CPU
export OV_DEVICE_PRIORITY="HETERO:NPU,GPU,CPU"
export OV_CPU_THROUGHPUT_STREAMS="AUTO"
export OV_CPU_THREADS_NUM="6"
export OV_CPU_BIND_THREAD="YES"
export OV_CPU_DENORMALS_OPTIMIZATION="YES"

# NPU-specific settings (VPU 3720 base + flex fabric)
export NPU_COMPILER_TYPE="DRIVER"
export NPU_COMPILATION_MODE_PARAMS="optimization-level=2"
export NPU_DMA_ENGINES="2"
export NPU_TILES="2"

# Flex Fabric Hints (proprietary - adjust based on workload)
export FLEX_FABRIC_LAYERS="9"
export FLEX_FABRIC_MAX_TOPS="1440"
export FLEX_FABRIC_FALLBACK="graceful"

# Compiler flags for OpenVINO-optimized CPU fallback code
export CFLAGS_OPENVINO="\
-DENABLE_OPENVINO=1 \
-DENABLE_VNNI=1 \
-DENABLE_AVX2=1 \
-DENABLE_FP16=1 \
-march=meteorlake \
-mavxvnni \
-mavxvnniint8 \
-mavxifma \
-mf16c"

# Include paths for OpenVINO (when available)
export OPENVINO_INCLUDES="-I\${INTEL_OPENVINO_DIR}/runtime/include"
export OPENVINO_LIBS="-L\${INTEL_OPENVINO_DIR}/runtime/lib/intel64 -lopenvino -lopenvino_c"

# ============================================================================
# SECTION 3: COMPLETE OPTIMAL FLAGS - TIER 1 ENHANCED
# ============================================================================

# NOTE: Many flags from /proc/cpuinfo are not compiler options,
# or are already enabled by default or by other flags (e.g. -march=native).
# The flags below are a curated list of performance-relevant ISA extensions.

export CFLAGS_OPTIMAL="\
-O3 \
-pipe \
-fomit-frame-pointer \
-funroll-loops \
-fstrict-aliasing \
-fno-plt \
-fdata-sections \
-ffunction-sections \
-flto=auto \
-fuse-linker-plugin \
-march=meteorlake \
-mtune=meteorlake \
-msse4.2 \
-mpopcnt \
-mavx \
-mavx2 \
-mfma \
-mf16c \
-mbmi \
-mbmi2 \
-mlzcnt \
-mmovbe \
-mavxvnni \
-mavxvnniint8 \
-mavxifma \
-mavxneconvert \
-maes \
-mvaes \
-mpclmul \
-mvpclmulqdq \
-msha \
-mgfni \
-mkl \
-mwidekl \
-madx \
-mclflushopt \
-mclwb \
-mcldemote \
-mmovdiri \
-mmovdir64b \
-mwaitpkg \
-mserialize \
-mtsxldtrk \
-muintr \
-mprefetchw \
-mprfchw \
-mprefetchi \
-mrdrnd \
-mrdseed \
-mfsgsbase \
-mfxsr \
-mxsave \
-mxsaveopt \
-mxsavec \
-mxsaves \
-mhreset \
-mpku \
-mptwrite \
-mrdpid \
-mpconfig \
-menqcmd \
-mcmpccxadd \
-mraoint \
-mshstk \
-mibt \
-minvpcid \
-mlahf-sa"

# Engineering Sample with AMX
export CFLAGS_OPTIMAL_AMX="$CFLAGS_OPTIMAL $ISA_AMX"

# ============================================================================
# SECTION 4: ADVANCED OPTIMIZATION FLAGS (NEW)
# ============================================================================

# Interprocedural Analysis Suite
export IPA_FLAGS="\
-fipa-pta \
-fipa-cp-clone \
-fipa-ra \
-fipa-sra \
-fipa-vrp \
-fdevirtualize-speculatively \
-fdevirtualize-at-ltrans"

# Scheduling Optimizations
export SCHED_FLAGS="\
-fsched-pressure \
-fsched-spec-load \
-fmodulo-sched \
-fmodulo-sched-allow-regmoves"

# Loop Optimizations - Enhanced
export LOOP_FLAGS="\
-ftree-loop-im \
-ftree-loop-distribution \
-ftree-loop-distribute-patterns \
-ftree-loop-vectorize \
-floop-nest-optimize"

# Code Generation Optimizations
export CODEGEN_FLAGS="\
-fgcse-after-reload \
-fpredictive-commoning \
-ftree-partial-pre \
-ftracer \
-fsplit-paths \
-fprefetch-loop-arrays"

# ============================================================================
# SECTION 5: CACHE TUNING PARAMETERS (NEW - Meteor Lake Specific)
# ============================================================================

# Meteor Lake P-core cache hierarchy
export CACHE_PARAMS_PCORE="\
--param l1-cache-size=48 \
--param l1-cache-line-size=64 \
--param l2-cache-size=2048"

# Prefetch tuning for Meteor Lake
export PREFETCH_PARAMS="\
--param prefetch-latency=300 \
--param simultaneous-prefetches=6 \
--param prefetch-min-insn-to-mem-ratio=3"

# Combined cache parameters
export CACHE_PARAMS="$CACHE_PARAMS_PCORE $PREFETCH_PARAMS"

# ============================================================================
# SECTION 6: PERFORMANCE PROFILES - ENHANCED
# ============================================================================

# PROFILE: Maximum Speed (No Safety) - Enhanced
export CFLAGS_SPEED="\
-Ofast \
-ffast-math \
-funsafe-math-optimizations \
-ffinite-math-only \
-fno-signed-zeros \
-fno-trapping-math \
-frounding-math \
-fsingle-precision-constant \
-fcx-limited-range \
$CFLAGS_OPTIMAL \
$IPA_FLAGS \
$SCHED_FLAGS \
$LOOP_FLAGS \
$CODEGEN_FLAGS \
$CACHE_PARAMS"

# PROFILE: Balanced Performance - Enhanced
export CFLAGS_BALANCED="\
-O2 \
-ftree-vectorize \
$ARCH_FLAGS \
$ISA_AVX \
$ISA_CRYPTO \
$IPA_FLAGS \
-pipe"

# PROFILE: Size Optimized
export CFLAGS_SIZE="-Os -fomit-frame-pointer -finline-limit=8 $ARCH_FLAGS $ISA_BASELINE"

# PROFILE: Debug Build - Enhanced
export CFLAGS_DEBUG="\
-Og \
-g3 \
-ggdb \
-fno-omit-frame-pointer \
-fno-inline \
-fstack-protector-all \
-fsanitize=address,undefined \
-D_DEBUG \
$ARCH_FLAGS"

# ============================================================================
# SECTION 7: INLINING PARAMETERS - ENHANCED
# ============================================================================

export INLINE_PARAMS="\
--param max-inline-insns-single=1000 \
--param max-inline-insns-auto=200 \
--param inline-unit-growth=200 \
--param large-function-growth=400 \
--param large-function-insns=3000"

# Aggressive Inlining
export INLINE_FLAGS="\
-finline-functions \
-finline-functions-called-once \
-finline-limit=1000 \
-finline-small-functions \
$INLINE_PARAMS"

# ============================================================================
# SECTION 8: VECTORIZATION TUNING - ENHANCED
# ============================================================================

export VECTORIZE="\
-ftree-vectorize \
-ftree-slp-vectorize \
-ftree-loop-vectorize \
-fvect-cost-model=unlimited \
-fsimd-cost-model=unlimited"

# Unrolling parameters
export UNROLL_PARAMS="\
--param max-unrolled-insns=400 \
--param max-average-unrolled-insns=200"

# ============================================================================
# SECTION 9: LINK-TIME OPTIMIZATION - ENHANCED
# ============================================================================

export LDFLAGS_BASE="\
-Wl,--as-needed \
-Wl,--gc-sections \
-Wl,-O2 \
-Wl,--hash-style=gnu \
-Wl,--sort-common \
-Wl,--enable-new-dtags"

export LDFLAGS_LTO="\
-flto=auto \
-fuse-linker-plugin \
-Wl,-flto \
-flto-partition=balanced \
-fno-fat-lto-objects"

export LDFLAGS_OPTIMAL="$LDFLAGS_BASE $LDFLAGS_LTO"

# Gold Linker Optimizations (faster than ld)
export LDFLAGS_GOLD="-fuse-ld=gold -Wl,--icf=all"

# MOLD Linker (Fastest - install separately)
export LDFLAGS_MOLD="-fuse-ld=mold -Wl,--threads=16"

# LLD Linker (LLVM)
export LDFLAGS_LLD="-fuse-ld=lld"

# ============================================================================
# SECTION 10: SECURITY HARDENED FLAGS - ENHANCED
# ============================================================================

export CFLAGS_SECURITY="\
-D_FORTIFY_SOURCE=3 \
-fstack-protector-strong \
-fstack-clash-protection \
-fcf-protection=full \
-fpie \
-fPIC \
-Wformat \
-Wformat-security \
-Werror=format-security \
-mindirect-branch=thunk \
-mfunction-return=thunk \
-mindirect-branch-register \
-fharden-compares \
-fharden-conditional-branches \
-ftrivial-auto-var-init=zero"

export LDFLAGS_SECURITY="\
-Wl,-z,relro \
-Wl,-z,now \
-Wl,-z,noexecstack \
-Wl,-z,separate-code \
-pie"

# ============================================================================
# SECTION 11: KERNEL COMPILATION FLAGS - ENHANCED
# ============================================================================

export KCFLAGS="\
-O3 \
-pipe \
-march=meteorlake \
-mtune=meteorlake \
-msse4.2 \
-mpopcnt \
-mavx \
-mavx2 \
-mfma \
-mavxvnni \
-mavxvnniint8 \
-maes \
-mvaes \
-mpclmul \
-mvpclmulqdq \
-msha \
-mgfni \
-falign-functions=64 \
-falign-jumps=64 \
-falign-loops=64 \
-falign-labels=64 \
$CACHE_PARAMS"

export KCPPFLAGS="$KCFLAGS"

# Kernel Make Variables
export KBUILD_BUILD_HOST="kyberlock"
export KBUILD_BUILD_USER="tactical"
export KBUILD_CFLAGS_KERNEL="$KCFLAGS"
export KBUILD_AFLAGS_KERNEL="$KCFLAGS"

# ============================================================================
# SECTION 12: PROFILE-GUIDED OPTIMIZATION - ENHANCED
# ============================================================================

# Profile-Guided Optimization Stage 1
export PGO_GEN="-fprofile-generate -fprofile-arcs -ftest-coverage -fprofile-update=atomic"

# Profile-Guided Optimization Stage 2
export PGO_USE="-fprofile-use -fprofile-correction -fbranch-probabilities -fvpt -fprofile-values"

# AutoFDO (for perf-collected profiles)
export AUTOFDO_USE="-fauto-profile"

# ============================================================================
# SECTION 13: GRAPHITE LOOP OPTIMIZATIONS - ENHANCED
# ============================================================================

export GRAPHITE="\
-fgraphite \
-fgraphite-identity \
-floop-nest-optimize \
-floop-parallelize-all \
-ftree-loop-linear \
-floop-strip-mine \
-floop-block"

# ============================================================================
# SECTION 14: CLANG/LLVM SPECIFIC FLAGS - ENHANCED
# ============================================================================

# Clang basic optimizations
export CLANG_FLAGS="\
-mllvm -inline-threshold=1000 \
-mllvm -unroll-threshold=1000 \
-mllvm -vectorize-loops \
-mllvm -vectorize-slp"

# Clang GVN optimizations
export CLANG_GVN="\
-mllvm -enable-gvn-hoist \
-mllvm -enable-gvn-sink"

# Clang loop optimizations
export CLANG_LOOPS="\
-mllvm -enable-loop-flatten \
-mllvm -enable-nontrivial-unswitch"

# Polly Polyhedral Optimizer (powerful loop optimizer)
export CLANG_POLLY="\
-mllvm -polly \
-mllvm -polly-vectorizer=stripmine \
-mllvm -polly-parallel \
-mllvm -polly-omp-backend=LLVM \
-mllvm -polly-num-threads=6 \
-mllvm -polly-tiling \
-mllvm -polly-prevect-width=8"

# Hot/Cold code splitting
export CLANG_SPLIT="-mllvm -hot-cold-split"

# Combined Clang optimal
export CLANG_OPTIMAL="$CLANG_FLAGS $CLANG_GVN $CLANG_LOOPS $CLANG_SPLIT"

# Combined with Polly
export CLANG_OPTIMAL_POLLY="$CLANG_OPTIMAL $CLANG_POLLY"

# ============================================================================
# SECTION 15: PARALLELIZATION & THREADING - ENHANCED
# ============================================================================

# OpenMP Flags
export OPENMP_FLAGS="-fopenmp -fopenmp-simd"

# Threading Optimizations
export THREAD_FLAGS="-pthread -D_REENTRANT -D_THREAD_SAFE"

# Parallel STL (C++17)
export PSTL_FLAGS="-ltbb -DPSTL_USE_PARALLEL_POLICIES=1"

# CPU Affinity for P-cores (Meteor Lake: 6 P-cores)
export GOMP_CPU_AFFINITY="0-5"
export OMP_NUM_THREADS="6"
export OMP_PROC_BIND="true"
export OMP_PLACES="cores"

# For all cores (P + E)
export GOMP_CPU_AFFINITY_ALL="0-15"
export OMP_NUM_THREADS_ALL="16"

# ============================================================================
# SECTION 16: MATHEMATICS & NUMERICAL - ENHANCED
# ============================================================================

# Fast Math (breaks IEEE compliance)
export MATH_FAST="\
-ffast-math \
-funsafe-math-optimizations \
-fassociative-math \
-freciprocal-math \
-ffinite-math-only \
-fno-signed-zeros \
-fno-trapping-math"

# Safe Math Optimizations (IEEE compliant)
export MATH_SAFE="\
-fno-math-errno \
-fno-trapping-math"

# Intel MKL Integration
export MKL_FLAGS="-DMKL_ILP64 -m64 -I${MKLROOT}/include"
export MKL_LIBS="-L${MKLROOT}/lib/intel64 -lmkl_intel_ilp64 -lmkl_intel_thread -lmkl_core -liomp5 -lpthread -lm -ldl"

# ============================================================================
# SECTION 17: MEMORY OPTIMIZATION - ENHANCED
# ============================================================================

# Memory Alignment (64-byte for cache lines)
export ALIGN_FLAGS="\
-falign-functions=64 \
-falign-jumps=64 \
-falign-loops=64 \
-falign-labels=64"

# Stack Optimization
export STACK_FLAGS="-mpreferred-stack-boundary=5 -maccumulate-outgoing-args"

# Malloc Optimization (for custom allocators)
export MALLOC_FLAGS="-fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"

# Memory Settings
export MALLOC_ARENA_MAX="4"
export MALLOC_MMAP_THRESHOLD_="131072"
export MALLOC_TRIM_THRESHOLD_="131072"
export MALLOC_TOP_PAD_="131072"
export MALLOC_MMAP_MAX_="65536"

# ============================================================================
# SECTION 18: LANGUAGE-SPECIFIC FLAGS - ENHANCED
# ============================================================================

# C++ Optimizations
export CXXFLAGS_OPTIMAL="$CFLAGS_OPTIMAL -std=c++23 -fcoroutines -fconcepts -fmodules-ts"

# Fortran Optimizations
export FFLAGS_OPTIMAL="$CFLAGS_OPTIMAL -fdefault-real-8 -fdefault-integer-8"

# Rust Integration - ENHANCED for Meteor Lake
export RUSTFLAGS="\
-C target-cpu=meteorlake \
-C opt-level=3 \
-C lto=fat \
-C embed-bitcode=yes \
-C codegen-units=1 \
-C target-feature=+avx2,+fma,+aes,+vaes,+pclmul,+vpclmulqdq,+sha,+gfni,+avxvnni,+avxvnniint8,+avxifma,+avxneconvert"

# Rust with AMX (Engineering Sample)
export RUSTFLAGS_AMX="$RUSTFLAGS,+amx-tile,+amx-int8,+amx-bf16,+amx-fp16,+amx-complex"

# ============================================================================
# SECTION 19: GCC 13+ SPECIFIC FLAGS
# ============================================================================

export GCC13_FLAGS="\
-std=gnu2x \
-fharden-compares \
-fharden-conditional-branches \
-ftrivial-auto-var-init=zero"

# Analyzer (for static analysis builds)
export GCC_ANALYZER="-fanalyzer"

# ============================================================================
# SECTION 20: BUILD SYSTEM EXPORTS
# ============================================================================

# CMake
export CMAKE_C_FLAGS="$CFLAGS_OPTIMAL"
export CMAKE_CXX_FLAGS="$CXXFLAGS_OPTIMAL"
export CMAKE_EXE_LINKER_FLAGS="$LDFLAGS_OPTIMAL"
export CMAKE_SHARED_LINKER_FLAGS="$LDFLAGS_OPTIMAL"
export CMAKE_MODULE_LINKER_FLAGS="$LDFLAGS_OPTIMAL"

# Autotools / Standard
export CFLAGS="$CFLAGS_OPTIMAL"
export CXXFLAGS="$CXXFLAGS_OPTIMAL"
export LDFLAGS="$LDFLAGS_OPTIMAL"

# ============================================================================
# SECTION 21: COMPLETE MEGA FLAGS (ALL OPTIMIZATIONS)
# ============================================================================

export CFLAGS_MEGA="\
$CFLAGS_OPTIMAL \
$IPA_FLAGS \
$SCHED_FLAGS \
$LOOP_FLAGS \
$CODEGEN_FLAGS \
$VECTORIZE \
$INLINE_FLAGS \
$ALIGN_FLAGS \
$CACHE_PARAMS \
$INLINE_PARAMS \
$UNROLL_PARAMS"

# With math optimizations
export CFLAGS_MEGA_FAST="$CFLAGS_MEGA $MATH_FAST"

# Engineering sample with AMX
export CFLAGS_MEGA_AMX="$CFLAGS_MEGA $ISA_AMX"

# ============================================================================
# SECTION 22: WARNING FLAGS (PRODUCTION)
# ============================================================================

export WARN_FLAGS="\
-Wall \
-Wextra \
-Wpedantic \
-Wformat=2 \
-Wformat-security \
-Wnull-dereference \
-Wstack-protector \
-Wtrampolines \
-Walloca \
-Wvla \
-Warray-bounds=2 \
-Wimplicit-fallthrough=3 \
-Wshift-overflow=2 \
-Wcast-qual \
-Wstringop-overflow=4 \
-Wconversion \
-Wlogical-op \
-Wduplicated-cond \
-Wduplicated-branches \
-Wformat-signedness \
-Wshadow \
-Wstrict-overflow=4 \
-Wundef \
-Wstrict-prototypes \
-Wswitch-default \
-Wswitch-enum \
-Wstack-usage=1000000 \
-Wcast-align=strict"

# ============================================================================
# SECTION 23: TOOLCHAIN SETUP
# ============================================================================

# Set all optimal flags
export CC="gcc-13"
export CXX="g++-13"
export AR="gcc-ar"
export NM="gcc-nm"
export RANLIB="gcc-ranlib"

# Alternative: Clang toolchain
setup_clang() {
    export CC="clang"
    export CXX="clang++"
    export AR="llvm-ar"
    export NM="llvm-nm"
    export RANLIB="llvm-ranlib"
}

# ============================================================================
# SECTION 24: USAGE FUNCTIONS - ENHANCED
# ============================================================================

# Function to compile with optimal flags
compile_optimal() {
    gcc $CFLAGS_OPTIMAL "$@" $LDFLAGS_OPTIMAL
}

# Function to compile with mega flags
compile_mega() {
    gcc $CFLAGS_MEGA "$@" $LDFLAGS_OPTIMAL
}

# Function to compile with AMX (engineering sample)
compile_amx() {
    gcc $CFLAGS_MEGA_AMX "$@" $LDFLAGS_OPTIMAL
}

# Function to compile kernel
compile_kernel() {
    make -j16 KCFLAGS="$KCFLAGS" KCPPFLAGS="$KCPPFLAGS" "$@"
}

# Function to compile with Clang + Polly
compile_clang_polly() {
    clang -march=meteorlake -O3 $CLANG_OPTIMAL_POLLY "$@" $LDFLAGS_OPTIMAL
}

# Function to compile with PGO (2-stage)
compile_pgo() {
    local src="$1"
    local out="${2:-${src%.*}}"
    
    echo "[PGO] Stage 1: Generating profile..."
    gcc $CFLAGS_OPTIMAL $PGO_GEN -o "${out}_gen" "$src" $LDFLAGS_OPTIMAL
    
    echo "[PGO] Running instrumented binary (use typical workload)..."
    ./"${out}_gen"
    
    echo "[PGO] Stage 2: Building with profile..."
    gcc $CFLAGS_OPTIMAL $PGO_USE -o "$out" "$src" $LDFLAGS_OPTIMAL
    
    echo "[PGO] Cleanup..."
    rm -f "${out}_gen" *.gcda *.gcno
    
    echo "[PGO] Done! Binary: $out"
}

# ============================================================================
# SECTION 25: VERIFICATION & TESTING
# ============================================================================

# Show current flags
show_flags() {
    echo "╔══════════════════════════════════════════════════════════════════════════╗"
    echo "║  INTEL METEOR LAKE OPTIMIZATION FLAGS - ENHANCED EDITION                ║"
    echo "║  CPU: Intel Core Ultra 7 165H | Engineering Sample A00                  ║"
    echo "╚══════════════════════════════════════════════════════════════════════════╝"
    echo ""
    echo "=== OPTIMAL FLAGS ==="
    echo "$CFLAGS_OPTIMAL" | tr ' ' '\n' | grep -v '^$' | head -20
    echo "... ($(echo "$CFLAGS_OPTIMAL" | wc -w) total flags)"
    echo ""
    echo "=== MEGA FLAGS ==="
    echo "$(echo "$CFLAGS_MEGA" | wc -w) optimization flags loaded"
    echo ""
    echo "=== NEW IN v2.0 ==="
    echo "  ISA: avxifma, avxneconvert, avxvnniint8, cmpccxadd, raoint"
    echo "  ISA: hreset, kl, widekl, pku, ptwrite, rdpid, pconfig, enqcmd, prefetchi"
    echo "  OPT: ipa-pta, ipa-cp-clone, devirtualize-speculatively, sched-pressure"
    echo "  OPT: gscse-after-reload, predictive-commoning, modulo-sched, prefetch-loop-arrays"
    echo "  AMX: tile, int8, bf16, fp16, complex (engineering sample)"
}

# Test flags work
test_flags() {
    echo "Testing CFLAGS_OPTIMAL..."
    if echo 'int main(){return 0;}' | gcc -xc $CFLAGS_OPTIMAL - -o /tmp/test_optimal 2>&1; then
        echo "✓ CFLAGS_OPTIMAL verified working!"
        rm -f /tmp/test_optimal
    else
        echo "✗ CFLAGS_OPTIMAL failed"
        return 1
    fi
    
    echo "Testing CFLAGS_MEGA..."
    if echo 'int main(){return 0;}' | gcc -xc $CFLAGS_MEGA - -o /tmp/test_mega 2>&1; then
        echo "✓ CFLAGS_MEGA verified working!"
        rm -f /tmp/test_mega
    else
        echo "✗ CFLAGS_MEGA failed"
        return 1
    fi
    
    echo "Testing AMX flags..."
    if echo 'int main(){return 0;}' | gcc -xc -march=meteorlake $ISA_AMX - -o /tmp/test_amx 2>&1; then
        echo "✓ AMX flags verified working!"
        rm -f /tmp/test_amx
    else
        echo "⚠ AMX flags not available (production chip)"
    fi
}

# Verify all ISA extensions
test_isa() {
    echo "=== ISA Extension Verification ==="
    local flags=(
        "-mavxifma:AVX-IFMA"
        "-mavxneconvert:AVX-NE-CONVERT"
        "-mavxvnniint8:AVX-VNNI-INT8"
        "-mcmpccxadd:CMPCCXADD"
        "-mraoint:RAO-INT"
        "-mprefetchi:PREFETCHI"
        "-mhreset:HRESET"
        "-mkl:Key Locker"
        "-mwidekl:Wide Key Locker"
        "-mpku:PKU"
        "-mptwrite:PTWRITE"
        "-mrdpid:RDPID"
        "-mpconfig:PCONFIG"
        "-menqcmd:ENQCMD"
        "-mamx-tile:AMX-TILE"
        "-mamx-int8:AMX-INT8"
        "-mamx-bf16:AMX-BF16"
    )
    
    for item in "${flags[@]}"; do
        flag="${item%%:*}"
        name="${item##*:}"
        if echo 'int main(){return 0;}' | gcc -xc -march=meteorlake $flag - -o /dev/null 2>/dev/null; then
            echo "  ✓ $name ($flag)"
        else
            echo "  ✗ $name ($flag)"
        fi
    done
}

# ============================================================================
# SECTION 26: QUICK REFERENCE
# ============================================================================

print_quick_ref() {
    cat << 'EOF'
╔══════════════════════════════════════════════════════════════════════════════╗
║                    METEOR LAKE QUICK REFERENCE                               ║
╠══════════════════════════════════════════════════════════════════════════════╣
║  COMPILE COMMANDS:                                                           ║
║    compile_optimal file.c     - Build with optimal flags                     ║
║    compile_mega file.c        - Build with all optimizations                 ║
║    compile_amx file.c         - Build with AMX (eng sample)                  ║
║    compile_clang_polly file.c - Build with Clang + Polly optimizer          ║
║    compile_pgo file.c         - Build with Profile-Guided Optimization      ║
║                                                                              ║
║  MANUAL BUILD:                                                               ║
║    gcc $CFLAGS_OPTIMAL -o app app.c $LDFLAGS_OPTIMAL                        ║
║    gcc $CFLAGS_MEGA -o app app.c $LDFLAGS_OPTIMAL                           ║
║    clang -march=meteorlake $CLANG_OPTIMAL_POLLY -o app app.c                ║
║                                                                              ║
║  KERNEL BUILD:                                                               ║
║    make -j16 KCFLAGS="$KCFLAGS"                                             ║
║                                                                              ║
║  RUST BUILD:                                                                 ║
║    RUSTFLAGS="$RUSTFLAGS" cargo build --release                             ║
║                                                                              ║
║  VERIFY:                                                                     ║
║    show_flags    - Display all flag sets                                     ║
║    test_flags    - Verify flags compile                                      ║
║    test_isa      - Check ISA extension support                               ║
╚══════════════════════════════════════════════════════════════════════════════╝
EOF
}

# ============================================================================
# ACTIVATION
# ============================================================================

echo "╔══════════════════════════════════════════════════════════════════════════╗"
echo "║  INTEL METEOR LAKE OPTIMIZATION FLAGS - ENHANCED v2.0                   ║"
echo "║  CPU: Intel Core Ultra 7 165H | 6P+10E | Arc Graphics | NPU 3720        ║"
echo "║  Engineering Sample A00 - Additional Features Enabled                   ║"
echo "╚══════════════════════════════════════════════════════════════════════════╝"
echo ""
echo "NEW in v2.0:"
echo "  • AVX-IFMA, AVX-NE-CONVERT, AVX-VNNI-INT8 for AI/ML acceleration"
echo "  • CMPCCXADD, RAO-INT for advanced atomics"
echo "  • Key Locker (KL/WIDEKL) for hardware-protected crypto"
echo "  • AMX support (engineering sample): tile, int8, bf16, fp16, complex"
echo "  • Clang Polly polyhedral optimizer integration"
echo "  • Cache-tuned parameters for Meteor Lake hierarchy"
echo "  • Enhanced IPA, scheduling, and loop optimizations"
echo ""
echo "Commands: show_flags | test_flags | test_isa | print_quick_ref"
echo ""