mkdir -p $out

cp -R ${asm}/lib/sarcasm sarcasm

cp ${./sarcasm-zstd.luau} parser-test.luau

${asm.minilute}/bin/minilute parser-test.luau

${cc} -O2 ${./sarcasm-zstd.c} ${./sarcasm-zstd.s} -o access-test

./access-test

for mode in load-oob store-oob readonly pointer-alignment; do

if ./access-test "$mode" > "$out/$mode.log" 2>&1; then

echo "expected access failure: $mode" >&2

exit 1

fi

grep 'filc safety error' "$out/$mode.log"

done

grep 'alignment requirement' "$out/pointer-alignment.log"

cp ${zstd.src}/lib/decompress/huf_decompress_amd64.S .

chmod u+w huf_decompress_amd64.S

${pkgs.patch}/bin/patch -p3 < ${../patches/zstd-sarcasm.patch}

${cc} -O2 -c -I${zstd.src}/lib/decompress huf_decompress_amd64.S -o huf.o

${cc} -O2 -ffunction-sections -fdata-sections -Wl,--gc-sections \

-I${zstd.src}/lib/decompress ${./zstd-sarcasm-loops.c} huf.o -o loops

./loops

for mode in null oob store; do

for decoder in 1 2; do

if ./loops "$mode" "$decoder" > "$out/$mode-$decoder.log" 2>&1; then

echo "expected decoder failure: $mode $decoder" >&2

exit 1

fi

grep 'filc safety error' "$out/$mode-$decoder.log"

grep "HUF_decompress4X$decoder.*fast_asm_loop" "$out/$mode-$decoder.log"

done

done

${pkgs.python3}/bin/python3 ${./zstd-sarcasm.py} ${zstd.bin}/bin/zstd ${pkgs.zstd}/bin/zstd