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openssl 3.1.x fails to build on loongarch64 with asm enabled #21340

@xen0n

Description

@xen0n

#19364 added vector asm for LoongArch, but actual upstream support for these instructions didn't appear until about a week ago (binutils commit, LLVM patch). We need to gate the asm on assembler support perhaps.

Steps to reproduce:

./Configure linux64-loongarch64
make

Error:

crypto/aes/vpaes-loongarch64.S: Assembler messages:
crypto/aes/vpaes-loongarch64.S:24: Error: no match insn: vori.b $vr1,$vr9,0
crypto/aes/vpaes-loongarch64.S:26: Error: no match insn: vld    $vr2,$r12,0
crypto/aes/vpaes-loongarch64.S:27: Error: no match insn: vandn.v        $vr1,$vr1,$vr0
crypto/aes/vpaes-loongarch64.S:28: Error: no match insn: vld    $vr5,$r9,0
crypto/aes/vpaes-loongarch64.S:29: Error: no match insn: vsrli.w        $vr1,$vr1,4
crypto/aes/vpaes-loongarch64.S:30: Error: no match insn: vand.v $vr0,$vr0,$vr9
crypto/aes/vpaes-loongarch64.S:31: Error: no match insn: vshuf.b        $vr2,$vr0,$vr2,$vr0
crypto/aes/vpaes-loongarch64.S:32: Error: no match insn: vld    $vr0,$r12,16
crypto/aes/vpaes-loongarch64.S:33: Error: no match insn: vshuf.b        $vr0,$vr1,$vr0,$vr1
crypto/aes/vpaes-loongarch64.S:34: Error: no match insn: vxor.v $vr2,$vr2,$vr5
crypto/aes/vpaes-loongarch64.S:36: Error: no match insn: vxor.v $vr0,$vr0,$vr2
[lots of similar messages omitted]

Config dump:

Details

Command line (with current working directory = .):

    /usr/bin/perl ./Configure linux64-loongarch64

Perl information:

    /usr/bin/perl
    5.36.1 for loongarch64-linux

Enabled features:

    afalgeng
    apps
    argon2
    aria
    asm
    async
    autoalginit
    autoerrinit
    autoload-config
    bf
    blake2
    bulk
    cached-fetch
    camellia
    capieng
    cast
    chacha
    cmac
    cmp
    cms
    comp
    ct
    default-thread-pool
    deprecated
    des
    dgram
    dh
    docs
    dsa
    dso
    dtls
    dynamic-engine
    ec
    ec2m
    ecdh
    ecdsa
    ecx
    engine
    err
    filenames
    gost
    http
    idea
    legacy
    loadereng
    makedepend
    md4
    mdc2
    module
    multiblock
    nextprotoneg
    ocb
    ocsp
    padlockeng
    pic
    pinshared
    poly1305
    posix-io
    psk
    rc2
    rc4
    rdrand
    rfc3779
    rmd160
    scrypt
    secure-memory
    seed
    shared
    siphash
    siv
    sm2
    sm3
    sm4
    sock
    srp
    srtp
    sse2
    ssl
    ssl-trace
    static-engine
    stdio
    tests
    thread-pool
    threads
    tls
    ts
    ui-console
    whirlpool
    tls1
    tls1-method
    tls1_1
    tls1_1-method
    tls1_2
    tls1_2-method
    tls1_3
    dtls1
    dtls1-method
    dtls1_2
    dtls1_2-method

Disabled features:

    acvp-tests          [cascade]        OPENSSL_NO_ACVP_TESTS
    asan                [default]        OPENSSL_NO_ASAN
    brotli              [default]        OPENSSL_NO_BROTLI
    brotli-dynamic      [default]        OPENSSL_NO_BROTLI_DYNAMIC
    buildtest-c++       [default]        
    winstore            [not-windows]    OPENSSL_NO_WINSTORE
    crypto-mdebug       [default]        OPENSSL_NO_CRYPTO_MDEBUG
    devcryptoeng        [default]        OPENSSL_NO_DEVCRYPTOENG
    ec_nistp_64_gcc_128 [default]        OPENSSL_NO_EC_NISTP_64_GCC_128
    egd                 [default]        OPENSSL_NO_EGD
    external-tests      [default]        OPENSSL_NO_EXTERNAL_TESTS
    fips                [default]        
    fips-securitychecks [cascade]        OPENSSL_NO_FIPS_SECURITYCHECKS
    fuzz-afl            [default]        OPENSSL_NO_FUZZ_AFL
    fuzz-libfuzzer      [default]        OPENSSL_NO_FUZZ_LIBFUZZER
    ktls                [default]        OPENSSL_NO_KTLS
    md2                 [default]        OPENSSL_NO_MD2 (skip crypto/md2)
    msan                [default]        OPENSSL_NO_MSAN
    quic                [default]        OPENSSL_NO_QUIC
    rc5                 [default]        OPENSSL_NO_RC5 (skip crypto/rc5)
    sctp                [default]        OPENSSL_NO_SCTP
    tfo                 [default]        OPENSSL_NO_TFO
    trace               [default]        OPENSSL_NO_TRACE
    ubsan               [default]        OPENSSL_NO_UBSAN
    unit-test           [default]        OPENSSL_NO_UNIT_TEST
    uplink              [no uplink_arch] OPENSSL_NO_UPLINK
    weak-ssl-ciphers    [default]        OPENSSL_NO_WEAK_SSL_CIPHERS
    zlib                [default]        OPENSSL_NO_ZLIB
    zlib-dynamic        [default]        OPENSSL_NO_ZLIB_DYNAMIC
    zstd                [default]        OPENSSL_NO_ZSTD
    zstd-dynamic        [default]        OPENSSL_NO_ZSTD_DYNAMIC
    ssl3                [default]        OPENSSL_NO_SSL3
    ssl3-method         [default]        OPENSSL_NO_SSL3_METHOD

Config target attributes:

    AR => "ar",
    ARFLAGS => "qc",
    CC => "gcc",
    CFLAGS => "-Wall -O3",
    CXX => "g++",
    CXXFLAGS => "-Wall -O3",
    HASHBANGPERL => "/usr/bin/env perl",
    RANLIB => "ranlib",
    RC => "windres",
    asm_arch => "loongarch64",
    bn_ops => "SIXTY_FOUR_BIT_LONG RC4_CHAR",
    build_file => "Makefile",
    build_scheme => [ "unified", "unix" ],
    cflags => "-pthread",
    cppflags => "",
    cxxflags => "-std=c++11 -pthread",
    defines => [ "OPENSSL_BUILDING_OPENSSL" ],
    disable => [  ],
    dso_ldflags => "-Wl,-z,defs",
    dso_scheme => "dlfcn",
    enable => [ "afalgeng" ],
    ex_libs => "-ldl -pthread",
    includes => [  ],
    lflags => "",
    lib_cflags => "",
    lib_cppflags => "-DOPENSSL_USE_NODELETE",
    lib_defines => [  ],
    module_cflags => "-fPIC",
    module_cxxflags => undef,
    module_ldflags => "-Wl,-znodelete -shared -Wl,-Bsymbolic",
    perl_platform => "Unix",
    perlasm_scheme => "linux64",
    shared_cflag => "-fPIC",
    shared_defflag => "-Wl,--version-script=",
    shared_defines => [  ],
    shared_ldflag => "-Wl,-znodelete -shared -Wl,-Bsymbolic",
    shared_rcflag => "",
    shared_sonameflag => "-Wl,-soname=",
    shared_target => "linux-shared",
    thread_defines => [  ],
    thread_scheme => "pthreads",
    unistd => "<unistd.h>",

Recorded environment:

    AR = 
    ARFLAGS = 
    AS = 
    ASFLAGS = 
    BUILDFILE = 
    CC = 
    CFLAGS = 
    CPP = 
    CPPDEFINES = 
    CPPFLAGS = 
    CPPINCLUDES = 
    CROSS_COMPILE = 
    CXX = 
    CXXFLAGS = 
    HASHBANGPERL = 
    LD = 
    LDFLAGS = 
    LDLIBS = 
    MT = 
    MTFLAGS = 
    OPENSSL_LOCAL_CONFIG_DIR = 
    PERL = 
    RANLIB = 
    RC = 
    RCFLAGS = 
    RM = 
    WINDRES = 
    __CNF_CFLAGS = 
    __CNF_CPPDEFINES = 
    __CNF_CPPFLAGS = 
    __CNF_CPPINCLUDES = 
    __CNF_CXXFLAGS = 
    __CNF_LDFLAGS = 
    __CNF_LDLIBS = 

Makevars:

    AR              = ar
    ARFLAGS         = qc
    ASFLAGS         = 
    CC              = gcc
    CFLAGS          = -Wall -O3
    CPPDEFINES      = 
    CPPFLAGS        = 
    CPPINCLUDES     = 
    CXX             = g++
    CXXFLAGS        = -Wall -O3
    HASHBANGPERL    = /usr/bin/env perl
    LDFLAGS         = 
    LDLIBS          = 
    PERL            = /usr/bin/perl
    RANLIB          = ranlib
    RC              = windres
    RCFLAGS         = 

NOTE: These variables only represent the configuration view.  The build file
template may have processed these variables further, please have a look at the
build file for more exact data:
    Makefile

build file:

    Makefile

build file templates:

    Configurations/common0.tmpl
    Configurations/unix-Makefile.tmpl

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