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LoongArch64: Add compiler feature check

This commit is contained in:
gxw 2022-08-16 11:55:35 +08:00
parent 586c1004dd
commit fa4d5fb397
5 changed files with 94 additions and 2 deletions
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2
Makefile.system
View File

@ -1711,6 +1711,8 @@ ifndef NO_MSA
export HAVE_MSA
export MSA_FLAGS
endif
export HAVE_LSX
export HAVE_LASX
export KERNELDIR
export FUNCTION_PROFILE
export TARGET_CORE

37
c_check
View File

@ -182,6 +182,39 @@ if [ "$architecture" = "mips" ] || [ "$architecture" = "mips64" ]; then
rm -rf "$tmpd"
fi
have_lsx=0
have_lasx=0
if [ "$architecture" = "loongarch64" ]; then
tmpd="$(mktemp -d)"
tmplsx="$tmpd/lsx.c"
codelsx='"vadd.b $vr0, $vr0, $vr0"'
lsx_flags='-march=loongarch64 -mlsx -mabi=lp64d'
printf "#include <lsxintrin.h>\n\n" >> "$tmplsx"
printf "void main(void){ __asm__ volatile(%s);}\n" "$codelsx" >> "$tmplsx"
args="$lsx_flags -o $tmplsx.o $tmplsx"
have_lsx=1
{
$compiler_name $flags $args >/dev/null 2>&1
} || {
have_lsx=0
}
tmplasx="$tmpd/lasx.c"
codelasx='"xvadd.b $xr0, $xr0, $xr0"'
lasx_flags='-march=loongarch64 -mlasx -mabi=lp64d'
printf "#include <lasxintrin.h>\n\n" >> "$tmplasx"
printf "void main(void){ __asm__ volatile(%s);}\n" "$codelasx" >> "$tmplasx"
args="$lasx_flags -o $tmplasx.o $tmplasx"
have_lasx=1
{
$compiler_name $flags $args >/dev/null 2>&1
} || {
have_lasx=0
}
rm -rf "$tmpd"
fi
case "$data" in
*ARCH_X86_64*) architecture=x86_64 ;;
*ARCH_X86*) architecture=x86 ;;
@ -383,6 +416,8 @@ done
[ "$no_avx512" -eq 1 ] && printf "NO_AVX512=1\n"
[ "$no_avx2" -eq 1 ] && printf "NO_AVX2=1\n"
[ "$oldgcc" -eq 1 ] && printf "OLDGCC=1\n"
[ "$have_lsx" -eq 1 ] && printf "HAVE_LSX=1\n"
[ "$have_lasx" -eq 1 ] && printf "HAVE_LASX=1\n"
} >> "$makefile"
os=`echo "$os" | tr '[[:lower:]]' '[[:upper:]]'/ `
@ -397,6 +432,8 @@ compiler=`echo "$compiler" | tr '[[:lower:]]' '[[:upper:]]' `
[ "$binformat" = "bin64" ] && printf "#define __64BIT__\t1\n"
[ -n "$need_fu" ] && printf "#define FUNDERSCORE\t%s\n" "$need_fu"
[ "$have_msa" -eq 1 ] && printf "#define HAVE_MSA\t1\n"
[ "$have_lsx" -eq 1 ] && printf "#define HAVE_LSX\t1\n"
[ "$have_lasx" -eq 1 ] && printf "#define HAVE_LASX\t1\n"
[ "$c11_atomics" -eq 1 ] && printf "#define HAVE_C11\t1\n"
} >> "$config"

45
c_check.pl
View File

@ -232,6 +232,47 @@ if (($architecture eq "mips") || ($architecture eq "mips64")) {
}
}
$have_lsx = 0;
$have_lasx = 0;
if (($architecture eq "loongarch64")) {
eval "use File::Temp qw(tempfile)";
if ($@){
warn "could not load PERL module File::Temp, so could not check LSX and LASX capatibility";
} else {
$tmplsx = new File::Temp( SUFFIX => '.c' , UNLINK => 1 );
$codelsx = '"vadd.b $vr0, $vr0, $vr0"';
$lsx_flags = "-march=loongarch64 -mlsx -mabi=lp64d";
print $tmplsx "#include <lsxintrin.h>\n\n";
print $tmplsx "void main(void){ __asm__ volatile($codelsx); }\n";
$args = "$lsx_flags -o $tmplsx.o $tmplsx";
my @cmd = ("$compiler_name $flags $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$have_lsx = 0;
} else {
$have_lsx = 1;
}
unlink("$tmplsx.o");
$tmplasx = new File::Temp( SUFFIX => '.c' , UNLINK => 1 );
$codelasx = '"xvadd.b $xr0, $xr0, $xr0"';
$lasx_flags = "-march=loongarch64 -mlasx -mabi=lp64d";
print $tmplasx "#include <lasxintrin.h>\n\n";
print $tmplasx "void main(void){ __asm__ volatile($codelasx); }\n";
$args = "$lasx_flags -o $tmplasx.o $tmplasx";
my @cmd = ("$compiler_name $flags $args >/dev/null 2>/dev/null");
system(@cmd) == 0;
if ($? != 0) {
$have_lasx = 0;
} else {
$have_lasx = 1;
}
unlink("$tmplasx.o");
}
}
$architecture = x86 if ($data =~ /ARCH_X86/);
$architecture = x86_64 if ($data =~ /ARCH_X86_64/);
$architecture = e2k if ($data =~ /ARCH_E2K/);
@ -419,6 +460,8 @@ print MAKEFILE "CROSS_SUFFIX=$cross_suffix\n" if $cross != 0 && $cross_suffix ne
print MAKEFILE "CROSS=1\n" if $cross != 0;
print MAKEFILE "CEXTRALIB=$linker_L $linker_l $linker_a\n";
print MAKEFILE "HAVE_MSA=1\n" if $have_msa eq 1;
print MAKEFILE "HAVE_LSX=1\n" if $have_lsx eq 1;
print MAKEFILE "HAVE_LASX=1\n" if $have_lasx eq 1;
print MAKEFILE "MSA_FLAGS=$msa_flags\n" if $have_msa eq 1;
print MAKEFILE "NO_RV64GV=1\n" if $no_rv64gv eq 1;
print MAKEFILE "NO_AVX512=1\n" if $no_avx512 eq 1;
@ -436,6 +479,8 @@ print CONFFILE "#define __32BIT__\t1\n" if $binformat eq bin32;
print CONFFILE "#define __64BIT__\t1\n" if $binformat eq bin64;
print CONFFILE "#define FUNDERSCORE\t$need_fu\n" if $need_fu ne "";
print CONFFILE "#define HAVE_MSA\t1\n" if $have_msa eq 1;
print CONFFILE "#define HAVE_LSX\t1\n" if $have_lsx eq 1;
print CONFFILE "#define HAVE_LASX\t1\n" if $have_lasx eq 1;
print CONFFILE "#define HAVE_C11\t1\n" if $c11_atomics eq 1;

2
kernel/loongarch64/KERNEL.LA464
View File

@ -1,3 +1,4 @@
ifdef HAVE_LASX
DGEMMKERNEL = dgemm_kernel_16x4.S
DGEMMINCOPY = dgemm_ncopy_16.S
DGEMMITCOPY = dgemm_tcopy_16.S
@ -7,6 +8,7 @@ DGEMMINCOPYOBJ = dgemm_incopy$(TSUFFIX).$(SUFFIX)
DGEMMITCOPYOBJ = dgemm_itcopy$(TSUFFIX).$(SUFFIX)
DGEMMONCOPYOBJ = dgemm_oncopy$(TSUFFIX).$(SUFFIX)
DGEMMOTCOPYOBJ = dgemm_otcopy$(TSUFFIX).$(SUFFIX)
endif
DTRSMKERNEL_LN = ../generic/trsm_kernel_LN.c
DTRSMKERNEL_LT = ../generic/trsm_kernel_LT.c

10
param.h
View File

@ -2843,15 +2843,21 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define GEMM_DEFAULT_OFFSET_B 0
#define GEMM_DEFAULT_ALIGN 0x0ffffUL
#define SGEMM_DEFAULT_UNROLL_N 8
#if defined(HAVE_LASX)
#define DGEMM_DEFAULT_UNROLL_N 4
#define DGEMM_DEFAULT_UNROLL_M 16
#else
#define DGEMM_DEFAULT_UNROLL_N 8
#define DGEMM_DEFAULT_UNROLL_M 2
#endif
#define SGEMM_DEFAULT_UNROLL_N 8
#define QGEMM_DEFAULT_UNROLL_N 2
#define CGEMM_DEFAULT_UNROLL_N 4
#define ZGEMM_DEFAULT_UNROLL_N 4
#define XGEMM_DEFAULT_UNROLL_N 1
#define SGEMM_DEFAULT_UNROLL_M 2
#define DGEMM_DEFAULT_UNROLL_M 16
#define QGEMM_DEFAULT_UNROLL_M 2
#define CGEMM_DEFAULT_UNROLL_M 1
#define ZGEMM_DEFAULT_UNROLL_M 1