Initial version for riscv sifive x280

Author: HellerZheng

Diff for: Makefile.install

@@ -8,6 +8,7 @@ PREFIX ?= /opt/OpenBLAS
 OPENBLAS_INCLUDE_DIR := $(PREFIX)/include
 OPENBLAS_LIBRARY_DIR := $(PREFIX)/lib
 OPENBLAS_BINARY_DIR := $(PREFIX)/bin
+OPENBLAS_RELEASE_DIR := $(PREFIX)/release
 OPENBLAS_BUILD_DIR := $(CURDIR)
 OPENBLAS_CMAKE_DIR := $(OPENBLAS_LIBRARY_DIR)/cmake/$(LIBSONAMEBASE)
 OPENBLAS_CMAKE_CONFIG := OpenBLASConfig.cmake
@@ -38,6 +39,7 @@ install : 	lib.grd
 	@-mkdir -p "$(DESTDIR)$(OPENBLAS_INCLUDE_DIR)"
 	@-mkdir -p "$(DESTDIR)$(OPENBLAS_LIBRARY_DIR)"
 	@-mkdir -p "$(DESTDIR)$(OPENBLAS_BINARY_DIR)"
+	@-mkdir -p "$(DESTDIR)$(OPENBLAS_RELEASE_DIR)"
 	@-mkdir -p "$(DESTDIR)$(OPENBLAS_CMAKE_DIR)"
 	@-mkdir -p "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)"
 	@echo Generating openblas_config.h in $(DESTDIR)$(OPENBLAS_INCLUDE_DIR)
@@ -202,3 +204,8 @@ endif
 	@echo "  endif ()" >> "$(DESTDIR)$(OPENBLAS_CMAKE_DIR)/$(OPENBLAS_CMAKE_CONFIG_VERSION)"
 	@echo "endif ()" >> "$(DESTDIR)$(OPENBLAS_CMAKE_DIR)/$(OPENBLAS_CMAKE_CONFIG_VERSION)"
 	@echo Install OK!
+#Generating release tar
+	@echo Generating $(OPENBLAS_RELEASE_DIR)/$(basename $(LIBNAME)).tar.gz
+	@tar -cvz --file=$(OPENBLAS_RELEASE_DIR)/$(basename $(LIBNAME)).tar.gz --directory=$(PREFIX) --exclude=release .
+
+	

Diff for: Makefile.prebuild

@@ -55,6 +55,14 @@ ifeq ($(TARGET), C910V)
 TARGET_FLAGS = -march=rv64gcv0p7_zfh_xtheadc -mabi=lp64d
 endif
 
+ifeq ($(TARGET), x280)
+TARGET_FLAGS = -march=rv64imafdcv_zba_zbb_zfh_xsfvqmaccqoq_xsfvfhbfmin -mabi=lp64d -mcpu=sifive-x280
+endif
+
+ifeq ($(TARGET), RISCV64_GENERIC)
+TARGET_FLAGS = -march=rv64imafdc -mabi=lp64d
+endif
+
 all: getarch_2nd
 	./getarch_2nd  0 >> $(TARGET_MAKE)
 	./getarch_2nd  1 >> $(TARGET_CONF)

Diff for: Makefile.riscv64

@@ -2,3 +2,11 @@ ifeq ($(CORE), C910V)
 CCOMMON_OPT += -march=rv64imafdcv0p7_zfh_xtheadc -mabi=lp64d -mtune=c920
 FCOMMON_OPT += -march=rv64imafdcv0p7_zfh_xtheadc -mabi=lp64d -mtune=c920 -static
 endif
+ifeq ($(CORE), x280)
+CCOMMON_OPT += -march=rv64imafdcv_zba_zbb_zfh_xsfvqmaccqoq_xsfvfhbfmin -mabi=lp64d -menable-experimental-extensions -mllvm --riscv-v-vector-bits-min=512 -mcpu=sifive-x280 -ffast-math
+FCOMMON_OPT += -march=rv64imafdcv_zba_zbb_zfh_xsfvqmaccqoq_xsfvfhbfmin -mabi=lp64d -menable-experimental-extensions -static
+endif
+ifeq ($(CORE), RISCV64_GENERIC)
+CCOMMON_OPT += -march=rv64imafdc -mabi=lp64d
+FCOMMON_OPT += -march=rv64imafdc -mabi=lp64d -static
+endif

Diff for: README.md

@@ -186,6 +186,11 @@ Please read `GotoBLAS_01Readme.txt` for older CPU models already supported by th
   ```
   (also known to work on C906)
 
+- **x280**: LLVM auto-vectorization using RISC-V Vector extension 1.0.
+  ```sh
+  make HOSTCC=gcc TARGET=x280 NUM_THREADS=8 CC=riscv64-unknown-linux-gnu-clang FC=riscv64-unknown-linux-gnu-gfortran
+  ```
+
 ### Support for multiple targets in a single library
 
 OpenBLAS can be built for multiple targets with runtime detection of the target cpu by specifiying `DYNAMIC_ARCH=1` in Makefile.rule, on the gmake command line or as `-DDYNAMIC_ARCH=TRUE` in cmake.

Diff for: TargetList.txt

@@ -120,6 +120,7 @@ Z14
 10.RISC-V 64:
 RISCV64_GENERIC
 C910V
+x280
 
 11.LOONGARCH64:
 LOONGSONGENERIC

Diff for: benchmark/Makefile

@@ -37,6 +37,12 @@ ESSL=/opt/ibm/lib
 #LIBESSL = -lesslsmp $(ESSL)/libxlomp_ser.so.1 $(ESSL)/libxlf90_r.so.1 $(ESSL)/libxlfmath.so.1 $(ESSL)/libxlsmp.so.1 /opt/ibm/xlC/13.1.3/lib/libxl.a
 LIBESSL = -lesslsmp  $(ESSL)/libxlf90_r.so.1 $(ESSL)/libxlfmath.so.1 $(ESSL)/libxlsmp.so.1 /opt/ibm/xlC/13.1.3/lib/libxl.a
 
+# x280 temporary workaround for gfortran
+ifeq ($(TARGET), x280)
+CCOMMON_OPT:=$(filter-out -mllvm --riscv-v-vector-bits-min=512,$(CCOMMON_OPT))
+endif
+
+
 ifneq ($(NO_LAPACK), 1)
 GOTO_LAPACK_TARGETS=slinpack.goto dlinpack.goto clinpack.goto zlinpack.goto \
 		    scholesky.goto dcholesky.goto ccholesky.goto zcholesky.goto \

Diff for: common_riscv64.h

@@ -92,6 +92,10 @@ static inline int blas_quickdivide(blasint x, blasint y){
 #define SEEK_ADDRESS
 
 #if defined(C910V)
+#include <riscv-vector.h>
+#endif
+
+#if defined(x280)
 #include <riscv_vector.h>
 #endif
 

Diff for: cpuid_riscv64.c

@@ -72,10 +72,12 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define CPU_GENERIC   0
 #define CPU_C910V     1
+#define CPU_x280        2
 
 static char *cpuname[] = {
   "RISCV64_GENERIC",
   "C910V"
+  "x280"
 };
 
 int detect(void){

Diff for: getarch.c

@@ -1677,6 +1677,18 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define LIBNAME   "c910v"
 #define CORENAME  "C910V"
 #endif
+#endif
+#ifdef FORCE_x280
+#define FORCE
+#define ARCHITECTURE    "RISCV64"
+#define SUBARCHITECTURE "x280"
+#define SUBDIRNAME      "riscv64"
+#define ARCHCONFIG   "-Dx280 " \
+       "-DL1_DATA_SIZE=64536 -DL1_DATA_LINESIZE=32 " \
+       "-DL2_SIZE=262144 -DL2_LINESIZE=32 " \
+       "-DDTB_DEFAULT_ENTRIES=128 -DDTB_SIZE=4096 -DL2_ASSOCIATIVE=4 "
+#define LIBNAME   "x280"
+#define CORENAME  "x280"
 #else
 #endif
 

Diff for: kernel/riscv64/KERNEL.x280

@@ -0,0 +1,267 @@
+# **********************************************************************************
+# Copyright (c) 2022, The OpenBLAS Project
+# All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# 3. Neither the name of the OpenBLAS project nor the names of
+# its contributors may be used to endorse or promote products
+# derived from this software without specific prior written permission.
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# **********************************************************************************
+
+SAMAXKERNEL  = amax_rvv.c
+DAMAXKERNEL  = amax_rvv.c
+CAMAXKERNEL  = zamax_rvv.c
+ZAMAXKERNEL  = zamax_rvv.c
+
+SAMINKERNEL  = amin_rvv.c
+DAMINKERNEL  = amin_rvv.c
+CAMINKERNEL  = zamin_rvv.c
+ZAMINKERNEL  = zamin_rvv.c
+
+SMAXKERNEL   = max_rvv.c
+DMAXKERNEL   = max_rvv.c
+
+SMINKERNEL   = min_rvv.c
+DMINKERNEL   = min_rvv.c
+
+ISAMAXKERNEL = iamax_rvv.c
+IDAMAXKERNEL = iamax_rvv.c
+ICAMAXKERNEL = izamax_rvv.c
+IZAMAXKERNEL = izamax_rvv.c
+
+ISAMINKERNEL = iamin_rvv.c
+IDAMINKERNEL = iamin_rvv.c
+ICAMINKERNEL = izamin_rvv.c
+IZAMINKERNEL = izamin_rvv.c
+
+ISMAXKERNEL  = imax_rvv.c
+IDMAXKERNEL  = imax_rvv.c
+
+ISMINKERNEL  = imin_rvv.c
+IDMINKERNEL  = imin_rvv.c
+
+SASUMKERNEL  = asum_rvv.c
+DASUMKERNEL  = asum_rvv.c
+CASUMKERNEL  = zasum_rvv.c
+ZASUMKERNEL  = zasum_rvv.c
+
+SSUMKERNEL  = sum_rvv.c
+DSUMKERNEL  = sum_rvv.c
+CSUMKERNEL  = zsum_rvv.c
+ZSUMKERNEL  = zsum_rvv.c
+
+SAXPYKERNEL  = axpy_rvv.c
+DAXPYKERNEL  = axpy_rvv.c
+CAXPYKERNEL  = zaxpy_rvv.c
+ZAXPYKERNEL  = zaxpy_rvv.c
+
+SAXPBYKERNEL  = axpby_rvv.c
+DAXPBYKERNEL  = axpby_rvv.c
+CAXPBYKERNEL  = zaxpby_rvv.c
+ZAXPBYKERNEL  = zaxpby_rvv.c
+
+SCOPYKERNEL  = copy_rvv.c
+DCOPYKERNEL  = copy_rvv.c
+CCOPYKERNEL  = zcopy_rvv.c
+ZCOPYKERNEL  = zcopy_rvv.c
+
+SDOTKERNEL   = dot_rvv.c
+DDOTKERNEL   = dot_rvv.c
+CDOTKERNEL   = zdot_rvv.c
+ZDOTKERNEL   = zdot_rvv.c
+DSDOTKERNEL  = dot_rvv.c
+
+SNRM2KERNEL  = nrm2_rvv.c
+DNRM2KERNEL  = nrm2_rvv.c
+CNRM2KERNEL  = znrm2_rvv.c
+ZNRM2KERNEL  = znrm2_rvv.c
+
+SROTKERNEL   = rot_rvv.c
+DROTKERNEL   = rot_rvv.c
+CROTKERNEL   = zrot_rvv.c
+ZROTKERNEL   = zrot_rvv.c
+
+SSCALKERNEL  = scal_rvv.c
+DSCALKERNEL  = scal_rvv.c
+CSCALKERNEL  = zscal_rvv.c
+ZSCALKERNEL  = zscal_rvv.c
+
+SSWAPKERNEL  = swap_rvv.c
+DSWAPKERNEL  = swap_rvv.c
+CSWAPKERNEL  = zswap_rvv.c
+ZSWAPKERNEL  = zswap_rvv.c
+
+SGEMVNKERNEL = gemv_n_rvv.c
+DGEMVNKERNEL = gemv_n_rvv.c
+CGEMVNKERNEL = zgemv_n_rvv.c
+ZGEMVNKERNEL = zgemv_n_rvv.c
+
+SGEMVTKERNEL = gemv_t_rvv.c
+DGEMVTKERNEL = gemv_t_rvv.c
+CGEMVTKERNEL = zgemv_t_rvv.c
+ZGEMVTKERNEL = zgemv_t_rvv.c
+
+CTRMMKERNEL	= ztrmmkernel_2x2_rvv.c
+ZTRMMKERNEL	= ztrmmkernel_2x2_rvv.c
+
+# SGEMM_UNROLL_N set in params.h
+ifeq ($(SGEMM_UNROLL_N), 2)
+SGEMMKERNEL    =  gemmkernel_2x2_rvv.c
+SGEMMONCOPY    =  gemm_ncopy_2_rvv.c
+SGEMMOTCOPY    =  gemm_tcopy_2_rvv.c
+SGEMMONCOPYOBJ =  sgemm_oncopy.o
+SGEMMOTCOPYOBJ =  sgemm_otcopy.o
+
+STRMMKERNEL	= trmmkernel_2x2_rvv.c
+else ifeq ($(SGEMM_UNROLL_N), 4)
+SGEMMKERNEL    =  gemmkernel_4x4_rvv.c
+SGEMMONCOPY    =  gemm_ncopy_4_rvv.c
+SGEMMOTCOPY    =  ../generic/gemm_tcopy_4.c
+SGEMMONCOPYOBJ =  sgemm_oncopy.o
+SGEMMOTCOPYOBJ =  sgemm_otcopy.o
+
+STRMMKERNEL	= trmmkernel_4x4_rvv.c
+else ifeq ($(SGEMM_UNROLL_N), 8)
+# UNROLL_M is VLMAX
+SGEMMKERNEL    =  gemmkernel_rvv_v1x8.c
+SGEMMINCOPY    =  gemm_ncopy_rvv_v1.c
+SGEMMITCOPY    =  gemm_tcopy_rvv_v1.c
+SGEMMONCOPY    =  gemm_ncopy_$(SGEMM_UNROLL_N)_rvv.c
+SGEMMOTCOPY    =  gemm_tcopy_$(SGEMM_UNROLL_N)_rvv.c
+SGEMMINCOPYOBJ =  sgemm_incopy$(TSUFFIX).$(SUFFIX)
+SGEMMITCOPYOBJ =  sgemm_itcopy$(TSUFFIX).$(SUFFIX)
+SGEMMONCOPYOBJ =  sgemm_oncopy$(TSUFFIX).$(SUFFIX)
+SGEMMOTCOPYOBJ =  sgemm_otcopy$(TSUFFIX).$(SUFFIX)
+
+STRMMKERNEL	= trmmkernel_rvv_v1x8.c 
+
+STRMMUNCOPY_M  =  trmm_uncopy_rvv_v1.c
+STRMMLNCOPY_M  =  trmm_lncopy_rvv_v1.c
+STRMMUTCOPY_M  =  trmm_utcopy_rvv_v1.c
+STRMMLTCOPY_M  =  trmm_ltcopy_rvv_v1.c
+
+SSYMMUCOPY_M   =  symm_ucopy_rvv_v1.c 
+SSYMMLCOPY_M   =  symm_lcopy_rvv_v1.c
+endif
+
+# SGEMM_UNROLL_N set in params.h
+ifeq ($(DGEMM_UNROLL_N), 2)
+DGEMMKERNEL    = gemmkernel_2x2_rvv.c
+DGEMMONCOPY    = gemm_ncopy_2_rvv.c
+DGEMMOTCOPY    = gemm_tcopy_2_rvv.c
+DGEMMONCOPYOBJ = dgemm_oncopy.o
+DGEMMOTCOPYOBJ = dgemm_otcopy.o
+
+DTRMMKERNEL	= trmmkernel_2x2_rvv.c
+else ifeq ($(DGEMM_UNROLL_N), 4)
+DGEMMKERNEL    =  gemmkernel_4x4_rvv.c
+DGEMMONCOPY    =  gemm_ncopy_4_rvv.c
+DGEMMOTCOPY    =  ../generic/gemm_tcopy_4.c
+DGEMMONCOPYOBJ =  dgemm_oncopy.o
+DGEMMOTCOPYOBJ =  dgemm_otcopy.o
+
+DTRMMKERNEL	= trmmkernel_4x4_rvv.c
+else ifeq ($(DGEMM_UNROLL_N), 8)
+# UNROLL_M is VLMAX
+DGEMMKERNEL    =  gemmkernel_rvv_v1x8.c
+DGEMMINCOPY    =  gemm_ncopy_rvv_v1.c
+DGEMMITCOPY    =  gemm_tcopy_rvv_v1.c
+DGEMMONCOPY    =  gemm_ncopy_$(DGEMM_UNROLL_N)_rvv.c
+DGEMMOTCOPY    =  gemm_tcopy_$(DGEMM_UNROLL_N)_rvv.c
+DGEMMINCOPYOBJ =  dgemm_incopy$(TSUFFIX).$(SUFFIX)
+DGEMMITCOPYOBJ =  dgemm_itcopy$(TSUFFIX).$(SUFFIX)
+DGEMMONCOPYOBJ =  dgemm_oncopy$(TSUFFIX).$(SUFFIX)
+DGEMMOTCOPYOBJ =  dgemm_otcopy$(TSUFFIX).$(SUFFIX)
+
+DTRMMKERNEL = trmmkernel_rvv_v1x8.c
+DTRMMUNCOPY_M  =  trmm_uncopy_rvv_v1.c
+DTRMMLNCOPY_M  =  trmm_lncopy_rvv_v1.c
+DTRMMUTCOPY_M  =  trmm_utcopy_rvv_v1.c
+DTRMMLTCOPY_M  =  trmm_ltcopy_rvv_v1.c
+
+DSYMMUCOPY_M   =  symm_ucopy_rvv_v1.c
+DSYMMLCOPY_M   =  symm_lcopy_rvv_v1.c
+endif
+
+CGEMMKERNEL    = ../generic/zgemmkernel_2x2.c
+CGEMMONCOPY    = ../generic/zgemm_ncopy_2.c
+CGEMMOTCOPY    = ../generic/zgemm_tcopy_2.c
+CGEMMONCOPYOBJ =  cgemm_oncopy.o
+CGEMMOTCOPYOBJ =  cgemm_otcopy.o
+
+ZGEMMKERNEL    = ../generic/zgemmkernel_2x2.c
+ZGEMMONCOPY    = ../generic/zgemm_ncopy_2.c
+ZGEMMOTCOPY    = ../generic/zgemm_tcopy_2.c
+ZGEMMONCOPYOBJ =  zgemm_oncopy.o
+ZGEMMOTCOPYOBJ =  zgemm_otcopy.o
+
+STRSMKERNEL_LN	=  trsm_kernel_LN_rvv_v1.c
+STRSMKERNEL_LT	=  trsm_kernel_LT_rvv_v1.c
+STRSMKERNEL_RN	=  trsm_kernel_RN_rvv_v1.c
+STRSMKERNEL_RT	=  trsm_kernel_RT_rvv_v1.c
+
+DTRSMKERNEL_LN	=  trsm_kernel_LN_rvv_v1.c
+DTRSMKERNEL_LT	=  trsm_kernel_LT_rvv_v1.c
+DTRSMKERNEL_RN	=  trsm_kernel_RN_rvv_v1.c
+DTRSMKERNEL_RT	=  trsm_kernel_RT_rvv_v1.c
+
+CTRSMKERNEL_LN  = ../generic/trsm_kernel_LN.c
+CTRSMKERNEL_LT  = ../generic/trsm_kernel_LT.c
+CTRSMKERNEL_RN  = ../generic/trsm_kernel_RN.c
+CTRSMKERNEL_RT  = ../generic/trsm_kernel_RT.c
+
+ZTRSMKERNEL_LN  = ../generic/trsm_kernel_LN.c
+ZTRSMKERNEL_LT  = ../generic/trsm_kernel_LT.c
+ZTRSMKERNEL_RN  = ../generic/trsm_kernel_RN.c
+ZTRSMKERNEL_RT  = ../generic/trsm_kernel_RT.c
+
+TRSMCOPYLN_M    = trsm_lncopy_rvv_v1.c
+TRSMCOPYLT_M    = trsm_ltcopy_rvv_v1.c
+TRSMCOPYUN_M    = trsm_uncopy_rvv_v1.c
+TRSMCOPYUT_M    = trsm_utcopy_rvv_v1.c
+
+SSYMV_U_KERNEL =  symv_U_rvv.c 
+SSYMV_L_KERNEL =  symv_L_rvv.c
+DSYMV_U_KERNEL =  symv_U_rvv.c 
+DSYMV_L_KERNEL =  symv_L_rvv.c
+CSYMV_U_KERNEL =  ../generic/zsymv_k.c
+CSYMV_L_KERNEL =  ../generic/zsymv_k.c
+ZSYMV_U_KERNEL =  ../generic/zsymv_k.c
+ZSYMV_L_KERNEL =  ../generic/zsymv_k.c
+
+
+LSAME_KERNEL = ../generic/lsame.c
+
+SCABS_KERNEL	= ../generic/cabs.c
+DCABS_KERNEL	= ../generic/cabs.c
+QCABS_KERNEL	= ../generic/cabs.c
+
+ifndef SGEMM_BETA
+SGEMM_BETA = gemm_beta_rvv.c
+endif
+ifndef DGEMM_BETA
+DGEMM_BETA = gemm_beta_rvv.c
+endif
+ifndef CGEMM_BETA
+CGEMM_BETA = zgemm_beta_rvv.c
+endif
+ifndef ZGEMM_BETA
+ZGEMM_BETA = zgemm_beta_rvv.c
+endif