Ported Arm SVE & Instantiate 512bit

- TBLIS requires block sizes to be constexpr. As a result VL has to be
  instantiated at compile time. Instantiate 512bit now.
- Untested yet.

Makefile.am

@@ -401,6 +401,28 @@ endif
 lib_libthunderx2_la_CFLAGS = -march=armv8-a+fp+simd -mcpu=thunderx2t99
 endif
 
+if ENABLE_ARMV8A_SVE512
+noinst_LTLIBRARIES += lib/libarmv8a_sve512.la
+lib_libtblis_la_LIBADD += lib/libarmv8a_sve512.la
+lib_libtblis_la_SOURCES += src/configs/armv8a_sve512/config.cxx
+lib_libarmv8a_sve512_la_SOURCES = src/configs/armv8a_sve512/config_ker.cxx \
+                                  src/configs/armv8a_sve512/bli_gemm_armsve_asm_2vx10_unindexed.c \
+                                  src/configs/armv8a_sve512/bli_dpackm_armsve512_asm_16xk.c \
+                                  src/configs/armv8a_sve512/bli_dpackm_armsve512_asm_10xk.c
+lib_libarmv8a_sve512_la_CFLAGS = -march=armv8-a+sve
+CXXFLAGS += -march=armv8-a+sve
+endif
+
+if ENABLE_ARMV8A_SVE256
+noinst_LTLIBRARIES += lib/libarmv8a_sve256.la
+lib_libtblis_la_LIBADD += lib/libarmv8a_sve256.la
+lib_libtblis_la_SOURCES += src/configs/armv8a_sve256/config.cxx
+lib_libarmv8a_sve256_la_SOURCES = src/configs/armv8a_sve256/config_ker.cxx \
+                                  src/configs/armv8a_sve512/bli_gemm_armsve_asm_2vx10_unindexed.c
+lib_libarmv8a_sve256_la_CFLAGS = -march=armv8-a+sve
+CXXFLAGS += -march=armv8-a+sve
+endif
+
 #
 # IBM architectures
 #

aclocal.m4

@@ -14,8 +14,8 @@
 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
-m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],,
-[m4_warning([this file was generated for autoconf 2.69.
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.71],,
+[m4_warning([this file was generated for autoconf 2.71.
 You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically 'autoreconf'.])])

config.h.in

@@ -24,12 +24,12 @@
 /* Define to 1 if you have the <memkind.h> header file. */
 #undef HAVE_MEMKIND_H
 
-/* Define to 1 if you have the <memory.h> header file. */
-#undef HAVE_MEMORY_H
-
 /* Define to 1 if you have the <stdint.h> header file. */
 #undef HAVE_STDINT_H
 
+/* Define to 1 if you have the <stdio.h> header file. */
+#undef HAVE_STDIO_H
+
 /* Define to 1 if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
@@ -96,7 +96,9 @@
 /* More convenient macro for restrict. */
 #undef RESTRICT
 
-/* Define to 1 if you have the ANSI C header files. */
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
 #undef STDC_HEADERS
 
 /* stride_type */