[SPARC][builtins] Add sparcv9 arch name for 32-bit SPARC

Solaris uses those, and the lack of it results in undefined symbols error
in the linker.
This should fix the failures in the Solaris buildbot.

Author: koachan

compiler-rt/lib/builtins/CMakeLists.txt

@@ -1013,7 +1013,7 @@ else ()
 
       # For RISCV32 and 32-bit SPARC, we must force enable int128 for compiling long
       # double routines.
-      if (COMPILER_RT_ENABLE_SOFTWARE_INT128 OR ("${arch}" MATCHES "riscv32|sparc$"
+      if (COMPILER_RT_ENABLE_SOFTWARE_INT128 OR ("${arch}" MATCHES "riscv32|sparc|sparcv9"
         AND NOT CMAKE_COMPILER_IS_GNUCC))
         list(APPEND BUILTIN_CFLAGS_${arch} -fforce-enable-int128)
       endif()

compiler-rt/test/builtins/CMakeLists.txt

@@ -48,7 +48,7 @@ foreach(arch ${BUILTIN_TEST_ARCH})
     string(REPLACE ";" " " BUILTINS_TEST_TARGET_CFLAGS "${BUILTINS_TEST_TARGET_CFLAGS}")
   endif()
 
-  if (COMPILER_RT_ENABLE_SOFTWARE_INT128 OR ("${arch}" MATCHES "riscv32|sparc$"
+  if (COMPILER_RT_ENABLE_SOFTWARE_INT128 OR ("${arch}" MATCHES "riscv32|sparc|sparcv9"
     AND NOT CMAKE_COMPILER_IS_GNUCC))
     list(APPEND BUILTINS_TEST_TARGET_CFLAGS -fforce-enable-int128)
     string(REPLACE ";" " " BUILTINS_TEST_TARGET_CFLAGS "${BUILTINS_TEST_TARGET_CFLAGS}")