RISC-V: Select GENERIC_UCMPDI2 on RV32I

Zong Li · palmer-dabbelt · commit 8f79125d285d · 2018-07-04T13:53:33.000-07:00
On 32-bit, it need to use __ucmpdi2, otherwise, it can't find the __ucmpdi2
symbol.

Signed-off-by: Zong Li &lt;zong@andestech.com&gt;
Reviewed-by: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Palmer Dabbelt &lt;palmer@sifive.com&gt;
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
@@ -107,6 +107,7 @@ config ARCH_RV32I
 	select GENERIC_LIB_ASHLDI3
 	select GENERIC_LIB_ASHRDI3
 	select GENERIC_LIB_LSHRDI3
+	select GENERIC_LIB_UCMPDI2
 
 config ARCH_RV64I
 	bool "RV64I"
