-PLATFORM_CPPFLAGS += -mno-xl-soft-mul
-PLATFORM_CPPFLAGS += -mno-xl-soft-div
-PLATFORM_CPPFLAGS += -mxl-barrel-shift
+# USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
+CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
+CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
+CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
+CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
+CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
+
+PLATFORM_CPPFLAGS += $(CPUFLAGS-1) $(CPUFLAGS-2)