moving MUL unit into ALU unit

runtime/tests/nlTest/Makefile

@@ -9,7 +9,7 @@ CP = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-objcopy
 CFLAGS += -march=rv32imf -mabi=ilp32f -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
 CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
 
-LDFLAGS += -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link.ld -Wl,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
+LDFLAGS += -lm -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link.ld -Wl,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
 
 PROJECT = vx_nl_main
 

runtime/tests/nlTest/vx_nl_main.c

@@ -1,16 +1,22 @@
-#include <vx_intrinsics.h>
+#include <stdio.h>
+#include <math.h>
 #include <vx_print.h>
 
-int main()
-{
-	// Main is called with all threads active of warp 0
-	vx_tmc(1);
+const int Num = 9;
+const float fNum = 9.0f;
 
-	vx_prints("Newlib Main ");
-	vx_printx(456);
-	vx_prints(" \n");
+int fibonacci(int n) {
+   if (n <= 1)
+      return n;
+   return fibonacci(n-1) + fibonacci(n-2);
+}
+
+int main() {
+	int fib = fibonacci(Num);
+	float isq = 1.0f / sqrt(fNum);
+	vx_printf("fibonacci(%d) = %d\n", Num, fib);
+	vx_printf("invAqrt(%f) = %f\n", fNum, isq);
 	vx_prints("Passed!\n");
-
 	return 0;
 }