Add: branch source code test file | Fix: remove test source code test file

tb/test_source_code/tb_risc_v_cpu/branch_instruction.S

@@ -1,18 +1,36 @@
 /*
  *  0:zero, 1:ra, 2:sp, 3:gp, 4:tp, 5:t0-2, 8:s0/fp
  *  9:s1, 10:a0-7, 18:s2-11, 28:t3-6
- *  beq, bne, blt, ble, bltu, bgeu
+ *  beq, bne, blt, ble, bltu, bleu
  *  bgt, bge, beqz, bnez, blez, bgez, bltz, bgtz
  */
 
 addi a0, zero, 0 # R[10]=0
 start:
-beq a0, zero, second
+beq a0, zero, first
 addi a0, a0, 1 # R[10]=3
-second:
+first:
-bne a0, zero, end
+bne a0, zero, second
 addi a0, a0, 2 # R[10]=2
 j start
+second:
+addi a1, zero, 4 # R[11]=4
+blt a0, a1, third
+addi a0, a0, 3 # R[10]=10
+third:
+addi a1, zero, 7 # R[11]=7
+ble a1, a0, forth
+add a0, a0, 4 # R[10]=7
+j second
+forth:
+addi a1, zero, 4294967295 # R[11]=4294967295
+bltu a0, a1, fifth
+addi a0, a0, 5
+fifth:
+addi a1, zero, 16 # R[11]=16
+bleu a1, a0, end
+add a0, a0, 6 # R[10]=16
+j forth
 end:
 
-# R[10]=3
+# R[10]=16

tb/test_source_code/tb_risc_v_cpu/test.S

@@ -1,10 +0,0 @@
-# t0 = 0
-li      t0, 0  # R[5]=0
-li      t2, 10 # R[7]=10
-loop_head:
-bge     t0, t2, loop_end
-# Repeated code goes here
-addi    t0, t0, 1 # PC=16
-j		loop_head
-loop_end:
-# R[0]=0