Loading & Using Floats in RISC-V Assembly Example

add7_div7.asm

# RISC-V Assembly example program
# RISC-V Assembly program adds 7.0 to a value if it's less than 7.0, otherwise it divides the value by 7.0
# Created: 2023-12-06

.data
# value1 = 35.0
value1: .float 35.0
seven: .float 7.0
# result = 0.0
result: .float 0.0
newline: .asciz "\n"

.text
main:
  # Load value1 into f1
  la t1, value1
  flw f1, 0(t1)
        
  # Load 7.0 into f2
  la t2, seven
  flw f2, 0(t2)
    
  # Check if value1 is less than 7.0  
  flt.s t3, f1, f2
  # Else value1 >= 7
  beqz t3, else
  # If value1 < 7
  bnez, t3, if

if:
  # 7.0 + value1
  fadd.s f3, f2, f1
  jal end	
	
else:
  # value1 / 7.0
  fdiv.s f3, f1, f2
  jal end

end:
  # result = f3
  fmv.s fa0, f3
  li a7, 2
  ecall
	
  la a0, newline
  li a7, 4
  ecall
	
  li a7, 10
  ecall