My first compiler

2call_merge

Source Code

// MyCC code example
// Gabriel Capella
class Test {
    public void main() {
        sdas();
    }

    public void sortInternal(int p, int q) {
        print(48);
    }

    public void sdas() {
        sortInternal(0, 20);
    }
}

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Results

Assembly

# SPILL %8
.globl main

main:
   pushq  %rbp                # Save old EBP
   movq    %rsp, %rbp         # Save old ESP

   movq    $0, %rax
   movq    %rax, %rdi
   callq   malloc@PLT
   testq   %rax, %rax
   jz      fail_exit
   pushq   %rax

   callq   __LABEL0
   popq   %rax

   movq %rbp, %rsp            # Restore ESP
   popq %rbp                  # Restore EBP
   retq

__LABEL2:
   pushq  %rbp                # Save old EBP
   movq    %rsp, %rbp         # Save old ESP
   addq    $-16, %rsp

   ##MoMo %5 <- %-1
   movq   %rbp, %rbx
   ##MovL %6 <- 16
   movq   $16, %rax
   ##MoOp %7 <- %5,%6
   addq   %rbx, %rax
   ##MToR %8 <- #7
   movq   (%rax), %rbx
   ##MovL %13 <- -8
   movq   $-8, %rax
   ##MoOp %13 <- %13,%-1
   addq   %rbp, %rax
   ##RToM #13 <- %8
   movq   %rbx, (%rax)
   ##MovL %9 <- 0
   movq   $0, %rax
   ##MoMo %10 <- %9
   ##MovL %11 <- 20
   movq   $20, %rbx
   ##MoMo %12 <- %11
   ##PuAl
   pushq  %rax                  ## prepare call
   pushq  %rbx                  ## prepare call
   ##Push %12
   pushq  %rbx
   ##Push %10
   pushq  %rax
   ##MovL %13 <- -8
   movq   $-8, %rax
   ##MoOp %13 <- %13,%-1
   addq   %rbp, %rax
   ##MToR %13 <- #13
   movq   (%rax), %rax
   ##Push %13
   pushq  %rax
   ##Call (#740882966)
   call   __LABEL1
   ##PopD
   add   $8, %rsp
   ##PopD
   add   $8, %rsp
   ##PopD
   add   $8, %rsp
   ##PoAl
   popq   %rbx
   popq   %rax

   movq    %rbp, %rsp            # Restore ESP
   popq    %rbp                  # Restore EBP
   retq

__LABEL1:
   pushq  %rbp                # Save old EBP
   movq    %rsp, %rbp         # Save old ESP
   addq    $-16, %rsp

   ##MovL %4 <- 48
   movq   $48, %rax
   ##Prin %4
   pushq  %rax                   ## prepare print call
   pushq  %rbx                   ## prepare print call
   pushq  %rax                  ## print
   movq   $1,%rax               ## sys_write
   movq   $1,%rdi               ## fd stdout
   movq   %rsp,%rsi             ## string pointer
   movq   $1,%rdx               ## size
   syscall                      ## syscall
   popq   %rsi                  ##
   popq   %rbx
   popq   %rax

   movq    %rbp, %rsp            # Restore ESP
   popq    %rbp                  # Restore EBP
   retq

__LABEL0:
   pushq  %rbp                # Save old EBP
   movq    %rsp, %rbp         # Save old ESP
   addq    $-16, %rsp

   ##MoMo %0 <- %-1
   movq   %rbp, %rbx
   ##MovL %1 <- 16
   movq   $16, %rax
   ##MoOp %2 <- %0,%1
   addq   %rbx, %rax
   ##MToR %3 <- #2
   movq   (%rax), %rax
   ##PuAl
   pushq  %rax                  ## prepare call
   pushq  %rbx                  ## prepare call
   ##Push %3
   pushq  %rax
   ##Call (#0)
   call   __LABEL2
   ##PopD
   add   $8, %rsp
   ##PoAl
   popq   %rbx
   popq   %rax

   movq    %rbp, %rsp            # Restore ESP
   popq    %rbp                  # Restore EBP
   retq

fail_exit:
   movl   $1, %eax
   popq   %rbp
   retq
Expected
0
Got
0