DMD now incorporates a disassembler

[Walter Bright]

On 1/8/2022 10:04 PM, max haughton wrote:
> For GCC/Clang you'd want -S

I know about that, but take a look at it:


 > cat fred.c

int fred(int a[10])
{
     return a[11];
}

 > cc -S test.c
 > cat test.s
         .file   "test.c"
         .text
         .globl  test
         .type   test, @function
test:
.LFB0:
         .cfi_startproc
         pushq   %rbp
         .cfi_def_cfa_offset 16
         .cfi_offset 6, -16
         movq    %rsp, %rbp
         .cfi_def_cfa_register 6
         movl    $0, %eax
         popq    %rbp
         .cfi_def_cfa 7, 8
         ret
         .cfi_endproc
.LFE0:
         .size   test, .-test
         .ident  "GCC: (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4"
         .section        .note.GNU-stack,"", at progbits

************************************************

Contrast with what -vasm does:

 > cat test.d:

int fred(int* a)
{
     return a[11];
}

 > dmd -c test.d -vasm
_D4test4fredFPiZi:
0000:   8B 47 2C                mov     EAX,02Ch[RDI]
0003:   C3                      ret

***********************************************

-vasm gives me what I want to see. There aren't extra steps to getting it, the 
object code is included, and all the boilerplate is omitted.

It's all about the friction.