Re: [Tinycc-devel] Bug in tcc

[Daniel Glöckner]

On Sat, Sep 23, 2006 at 09:39:55PM +0200, Philippe Ribet wrote:
> Code demonstrating the bug:

> int r75_ix_3560(T75* C, double a1){
>  if(a1 >= (double)INT64_MIN){
>    printf("here\n");
>    return 1;
>  } else{
>    printf("there\n");
>    return 0;
>  }
> }

Either I need to get some sleep or the fstp generated in r75_ix_3560 is
wrong:

  47:   50                      push   %eax
  48:   52                      push   %edx
  49:   df 2c 24                fildll (%esp)
  4c:   83 c4 08                add    $0x8,%esp
  4f:   dd 45 08                fldl   0x8(%ebp)
  52:   dd 55 e8                fstl   0xffffffe8(%ebp)
  55:   dd d9                   fstp   %st(1)             <-------
  57:   da e9                   fucompp 
  59:   df e0                   fnstsw %ax
  5b:   f6 c4 05                test   $0x5,%ah

  Daniel