Message-Id: <199905261913.OAA22344@mail.mankato.msus.edu>
Date: Wed, 26 May 1999 14:12:47 -0500 (CDT)
From: Jeffrey Hundstad <jeffrey DOT hundstad AT mankato DOT msus DOT edu>
Subject: Re: internal compiler error
To: pgcc AT delorie DOT com
cc: deman AT win DOT tue DOT nl
In-Reply-To: <19990526194830.A2551@win.tue.nl>
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This does NOT issue an internal compiler error when using:

gcc-2.8.1
egcs-2.91.66
egcc-2.91.60

-- 
Jeffrey Hundstad


On 26 May, Ronald de Man wrote:
> Hello,
> 
> Compiling the following piece of code with optimization -O or higher,
> leads to an internal compiler error with pgcc-1.1.3:
> 
> -----bla.c-----
> 
> long long abc;
> long long G(int);
> void bla(int);
> 
> struct {
>   int h;
> } k;
>  
> void R(int t)
> {
>   int a,b;
> 
>   for(a=1;a<=2;a++) {
>     if(a)
>       k.h^=1;
>     bla(4 * (int)(abc >> 60));
>     if (G(100) != (abc  & 1) )
>       b+=G(b)*t;
>   }
> }
> 
> ---------------
> 
> $ gcc -c -O bla.c
> bla.c: In function `R':
> bla.c:20: internal error--insn does not satisfy its constraints:
> (insn:HI 38 111 39 (set (reg:SI 1 %edx)
>         (subreg:SI (ashiftrt:DI (reg:DI 0 %eax)
>                 (const_int 60)) 0)) 253 {ashrdi3_const_int_subreg} (insn_list 34 (nil))
>     (expr_list:REG_DEAD (mem:DI (symbol_ref:SI ("abc")))
>         (nil)))
> ../../pgcc-1.1.3/gcc/toplev.c:1438: Internal compiler error in function fatal_insn
> 
> pgcc-1.1.1 gives a similar error:
> 
> $ gcc -Vpgcc-2.91.60 -bi586-pc-linux-gnu -c -O bla.c
> bla.c: In function `R':
> bla.c:20: internal error--insn does not satisfy its constraints:
> (insn:HI 38 106 39 (set (reg:SI 1 %edx)
>         (subreg:SI (ashiftrt:DI (reg:DI 0 %eax)
>                 (const_int 60)) 0)) 242 {ashrdi3_const_int_subreg} (insn_list 34 (nil))
>     (expr_list:REG_DEAD (mem:DI (symbol_ref:SI ("abc")))
>         (nil)))
> ../../egcs-1.1.1/gcc/toplev.c:1431: Internal compiler error in function fatal_insn
> 
> 
> Ronald
>