Re: egcs-19990502 u77-test.f failure on Irix6.5

[Zack Weinberg <zack at rabi dot columbia dot edu>]

On 3 May 1999 22:25:56 -0000, craig@jcb-sc.com wrote:
>>Ah.  But.  I see the problem.  g77 is passing a `long *' for xstime,
>>even though it really points to an `int', not a `long'.  Naughty.  I
>>was wondering why there was an apparently spurious "st %l1,[%fp-116]"
>>before the second call, why earlier there was a "std" into what
>>seemed to be the location for `i', etc.  Looking at the Irix6 output
>>Tim sent confirmed this.
>
>Well, I'm no longer convinced the bug is in the g77 front end.  I'll
>try to investigate further, maybe by trying to build a cross-compiler
>for one of the targets.
>
>Is this problem happening only on systems with 64-bit-ness, e.g.
>where `long int' is 64 bits but `int' is 32?  It might be that
>the gcc back end isn't properly handling ADDR_EXPR(NOP_EXPR(VAR_DECL))
>where the VAR_DECL is SImode but the NOP_EXPR is DImode, or something
>along those lines.

I tested on sparc-sun-solaris2.6, which is 32-bit; 
sizeof(long int) == sizeof(int) == 4.

zw