From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Modra <alan@linuxcare.com.au>
To: John David Anglin <dave@hiauly1.hia.nrc.ca>
Cc: binutils@sourceware.cygnus.com
Subject: Re: [Patch]: Re: gas 2.10.91 from 20000920 cvs is broken under hpux
Date: Tue, 26 Sep 2000 18:16:00 -0000
Message-id: <Pine.LNX.4.21.0009271145270.10201-100000@front.linuxcare.com.au>
References: <200009262024.QAA00491@hiauly1.hia.nrc.ca>
X-SW-Source: 2000-09/msg00457.html

On Tue, 26 Sep 2000, John David Anglin wrote:

> Changed my mind about the problem being in gcc.  The default when an
> argument description is omitted from a .CALL statement is ARG = NO.
> NO means the argument cannot be relocated.  Thus, the definition of
> arg_reloc_stub_needed needs to be fixed to check all four args and the
> return separately.
> 
> A possible fix is attached below.  Note there is another small fix
> to pa_align as well.

Thanks.  Your analysis looks correct.

Hmm, let's see

#define nonzero_dibits(x) \
  ((x) | (((x) & 0x55555555) << 1) | (((x) & 0xAAAAAAAA) >> 1))
#define arg_reloc_stub_needed(CALLER, CALLEE) \
  (((CALLER) ^ (CALLEE)) & nonzero_dibits (CALLER) & nonzero_dibits (CALLEE))

should work too.

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