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Re: Problem in reload.c/rtlanal.c on powerpc-unknown-linux-gnu
- To: Joern Rennecke <amylaar at cygnus dot co dot uk>
- Subject: Re: Problem in reload.c/rtlanal.c on powerpc-unknown-linux-gnu
- From: Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>
- Date: Wed, 04 Nov 1998 12:10:01 +0100
- Cc: egcs-bugs at cygnus dot com, amylaar at cygnus dot co dot uk
- References: <4.1.19981015133731.00ac0ce0@mail.lauterbach.com>
Thanks,
it works, the mainline now bootstraps again with your patch (and without
mine). Testsuite results will follow on egcs@cygnus.com (but ignore the
results from egcs-19981103, they are without the emit-rtl.c fix).
Franz.
At 06:41 04.11.98 , Joern Rennecke wrote:
>> I don't know if my patch covers the real bug or if it is correct.
>
>No, it doesn't cover the real bug.
>Please try this patch:
>
>Wed Nov 4 05:34:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
>
> * reload.c (find_reloads): Fix test for usage by other reload
> to handle secondary reloads properly.
>
>Index: reload.c
>===================================================================
>RCS file: /egcs/carton/cvsfiles/egcs/gcc/reload.c,v
>retrieving revision 1.53
>diff -p -r1.53 reload.c
>*** reload.c 1998/10/27 22:38:37 1.53
>--- reload.c 1998/11/04 05:35:50
>*************** find_reloads (insn, replace, ind_levels,
>*** 4104,4110 ****
> for (j = n_reloads - 1; j > first_num; j--)
> {
> if (reload_when_needed[j] == type
>! && reg_mentioned_p (reload_in[i], reload_in[j]))
> {
> reload_when_needed[i] = type;
> break;
>--- 4104,4112 ----
> for (j = n_reloads - 1; j > first_num; j--)
> {
> if (reload_when_needed[j] == type
>! && (reload_secondary_p[i]
>! ? reload_secondary_in_reload[j] == i
>! : reg_mentioned_p (reload_in[i], reload_in[j])))
> {
> reload_when_needed[i] = type;
> break;