Date: Tue, 22 Dec 1998 09:45:37 -0500 (EST) From: Alfred Perlstein <bright@hotjobs.com> To: Paolo Di Francesco <paipai@tin.it> Cc: freebsd-sparc@FreeBSD.ORG Subject: Re: Cross compiled code Message-ID: <Pine.BSF.4.05.9812220941370.6331-100000@bright.fx.genx.net> In-Reply-To: <19981222090251.CUQO18112.fep03-svc@winworkstation>
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Try -fomit-frampointer (or equiv)
%fp offset looks offwhack, but i'm not sure. the code looks ok and i
commented it for you. (*) means i'm unsure, but i'll check my book on the
way to work.
-Alfred
> Can someone if this code is correct?
>
>
> ----- the original program prova.c (c code) -------
>
>
> main(){
> int a,b;
>
> a = 10;
> b = 20 + a;
> }
>
> --------------------------------------------
>
> compiled with xgcc -S
>
> --------------------------------------------
> .file "prova.c"
> .section ".text"
> .align 4
> .global main
> .type main,#function
> .proc 04
> main:
> !#PROLOGUE# 0
> save %sp,-208,%sp ! adjust stack fram
> !#PROLOGUE# 1
> mov 10,%o0 ! a = 10
> st %o0,[%fp+2027] ! this looks fishy 2027 looks a bit high(*)
> ld [%fp+2027],%o0 ! fishy (*)
> add %o0,20,%o1 ! a + 20 ->
> st %o1,[%fp+2023] ! fishy (*)
> .LL1:
> return %i7+8
> nop
> .LLfe1:
> .size main,.LLfe1-main
> .ident "GCC: (GNU) egcs-2.91.60 19981201 (egcs-1.1.1 release)"
>
> ---------------------------------------------------------------
>
> I have linked it and it seems ok.
>
> P.S. host=Linux-RedHat5.0
>
>
> Ciao Ciao
> Paolo Di Francesco
> _
> ->B<- All Recycled Bytes Message ...
> ~
>
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