From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ulrich Drepper <drepper@cygnus.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: libc-hacker@sourceware.cygnus.com
Subject: Re: [PATCH] shut up warnings in bits/string2.h
Date: Wed, 08 Dec 1999 00:34:00 -0000
Message-id: <m3yab5suij.fsf@localhost.localnet>
References: <19991207220811.M515@mff.cuni.cz> <m3g0xdubjw.fsf@localhost.localnet> <19991208092350.A545@mff.cuni.cz>
X-SW-Source: 1999-12/msg00020.html

Jakub Jelinek <jakub@redhat.com> writes:

> All the inlines where I changed this are invoked from macros which guard it
> by something like this:
> __builtin_constant_p (n) && (n) <= 16

Yep.

> gets compiled with -O2 -m32 by gcc 2.96 (but similarly by egcs 1.1.2) into:
> foo:	save	%sp, -224, %sp
> 	sethi	%hi(.LLC0+1), %o0
> 	or	%o0, %lo(.LLC0+1), %o0
> 	add	%o0, -1, %o5
> 	sub	%o0, %o5, %o0
> 	cmp	%o0, 1
> 	bne	.LL145
> 	mov	%i0, %o0
> 	mov	115, %o1
> [...]

This certainly is a SPARC problem.  Maybe some other platform, but not
x86 and presumably not m68k.

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