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[Bug optimization/7871] [3.3/3.4 regression] ICE on legal code, global register variables problems
- From: "rz at linux-m68k dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 Jan 2004 11:54:03 -0000
- Subject: [Bug optimization/7871] [3.3/3.4 regression] ICE on legal code, global register variables problems
- References: <20020909143600.7871.rz@linux-m68k.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rz at linux-m68k dot org 2004-01-11 11:54 -------
Subject: Re: [3.3/3.4 regression] ICE on legal code, global register variables problems
On Sun, Jan 11, 2004 at 12:45:53AM -0000, pinskia at gcc dot gnu dot org wrote:
>
> ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-01-11 00:45 -------
> Two things, global registers are just evil and a bug that effects m68k should not be
> considered branching blocking.
I might be wrong, but all evidence suggests this bug affects ALL
architectures, not just m68k
It appears global regs are now completely defunct since 3.1 so the
feature could be safely removed in the next release. Not that I would
wish that, it is one of the few features that gives gcc an advantage
over competition in fields like virtual machines.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7871