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Re: target/10073: [3.2/3.3 regression]: powerpc cannot split insn while building rscheme
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Gabriel Dos Reis <gdr at integrable-solutions dot net>, gcc-bugs at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
- Date: Sat, 15 Mar 2003 00:38:04 +1030
- Subject: Re: target/10073: [3.2/3.3 regression]: powerpc cannot split insn while building rscheme
- References: <20030314122600.17983.qmail@sources.redhat.com> <m3el5ayshy.fsf@uniton.integrable-solutions.net> <20030314084850.A10016@devserv.devel.redhat.com>
On Fri, Mar 14, 2003 at 08:48:50AM -0500, Jakub Jelinek wrote:
> On Fri, Mar 14, 2003 at 02:42:17PM +0100, Gabriel Dos Reis wrote:
> > Did you regtest it? If so, I would be happy to have it on 3_2-branch.
In progress. I'm heading to bed, and will report back in the morning.
> Also, a minimal testcase for it would be very good if it can be distilled.
typedef struct
{
unsigned short digits[4];
} INT_64;
INT_64 int_64_com (INT_64 a)
{
a.digits[0] ^= 0xFFFF;
a.digits[1] ^= 0xFFFF;
a.digits[2] ^= 0xFFFF;
a.digits[3] ^= 0xFFFF;
return a;
}
--
Alan Modra
IBM OzLabs - Linux Technology Centre