This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: Split edge fails when performed on a doloop jump on x86 port

From: Dale Johannesen <dalej at apple dot com>
To: Jim Wilson <wilson at specifixinc dot com>
Cc: gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org, Dale Johannesen <dalej at apple dot com>, Mostafa Hagog <MUSTAFA at il dot ibm dot com>
Date: Thu, 19 Feb 2004 12:21:10 -0800
Subject: Re: Split edge fails when performed on a doloop jump on x86 port
References: <OF341AA08C.160E5341-ONC2256E3D.005F4916-C2256E3D.00615BF8@il.ibm.com> <4033C3EB.9090204@specifixinc.com>

On Feb 18, 2004, at 11:58 AM, Jim Wilson wrote:

I believe the problem is that operand 2 is a MEM, but the pattern uses register_operand. There is an inconsistency in the pattern here, the cosntraints allow operands that the predicates don't.

I've hit instances of this on ppc as well. Would it possible to check for this during bootstrap? I bet there are more of these bugs lurking.

Follow-Ups:
- Re: Split edge fails when performed on a doloop jump on x86 port
  - From: Jim Wilson

References:
- Split edge fails when performed on a doloop jump on x86 port
  - From: Mostafa Hagog
- Re: Split edge fails when performed on a doloop jump on x86 port
  - From: Jim Wilson

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]