From: Bryce McKinlay <bryce@waitaki.otago.ac.nz>
To: Per Bothner <per@bothner.com>
Cc: Nic Ferrier <nferrier@tapsellferrier.co.uk>, java@gcc.gnu.org
Subject: Re: gcj producing bad code
Date: Sat, 06 Apr 2002 19:34:00 -0000 [thread overview]
Message-ID: <3CAFA318.1080509@waitaki.otago.ac.nz> (raw)
In-Reply-To: <3CAF8956.6040309@bothner.com>
Per Bothner wrote:
> The getY() isn't a super invocation - it's the same as
> (super.getX()).getY()
> or even:
> X t = super.getX();
> return t.getY();
>
> If we're emitting invokespecial to call getY, then I don't think
> the flaw in actually in the bytecode-generation, but more likely
> the front-end (resolve_qualified_expression_name in parse.y)
> incorrectly setting CALL_WITH_SUPER.
Yes, there is definately a problem here. super.getX().getY() produces a
different result to x = super.getX(); x.getY(). We need to fix this for 3.1.
regards
Bryce.
next prev parent reply other threads:[~2002-04-07 1:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-05 15:29 Nic Ferrier
2002-04-05 18:51 ` Bryce McKinlay
2002-04-06 7:55 ` Nic Ferrier
2002-04-06 8:22 ` Eric Blake
2002-04-06 15:47 ` Nic Ferrier
2002-04-06 17:39 ` Per Bothner
2002-04-06 19:34 ` Bryce McKinlay [this message]
2002-04-07 14:31 ` Java patch: " Bryce McKinlay
2002-04-08 2:04 ` Alexandre Petit-Bianco
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