From: Andreas Schwab <schwab@linux-m68k.org>
To: Tom Tromey <tromey@redhat.com>
Cc: 4470@emacsbugs.donarmstrong.com
Subject: bug#4470: Acknowledgement (23.1; threaded interpreter)
Date: Fri, 18 Sep 2009 20:25:46 +0200 [thread overview]
Message-ID: <m27hvwm7o5.fsf@igel.home> (raw)
In-Reply-To: <m3r5u4duj2.fsf@fleche.redhat.com> (Tom Tromey's message of "Fri, 18 Sep 2009 11:36:49 -0600")
Tom Tromey <tromey@redhat.com> writes:
> + static int initialized;
> +
> + if (!initialized)
> + {
> + int i;
> + initialized = 1;
> + /* We must initialize every slot in the table. An empty
> + slot before Bconstant should just abort. All the opcodes
> + after Bconstant should use the same code as Bconstant. */
> + for (i = 0; i < 256; ++i)
> + {
> + if (!targets[i])
> + targets[i] = i < Bconstant ? &&insn_default : &&insn_Bconstant;
> + }
> + }
> +#endif
You can use [0 ... 255] = &&insn_default, [Bconstant ... 255] =
&&insn_Bconstant to statically initialize the array, avoiding the
runtime initialisation.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2009-09-18 18:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-17 20:56 bug#4470: 23.1; threaded interpreter Tom Tromey
[not found] ` <handler.4470.B.125322103530189.ack@emacsbugs.donarmstrong.com>
2009-09-18 17:36 ` bug#4470: Acknowledgement (23.1; threaded interpreter) Tom Tromey
2009-09-18 18:25 ` Andreas Schwab [this message]
2009-09-18 19:00 ` Tom Tromey
2012-08-09 20:07 ` bug#4470: 23.1; threaded interpreter Glenn Morris
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