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bug#18995: Error: Could not reserve dynamic heap area.
From: |
Andreas Schwab |
Subject: |
bug#18995: Error: Could not reserve dynamic heap area. |
Date: |
Sun, 09 Nov 2014 17:30:21 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> Given that, it is justified for GCC to give us what we deserve, i.e. a
> loop "unrolled" by executing its body only once. I present the
> disassembly below, for the curious, and it's clear that there's no
> loop there, and also the value of 'size' is never tested at all, since
> GCC decided that the condition 'size > 0x00100000' is always true.
But if you replace 'size > 0x00100000' with true, you get a loop that is
conditionalized by '!ptr', which depends on the execution of the loop
body. Why would it be correct to execute the loop only once,
unconditionally?
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."
- bug#18995: Error: Could not reserve dynamic heap area., (continued)
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Daniel Colascione, 2014/11/08
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area.,
Andreas Schwab <=
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/09
- Message not available
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area., Andreas Schwab, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area., Alexander Shukaev, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/09
- bug#18995: Error: Could not reserve dynamic heap area., Eli Zaretskii, 2014/11/09
- Message not available
- Message not available
- bug#18995: Error: Could not reserve dynamic heap area., Daniel Colascione, 2014/11/09