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Mail Archives: djgpp-workers/1999/08/09/07:56:06

Date: Mon, 9 Aug 1999 14:37:55 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: pavenis AT lanet DOT lv, "Mark E." <snowball3 AT bigfoot DOT com>
cc: djgpp-workers AT delorie DOT com
Subject: Re: Performance regression of 2.95 vs. 2.7, x86, loop-related (fwd)
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On Mon, 9 Aug 1999 pavenis AT lanet DOT lv wrote:

> I tested DJGPP ports of gcc-2.7.2.1, gcc-2.8.1, egcs-1.1.2 and gcc-
> 2.95. The latest is ths only one which generates '.p2align 4,,7' (see 
> attachments).

Thanks.  I see that gcc 2.95 aligns function entry points on the 4-byte 
boundaries, and uses ".p2align 4,,7" for jump targets.

So it seems that the only thing we miss to have the better alignment is 
Binutils configured with 16-byte subsection alignment.

Mark, did you succeed to resolve the problems with doing this?

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