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combine --enable-target-optspace with PREFER_SIZE_OVER_SPEED?

From: "Jaap de Wolff" <info at jasoon dot nl>
To: <newlib at sourceware dot org>
Date: Sat, 17 Feb 2018 14:31:28 +0100
Subject: combine --enable-target-optspace with PREFER_SIZE_OVER_SPEED?
Authentication-results: sourceware.org; auth=none

Hello,

Is there anything against combining   --enable-target-optspace with
PREFER_SIZE_OVER_SPEED?
At this moment PREFER_SIZE_OVER_SPEED is defined for a few selected
processors, and cannot be configured itself.
I do think it makes sense that when setting --enable-target-optspace also
defines PREFER_SIZE_OVER_SPEED.

The implementation I have in mind is:
We let the processors for which that at this moment PREFER_SIZE_OVER_SPEED
is defined, default to --enable-target-optspace.
All other processors will default to --disable-target-optspace.
When --enable-target-optspace is given we also define
PREFER_SIZE_OVER_SPEED.
On processors that default to --enable-target-optspace, we can undef
PREFER_SIZE_OVER_SPEED by configuring with  --disable-target-optspace

Arguments pro- against?

Jaap de Wolff

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