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From: "amodra at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug rtl-optimization/63281] powerpc64le creates 64 bit constants
 from scratch instead of loading them
Date: Thu, 30 Dec 2021 07:14:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D63281

--- Comment #15 from Alan Modra <amodra at gmail dot com> ---
(In reply to Jiu Fu Guo from comment #14)
> It would be a way to keep the data in memory(.rodata) through adjusting t=
he
> cost of constant.

Yes, I posted a series of patches that fix this problem and other rtx costs=
.=20
Look for patches with "rs6000_rtx_costs" in the subject.  Some of the patch=
es
were even approved, but not all in the series.  I am disillusioned enough w=
ith
gcc that I won't be pushing those patches or attempting any future gcc work=
.=20
You or anyone else are welcome to pick up the pieces.=