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Re: port-macppc/54827: alloca() is broken in gcc 8 on powerpc
The following reply was made to PR port-macppc/54827; it has been noted by GNATS.
From: Valery Ushakov <uwe%stderr.spb.ru@localhost>
Cc: matthew green <mrg%eterna.com.au@localhost>
Subject: Re: port-macppc/54827: alloca() is broken in gcc 8 on powerpc
Date: Mon, 20 Jan 2020 06:27:20 +0300
On Sun, Jan 19, 2020 at 08:50:01 +0000, matthew green wrote:
> a quick look at what -maltivec does that our STACK_BOUNDARY
> does, and it seems that maybe there are some hard coded 16
> vs 8 cases
Actually, since we are stomping onto the first local variable I wonder
if the one we want is RS6000_STARTING_FRAME_OFFSET that has the
(TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8 part.
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