Gentoo Archives: gentoo-dev

From: Matt Turner <mattst88@g.o>
To: gentoo development <gentoo-dev@l.g.o>
Subject: Re: [gentoo-dev] [PATCH] flag-o-matic.eclass: add some missing MIPS CPU errata options to ALLOWED_FLAGS
Date: Sat, 28 Mar 2020 19:31:51
Message-Id: CAEdQ38GZZPx=gbyLfcFrLufX4O=mpwM+fN_U0aVnGEUVgUecHA@mail.gmail.com
In Reply to: [gentoo-dev] [PATCH] flag-o-matic.eclass: add some missing MIPS CPU errata options to ALLOWED_FLAGS by Joshua Kinard
1 On Sat, Mar 28, 2020 at 12:17 PM Joshua Kinard <kumba@g.o> wrote:
2 >
3 > Noticed during a glibc build for MIPS-III ISA that the -mfix-r4000
4 > and -mfix-r4400 gcc flags got stripped off. These are needed to work
5 > around known CPU errata in R4000 and R4400 CPUs. In addition, also
6 > add the -mfix-rm7000 option (and it's -mno form) to fix errata in the
7 > PMC RM7000 CPU, and the -mr10k-cache-barrier to control the generation
8 > of cache barriers to work around the side-effects of R10000's
9 > speculative execution capabilities.
10
11 Hah, I guess that tells us how many users we have :)
12
13 Reviewed-by: Matt Turner <mattst88@g.o>