Date: Wed, 21 Nov 2007 12:00:08 +0100 From: Marc Olzheim <marcolz@stack.nl> To: freebsd-stable@freebsd.org Cc: Marc Olzheim <marcolz@stack.nl> Subject: Re: FreeBSD 7.0-BETA2 /usr/src/sys/conf/kern.mk Message-ID: <20071121110008.GB37877@ilse.net> In-Reply-To: <20071121105659.GA37877@ilse.net> References: <20071117111446.GA24272@ilse.net> <20071121105659.GA37877@ilse.net>
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On Sat, Nov 17, 2007 at 12:14:46PM +0100, Marc Olzheim wrote:
> For the MACHINE_ARCH == "amd64" & ${CC} != "icc" case,
> the -mno-sse3 flag that *is* set for MACHINE_ARCH == "i386", is not set.
>
> I don't think the current gcc actually uses sse3 anywhere in the kernel
> compile, as my kernels are working as normal, but for the sake of
> completeness, I suggest the attached patch. (For CURRENT as well as
> RELENG_7)
It's /usr/src/sys/conf/kern.mk:1.46 that misses the fact that it can be
set for amd64 as well, not just for i386.
Should I file a PR to get this fixed before 7-RELEASE ?
--- /usr/src/sys/conf/kern.mk.orig 2007-05-24 21:53:42.000000000 +0000
+++ /usr/src/sys/conf/kern.mk 2007-11-17 12:10:28.000000000 +0000
@@ -70,7 +70,7 @@
#
.if ${MACHINE_ARCH} == "amd64"
CFLAGS+= -mcmodel=kernel -mno-red-zone \
- -mfpmath=387 -mno-sse -mno-sse2 -mno-mmx -mno-3dnow \
+ -mfpmath=387 -mno-sse -mno-sse2 -mno-sse3 -mno-mmx -mno-3dnow \
-msoft-float -fno-asynchronous-unwind-tables
INLINE_LIMIT?= 8000
.endif
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