Date: Sun, 22 Feb 2009 18:45:30 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r188923 - in head: share/mk sys/conf Message-ID: <200902221845.n1MIjUTM003527@svn.freebsd.org>
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Author: nwhitehorn Date: Sun Feb 22 18:45:30 2009 New Revision: 188923 URL: http://svn.freebsd.org/changeset/base/188923 Log: Explicitly disable generation of Altivec instructions in the kernel on PowerPC, and add support to allow users to set their CPUTYPE in make.conf. Modified: head/share/mk/bsd.cpu.mk head/sys/conf/kern.mk Modified: head/share/mk/bsd.cpu.mk ============================================================================== --- head/share/mk/bsd.cpu.mk Sun Feb 22 18:22:21 2009 (r188922) +++ head/share/mk/bsd.cpu.mk Sun Feb 22 18:45:30 2009 (r188923) @@ -118,6 +118,8 @@ _CPUCFLAGS = -mcpu=${CPUTYPE} . if ${CPUTYPE} == "e500" MACHINE_CPU = booke _CPUCFLAGS = -Wa,-me500 -msoft-float +. else +_CPUCFLAGS = -mcpu=${CPUTYPE} . endif . elif ${MACHINE_ARCH} == "mips" . if ${CPUTYPE} == "mips32" Modified: head/sys/conf/kern.mk ============================================================================== --- head/sys/conf/kern.mk Sun Feb 22 18:22:21 2009 (r188922) +++ head/sys/conf/kern.mk Sun Feb 22 18:45:30 2009 (r188923) @@ -78,9 +78,10 @@ INLINE_LIMIT?= 8000 # # For PowerPC we tell gcc to use floating point emulation. This avoids using # floating point registers for integer operations which it has a tendency to do. +# Also explicitly disable Altivec instructions inside the kernel. # .if ${MACHINE_ARCH} == "powerpc" -CFLAGS+= -msoft-float +CFLAGS+= -msoft-float -mno-altivec INLINE_LIMIT?= 15000 .endif
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