sys/platform/pc64/conf/kern.mk

   1 # $FreeBSD: src/sys/conf/kern.mk,v 1.52 2007/05/24 21:53:42 obrien Exp $
   2 # $DragonFly: src/sys/platform/pc64/conf/kern.mk,v 1.1 2007/09/23 04:29:31 yanyh Exp $
   3
   4 #
   5 # Warning flags for compiling the kernel and components of the kernel.
   6 #
   7 # For AMD64, we explicitly prohibit the use of FPU, SSE and other SIMD
   8 # operations inside the kernel itself.  These operations are exclusively
   9 # reserved for user applications.
  10 #
  11 CFLAGS+=        -mpreferred-stack-boundary=4
  12 CFLAGS+=        -mcmodel=kernel -mno-red-zone \
  13                 -mfpmath=387 -mno-sse -mno-sse2 -mno-mmx -mno-3dnow \
  14                 -msoft-float -fno-asynchronous-unwind-tables
  15 INLINE_LIMIT?=  8000