Messages in this thread Patch in this message |  | | | From | Andi Kleen <> | | Subject | [PATCH] [4/48] x86_64: Don't disable basic block reordering | | Date | Sun, 29 Apr 2007 12:52:51 +0200 (CEST) |
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When compiling with -Os (which is default) the compiler defaults to it anyways. And with -O2 it probably generates somewhat better (although also larger) code.
Signed-off-by: Andi Kleen <ak@suse.de>
--- arch/x86_64/Makefile | 3 --- 1 file changed, 3 deletions(-) Index: linux/arch/x86_64/Makefile =================================================================== --- linux.orig/arch/x86_64/Makefile +++ linux/arch/x86_64/Makefile @@ -41,9 +41,6 @@ cflags-y += -mno-red-zone cflags-y += -mcmodel=kernel cflags-y += -pipe cflags-kernel-$(CONFIG_REORDER) += -ffunction-sections -# this makes reading assembly source easier, but produces worse code -# actually it makes the kernel smaller too. -cflags-y += -fno-reorder-blocks cflags-y += -Wno-sign-compare cflags-y += -fno-asynchronous-unwind-tables ifneq ($(CONFIG_DEBUG_INFO),y) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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