From: Andi Kleen Date: Wed, 2 May 2007 17:27:08 +0000 (+0200) Subject: [PATCH] x86-64: Don't disable basic block reordering X-Git-Tag: v2.6.22-rc1~1011^2~171 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1652fcbf37abdbbebaf386b46b20e486769e7b45;p=linux-2.6 [PATCH] x86-64: Don't disable basic block reordering 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 --- diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 2941a915d4..803cfcc9b3 100644 --- a/arch/x86_64/Makefile +++ b/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)