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[PATCH] x86-64: Don't disable basic block reordering

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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>
This commit is contained in:
Andi Kleen 2007-05-02 19:27:08 +02:00 • committed by Andi Kleen
commit 1652fcbf37
1 changed files with 0 additions and 3 deletions
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3
arch/x86_64/Makefile
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@ -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)