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[Bug c/40803] Optimization generates bad assembly causing compile to fail



------- Comment #1 from net147 at gmail dot com  2009-07-19 08:21 -------
Created an attachment (id=18225)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18225&action=view)
Preprocessed output

$ gcc -Wp,-MD,drivers/staging/meilhaus/.memain.o.d  -nostdinc -isystem
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/include -Iinclude 
-I/home/net147/gccbug/linux-2.6.29/arch/x86/include -include
include/linux/autoconf.h -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes
-Wno-trigraphs -fno-strict-aliasing -fno-common
-Werror-implicit-function-declaration -O2 -m64 -mtune=generic -mno-red-zone
-mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args -DCONFIG_AS_CFI=1
-DCONFIG_AS_CFI_SIGNAL_FRAME=1 -pipe -Wno-sign-compare
-fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
-Iarch/x86/include/asm/mach-default -Wframe-larger-than=2048
-fno-stack-protector -fomit-frame-pointer -Wdeclaration-after-statement
-Wno-pointer-sign -fwrapv -fno-dwarf2-cfi-asm -DMODULE -D"KBUILD_STR(s)=#s"
-D"KBUILD_BASENAME=KBUILD_STR(memain)"  -D"KBUILD_MODNAME=KBUILD_STR(memain)" 
-c drivers/staging/meilhaus/memain.c -E > memain.i


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40803


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