Hi,
     I came across the -mpcu=cortex-a8 option in the codesourcery gcc. When I 
added that to build the Linux kernel, I found that there are no differences in 
the kernel code with and without the options.  The following are the gcc 
options that where used to build the kernel. Am I missing something?

-nostdinc -isystem 
/data/arm-2007q3/bin/../lib/gcc/arm-none-linux-gnueabi/4.2.1/include 
-mlittle-endian -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs 
-fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Os   
-fno-stack-protector -marm -fno-omit-frame-pointer -mapcs -mno-sched-prolog 
-mabi=aapcs-linux -mno-thumb-interwork  -march=armv7a -mcpu=cortex-a8 
-mtune=cortex-a8   -msoft-float -Uarm -fno-omit-frame-pointer 
-fno-optimize-sibling-calls -g -Wdeclaration-after-statement -Wno-pointer-sign  
   

Thanks,
-Romit

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