Implementation notes: armeabi, h1mx515, crypto_hash/atelopus32

Computer: h1mx515
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20130126
Operation: crypto_hash
Primitive: atelopus32

Test failure

Implementation: crypto_hash/atelopus32/ref
Compiler: g++
error 111
crypto_hash does not handle overlap

Number of similar (compiler,implementation) pairs: 189, namely:
CompilerImplementations
g++ ref
g++ -O2 -fomit-frame-pointer ref
g++ -O3 -fomit-frame-pointer ref
g++ -O -fomit-frame-pointer ref
g++ -Os -fomit-frame-pointer ref
g++ -fno-schedule-insns -O2 -fomit-frame-pointer ref
g++ -fno-schedule-insns -O3 -fomit-frame-pointer ref
g++ -fno-schedule-insns -O -fomit-frame-pointer ref
g++ -fno-schedule-insns -Os -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer ref
g++ -mcpu=arm1020t -O2 -fomit-frame-pointer ref
g++ -mcpu=arm1020t -O3 -fomit-frame-pointer ref
g++ -mcpu=arm1020t -O -fomit-frame-pointer ref
g++ -mcpu=arm1020t -Os -fomit-frame-pointer ref
g++ -mcpu=arm10tdmi -O2 -fomit-frame-pointer ref
g++ -mcpu=arm10tdmi -O3 -fomit-frame-pointer ref
g++ -mcpu=arm10tdmi -O -fomit-frame-pointer ref
g++ -mcpu=arm10tdmi -Os -fomit-frame-pointer ref
g++ -mcpu=arm1136j-s -O2 -fomit-frame-pointer ref
g++ -mcpu=arm1136j-s -O2 -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136j-s -O3 -fomit-frame-pointer ref
g++ -mcpu=arm1136j-s -O3 -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136j-s -O -fomit-frame-pointer ref
g++ -mcpu=arm1136j-s -O -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136j-s -Os -fomit-frame-pointer ref
g++ -mcpu=arm1136j-s -Os -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136jf-s -O2 -fomit-frame-pointer ref
g++ -mcpu=arm1136jf-s -O2 -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136jf-s -O3 -fomit-frame-pointer ref
g++ -mcpu=arm1136jf-s -O3 -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136jf-s -O -fomit-frame-pointer ref
g++ -mcpu=arm1136jf-s -O -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm1136jf-s -Os -fomit-frame-pointer ref
g++ -mcpu=arm1136jf-s -Os -fomit-frame-pointer -fno-schedule-insns ref
g++ -mcpu=arm250 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm250 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm250 -O -fomit-frame-pointer ref
g++ -mcpu=arm250 -Os -fomit-frame-pointer ref
g++ -mcpu=arm2 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm2 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm2 -O -fomit-frame-pointer ref
g++ -mcpu=arm2 -Os -fomit-frame-pointer ref
g++ -mcpu=arm3 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm3 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm3 -O -fomit-frame-pointer ref
g++ -mcpu=arm3 -Os -fomit-frame-pointer ref
g++ -mcpu=arm600 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm600 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm600 -O -fomit-frame-pointer ref
g++ -mcpu=arm600 -Os -fomit-frame-pointer ref
g++ -mcpu=arm60 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm60 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm60 -O -fomit-frame-pointer ref
g++ -mcpu=arm60 -Os -fomit-frame-pointer ref
g++ -mcpu=arm610 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm610 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm610 -O -fomit-frame-pointer ref
g++ -mcpu=arm610 -Os -fomit-frame-pointer ref
g++ -mcpu=arm620 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm620 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm620 -O -fomit-frame-pointer ref
g++ -mcpu=arm620 -Os -fomit-frame-pointer ref
g++ -mcpu=arm6 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm6 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm6 -O -fomit-frame-pointer ref
g++ -mcpu=arm6 -Os -fomit-frame-pointer ref
g++ -mcpu=arm700 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm700 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm700 -O -fomit-frame-pointer ref
g++ -mcpu=arm700 -Os -fomit-frame-pointer ref
g++ -mcpu=arm700i -O2 -fomit-frame-pointer ref
g++ -mcpu=arm700i -O3 -fomit-frame-pointer ref
g++ -mcpu=arm700i -O -fomit-frame-pointer ref
g++ -mcpu=arm700i -Os -fomit-frame-pointer ref
g++ -mcpu=arm70 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm70 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm70 -O -fomit-frame-pointer ref
g++ -mcpu=arm70 -Os -fomit-frame-pointer ref
g++ -mcpu=arm7100 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7100 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7100 -O -fomit-frame-pointer ref
g++ -mcpu=arm7100 -Os -fomit-frame-pointer ref
g++ -mcpu=arm710 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm710 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm710 -O -fomit-frame-pointer ref
g++ -mcpu=arm710 -Os -fomit-frame-pointer ref
g++ -mcpu=arm710c -O2 -fomit-frame-pointer ref
g++ -mcpu=arm710c -O3 -fomit-frame-pointer ref
g++ -mcpu=arm710c -O -fomit-frame-pointer ref
g++ -mcpu=arm710c -Os -fomit-frame-pointer ref
g++ -mcpu=arm7500 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7500 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7500 -O -fomit-frame-pointer ref
g++ -mcpu=arm7500 -Os -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -O -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -Os -fomit-frame-pointer ref
g++ -mcpu=arm7 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7 -O -fomit-frame-pointer ref
g++ -mcpu=arm7 -Os -fomit-frame-pointer ref
g++ -mcpu=arm7d -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7d -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7d -O -fomit-frame-pointer ref
g++ -mcpu=arm7d -Os -fomit-frame-pointer ref
g++ -mcpu=arm7di -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7di -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7di -O -fomit-frame-pointer ref
g++ -mcpu=arm7di -Os -fomit-frame-pointer ref
g++ -mcpu=arm7dm -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7dm -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7dm -O -fomit-frame-pointer ref
g++ -mcpu=arm7dm -Os -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -O -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -Os -fomit-frame-pointer ref
g++ -mcpu=arm7m -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7m -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7m -O -fomit-frame-pointer ref
g++ -mcpu=arm7m -Os -fomit-frame-pointer ref
g++ -mcpu=arm7tdmi -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7tdmi -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7tdmi -O -fomit-frame-pointer ref
g++ -mcpu=arm7tdmi -Os -fomit-frame-pointer ref
g++ -mcpu=arm810 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm810 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm810 -O -fomit-frame-pointer ref
g++ -mcpu=arm810 -Os -fomit-frame-pointer ref
g++ -mcpu=arm8 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm8 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm8 -O -fomit-frame-pointer ref
g++ -mcpu=arm8 -Os -fomit-frame-pointer ref
g++ -mcpu=arm920 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm920 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm920 -O -fomit-frame-pointer ref
g++ -mcpu=arm920 -Os -fomit-frame-pointer ref
g++ -mcpu=arm920t -O2 -fomit-frame-pointer ref
g++ -mcpu=arm920t -O3 -fomit-frame-pointer ref
g++ -mcpu=arm920t -O -fomit-frame-pointer ref
g++ -mcpu=arm920t -Os -fomit-frame-pointer ref
g++ -mcpu=arm940t -O2 -fomit-frame-pointer ref
g++ -mcpu=arm940t -O3 -fomit-frame-pointer ref
g++ -mcpu=arm940t -O -fomit-frame-pointer ref
g++ -mcpu=arm940t -Os -fomit-frame-pointer ref
g++ -mcpu=arm9 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm9 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm9 -O -fomit-frame-pointer ref
g++ -mcpu=arm9 -Os -fomit-frame-pointer ref
g++ -mcpu=arm9e -O2 -fomit-frame-pointer ref
g++ -mcpu=arm9e -O3 -fomit-frame-pointer ref
g++ -mcpu=arm9e -O -fomit-frame-pointer ref
g++ -mcpu=arm9e -Os -fomit-frame-pointer ref
g++ -mcpu=arm9tdmi -O2 -fomit-frame-pointer ref
g++ -mcpu=arm9tdmi -O3 -fomit-frame-pointer ref
g++ -mcpu=arm9tdmi -O -fomit-frame-pointer ref
g++ -mcpu=arm9tdmi -Os -fomit-frame-pointer ref
g++ -mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon -O2 -fomit-frame-pointer ref
g++ -mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon -O3 -fomit-frame-pointer ref
g++ -mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon -O -fomit-frame-pointer ref
g++ -mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon -Os -fomit-frame-pointer ref
g++ -mcpu=cortex-r4 -O2 -fomit-frame-pointer ref
g++ -mcpu=cortex-r4 -O3 -fomit-frame-pointer ref
g++ -mcpu=cortex-r4 -O -fomit-frame-pointer ref
g++ -mcpu=cortex-r4 -Os -fomit-frame-pointer ref
g++ -mcpu=ep9312 -O2 -fomit-frame-pointer ref
g++ -mcpu=ep9312 -O3 -fomit-frame-pointer ref
g++ -mcpu=ep9312 -O -fomit-frame-pointer ref
g++ -mcpu=ep9312 -Os -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -O2 -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -O3 -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -O -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -Os -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -O2 -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -O3 -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -O -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -Os -fomit-frame-pointer ref
g++ -mcpu=strongarm -O2 -fomit-frame-pointer ref
g++ -mcpu=strongarm -O3 -fomit-frame-pointer ref
g++ -mcpu=strongarm -O -fomit-frame-pointer ref
g++ -mcpu=strongarm -Os -fomit-frame-pointer ref
g++ -mcpu=xscale -O2 -fomit-frame-pointer ref
g++ -mcpu=xscale -O3 -fomit-frame-pointer ref
g++ -mcpu=xscale -O -fomit-frame-pointer ref
g++ -mcpu=xscale -Os -fomit-frame-pointer ref

Test failure

Implementation: crypto_hash/atelopus32/ref
Compiler: g++ -funroll-loops -fno-schedule-insns -march=iwmmxt -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 12, namely:
CompilerImplementations
g++ -funroll-loops -fno-schedule-insns -march=iwmmxt -O2 -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -march=iwmmxt -O3 -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -march=iwmmxt -O -fomit-frame-pointer ref
g++ -funroll-loops -fno-schedule-insns -march=iwmmxt -Os -fomit-frame-pointer ref
g++ -funroll-loops -march=iwmmxt -O2 -fomit-frame-pointer ref
g++ -funroll-loops -march=iwmmxt -O3 -fomit-frame-pointer ref
g++ -funroll-loops -march=iwmmxt -O -fomit-frame-pointer ref
g++ -funroll-loops -march=iwmmxt -Os -fomit-frame-pointer ref
g++ -mcpu=iwmmxt -O2 -fomit-frame-pointer ref
g++ -mcpu=iwmmxt -O3 -fomit-frame-pointer ref
g++ -mcpu=iwmmxt -O -fomit-frame-pointer ref
g++ -mcpu=iwmmxt -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_hash/atelopus32/ref
Compiler: g++ -mcpu=arm250 -O2 -fomit-frame-pointer
Atelopus.cpp: Atelopus.cpp:1: warning: target CPU does not support interworking
hash.cpp: hash.cpp:1: warning: target CPU does not support interworking
try.cpp: try.cpp:1: warning: target CPU does not support interworking
try.cpp: try-anything.cpp:1: warning: target CPU does not support interworking

Number of similar (compiler,implementation) pairs: 108, namely:
CompilerImplementations
g++ -mcpu=arm250 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm250 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm250 -O -fomit-frame-pointer ref
g++ -mcpu=arm250 -Os -fomit-frame-pointer ref
g++ -mcpu=arm2 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm2 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm2 -O -fomit-frame-pointer ref
g++ -mcpu=arm2 -Os -fomit-frame-pointer ref
g++ -mcpu=arm3 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm3 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm3 -O -fomit-frame-pointer ref
g++ -mcpu=arm3 -Os -fomit-frame-pointer ref
g++ -mcpu=arm600 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm600 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm600 -O -fomit-frame-pointer ref
g++ -mcpu=arm600 -Os -fomit-frame-pointer ref
g++ -mcpu=arm60 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm60 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm60 -O -fomit-frame-pointer ref
g++ -mcpu=arm60 -Os -fomit-frame-pointer ref
g++ -mcpu=arm610 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm610 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm610 -O -fomit-frame-pointer ref
g++ -mcpu=arm610 -Os -fomit-frame-pointer ref
g++ -mcpu=arm620 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm620 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm620 -O -fomit-frame-pointer ref
g++ -mcpu=arm620 -Os -fomit-frame-pointer ref
g++ -mcpu=arm6 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm6 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm6 -O -fomit-frame-pointer ref
g++ -mcpu=arm6 -Os -fomit-frame-pointer ref
g++ -mcpu=arm700 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm700 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm700 -O -fomit-frame-pointer ref
g++ -mcpu=arm700 -Os -fomit-frame-pointer ref
g++ -mcpu=arm700i -O2 -fomit-frame-pointer ref
g++ -mcpu=arm700i -O3 -fomit-frame-pointer ref
g++ -mcpu=arm700i -O -fomit-frame-pointer ref
g++ -mcpu=arm700i -Os -fomit-frame-pointer ref
g++ -mcpu=arm70 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm70 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm70 -O -fomit-frame-pointer ref
g++ -mcpu=arm70 -Os -fomit-frame-pointer ref
g++ -mcpu=arm7100 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7100 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7100 -O -fomit-frame-pointer ref
g++ -mcpu=arm7100 -Os -fomit-frame-pointer ref
g++ -mcpu=arm710 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm710 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm710 -O -fomit-frame-pointer ref
g++ -mcpu=arm710 -Os -fomit-frame-pointer ref
g++ -mcpu=arm710c -O2 -fomit-frame-pointer ref
g++ -mcpu=arm710c -O3 -fomit-frame-pointer ref
g++ -mcpu=arm710c -O -fomit-frame-pointer ref
g++ -mcpu=arm710c -Os -fomit-frame-pointer ref
g++ -mcpu=arm7500 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7500 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7500 -O -fomit-frame-pointer ref
g++ -mcpu=arm7500 -Os -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -O -fomit-frame-pointer ref
g++ -mcpu=arm7500fe -Os -fomit-frame-pointer ref
g++ -mcpu=arm7 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7 -O -fomit-frame-pointer ref
g++ -mcpu=arm7 -Os -fomit-frame-pointer ref
g++ -mcpu=arm7d -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7d -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7d -O -fomit-frame-pointer ref
g++ -mcpu=arm7d -Os -fomit-frame-pointer ref
g++ -mcpu=arm7di -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7di -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7di -O -fomit-frame-pointer ref
g++ -mcpu=arm7di -Os -fomit-frame-pointer ref
g++ -mcpu=arm7dm -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7dm -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7dm -O -fomit-frame-pointer ref
g++ -mcpu=arm7dm -Os -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -O -fomit-frame-pointer ref
g++ -mcpu=arm7dmi -Os -fomit-frame-pointer ref
g++ -mcpu=arm7m -O2 -fomit-frame-pointer ref
g++ -mcpu=arm7m -O3 -fomit-frame-pointer ref
g++ -mcpu=arm7m -O -fomit-frame-pointer ref
g++ -mcpu=arm7m -Os -fomit-frame-pointer ref
g++ -mcpu=arm810 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm810 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm810 -O -fomit-frame-pointer ref
g++ -mcpu=arm810 -Os -fomit-frame-pointer ref
g++ -mcpu=arm8 -O2 -fomit-frame-pointer ref
g++ -mcpu=arm8 -O3 -fomit-frame-pointer ref
g++ -mcpu=arm8 -O -fomit-frame-pointer ref
g++ -mcpu=arm8 -Os -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -O2 -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -O3 -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -O -fomit-frame-pointer ref
g++ -mcpu=strongarm1100 -Os -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -O2 -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -O3 -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -O -fomit-frame-pointer ref
g++ -mcpu=strongarm110 -Os -fomit-frame-pointer ref
g++ -mcpu=strongarm -O2 -fomit-frame-pointer ref
g++ -mcpu=strongarm -O3 -fomit-frame-pointer ref
g++ -mcpu=strongarm -O -fomit-frame-pointer ref
g++ -mcpu=strongarm -Os -fomit-frame-pointer ref