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kokke
2017-12-06 02:41:02 +01:00
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commit 4097cc59c5
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@@ -45,14 +45,14 @@ GCC size output when only CTR mode is compiled for ARM:
$ arm-none-eabi-gcc -Os -DCBC=0 -DECB=0 -DCTR=1 -c aes.c $ arm-none-eabi-gcc -Os -DCBC=0 -DECB=0 -DCTR=1 -c aes.c
$ size aes.o $ size aes.o
text data bss dec hex filename text data bss dec hex filename
1155 0 184 1339 53b aes.o 1203 0 0 1203 4b3 aes.o
.. and when compiling for the THUMB instruction set, we end up just above 1K in code size. .. and when compiling for the THUMB instruction set, we end up just above 1K in code size.
$ arm-none-eabi-gcc -Os -mthumb -DCBC=0 -DECB=0 -DCTR=1 -c aes.c $ arm-none-eabi-gcc -Os -mthumb -DCBC=0 -DECB=0 -DCTR=1 -c aes.c
$ size aes.o $ size aes.o
text data bss dec hex filename text data bss dec hex filename
855 0 184 1039 40f aes.o 955 0 0 955 3bb aes.o
I am using the Free Software Foundation, ARM GCC compiler: I am using the Free Software Foundation, ARM GCC compiler: