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Dependencies: mbed
main.cpp
- Committer:
- zonzon14
- Date:
- 2019-03-02
- Revision:
- 2:83422444c6e5
- Parent:
- 1:4c0da981b35e
- Child:
- 3:b11d25e57ddd
File content as of revision 2:83422444c6e5:
#include "mbed.h" Timer t1; Timer t2; #define Thumb_mult(d,s) __asm {\ MULS d,s;} #define Thumb2_mult(d,m,s) __asm {\ MULS d,m,s;} int main() { register uint32_t r0= 0xA; register uint32_t r1= 0x3; register uint32_t r2= 0x0; t1.start(); Thumb_mult(r1,r0); t1.stop(); printf("The time taken was %f milliseconds\n", t1.read()/1000); t2.start(); Thumb2_mult(r2,r1,r0); t2.stop(); printf("The time taken was %f milliseconds\n", t2.read()/1000); }