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comparison src/cpu/x86/vm/assembler_x86.hpp @ 7474:00af3a3a8df4

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8005522: use fast-string instructions on x86 for zeroing Summary: use 'rep stosb' instead of 'rep stosq' when fast-string operations are available. Reviewed-by: twisti, roland
author kvn
date Thu, 03 Jan 2013 15:09:55 -0800
parents f0c2369fda5a
children e2e6bf86682c
comparison
equal deleted inserted replaced
7473:d092d1b31229 7474:00af3a3a8df4
830 void push(void* v); 830 void push(void* v);
831 void pop(void* v); 831 void pop(void* v);
832 832
833 // These do register sized moves/scans 833 // These do register sized moves/scans
834 void rep_mov(); 834 void rep_mov();
835 void rep_set(); 835 void rep_stos();
836 void rep_stosb();
836 void repne_scan(); 837 void repne_scan();
837 #ifdef _LP64 838 #ifdef _LP64
838 void repne_scanl(); 839 void repne_scanl();
839 #endif 840 #endif
840 841