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14a50c9d23
Assorted tweaking, twisting and tuning to squeeze a few additional cycles out of the memchr code. Changes include bypassing the shift pairs (sld,srd) when they are not required, and unrolling the small_loop that handles short and trailing strings. Per scrollpipe data measuring aligned strings for 64-bit, these changes save between five and eight cycles (9-13% overall) for short strings (<32), Longer aligned strings see slight improvement of 1-3% due to bypassing the shifts and the instruction rearranging. |
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|---|---|---|
| .. | ||
| fpu | ||
| Implies | ||
| Makefile | ||
| memchr.S | ||
| memcmp.S | ||
| memcpy.S | ||
| mempcpy.S | ||
| memrchr.S | ||
| memset.S | ||
| rawmemchr.S | ||
| strcasecmp_l.S | ||
| strcasecmp.S | ||
| strchr.S | ||
| strchrnul.S | ||
| strlen.S | ||
| strncmp.S | ||
| strnlen.S | ||