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9a6a587e67
Conceptually very similar to timingsafe_bcmp(), but with comparison logic inspired by Elijah Stone's fancy memcmp. A baseline (SSE) implementation was omitted this time as I was not able to get it to perform adequately. Best I got was 8% over the scalar version for long inputs, but slower for short inputs. Sponsored by: The FreeBSD Foundation Approved by: security (cperciva) Inspired by: https://github.com/moon-chilled/fancy-memcmp Differential Revision: https://reviews.freebsd.org/D41696 (cherry picked from commit 5048c1b85506c5e0f441ee7dd98dd8d96d0a4a24)
19 lines
258 B
Makefile
19 lines
258 B
Makefile
MDSRCS+= \
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amd64_archlevel.c \
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bcmp.S \
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memchr.S \
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memcmp.S \
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memcpy.S \
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memmove.S \
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memset.S \
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stpcpy.S \
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strcat.S \
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strchrnul.S \
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strcmp.S \
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strcpy.c \
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strcspn.S \
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strlen.S \
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strnlen.c \
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strspn.S \
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timingsafe_bcmp.S \
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timingsafe_memcmp.S
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