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Simplify arena_slab_regind().

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Rewrite arena_slab_regind() to provide sufficient constant data for
the compiler to perform division strength reduction.  This replaces
more general manual strength reduction that was implemented before
arena_bin_info was compile-time-constant.  It would be possible to
slightly improve on the compiler-generated division code by taking
advantage of range limits that the compiler doesn't know about.
This commit is contained in:
Jason Evans
2016-12-21 12:33:17 -08:00
parent 194d6f9de8
commit bacb6afc6c
5 changed files with 66 additions and 59 deletions
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1
Makefile.in
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@@ -184,6 +184,7 @@ TESTS_UNIT := \
$(srcroot)test/unit/rtree.c \
$(srcroot)test/unit/SFMT.c \
$(srcroot)test/unit/size_classes.c \
$(srcroot)test/unit/slab.c \
$(srcroot)test/unit/smoothstep.c \
$(srcroot)test/unit/stats.c \
$(srcroot)test/unit/ticker.c \