From 2bb92620ce92f60a0c8b275159c9057c88d48765 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sat, 30 Apr 2016 22:51:50 +0200 Subject: Some things to keep in mind when optimising MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- zahl-internals.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/zahl-internals.h b/zahl-internals.h index afdf416..2024919 100644 --- a/zahl-internals.h +++ b/zahl-internals.h @@ -44,11 +44,15 @@ # define ZAHL_Os /* Don't know how. */ # define ZAHL_Oz /* Don't know how. */ #endif +/* Mostly ZAHL_O2, but sometimes ZAHL_O3, are useful. + * But note, often it optimal to not use any of them. */ #define ZAHL_BITS_PER_CHAR 64 #define ZAHL_LB_BITS_PER_CHAR 6 #define ZAHL_CHAR_MAX UINT64_MAX +/* Note: These, cannot be changed willy-nilly, some code depends + * on them, be cause being flexible would just be too painful. */ #define ZAHL_FLOOR_BITS_TO_CHARS(bits) ((bits) >> ZAHL_LB_BITS_PER_CHAR) -- cgit v1.2.3-70-g09d2