From c0a6040f568e0c9be07797b2dc2fdd8a3624ec34 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Fri, 9 May 2008 13:09:58 +0100 Subject: translate: helper functions for mimizing cost of key compares --- src/gallium/auxiliary/translate/translate.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/src/gallium/auxiliary/translate/translate.h b/src/gallium/auxiliary/translate/translate.h index de6f09d18a..b8210af50c 100644 --- a/src/gallium/auxiliary/translate/translate.h +++ b/src/gallium/auxiliary/translate/translate.h @@ -95,6 +95,27 @@ struct translate *translate_lookup_or_create( struct translate_context *tctx, struct translate *translate_create( const struct translate_key *key ); +static INLINE int translate_keysize( const struct translate_key *key ) +{ + return 2 * sizeof(int) + key->nr_elements * sizeof(struct translate_element); +} + +static INLINE int translate_key_compare( const struct translate_key *a, + const struct translate_key *b ) +{ + int keysize = translate_keysize(a); + return memcmp(a, b, keysize); +} + + +static INLINE void translate_key_sanitize( struct translate_key *a ) +{ + int keysize = translate_keysize(a); + char *ptr = (char *)a; + memset(ptr + keysize, 0, sizeof(*a) - keysize); +} + + /******************************************************************************* * Private: */ -- cgit v1.2.3