Author: sewardj
Date: 2008-03-05 23:40:41 +0000 (Wed, 05 Mar 2008)
New Revision: 7574
Log:
Even more SVal-related performance tuning.
Modified:
branches/HGDEV/helgrind/hg_main.c
Modified: branches/HGDEV/helgrind/hg_main.c
===================================================================
--- branches/HGDEV/helgrind/hg_main.c 2008-03-05 23:33:09 UTC (rev 7573)
+++ branches/HGDEV/helgrind/hg_main.c 2008-03-05 23:40:41 UTC (rev 7574)
@@ -1127,15 +1127,14 @@
}
static inline Bool is_SHVAL_RW (SVal sv) {
+ /* Top 2 bits are 10 (R) or 11 (W) */
return (sv >> 63) != 0;
}
static inline Bool is_SHVAL_R (SVal sv) {
- tl_assert(is_SHVAL_RW(sv));
- return ((sv >> 62) & 1) == 0;
+ return ((sv >> 62) & 3) == 2; /* == 10 (R) */
}
static inline Bool is_SHVAL_W (SVal sv) {
- tl_assert(is_SHVAL_RW(sv));
- return ((sv >> 62) & 1) == 1;
+ return ((sv >> 62) & 3) == 3; /* == 11 (W) */
}
static inline Bool is_SHVAL_Shared (SVal sv) {
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