valgrind/valgrind-3.9.0-cachegrind-improvements.patch

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--- valgrind-3.8.1/cachegrind/cg_sim.c.jj 2011-10-26 23:24:32.000000000 +0200
+++ valgrind-3.8.1/cachegrind/cg_sim.c 2011-12-09 17:31:19.256023683 +0100
@@ -42,27 +42,30 @@ typedef struct {
Int size; /* bytes */
Int assoc;
Int line_size; /* bytes */
- Int sets;
Int sets_min_1;
Int line_size_bits;
Int tag_shift;
- HChar desc_line[128]; /* large enough */
UWord* tags;
-} cache_t2;
+ HChar desc_line[128];
+} cache_t2
+#ifdef __GNUC__
+__attribute__ ((aligned (8 * sizeof (Int))))
+#endif
+;
/* By this point, the size/assoc/line_size has been checked. */
static void cachesim_initcache(cache_t config, cache_t2* c)
{
- Int i;
+ Int sets;
c->size = config.size;
c->assoc = config.assoc;
c->line_size = config.line_size;
- c->sets = (c->size / c->line_size) / c->assoc;
- c->sets_min_1 = c->sets - 1;
+ sets = (c->size / c->line_size) / c->assoc;
+ c->sets_min_1 = sets - 1;
c->line_size_bits = VG_(log2)(c->line_size);
- c->tag_shift = c->line_size_bits + VG_(log2)(c->sets);
+ c->tag_shift = c->line_size_bits + VG_(log2)(sets);
if (c->assoc == 1) {
VG_(sprintf)(c->desc_line, "%d B, %d B, direct-mapped",
@@ -72,11 +75,8 @@ static void cachesim_initcache(cache_t c
c->size, c->line_size, c->assoc);
}
- c->tags = VG_(malloc)("cg.sim.ci.1",
- sizeof(UWord) * c->sets * c->assoc);
-
- for (i = 0; i < c->sets * c->assoc; i++)
- c->tags[i] = 0;
+ c->tags = VG_(calloc)("cg.sim.ci.1",
+ sizeof(UWord), sets * c->assoc);
}
/* This attribute forces GCC to inline the function, getting rid of a