--- 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];

    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