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Make this work on platforms where r != x.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5347
This commit is contained in:
Julian Seward 2005-12-15 16:11:25 +00:00
parent bcc3feca7e
commit da4b5dca48
1 changed files with 7 additions and 2 deletions
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9
perf/bigcode.c
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@ -9,6 +9,8 @@
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <sys/mman.h>
#define FN_SIZE 996 // Must be big enough to hold the compiled f()
#define N_LOOPS 20000 // Should be divisible by four
@ -28,13 +30,16 @@ int f(int x, int y)
return y;
}
static char a[FN_SIZE * N_LOOPS];
int main(int argc, char* argv[])
{
int h, i, sum1 = 0, sum2 = 0, sum3 = 0, sum4 = 0;
int n_fns, n_reps;
char* a = mmap(0, FN_SIZE * N_LOOPS,
PROT_EXEC|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, 0,0);
assert(a != (char*)MAP_FAILED);
if (argc <= 1) {
// Mode 1: not so much code
n_fns = N_LOOPS / RATIO;