X-Git-Url: https://git.libre-soc.org/?p=riscv-tests.git;a=blobdiff_plain;f=benchmarks%2Fcommon%2Futil.h;h=081cfd634526d875bcde36eb0c0ce61346677a1a;hp=082489bf80975eb391b738792c12bcea2ecf8b31;hb=HEAD;hpb=e00aaf2a45352f1f52c5c3694fa7f5aaba66d9a7

diff --git a/benchmarks/common/util.h b/benchmarks/common/util.h
index 082489b..081cfd6 100644
--- a/benchmarks/common/util.h
+++ b/benchmarks/common/util.h
@@ -1,61 +1,13 @@
+// See LICENSE for license details.
+
 #ifndef __UTIL_H
 #define __UTIL_H
 
-//--------------------------------------------------------------------------
-// Macros
-
-// Set HOST_DEBUG to 1 if you are going to compile this for a host
-// machine (ie Athena/Linux) for debug purposes and set HOST_DEBUG
-// to 0 if you are compiling with the smips-gcc toolchain.
-
-#ifndef HOST_DEBUG
-#define HOST_DEBUG 0
-#endif
-
-// Set PREALLOCATE to 1 if you want to preallocate the benchmark
-// function before starting stats. If you have instruction/data
-// caches and you don't want to count the overhead of misses, then
-// you will need to use preallocation.
-
-#ifndef PREALLOCATE
-#define PREALLOCATE 0
-#endif
-
-// Set SET_STATS to 1 if you want to carve out the piece that actually
-// does the computation.
-
-#ifndef SET_STATS
-#define SET_STATS 0
-#endif
-
-#if HOST_DEBUG
-#include <stdio.h>
-static void setStats(int enable) {}
-#else
 extern void setStats(int enable);
-#endif
 
-static void printArray(const char name[], int n, const int arr[])
-{
-#if HOST_DEBUG
-  int i;
-  printf( " %10s :", name );
-  for ( i = 0; i < n; i++ )
-    printf( " %3d ", arr[i] );
-  printf( "\n" );
-#endif
-}
+#include <stdint.h>
 
-static void printDoubleArray(const char name[], int n, const double arr[])
-{
-#if HOST_DEBUG
-  int i;
-  printf( " %10s :", name );
-  for ( i = 0; i < n; i++ )
-    printf( " %g ", arr[i] );
-  printf( "\n" );
-#endif
-}
+#define static_assert(cond) switch(0) { case 0: case !!(long)(cond): ; }
 
 static int verify(int n, const volatile int* test, const int* verify)
 {
@@ -89,11 +41,7 @@ static int verifyDouble(int n, const volatile double* test, const double* verify
   return 0;
 }
 
-#ifndef ncores
-#define ncores 1
-#endif
-
-static void __attribute__((noinline)) barrier()
+static void __attribute__((noinline)) barrier(int ncores)
 {
   static volatile int sense;
   static volatile int count;
@@ -113,8 +61,30 @@ static void __attribute__((noinline)) barrier()
   __sync_synchronize();
 }
 
+static uint64_t lfsr(uint64_t x)
+{
+  uint64_t bit = (x ^ (x >> 1)) & 1;
+  return (x >> 1) | (bit << 62);
+}
+
+static uintptr_t insn_len(uintptr_t pc)
+{
+  return (*(unsigned short*)pc & 3) ? 4 : 2;
+}
+
 #ifdef __riscv
 #include "encoding.h"
 #endif
 
+#define stringify_1(s) #s
+#define stringify(s) stringify_1(s)
+#define stats(code, iter) do { \
+    unsigned long _c = -read_csr(mcycle), _i = -read_csr(minstret); \
+    code; \
+    _c += read_csr(mcycle), _i += read_csr(minstret); \
+    if (cid == 0) \
+      printf("\n%s: %ld cycles, %ld.%ld cycles/iter, %ld.%ld CPI\n", \
+             stringify(code), _c, _c/iter, 10*_c/iter%10, _c/_i, 10*_c/_i%10); \
+  } while(0)
+
 #endif //__UTIL_H