Merge bench_ecdh into bench

.gitignore

@@ -1,5 +1,4 @@
 bench
-bench_ecdh
 bench_ecmult
 bench_schnorrsig
 bench_recover

ci/cirrus.sh

@@ -55,10 +55,6 @@ then
     then
         $EXEC ./bench_recover >> bench.log 2>&1
     fi
-    if [ "$ECDH" = "yes" ]
-    then
-        $EXEC ./bench_ecdh >> bench.log 2>&1
-    fi
     if [ "$SCHNORRSIG" = "yes" ]
     then
         $EXEC ./bench_schnorrsig >> bench.log 2>&1

src/bench.c

@@ -76,6 +76,10 @@ static void bench_sign_run(void* arg, int iters) {
     }
 }
 
+#ifdef ENABLE_MODULE_ECDH
+# include "modules/ecdh/bench_impl.h"
+#endif
+
 int main(void) {
     int i;
     secp256k1_pubkey pubkey;
@@ -112,5 +116,10 @@ int main(void) {
 
     secp256k1_context_destroy(data.ctx);
 
+#ifdef ENABLE_MODULE_ECDH
+    /* ECDH benchmarks */
+    run_ecdh_bench(iters);
+#endif
+
     return 0;
 }

src/modules/ecdh/Makefile.am.include

@@ -1,8 +1,4 @@
 include_HEADERS += include/secp256k1_ecdh.h
 noinst_HEADERS += src/modules/ecdh/main_impl.h
 noinst_HEADERS += src/modules/ecdh/tests_impl.h
-if USE_BENCHMARK
-noinst_PROGRAMS += bench_ecdh
-bench_ecdh_SOURCES = src/bench_ecdh.c
-bench_ecdh_LDADD = libsecp256k1.la $(SECP_LIBS) $(COMMON_LIB)
-endif
+noinst_HEADERS += src/modules/ecdh/bench_impl.h

src/modules/ecdh/bench_impl.h

@@ -4,12 +4,10 @@
  * file COPYING or https://www.opensource.org/licenses/mit-license.php.*
  ***********************************************************************/
 
-#include <string.h>
+#ifndef SECP256K1_MODULE_ECDH_BENCH_H
+#define SECP256K1_MODULE_ECDH_BENCH_H
 
-#include "../include/secp256k1.h"
 #include "../include/secp256k1_ecdh.h"
-#include "util.h"
-#include "bench.h"
 
 typedef struct {
     secp256k1_context *ctx;
@@ -44,18 +42,15 @@ static void bench_ecdh(void* arg, int iters) {
     }
 }
 
-int main(void) {
+void run_ecdh_bench(int iters) {
     bench_ecdh_data data;
 
-    int iters = get_iters(20000);
-
     /* create a context with no capabilities */
     data.ctx = secp256k1_context_create(SECP256K1_FLAGS_TYPE_CONTEXT);
 
-    print_output_table_header_row();
-
     run_benchmark("ecdh", bench_ecdh, bench_ecdh_setup, NULL, &data, 10, iters);
 
     secp256k1_context_destroy(data.ctx);
-    return 0;
 }
+
+#endif /* SECP256K1_MODULE_ECDH_BENCH_H */