From 873130bbd3343946bbd479c871589ae9494e26f3 Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Sun, 10 Mar 2019 13:44:39 +0100
Subject: forgot the Makefile

---
 test/monniaux/multithreaded_volatile/Makefile | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 test/monniaux/multithreaded_volatile/Makefile

(limited to 'test/monniaux/multithreaded_volatile')

diff --git a/test/monniaux/multithreaded_volatile/Makefile b/test/monniaux/multithreaded_volatile/Makefile
new file mode 100644
index 00000000..0234b02a
--- /dev/null
+++ b/test/monniaux/multithreaded_volatile/Makefile
@@ -0,0 +1,18 @@
+all: volatile.ccomp.k1c volatile.gcc.k1c
+
+volatile.ccomp.k1c : volatile.ccomp.k1c.s
+	k1-cos-gcc $< -o $@
+
+volatile.gcc.k1c : volatile.gcc.k1c.s
+	k1-cos-gcc $< -o $@
+
+volatile.ccomp.k1c.s : volatile.c
+	../../../ccomp -O2 -Wall -Wno-c11-extensions -S $< -o $@
+
+volatile.gcc.k1c.s : volatile.c
+	k1-cos-gcc -O2 -Wall -Werror=implicit -std=gnu99 -S $< -o $@
+
+clean:
+	-rm -f *.k1c *.s
+
+.PHONY: clean
-- 
cgit 


From 075b632376b95ccc8874a0496a2b25b740820084 Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Mon, 11 Mar 2019 21:18:58 +0100
Subject: wrong directory, fixed

---
 test/monniaux/multithreaded_volatile/volatile.c | 33 +++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 test/monniaux/multithreaded_volatile/volatile.c

(limited to 'test/monniaux/multithreaded_volatile')

diff --git a/test/monniaux/multithreaded_volatile/volatile.c b/test/monniaux/multithreaded_volatile/volatile.c
new file mode 100644
index 00000000..d4e08d6d
--- /dev/null
+++ b/test/monniaux/multithreaded_volatile/volatile.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <time.h>
+
+int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
+                          void *(*start_routine) (void *), void *arg);
+int pthread_join(pthread_t thread, void **retval);
+
+typedef unsigned data;
+
+static inline data powM(data x, unsigned e) {
+  data y = 1;
+  for(unsigned i=0; i<e; i++) {
+    y = (y * x) % 65537;
+  }
+  return y;
+}
+
+void* second_thread_entry(void *ptr) {
+  *((volatile data*) ptr) = powM(3, 65536);
+  return NULL;
+}
+
+int main() {
+  pthread_t second_thread_id;
+  volatile data value;
+  pthread_create(&second_thread_id, NULL,
+                 second_thread_entry, (void*) &value);
+  value = 69;
+  data correct = powM(3, 65536*2);
+  data read = value;
+  pthread_join(second_thread_id, NULL);
+  printf("%u %u %s\n", read, correct, read == correct ? "OK" : "FAIL");
+}
-- 
cgit 


From 4cb7dc42f8be5fac13f7a36deb5f312ce19583cc Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Wed, 10 Apr 2019 18:54:59 +0200
Subject: now compiles with pthread.h

---
 test/monniaux/multithreaded_volatile/volatile.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'test/monniaux/multithreaded_volatile')

diff --git a/test/monniaux/multithreaded_volatile/volatile.c b/test/monniaux/multithreaded_volatile/volatile.c
index d4e08d6d..f8ffee2d 100644
--- a/test/monniaux/multithreaded_volatile/volatile.c
+++ b/test/monniaux/multithreaded_volatile/volatile.c
@@ -1,9 +1,6 @@
 #include <stdio.h>
 #include <time.h>
-
-int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
-                          void *(*start_routine) (void *), void *arg);
-int pthread_join(pthread_t thread, void **retval);
+#include <pthread.h>
 
 typedef unsigned data;
 
-- 
cgit 


From 56249c0fa5aa96767ce3fd9be76b8a9e7bef0231 Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Fri, 12 Apr 2019 12:30:49 +0200
Subject: some more simplifications

---
 test/monniaux/multithreaded_volatile/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'test/monniaux/multithreaded_volatile')

diff --git a/test/monniaux/multithreaded_volatile/Makefile b/test/monniaux/multithreaded_volatile/Makefile
index 0234b02a..35717953 100644
--- a/test/monniaux/multithreaded_volatile/Makefile
+++ b/test/monniaux/multithreaded_volatile/Makefile
@@ -7,7 +7,7 @@ volatile.gcc.k1c : volatile.gcc.k1c.s
 	k1-cos-gcc $< -o $@
 
 volatile.ccomp.k1c.s : volatile.c
-	../../../ccomp -O2 -Wall -Wno-c11-extensions -S $< -o $@
+	../../../ccomp -O2 -Wall -S $< -o $@
 
 volatile.gcc.k1c.s : volatile.c
 	k1-cos-gcc -O2 -Wall -Werror=implicit -std=gnu99 -S $< -o $@
-- 
cgit