Regression test for proper stack alignment for SSE2 instructions.

6 files changed, 72 insertions, 0 deletions

diff --git a/regress/misc/sse2/Makefile b/regress/misc/sse2/Makefile
new file mode 100644
index 00000000000..be58f147fc3
--- /dev/null
+++ b/regress/misc/sse2/Makefile
@@ -0,0 +1,5 @@
+.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
+SUBDIR+= libbar foo
+.endif
+
+.include <bsd.subdir.mk>
diff --git a/regress/misc/sse2/foo/Makefile b/regress/misc/sse2/foo/Makefile
new file mode 100644
index 00000000000..fc5bb84bf81
--- /dev/null
+++ b/regress/misc/sse2/foo/Makefile
@@ -0,0 +1,16 @@
+.include <bsd.obj.mk>
+
+BAR_DIR=	${.CURDIR}/../libbar
+
+BAR_OBJDIR!=	if [ -d $(BAR_DIR)/${__objdir} ]; then \
+			echo "$(BAR_DIR)/${__objdir}"; \
+		else \
+			echo "$(BAR_DIR)"; \
+		fi
+
+PROG=		foo
+SRCS=		foo.c
+LDADD=		-Wl,-rpath,$(BAR_OBJDIR) -L$(BAR_OBJDIR) -lbar -lpthread
+CFLAGS+=	-msse2
+
+.include <bsd.regress.mk>
diff --git a/regress/misc/sse2/foo/foo.c b/regress/misc/sse2/foo/foo.c
new file mode 100644
index 00000000000..bc95372e0c6
--- /dev/null
+++ b/regress/misc/sse2/foo/foo.c
@@ -0,0 +1,29 @@
+#include <emmintrin.h>
+#include <pthread.h>
+
+void foobar(void) __attribute__((constructor));
+
+void *
+foo(void *arg)
+{
+	__m128i xmm_alpha;
+
+	if ((((unsigned long)&xmm_alpha) & 15) != 0)
+		exit(1);
+}
+
+void
+foobar(void)
+{
+	foo(NULL);
+}
+
+int
+main(void)
+{
+	pthread_t thread;
+
+	foo(NULL);
+	pthread_create(&thread, NULL, foo, NULL);
+	return 0;
+}
diff --git a/regress/misc/sse2/libbar/Makefile b/regress/misc/sse2/libbar/Makefile
new file mode 100644
index 00000000000..a5ce621d0f7
--- /dev/null
+++ b/regress/misc/sse2/libbar/Makefile
@@ -0,0 +1,8 @@
+LIB=		bar
+SRCS=		bar.c
+
+CFLAGS+=	-msse2
+
+regress: all
+
+.include <bsd.lib.mk>
diff --git a/regress/misc/sse2/libbar/bar.c b/regress/misc/sse2/libbar/bar.c
new file mode 100644
index 00000000000..2d47a8209fe
--- /dev/null
+++ b/regress/misc/sse2/libbar/bar.c
@@ -0,0 +1,12 @@
+#include <emmintrin.h>
+
+void bar(void) __attribute__((constructor));
+
+void
+bar(void)
+{
+	__m128i xmm_alpha;
+
+	if ((((unsigned long)&xmm_alpha) & 15) != 0)
+		exit(1);
+}
diff --git a/regress/misc/sse2/libbar/shlib_version b/regress/misc/sse2/libbar/shlib_version
new file mode 100644
index 00000000000..1edea46de91
--- /dev/null
+++ b/regress/misc/sse2/libbar/shlib_version
@@ -0,0 +1,2 @@
+major=1
+minor=0