sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 73 insertions, 0 deletions

diff --git a/support/regression/tests/bug3565757.c b/support/regression/tests/bug3565757.c
new file mode 100644
index 0000000..3dc73f4
--- /dev/null
+++ b/support/regression/tests/bug3565757.c
@@ -0,0 +1,73 @@
+/*
+   bug3565757.c
+*/
+
+#include <testfwk.h>
+
+#pragma std_c99
+#pragma disable_warning 85
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+
+typedef uint_least16_t edge_index_t;
+
+struct edge_t
+{
+	uint_fast8_t u[2];
+	uint_fast8_t v[2];
+	edge_index_t prev;
+	edge_index_t next;
+	bool in_stix;
+};
+
+#ifndef __SDCC_pdk14 // Lack of memory
+struct edge_t edges[4];
+
+void init_edges(void)
+{
+}
+
+void get_edge(struct edge_t *const e, const edge_index_t e_i)
+{
+}
+
+void set_edge(const edge_index_t e_i, const struct edge_t *const e)
+{
+	memcpy(edges + e_i, e, sizeof(struct edge_t));
+}
+
+const uint_fast8_t vertices[4][2] = {{7, 188}, {248, 188}, {248, 9}, {7, 9}};
+
+struct edge_t edge_cache;
+
+void init_geometry(void)
+{
+	edge_index_t i;
+	init_edges();
+
+	for(i = 0; i < 4; i++)
+	{
+		get_edge(&edge_cache, i);
+		edge_cache.u[0] = vertices[(i + 0) % 4][0];
+		edge_cache.u[1] = vertices[(i + 0) % 4][1];
+		edge_cache.v[0] = vertices[(i + 1) % 4][0];
+		edge_cache.v[1] = vertices[(i + 1) % 4][1];
+		edge_cache.prev = (i + 3) % 4;
+		edge_cache.next = (i + 1) % 4;
+		set_edge(i, &edge_cache);
+	}
+}
+#endif
+
+void testBug(void)
+{
+#ifndef __SDCC_pdk14 // Lack of memory
+	init_geometry();
+
+	ASSERT(edges[0].prev = 3);
+	ASSERT(edges[3].prev = 2);
+#endif
+}
+