sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 139 insertions, 0 deletions

diff --git a/src/regression/nestfor.c b/src/regression/nestfor.c
new file mode 100644
index 0000000..654efe8
--- /dev/null
+++ b/src/regression/nestfor.c
@@ -0,0 +1,139 @@
+#include "gpsim_assert.h"
+#include "picregs.h"
+
+unsigned char failures=0;
+
+unsigned int uint0 = 0;
+unsigned int uint1 = 0;
+unsigned char uchar0 = 0;
+unsigned char uchar1 = 0;
+
+void dput(unsigned char val)
+{
+	PORTB = val;
+	PORTA = 0x01;
+	PORTA = 0x00;
+}
+
+void
+done()
+{
+  ASSERT(MANGLE(failures) == 0);
+  PASSED();
+}
+
+/* both loops use the loop variable inside the inner loop */
+void for1(void)
+{
+	unsigned char i, j;
+
+	uchar0 = 0;
+	uchar1 = 0;
+	for(i = 0; i < 3; i++) {
+		uchar0++;
+		for(j = 0; j < 4; j++) {
+			uchar1++;
+			dput(i);
+			dput(j);
+		}
+	}
+	if(uchar0 != 3)
+		failures++;
+	if(uchar1 != 12)
+		failures++;
+}
+
+/* only the outer loop's variable is used inside, inner can be optimized into a repeat-loop */
+void for2(void)
+{
+	unsigned char i, j;
+
+	uchar0 = 0;
+	uchar1 = 0;
+	for(i = 0; i < 3; i++) {
+		uchar0++;
+		for(j = 0; j < 4; j++) {
+			uchar1++;
+			dput(i);
+		}
+	}
+	if(uchar0 != 3)
+		failures++;
+	if(uchar1 != 12)
+		failures++;
+}
+
+/* only the inner loop's variable is used inside */
+void for3(void)
+{
+	unsigned char i, j;
+
+	uchar0 = 0;
+	uchar1 = 0;
+	for(i = 0; i < 3; i++) {
+		uchar0++;
+		for(j = 0; j < 4; j++) {
+			uchar1++;
+			dput(j);
+		}
+	}
+	if(uchar0 != 3)
+		failures++;
+	if(uchar1 != 12)
+		failures++;
+
+}
+
+/* neither loop variable used inside the loops */
+void for4(void)
+{
+	unsigned char i, j;
+
+	uchar0 = 0;
+	uchar1 = 0;
+	for(i = 0; i < 3; i++) {
+		uchar0++;
+		for(j = 0; j < 4; j++) {
+			uchar1++;
+			dput(uchar0);
+			dput(uchar1);
+		}
+	}
+	if(uchar0 != 3)
+		failures++;
+	if(uchar1 != 12)
+		failures++;
+
+}
+
+/* like for1 but different condition in inner loop */
+void for5(void)
+{
+	unsigned char i, j;
+
+	uchar0 = 0;
+	uchar1 = 0;
+	for(i = 0; i < 3; i++) {
+		uchar0++;
+		for(j = 10; j >= 5; j--) {
+			uchar1++;
+			dput(i);
+			dput(j);
+		}
+	}
+	if(uchar0 != 3)
+		failures++;
+	if(uchar1 != 18)
+		failures++;
+}
+
+void main(void)
+{
+  for1();
+  for2();
+  for3();
+  for4();
+  for5();
+
+  done();
+}