sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 148 insertions, 0 deletions

diff --git a/support/regression/tests/bug1505956.c b/support/regression/tests/bug1505956.c
new file mode 100644
index 0000000..7b9d253
--- /dev/null
+++ b/support/regression/tests/bug1505956.c
@@ -0,0 +1,148 @@
+/*
+   bug3037889.c
+   All mnemonics need to be on separate lines now. So this is no longer allowed
+   #define NOP2 __asm nop nop __endasm;
+ */
+
+#include <testfwk.h>
+
+#if defined __SDCC_mcs51 || defined __SDCC_ds390
+
+#define TEST_MACRO_20() { \
+	/*this macro has 20 instructions in it*/ \
+	__asm \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+		nop \
+	__endasm; \
+}
+
+volatile unsigned char testvar = 0;
+
+void bug1406219 (void)
+{
+	if ( testvar > 0 )
+	{
+		/* this code generates an error :
+?ASxxxx-Error-<a> in line 493 of err.asm
+              <a> machine specific addressing or addressing mode error
+removing err.rel
+
+	(the generated jnc cannot branch the entire distance of the if statement.)
+*/
+
+		TEST_MACRO_20();
+		TEST_MACRO_20();
+
+		TEST_MACRO_20();
+		TEST_MACRO_20();
+
+		TEST_MACRO_20();
+		TEST_MACRO_20();
+
+		TEST_MACRO_20();
+	}
+	testvar = 0;
+}
+
+// macro with __asm/__endasm pair
+#define NOP1 do { __asm nop __endasm; } while (0)
+
+// multi-line macro with __asm/__endasm pair and operands
+#define NOP2 do { __asm	cpl a \
+						cpl a \
+				__endasm; } while (0)
+
+#define NOP4 do { __asm	inc a \
+						inc a \
+						dec a \
+						dec a \
+				__endasm; } while (0)
+#define NOP8 do { NOP4; NOP4; } while (0)
+#define NOP16 do { NOP8; NOP8; } while (0)
+#define NOP32 do { NOP16; NOP16; } while (0)
+#define NOP64 do { NOP32; NOP32; } while (0)
+
+
+volatile char t;
+
+void bug1505956 (void)
+{
+	volatile unsigned char i;
+
+	for( i=0; i<100; i++ )
+	{
+		t++;
+		NOP64;
+		NOP32;
+		NOP16;
+		NOP8;
+//		NOP4;
+		NOP2;
+//		NOP1;
+	}
+
+	t++;
+}
+
+// macro without __asm/__endasm pair
+#define GETC        \
+    clr a           \
+    movc a,@a+dptr
+
+void bug_DS400_ROM (void)
+{
+    __asm
+        GETC    ;comment
+    __endasm;
+}
+
+// macro with other macro
+#define ADDRESS _count
+#define RECURSIVE __asm inc ADDRESS \
+                        inc ADDRESS \
+                  __endasm
+
+void bug3407198 (void)
+{
+	RECURSIVE;
+}
+
+#else
+
+#define RECURSIVE
+
+#endif
+
+__data char count = 0;
+
+// __asm ... __endasm must stay one C statement
+char bug3407279 (char x)
+{
+	if (x)
+		RECURSIVE;
+	return count;
+}
+
+void testBug(void)
+{
+	ASSERT(bug3407279(0) == 0);
+}
+