sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 298 insertions, 0 deletions

diff --git a/support/regression/tests/bug-2756.c b/support/regression/tests/bug-2756.c
new file mode 100644
index 0000000..5426385
--- /dev/null
+++ b/support/regression/tests/bug-2756.c
@@ -0,0 +1,298 @@
+/*
+    bug 2756
+    A non-connected live-range not caught by the live-range splitter resulted
+    in an invalid register allocation and an assertion failure in code generation.
+*/
+
+#include <testfwk.h>
+
+#pragma disable_warning 84
+#pragma disable_warning 85
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __SDCC
+
+struct _bstdio_file {int i;};
+typedef struct _bstdio_file FILE;
+
+int bfprintf(FILE *_bstream, const char *__fmt, ...)
+{
+	return 0;
+}
+
+int bprintf(const char *_bfmt, ...)
+{
+	return 0;
+}
+
+FILE *__fopen(const char *_bpath, int _bfd, FILE * _bstream, const char *_bmode)
+{
+	return 0;
+}
+
+#define fopen(__file, __mode)	      __fopen((__file), -1, (FILE*)0, (__mode))
+
+char *bgetenv(char *__name)
+{
+	return "env";
+}
+
+char *bfgets(char *_bs, size_t _bsize, FILE *_bstream)
+{
+	return 0;
+}
+
+FILE bstderr[1];
+
+void err(int _beval, const char *_bfmt, ...)
+{
+}
+
+void errx(int _beval, const char *_bfmt, ...)
+{
+}
+
+#if !defined( __SDCC_pdk14) && !defined( __SDCC_pdk15) // Lack of memory
+char *argv0;
+int all = 0;
+int wday;
+int advance;
+char CurLine[64];
+char *CurLinep;
+#endif
+
+enum {NONE, DAY, WEEK, MONTH} mflag;
+
+#define	CALFILE	"/.calendar"
+
+int pnmatch(const char *s, const char *p, int unanch)
+{
+	return 0;
+}
+
+void usage(void)
+{
+}
+
+int findmon1(void)
+{
+	return 0;
+}
+
+int findmon2(void)
+{
+	return 0;
+}
+
+int findmon3(void)
+{
+	return 0;
+}
+
+int findday(void)
+{
+	return 0;
+}
+
+int findyear(void)
+{
+	return 0;
+}
+
+int current(int opt)
+{
+	return 0;
+}
+
+int date(int day, int month, int year)
+{
+	return 0;
+}
+
+void doall(void)
+{
+}
+
+int m(int argc, char *argv[])
+{
+#if !(defined (__SDCC_mcs51) && defined (__SDCC_MODEL_SMALL)) && !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) // Not enough memory
+#if !(defined (__SDCC_mcs51) && (defined (__SDCC_MODEL_LARGE) || defined (__SDCC_MODEL_HUGE))) // build failure
+	int arg = 1;
+	char *cp;
+	char *thisline;
+	char *matchstr;
+	char *filename[10];
+	FILE *fp[10];
+	int matchdate;
+	int foundfiles;
+	int nfiles;
+	int thismonth, thisday, thisyear;
+	int thisdate;
+	char *atsign;
+
+	argv0 = argv[0];
+	mflag = NONE; 				/* Default to no match */
+
+	for (arg = 1; arg < argc; arg++)  { 	/* Read option string */
+		cp = argv[arg];
+	sw:	switch (*cp) {
+			case '-':
+				cp++;
+				goto sw;
+			case 'a':
+				all = 1;
+				break;
+			case 'f':
+				filename[arg-1] = ++cp;
+				nfiles++;
+				continue;
+			case 'd':
+				matchstr = ++cp;
+				mflag = DAY;
+				continue;
+			case 'w':
+				matchstr = ++cp;
+				mflag = WEEK;
+				continue;
+			case 'm':
+				matchstr = ++cp;
+				mflag = MONTH;
+				continue;
+			default:
+				bfprintf(bstderr, "%s: unrecognized option '%c'\n", argv0, *cp);
+				usage();
+		}
+	}
+	if (all)
+		doall();
+
+	/*
+	 * Open files.
+	 */
+	if (nfiles)  {
+		for (arg = 0; arg < nfiles; arg++ )  {
+			if ((fp[arg] = fopen(filename[arg], "r")) == NULL)
+				bfprintf(bstderr, "cannot open file %s\n", filename[arg]);
+			else
+				foundfiles++;
+		}
+		if (!foundfiles)
+			err(1, "cannot open any files specified");
+	} else {
+		char *hp;
+
+		nfiles = 1;
+		if ((hp = bgetenv("HOME")) == NULL)
+			errx(1, "can't find my way back HOME");
+		filename[0] = malloc(strlen(hp) + strlen(CALFILE) + 1);
+		if (filename[0] == NULL)
+			errx(1, "out of memory");
+		strcpy(filename[0], hp);
+		strcat(filename[0], CALFILE);
+		if ((fp[0] = fopen(filename[0], "r")) == NULL)
+			err(1, "cannot open file $HOME/.calendar");
+	}
+	/*
+	 * Find match condition from options or current date
+	 */
+	switch (mflag)  {
+		case NONE:
+			matchdate = current(0);
+			break;
+		case DAY:
+		case WEEK:
+			if (*matchstr == '\0') 
+				matchdate = current(0);
+			else {
+				strncpy(CurLine, matchstr, sizeof(CurLine));
+				CurLinep = &CurLine[0];
+				if ((thismonth = findmon1()) == -1) 
+					errx(1, "invalid month in match date");
+				if ((thisday = findday()) == -1)  
+					errx(1, "invalid day in match date");
+				if ((thisyear = findyear()) == -1)  
+					thisyear = current(1);
+				matchdate = date(thisday, thismonth, thisyear);
+			}
+			break;
+		case MONTH:
+			if (*matchstr == '\0')
+				matchdate = current(2);
+			else  {
+				strncpy(CurLine, matchstr, sizeof(CurLine));
+				CurLinep = &CurLine[0];
+				if ((matchdate = findmon2()) == -1)
+					errx(1, "invalid month in match date");
+			}
+			break;
+	}
+	/*
+	 * Read the calendar files, print matched lines.
+	 */
+	for (arg = 0; arg < nfiles; arg++) {
+		if (fp[arg] == NULL)
+			continue;
+		while ((thisline = bfgets(CurLine,sizeof(CurLine),fp[arg]))!=NULL) {
+			CurLinep = &CurLine[0];
+			advance = 0;
+			if ((atsign = strchr(CurLinep, '@')) != NULL)
+				advance = atoi(atsign + 1);
+			if ((thismonth = findmon3()) == -1)
+				thismonth = 0;
+			if ((thisday = findday()) == -1)
+				thisday = 0;
+			if ((thisyear = findyear()) == -1)
+				thisyear = current(1);
+			thisdate = date(thisday, thismonth, thisyear);
+			if (thisdate >= matchdate &&
+			    thisdate <= matchdate + advance)
+				bprintf("%s", thisline);
+			else switch (mflag)  {
+				case NONE:
+					if (wday == 6)
+						if (thisdate == matchdate ||
+						  thisdate == matchdate + 1 ||
+						  thisdate == matchdate + 2 ||
+						  thisdate == matchdate + 3)
+							bprintf("%s", thisline);
+					if (wday == 7)
+						if (thisdate == matchdate ||
+						  thisdate == matchdate + 1 ||
+						  thisdate == matchdate + 2)
+							bprintf("%s", thisline);
+					if (0 <= wday && wday < 6)
+						if (thisdate == matchdate ||
+						   thisdate == matchdate + 1)
+							bprintf("%s", thisline);
+					break;
+				case DAY:
+					if (thisdate == matchdate)
+						bprintf("%s", thisline);
+					break;
+				case WEEK:
+					if (matchdate <= thisdate &&
+						    thisdate <= matchdate+7)
+						bprintf("%s", thisline);
+					break;
+				case MONTH:
+					if (thismonth == matchdate)
+						bprintf("%s", thisline);
+					break;
+			}
+			thisline = NULL;
+		}
+	}
+#endif
+#endif
+	return 0;
+}
+
+#endif // __SDCC
+
+void testBug(void)
+{
+}
+