From: Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
Date: Thu, 14 Aug 2003 14:26:15 +0000 (+0000)
Subject: strcat.c: New.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d256ac69eee99d5cc5c657bad82f9b1b00431c07;p=gcc.git

strcat.c: New.

	* gcc.c-torture/execute/builtins/lib/strcat.c: New.
	* gcc.c-torture/execute/builtins/string-9-lib.c: New.
	* gcc.c-torture/execute/builtins/string-9.c: New, from
	string-opt-9.c.  Adjust for execute/builtins framework.
	* gcc.c-torture/execute/string-opt-9.c: Delete.

From-SVN: r70435
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 035358b69f1..e491ea1944e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2003-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* gcc.c-torture/execute/builtins/lib/strcat.c: New.
+	* gcc.c-torture/execute/builtins/string-9-lib.c: New.
+	* gcc.c-torture/execute/builtins/string-9.c: New, from
+	string-opt-9.c.  Adjust for execute/builtins framework.
+	* gcc.c-torture/execute/string-opt-9.c: Delete.
+
 2003-08-12  Mark Mitchell  <mark@codesourcery.com>
 
 	* g++.dg/init/new8.C: Use __SIZE_TYPE__ to get the type of size_t.
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strcat.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strcat.c
new file mode 100644
index 00000000000..2cced80f5d7
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/strcat.c
@@ -0,0 +1,19 @@
+extern int inside_main;
+extern void abort(void);
+
+char *
+strcat (char *dst, const char *src)
+{
+  char *p = dst;
+  
+#ifdef __OPTIMIZE__
+  if (inside_main)
+    abort ();
+#endif
+
+  while (*p)
+    p++;
+  while ((*p++ = *src++))
+    ;
+  return dst;
+}
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/string-9-lib.c b/gcc/testsuite/gcc.c-torture/execute/builtins/string-9-lib.c
new file mode 100644
index 00000000000..0a0bbb8865a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/string-9-lib.c
@@ -0,0 +1 @@
+#include "lib/strcat.c"
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/string-9.c b/gcc/testsuite/gcc.c-torture/execute/builtins/string-9.c
new file mode 100644
index 00000000000..ba70c397724
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/string-9.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 2000, 2003  Free Software Foundation.
+
+   Ensure all expected transformations of builtin strcat occur and
+   perform correctly.
+
+   Written by Kaveh R. Ghazi, 11/27/2000.  */
+
+extern int inside_main;
+extern void abort (void);
+typedef __SIZE_TYPE__ size_t;
+extern char *strcat (char *, const char *);
+extern char *strcpy (char *, const char *);
+extern int strcmp (const char *, const char *);
+extern void *memset (void *, int, size_t);
+extern int memcmp (const void *, const void *, size_t);
+#define RESET_DST_WITH(FILLER) \
+  do { memset (dst, 'X', sizeof (dst)); strcpy (dst, (FILLER)); } while (0)
+
+void main_test (void)
+{
+  const char *const s1 = "hello world";
+  const char *const s2 = "";
+  char dst[64], *d2;
+  
+  RESET_DST_WITH (s1);
+  if (strcat (dst, "") != dst || strcmp (dst, s1))
+    abort();
+  RESET_DST_WITH (s1);
+  if (strcat (dst, s2) != dst || strcmp (dst, s1))
+    abort();
+  RESET_DST_WITH (s1); d2 = dst;
+  if (strcat (++d2, s2) != dst+1 || d2 != dst+1 || strcmp (dst, s1))
+    abort();
+  RESET_DST_WITH (s1); d2 = dst;
+  if (strcat (++d2+5, s2) != dst+6 || d2 != dst+1 || strcmp (dst, s1))
+    abort();
+  RESET_DST_WITH (s1); d2 = dst;
+  if (strcat (++d2+5, s1+11) != dst+6 || d2 != dst+1 || strcmp (dst, s1))
+    abort();
+
+#ifndef __OPTIMIZE_SIZE__
+# if !defined __i386__ && !defined __x86_64__
+  /* The functions below might not be optimized into direct stores on all
+     arches.  It depends on how many instructions would be generated and
+     what limits the architecture chooses in STORE_BY_PIECES_P.  */
+  inside_main = 0;
+# endif
+
+  RESET_DST_WITH (s1);
+  if (strcat (dst, " 1111") != dst
+      || memcmp (dst, "hello world 1111\0XXX", 20))
+    abort();
+  
+  RESET_DST_WITH (s1);
+  if (strcat (dst+5, " 2222") != dst+5
+      || memcmp (dst, "hello world 2222\0XXX", 20))
+    abort();
+  
+  RESET_DST_WITH (s1); d2 = dst;
+  if (strcat (++d2+5, " 3333") != dst+6 || d2 != dst+1
+      || memcmp (dst, "hello world 3333\0XXX", 20))
+    abort();
+  
+  RESET_DST_WITH (s1);
+  strcat (strcat (strcat (strcat (strcat (strcat (dst, ": this "), ""),
+				  "is "), "a "), "test"), ".");
+  if (memcmp (dst, "hello world: this is a test.\0X", 30))
+    abort();
+
+  /* Set inside_main again.  */
+  inside_main = 1;
+#endif
+
+  /* Test at least one instance of the __builtin_ style.  We do this
+     to ensure that it works and that the prototype is correct.  */
+  RESET_DST_WITH (s1);
+  if (__builtin_strcat (dst, "") != dst || strcmp (dst, s1))
+    abort();
+}
diff --git a/gcc/testsuite/gcc.c-torture/execute/string-opt-9.c b/gcc/testsuite/gcc.c-torture/execute/string-opt-9.c
deleted file mode 100644
index 0c21957f286..00000000000
--- a/gcc/testsuite/gcc.c-torture/execute/string-opt-9.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* Copyright (C) 2000, 2003  Free Software Foundation.
-
-   Ensure all expected transformations of builtin strcat occur and
-   perform correctly.
-
-   Written by Kaveh R. Ghazi, 11/27/2000.  */
-
-extern void abort (void);
-typedef __SIZE_TYPE__ size_t;
-extern char *strcat (char *, const char *);
-extern char *strcpy (char *, const char *);
-extern int strcmp (const char *, const char *);
-extern void *memset (void *, int, size_t);
-extern int memcmp (const void *, const void *, size_t);
-#define RESET_DST_WITH(FILLER) \
-  do { memset (dst, 'X', sizeof (dst)); strcpy (dst, (FILLER)); } while (0)
-
-int main ()
-{
-  const char *const s1 = "hello world";
-  const char *const s2 = "";
-  char dst[64], *d2;
-  
-  RESET_DST_WITH (s1);
-  if (strcat (dst, "") != dst || strcmp (dst, s1))
-    abort();
-  RESET_DST_WITH (s1);
-  if (strcat (dst, s2) != dst || strcmp (dst, s1))
-    abort();
-  RESET_DST_WITH (s1); d2 = dst;
-  if (strcat (++d2, s2) != dst+1 || d2 != dst+1 || strcmp (dst, s1))
-    abort();
-  RESET_DST_WITH (s1); d2 = dst;
-  if (strcat (++d2+5, s2) != dst+6 || d2 != dst+1 || strcmp (dst, s1))
-    abort();
-  RESET_DST_WITH (s1); d2 = dst;
-  if (strcat (++d2+5, s1+11) != dst+6 || d2 != dst+1 || strcmp (dst, s1))
-    abort();
-
-#ifndef __OPTIMIZE_SIZE__
-  RESET_DST_WITH (s1);
-  if (strcat (dst, " 1111") != dst
-      || memcmp (dst, "hello world 1111\0XXX", 20))
-    abort();
-  
-  RESET_DST_WITH (s1);
-  if (strcat (dst+5, " 2222") != dst+5
-      || memcmp (dst, "hello world 2222\0XXX", 20))
-    abort();
-  
-  RESET_DST_WITH (s1); d2 = dst;
-  if (strcat (++d2+5, " 3333") != dst+6 || d2 != dst+1
-      || memcmp (dst, "hello world 3333\0XXX", 20))
-    abort();
-  
-  RESET_DST_WITH (s1);
-  strcat (strcat (strcat (strcat (strcat (strcat (dst, ": this "), ""),
-				  "is "), "a "), "test"), ".");
-  if (memcmp (dst, "hello world: this is a test.\0X", 30))
-    abort();
-#endif
-
-  /* Test at least one instance of the __builtin_ style.  We do this
-     to ensure that it works and that the prototype is correct.  */
-  RESET_DST_WITH (s1);
-  if (__builtin_strcat (dst, "") != dst || strcmp (dst, s1))
-    abort();
-
-  return 0;
-}
-
-#ifdef __OPTIMIZE__
-/* When optimizing, all the above cases should be transformed into
-   something else.  So any remaining calls to the original function
-   should abort.  */
-__attribute__ ((noinline))
-static char *
-strcat (char *s1, const char *s2)
-{
-  abort();
-}
-#endif