* gcc.dg/asmreg-1.c: New test.

From-SVN: r63271

gcc/testsuite/ChangeLog

+2003-02-22  Hans-Peter Nilsson  <hp@axis.com>
+
+	* gcc.dg/asmreg-1.c: New test.
+
 2003-02-21  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/9749

gcc/testsuite/gcc.dg/asmreg-1.c

+/* { dg-do compile { target cris-*-* } } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler "\\\.ifnc \\\$r9-\\\$r10-\\\$r11-\\\$r12" } } */
+
+/* Sanity check for asm register operands in syscall failed for
+   cris-axis-linux-gnu due to regmove bug.
+   Hans-Peter Nilsson <hp@axis.com>.  */
+
+extern void lseek64 (int, long long, int);
+extern int *__errno_location (void);
+struct dirent64
+{
+  long long d_off;
+  unsigned short int d_reclen;
+  char d_name[256];
+};
+struct kernel_dirent64
+{   
+  long long d_off;
+  unsigned short d_reclen;
+  char d_name[256];
+};
+
+static inline int __attribute__ ((__always_inline__))
+__syscall_getdents64 (int fd, unsigned char * dirp, unsigned count)
+{
+  register unsigned long __sys_res asm ("r10");
+  register unsigned long __r10 __asm__ ("r10") = (unsigned long) fd;
+  register unsigned long __r11 __asm__ ("r11") = (unsigned long) dirp;
+  register unsigned long __r12 __asm__ ("r12") = (unsigned long) count;
+  register unsigned long __callno asm ("r9") = (220);
+  asm volatile (".ifnc %1-%0-%3-%4,$r9-$r10-$r11-$r12\n\t"
+		".err\n\t"
+		".endif\n\t"
+		"break 13"
+		: "=r" (__sys_res)
+		: "r" (__callno), "0" (__r10), "r" (__r11), "r" (__r12)
+		: "memory");
+  if (__sys_res >= (unsigned long) -4096)
+    {
+      (*__errno_location ()) = - __sys_res;
+      __sys_res = -1;
+    }
+  return __sys_res;
+}
+
+int
+__getdents64 (int fd, char *buf, unsigned nbytes)
+{   
+  struct dirent64 *dp;
+  long long last_offset = -1;
+  int retval;
+  struct kernel_dirent64 *skdp, *kdp;
+  dp = (struct dirent64 *) buf;
+  skdp = kdp = __builtin_alloca (nbytes);
+  retval = __syscall_getdents64(fd, (char *)kdp, nbytes);
+  if (retval == -1)
+    return -1;
+  while ((char *) kdp < (char *) skdp + retval)
+    {
+      if ((char *) dp > buf + nbytes)
+	{
+	  lseek64(fd, last_offset, 0);
+	  break;
+	}
+      last_offset = kdp->d_off;
+      __builtin_memcpy (dp->d_name, kdp->d_name, kdp->d_reclen - 10);
+      dp = (struct dirent64 *) ((char *) dp + sizeof (*dp));
+      kdp = (struct kernel_dirent64 *) (((char *) kdp) + kdp->d_reclen);
+    }
+
+  return (char *) dp - buf;
+}