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Diffstat (limited to 'gcc/testsuite/gcc.target/cris/asmreg-1.c')
-rw-r--r--gcc/testsuite/gcc.target/cris/asmreg-1.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/cris/asmreg-1.c b/gcc/testsuite/gcc.target/cris/asmreg-1.c
new file mode 100644
index 00000000000..85827e9a9a3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/cris/asmreg-1.c
@@ -0,0 +1,73 @@
+/* { 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, 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;
+}