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-rw-r--r--gcc-4.8/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c
new file mode 100644
index 000000000..c7a379ae0
--- /dev/null
+++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/pr11001-strlen-3.c
@@ -0,0 +1,16 @@
+/* Ensure that we don't use 'repnz scasb' in the presence of register globals. */
+/* { dg-do compile } */
+/* { dg-options "-O1 -w" } */
+
+extern __SIZE_TYPE__ strlen (const char *);
+extern void *malloc (__SIZE_TYPE__);
+
+register int regvar asm("%ecx");
+
+char *
+do_copy (char *str)
+{
+ return malloc (strlen (str) + 1);
+}
+
+/* { dg-final { scan-assembler-not "repnz scasb" } } */