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Diffstat (limited to 'SingleSource/Regression/C/gcc-c-torture/execute/pr84169.c')
-rw-r--r--SingleSource/Regression/C/gcc-c-torture/execute/pr84169.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/SingleSource/Regression/C/gcc-c-torture/execute/pr84169.c b/SingleSource/Regression/C/gcc-c-torture/execute/pr84169.c
new file mode 100644
index 00000000..ba8f8fc4
--- /dev/null
+++ b/SingleSource/Regression/C/gcc-c-torture/execute/pr84169.c
@@ -0,0 +1,25 @@
+/* PR rtl-optimization/84169 */
+
+#ifdef __SIZEOF_INT128__
+typedef unsigned __int128 T;
+#else
+typedef unsigned long long T;
+#endif
+
+T b;
+
+static __attribute__ ((noipa)) T
+foo (T c, T d, T e, T f, T g, T h)
+{
+ __builtin_mul_overflow ((unsigned char) h, -16, &h);
+ return b + h;
+}
+
+int
+main ()
+{
+ T x = foo (0, 0, 0, 0, 0, 4);
+ if (x != -64)
+ __builtin_abort ();
+ return 0;
+}