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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/combine-mul.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/combine-mul.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/combine-mul.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/combine-mul.c
new file mode 100644
index 000000000..8a2e86284
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/combine-mul.c
@@ -0,0 +1,24 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-require-effective-target nonpic } */
+/* { dg-final { scan-assembler-not "12345" } } */
+
+static inline unsigned int myrnd (void)
+{
+ static unsigned int s = 1388815473;
+ s *= 1103515245;
+ s += 12345;
+}
+
+struct __attribute__ ((packed)) A {
+ unsigned short i:1, l:1, j:3, k:11;
+};
+
+struct A sA;
+void testA (void)
+{
+ char *p = (char *) &sA;
+ *p++ = myrnd ();
+ *p++ = myrnd ();
+ sA.k = -1;
+}