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diff gcc/testsuite/gcc.dg/tree-ssa/muldiv-1.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/muldiv-1.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-optimized-raw" } */
+
+// ldist produces (((q-p-4)/4)&...+1)*4
+// Make sure we remove at least the division
+// Eventually this should just be n*4
+
+void foo(int*p, __SIZE_TYPE__ n){
+  for(int*q=p+n;p!=q;++p)*p=0;
+}
+
+/* { dg-final { scan-tree-dump "builtin_memset" "optimized" } } */
+/* { dg-final { scan-tree-dump-not "div" "optimized" } } */