From 29098ff058814235fb39d00b7496b7f8345ed3eb Mon Sep 17 00:00:00 2001 From: Rong Xu Date: Fri, 31 Oct 2014 12:00:28 -0700 Subject: [4.9] Backport patches fixed vectorization issues. Backport 3 patches from upstream gcc that fixed some vectorization issues: r215585 fixed PR63341 r216508 fixed PR63563 r216770 fixed PR63530 Change-Id: I650bf25ef0843b1ff01911b567fb26e069fd4550 --- gcc-4.9/gcc/testsuite/gcc.target/i386/pr63563.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.target/i386/pr63563.c (limited to 'gcc-4.9/gcc/testsuite/gcc.target') diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr63563.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr63563.c new file mode 100644 index 000000000..ce3e4658e --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr63563.c @@ -0,0 +1,17 @@ +/* PR tree-optimization/63563 */ +/* { dg-do compile } */ +/* { dg-options "-O3 -mavx2" } */ + +struct A { unsigned long a, b, c, d; } a[1024] = { { 0, 1, 2, 3 } }, b; + +void +foo (void) +{ + int i; + for (i = 0; i < 1024; i++) + { + a[i].a = a[i].b = a[i].c = b.c; + if (a[i].d) + a[i].d = b.d; + } +} -- cgit v1.2.3