diff options
author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
---|---|---|
committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/update-unroll-1.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/update-unroll-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/update-unroll-1.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/update-unroll-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/update-unroll-1.c new file mode 100644 index 000000000..a93310249 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/update-unroll-1.c @@ -0,0 +1,21 @@ +/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ +/* { dg-options "-O1 -fprefetch-loop-arrays -march=athlon -fdump-tree-aprefetch-blocks" } */ + +int a[10000]; + +int foo(unsigned n) +{ + unsigned i, s = 0; + + for (i = 0; i < n; i++) + s += a[i]; + + return s; +} + +/* We used to make the probability that the body of the loop (unrolled + to enable prefetching) is entered 0, which is not correct. */ + +/* { dg-final { scan-tree-dump-not "Invalid sum" "aprefetch"} } */ +/* { dg-final { scan-tree-dump-not "SUCC: 7 .100.0%" "aprefetch"} } */ +/* { dg-final { cleanup-tree-dump "aprefetch" } } */ |