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| 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/tm/memopt-4.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/tm/memopt-4.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tm/memopt-4.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tm/memopt-4.c b/gcc-4.9/gcc/testsuite/gcc.dg/tm/memopt-4.c new file mode 100644 index 000000000..58f8fd042 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tm/memopt-4.c @@ -0,0 +1,24 @@ +/* { dg-do compile } */ +/* { dg-options "-fgnu-tm -O -fdump-tree-tmedge" } */ + +/* Test thread-local memory optimizations: save/restore pairs. */ + +struct large { int x[100]; }; +struct large bark(); +extern int test (void) __attribute__((transaction_safe)); + +int f() +{ + int i = readint(); + struct large lala = bark(); + __transaction_atomic { + lala.x[55] = 666; + if (test()) + __transaction_cancel; + } + return lala.x[i]; +} + +/* { dg-final { scan-tree-dump-times "tm_save.\[0-9_\]+ = lala.x\\\[55\\\]" 1 "tmedge" } } */ +/* { dg-final { scan-tree-dump-times "lala.x\\\[55\\\] = tm_save" 1 "tmedge" } } */ +/* { dg-final { cleanup-tree-dump "tmedge" } } */ |