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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/20070112-1.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/20070112-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/20070112-1.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20070112-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/20070112-1.c new file mode 100644 index 000000000..bd7833567 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/20070112-1.c @@ -0,0 +1,24 @@ +/* We used to ICE on this testcase: the address of bad_spill_regs is + only taken in a phi node, which we missed and cleared its TREE_ADDRESSABLE + flag. This gets revealed when the loop is completely unrolled, thus + exposing the addresses as ordinary statements. */ + +/* { dg-do compile } */ +/* { dg-options "-O1" } */ + + +typedef unsigned HARD_REG_SET[2]; +static HARD_REG_SET bad_spill_regs; + +void +order_regs_for_reload () +{ + register int i; + + register unsigned *scan_tp_ = bad_spill_regs; + + for (i = 0; i < 2; i++) + *scan_tp_++ = 0; + + bad_spill_regs[0] |= 1; +} |