diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/tests/tcg/cris/check_gcctorture_pr28634.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/tests/tcg/cris/check_gcctorture_pr28634.c')
-rw-r--r-- | qemu/tests/tcg/cris/check_gcctorture_pr28634.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/qemu/tests/tcg/cris/check_gcctorture_pr28634.c b/qemu/tests/tcg/cris/check_gcctorture_pr28634.c new file mode 100644 index 000000000..a0c525497 --- /dev/null +++ b/qemu/tests/tcg/cris/check_gcctorture_pr28634.c @@ -0,0 +1,15 @@ +/* PR rtl-optimization/28634. On targets with delayed branches, + dbr_schedule could do the next iteration's addition in the + branch delay slot, then subtract the value again if the branch + wasn't taken. This can lead to rounding errors. */ +double x = -0x1.0p53; +double y = 1; +int +main (void) +{ + while (y > 0) + y += x; + if (y != x + 1) + abort (); + exit (0); +} |