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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/go.test/test/fixedbugs/bug440_64.go | |
| 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/go.test/test/fixedbugs/bug440_64.go')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug440_64.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug440_64.go b/gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug440_64.go new file mode 100644 index 000000000..3ab3e565d --- /dev/null +++ b/gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug440_64.go @@ -0,0 +1,21 @@ +// run + +// Test for 6g register move bug. The optimizer gets confused +// about 32- vs 64-bit moves during splitContractIndex. + +// Issue 3918. + +package main + +func main() { + const c = 0x123400005678 + index, offset := splitContractIndex(c) + if index != (c&0xffffffff)>>5 || offset != c+1 { + println("BUG", index, offset) + } +} + +func splitContractIndex(ce uint64) (index uint32, offset uint64) { + h := uint32(ce) + return h >> 5, ce + 1 +} |