From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../testsuite/go.test/test/fixedbugs/bug440_64.go | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug440_64.go (limited to 'gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug440_64.go') 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 +} -- cgit v1.2.3