diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-10-16 06:46:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-10-16 06:46:12 +0000 |
| commit | c74092ba8f48de1360978dce3bc963edfb928fb1 (patch) | |
| tree | d021a6eebe9a3252fb4dd45b766e88fab36df2e4 | |
| parent | 0d5d05b55349466246575950674ce9d10f8652ac (diff) | |
add some notes and a file to collect unimplemented features in the
x86 backend. These will all be answered with "patches welcome", so
a PR doesn't help drive them along.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57630 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/README-UNIMPLEMENTED.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/X86/README-UNIMPLEMENTED.txt b/lib/Target/X86/README-UNIMPLEMENTED.txt new file mode 100644 index 0000000000..b9ba493779 --- /dev/null +++ b/lib/Target/X86/README-UNIMPLEMENTED.txt @@ -0,0 +1,14 @@ +//===---------------------------------------------------------------------===// +// Testcases that crash the X86 backend because they aren't implemented +//===---------------------------------------------------------------------===// + +These are cases we know the X86 backend doesn't handle. Patches are welcome +and appreciated, because no one has signed up to implemented these yet. +Implementing these would allow elimination of the corresponding intrinsics, +which would be great. + +1) vector shifts +2) vector comparisons +3) vector fp<->int comparisons: PR2683, PR2684, PR2685, PR2686, PR2688 + + |