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| author | Eric Christopher <echristo@apple.com> | 2010-07-22 02:48:34 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-07-22 02:48:34 +0000 |
| commit | 9a9d275dc7897dfba7f41ce1b3770ca27ac149e8 (patch) | |
| tree | d3475c9fc9cbc431bb8ab9e0cb43f8ef07049254 /lib/Target/X86/README.txt | |
| parent | b1c857bb7b3d7bc187de4e97439eb212a8604bf0 (diff) | |
| download | external_llvm-9a9d275dc7897dfba7f41ce1b3770ca27ac149e8.zip external_llvm-9a9d275dc7897dfba7f41ce1b3770ca27ac149e8.tar.gz external_llvm-9a9d275dc7897dfba7f41ce1b3770ca27ac149e8.tar.bz2 | |
Custom lower the memory barrier instructions and add support
for lowering without sse2. Add a couple of new testcases.
Fixes a few libgomp tests and latent bugs. Remove a few todos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109078 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/README.txt')
| -rw-r--r-- | lib/Target/X86/README.txt | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index efc0cd8..6034a09 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1135,13 +1135,6 @@ void test(double *P) { //===---------------------------------------------------------------------===// -handling llvm.memory.barrier on pre SSE2 cpus - -should generate: -lock ; mov %esp, %esp - -//===---------------------------------------------------------------------===// - The generated code on x86 for checking for signed overflow on a multiply the obvious way is much longer than it needs to be. |