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| author | Evan Cheng <evan.cheng@apple.com> | 2006-02-02 02:40:17 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-02-02 02:40:17 +0000 |
| commit | d3908f79cb55c06777b7d8e5dc798bdaa31d81a5 (patch) | |
| tree | 3a165fc3e55cd3574f63336c4485812cb2901d00 /llvm/lib/Target | |
| parent | 0bd74558ae783ce6f6177943b8d3a620d5f0714e (diff) | |
| download | bcm5719-llvm-d3908f79cb55c06777b7d8e5dc798bdaa31d81a5.tar.gz bcm5719-llvm-d3908f79cb55c06777b7d8e5dc798bdaa31d81a5.zip | |
Update.
llvm-svn: 25896
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/README.txt | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/llvm/lib/Target/X86/README.txt b/llvm/lib/Target/X86/README.txt index e84142851a0..57aaab05773 100644 --- a/llvm/lib/Target/X86/README.txt +++ b/llvm/lib/Target/X86/README.txt @@ -215,18 +215,6 @@ when it can invert the result of the compare for free. //===---------------------------------------------------------------------===// -None of the SSE instructions are handled in X86RegisterInfo::foldMemoryOperand, -which prevents the spiller from folding spill code into the instructions. - -This leads to code like this: - -mov %eax, 8(%esp) -cvtsi2sd %eax, %xmm0 -instead of: -cvtsi2sd 8(%esp), %xmm0 - -//===---------------------------------------------------------------------===// - LSR should be turned on for the X86 backend and tuned to take advantage of its addressing modes. @@ -367,3 +355,8 @@ We currently emit: This is a bugpoint reduced testcase, which is why the testcase doesn't make much sense (e.g. its an infinite loop). :) +//===---------------------------------------------------------------------===// + +None of the FPStack instructions are handled in +X86RegisterInfo::foldMemoryOperand, which prevents the spiller from +folding spill code into the instructions. |

