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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27227 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-03-28 18:56:23 +00:00
parent b3e7be25be
commit d732a2915b
1 changed files with 10 additions and 0 deletions
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10
lib/Target/PowerPC/README_ALTIVEC.txt
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@ -134,4 +134,14 @@ This would fix two problems:
2. Identical operations in different types are not getting CSE'd (e.g.
{ 0U, 0U, 0U, 0U } and {0.0, 0.0, 0.0, 0.0}.
//===----------------------------------------------------------------------===//
Two identical comparisons in predicate and nonpredicate form like this:
a = vec_cmpb(x, y);
b = vec_any_out(x, y);
Should turn into one "." compare instruction, not a dot and "nondot" form.
//===----------------------------------------------------------------------===//