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llvm-svn: 35435
This commit is contained in:
Chris Lattner 2007-03-28 18:17:19 +00:00
parent bcd38852f2
commit 2ba38c8711
1 changed files with 8 additions and 0 deletions
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8
llvm/lib/Target/X86/README.txt
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@ -23,6 +23,14 @@ generic code.
//===---------------------------------------------------------------------===//
CodeGen/X86/lea-3.ll:test3 should be a single LEA, not a shift/move. The X86
backend knows how to three-addressify this shift, but it appears the register
allocator isn't even asking it to do so in this case. We should investigate
why this isn't happening, it could have significant impact on other important
cases for X86 as well.
//===---------------------------------------------------------------------===//
This should be one DIV/IDIV instruction, not a libcall:
unsigned test(unsigned long long X, unsigned Y) {