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add 8 and 16 bit TLS moves.

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add a fixme note on how to remove code duplication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66932 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2009-03-13 19:39:55 +00:00
parent d1c135c6e6
commit 520ebe6c2f
1 changed files with 20 additions and 0 deletions
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20
lib/Target/X86/X86InstrInfo.td
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@ -2920,6 +2920,10 @@ def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src),
// Thread Local Storage Instructions
//
// FIXME: there is duplication with the non-TLS case.
// There is a suggestion on how to fix this at
// http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090309/075212.html
let Uses = [EBX] in
def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym),
"leal\t${sym:mem}(,%ebx,1), $dst",
@ -2937,6 +2941,22 @@ def TLS_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
(load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>,
SegGS;
let AddedComplexity = 15 in
def TLS16_gs_ri : I<0x8B, Pseudo, (outs GR16:$dst), (ins i32imm:$src),
"movw\t%gs:${src:mem}, $dst",
[(set GR16:$dst,
(load (add X86TLStp,
(X86Wrapper tglobaltlsaddr:$src))))]>,
SegGS;
let AddedComplexity = 15 in
def TLS8_gs_ri : I<0x8B, Pseudo, (outs GR8:$dst), (ins i32imm:$src),
"movb\t%gs:${src:mem}, $dst",
[(set GR8:$dst,
(load (add X86TLStp,
(X86Wrapper tglobaltlsaddr:$src))))]>,
SegGS;
let AddedComplexity = 15 in
def TLS_ext16_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src),
"movzwl\t%gs:${src:mem}, $dst",