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X86 TLS: optimize the implementation of "local exec" model.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lauro Ramos Venancio 2007-04-23 01:28:10 +00:00
parent 47f96bf246
commit ede1d78969
1 changed files with 10 additions and 3 deletions
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13
lib/Target/X86/X86InstrInfo.td
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@ -2467,9 +2467,15 @@ def TLS_addr : I<0, Pseudo, (ops GR32:$dst, i32imm:$sym),
Imp<[EBX],[]>;
let AddedComplexity = 10 in
def TLS_gs : I<0, Pseudo, (ops GR32:$dst, GR32:$src),
"movl %gs:($src), $dst",
[(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
def TLS_gs_rr : I<0, Pseudo, (ops GR32:$dst, GR32:$src),
"movl %gs:($src), $dst",
[(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>;
let AddedComplexity = 15 in
def TLS_gs_ri : I<0, Pseudo, (ops GR32:$dst, i32imm:$src),
"movl %gs:${src:mem}, $dst",
[(set GR32:$dst,
(load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>;
def TLS_tp : I<0, Pseudo, (ops GR32:$dst),
"movl %gs:0, $dst",
@ -2491,6 +2497,7 @@ def DWARF_LOC : I<0, Pseudo, (ops i32imm:$line, i32imm:$col, i32imm:$file),
// ConstantPool GlobalAddress, ExternalSymbol, and JumpTable
def : Pat<(i32 (X86Wrapper tconstpool :$dst)), (MOV32ri tconstpool :$dst)>;
def : Pat<(i32 (X86Wrapper tjumptable :$dst)), (MOV32ri tjumptable :$dst)>;
def : Pat<(i32 (X86Wrapper tglobaltlsaddr:$dst)), (MOV32ri tglobaltlsaddr:$dst)>;
def : Pat<(i32 (X86Wrapper tglobaladdr :$dst)), (MOV32ri tglobaladdr :$dst)>;
def : Pat<(i32 (X86Wrapper texternalsym:$dst)), (MOV32ri texternalsym:$dst)>;