A slight reworking of the custom patterns for x86-64 tpoff codegen and

[oota-llvm.git] / lib / Target / X86 / X86Instr64bit.td

diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td
index 3b5b3539d30b0189ff08b9bf3910811319711abe..c86e869dc2d7456579352a0e912512da53e0ffe2 100644 (file)
--- a/lib/Target/X86/X86Instr64bit.td
+++ b/lib/Target/X86/X86Instr64bit.td
@@ -1890,8 +1890,6 @@ def : Pat<(i64 (X86Wrapper tjumptable  :$dst)),
           (MOV64ri tjumptable  :$dst)>, Requires<[FarData]>;
 def : Pat<(i64 (X86Wrapper tglobaladdr :$dst)),
           (MOV64ri tglobaladdr :$dst)>, Requires<[FarData]>;
-def : Pat<(i64 (X86Wrapper tglobaltlsaddr :$dst)),
-          (MOV64ri tglobaltlsaddr :$dst)>, Requires<[FarData]>;
 def : Pat<(i64 (X86Wrapper texternalsym:$dst)),
           (MOV64ri texternalsym:$dst)>, Requires<[FarData]>;
 def : Pat<(i64 (X86Wrapper tblockaddress:$dst)),
@@ -1906,8 +1904,6 @@ def : Pat<(i64 (X86Wrapper tjumptable  :$dst)),
           (MOV64ri64i32 tjumptable  :$dst)>, Requires<[SmallCode]>;
 def : Pat<(i64 (X86Wrapper tglobaladdr :$dst)),
           (MOV64ri64i32 tglobaladdr :$dst)>, Requires<[SmallCode]>;
-def : Pat<(i64 (X86Wrapper tglobaltlsaddr :$dst)),
-          (MOV64ri64i32 tglobaltlsaddr :$dst)>, Requires<[SmallCode]>;
 def : Pat<(i64 (X86Wrapper texternalsym:$dst)),
           (MOV64ri64i32 texternalsym:$dst)>, Requires<[SmallCode]>;
 def : Pat<(i64 (X86Wrapper tblockaddress:$dst)),
@@ -1922,8 +1918,6 @@ def : Pat<(i64 (X86Wrapper tjumptable  :$dst)),
           (MOV64ri32 tjumptable  :$dst)>, Requires<[KernelCode]>;
 def : Pat<(i64 (X86Wrapper tglobaladdr :$dst)),
           (MOV64ri32 tglobaladdr :$dst)>, Requires<[KernelCode]>;
-def : Pat<(i64 (X86Wrapper tglobaltlsaddr :$dst)),
-          (MOV64ri32 tglobaltlsaddr :$dst)>, Requires<[KernelCode]>;
 def : Pat<(i64 (X86Wrapper texternalsym:$dst)),
           (MOV64ri32 texternalsym:$dst)>, Requires<[KernelCode]>;
 def : Pat<(i64 (X86Wrapper tblockaddress:$dst)),
@@ -1941,9 +1935,6 @@ def : Pat<(store (i64 (X86Wrapper tjumptable:$src)), addr:$dst),
 def : Pat<(store (i64 (X86Wrapper tglobaladdr:$src)), addr:$dst),
           (MOV64mi32 addr:$dst, tglobaladdr:$src)>,
           Requires<[NearData, IsStatic]>;
-def : Pat<(store (i64 (X86Wrapper tglobaltlsaddr:$src)), addr:$dst),
-          (MOV64mi32 addr:$dst, tglobaltlsaddr:$src)>,
-          Requires<[NearData, IsStatic]>;
 def : Pat<(store (i64 (X86Wrapper texternalsym:$src)), addr:$dst),
           (MOV64mi32 addr:$dst, texternalsym:$src)>,
           Requires<[NearData, IsStatic]>;
@@ -1981,6 +1972,17 @@ def : Pat<(X86tcret (i64 texternalsym:$dst), imm:$off),
           (TCRETURNdi64 texternalsym:$dst, imm:$off)>,
          Requires<[In64BitMode]>;
 
+// tls has some funny stuff here...
+// This corresponds to movabs $foo@tpoff, %rax
+def : Pat<(i64 (X86Wrapper tglobaltlsaddr :$dst)),
+          (MOV64ri tglobaltlsaddr :$dst)>;
+// This corresponds to add $foo@tpoff, %rax
+def : Pat<(add GR64:$src1, (X86Wrapper tglobaltlsaddr :$dst)),
+          (ADD64ri32 GR64:$src1, tglobaltlsaddr :$dst)>;
+// This corresponds to mov foo@tpoff(%rbx), %eax
+def : Pat<(load (i64 (X86Wrapper tglobaltlsaddr :$dst))),
+          (MOV64rm tglobaltlsaddr :$dst)>;
+
 // Comparisons.
 
 // TEST R,R is smaller than CMP R,0