diff options
| author | Hans Wennborg <hans@hanshq.net> | 2012-06-01 16:27:21 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2012-06-01 16:27:21 +0000 |
| commit | f0234fcbc9be9798c10dedc3e3c134b7afbc6511 (patch) | |
| tree | 58aa8ee7a2be4159fbbbfe5085f56ea7eee31b1e /lib/Target/X86/X86InstrCompiler.td | |
| parent | 6bb5c0074dc4cede2ad8efd420ec91288f91b012 (diff) | |
Implement the local-dynamic TLS model for x86 (PR3985)
This implements codegen support for accesses to thread-local variables
using the local-dynamic model, and adds a clean-up pass so that the base
address for the TLS block can be re-used between local-dynamic access on
an execution path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157818 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrCompiler.td')
| -rw-r--r-- | lib/Target/X86/X86InstrCompiler.td | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td index 810e820f10..99c2b8f955 100644 --- a/lib/Target/X86/X86InstrCompiler.td +++ b/lib/Target/X86/X86InstrCompiler.td @@ -375,11 +375,16 @@ let Defs = [EAX, ECX, EDX, FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0, MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7, XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS], - Uses = [ESP] in + Uses = [ESP] in { def TLS_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym), "# TLS_addr32", [(X86tlsaddr tls32addr:$sym)]>, Requires<[In32BitMode]>; +def TLS_base_addr32 : I<0, Pseudo, (outs), (ins i32mem:$sym), + "# TLS_base_addr32", + [(X86tlsbaseaddr tls32baseaddr:$sym)]>, + Requires<[In32BitMode]>; +} // All calls clobber the non-callee saved registers. RSP is marked as // a use to prevent stack-pointer assignments that appear immediately @@ -389,11 +394,16 @@ let Defs = [RAX, RCX, RDX, RSI, RDI, R8, R9, R10, R11, MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7, XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7, XMM8, XMM9, XMM10, XMM11, XMM12, XMM13, XMM14, XMM15, EFLAGS], - Uses = [RSP] in + Uses = [RSP] in { def TLS_addr64 : I<0, Pseudo, (outs), (ins i64mem:$sym), "# TLS_addr64", [(X86tlsaddr tls64addr:$sym)]>, Requires<[In64BitMode]>; +def TLS_base_addr64 : I<0, Pseudo, (outs), (ins i64mem:$sym), + "# TLS_base_addr64", + [(X86tlsbaseaddr tls64baseaddr:$sym)]>, + Requires<[In64BitMode]>; +} // Darwin TLS Support // For i386, the address of the thunk is passed on the stack, on return the |