[llvm-commits] [llvm] r106621 - in /llvm/trunk/lib/Target/X86: X86Instr64bit.td X86InstrInfo.td

[Eric Christopher]

Author: echristo
Date: Wed Jun 23 03:01:49 2010
New Revision: 106621

URL: http://llvm.org/viewvc/llvm-project?rev=106621&view=rev
Log:
Update uses, defs, and comments for darwin tls patterns.

Modified:
    llvm/trunk/lib/Target/X86/X86Instr64bit.td
    llvm/trunk/lib/Target/X86/X86InstrInfo.td

Modified: llvm/trunk/lib/Target/X86/X86Instr64bit.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Instr64bit.td?rev=106621&r1=106620&r2=106621&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Instr64bit.td (original)
+++ llvm/trunk/lib/Target/X86/X86Instr64bit.td Wed Jun 23 03:01:49 2010
@@ -1705,13 +1705,10 @@
                   [(X86tlsaddr tls64addr:$sym)]>,
                   Requires<[In64BitMode]>;
 
-// FIXME: Not true for darwin
-let Defs = [RAX, RCX, RDX, RSI, RDI, R8, R9, R10, R11,
-            FP0, FP1, FP2, FP3, FP4, FP5, FP6, ST0, ST1,
-            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],
+// For x86_64, the address of the thunk is passed in %rdi, on return 
+// the address of the variable is in %rax.  All other registers are preserved.
+let Defs = [RAX],
+    Uses = [RDI],
     usesCustomInserter = 1 in
 def TLSCall_64 : I<0, Pseudo, (outs), (ins i64mem:$sym),
                   "# Fixme into a call",

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=106621&r1=106620&r2=106621&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Wed Jun 23 03:01:49 2010
@@ -3851,12 +3851,11 @@
                   [(X86tlsaddr tls32addr:$sym)]>,
                   Requires<[In32BitMode]>;
 
-// FIXME: Not true for darwin
-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],
+// For i386, the address of the thunk is passed on the stack, on return the 
+// address of the variable is in %eax.  %ecx is trashed during the function 
+// call.  %edx is preserved.
+let Defs = [EAX],
+    Uses = [ESP, ECX],
     usesCustomInserter = 1 in
 def TLSCall_32 : I<0, Pseudo, (outs), (ins i32mem:$sym),
                 "# Fixme into a call",