[llvm-commits] [llvm] r43669 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp test/CodeGen/X86/2007-11-03-x86-64-q-constraint.ll

[Chris Lattner]

Author: lattner
Date: Sun Nov  4 01:51:12 2007
New Revision: 43669

URL: http://llvm.org/viewvc/llvm-project?rev=43669&view=rev
Log:
Fix PR1763 by allowing the 'q' constraint to work with 64-bit
regs on x86-64.

Added:
    llvm/trunk/test/CodeGen/X86/2007-11-03-x86-64-q-constraint.ll
Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=43669&r1=43668&r2=43669&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sun Nov  4 01:51:12 2007
@@ -5708,7 +5708,9 @@
         return make_vector<unsigned>(X86::AX, X86::DX, X86::CX, X86::BX, 0);
       else if (VT == MVT::i8)
         return make_vector<unsigned>(X86::AL, X86::DL, X86::CL, X86::BL, 0);
-        break;
+      else if (VT == MVT::i64)
+        return make_vector<unsigned>(X86::RAX, X86::RDX, X86::RCX, X86::RBX, 0);
+      break;
     }
   }
 

Added: llvm/trunk/test/CodeGen/X86/2007-11-03-x86-64-q-constraint.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2007-11-03-x86-64-q-constraint.ll?rev=43669&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/X86/2007-11-03-x86-64-q-constraint.ll (added)
+++ llvm/trunk/test/CodeGen/X86/2007-11-03-x86-64-q-constraint.ll Sun Nov  4 01:51:12 2007
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc
+; PR1763
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @yield() {
+        %tmp9 = call i64 asm sideeffect "xchgb ${0:b},$1", "=q,*m,0,~{dirflag},~{fpsr},~{flags},~{memory}"( i64* null, i64 0 )   ; <i64>
+        ret void
+}