[llvm-commits] [llvm] r162963 - in /llvm/trunk: lib/Target/X86/X86InstrSSE.td test/MC/X86/x86-64.s

[Jim Grosbach]

Author: grosbach
Date: Thu Aug 30 19:30:30 2012
New Revision: 162963

URL: http://llvm.org/viewvc/llvm-project?rev=162963&view=rev
Log:
X86: Fix encoding of 'movd %xmm0, %rax'

The assembly string for the VMOVPQIto64rr instruction incorrectly lacked the 'v'
prefix, resulting in mis-assembly of the vanilla movd instruction.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSSE.td
    llvm/trunk/test/MC/X86/x86-64.s

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=162963&r1=162962&r2=162963&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Thu Aug 30 19:30:30 2012
@@ -4538,7 +4538,7 @@
 // Move Packed Doubleword Int first element to Doubleword Int
 //
 def VMOVPQIto64rr : I<0x7E, MRMDestReg, (outs GR64:$dst), (ins VR128:$src),
-                          "mov{d|q}\t{$src, $dst|$dst, $src}",
+                          "vmov{d|q}\t{$src, $dst|$dst, $src}",
                           [(set GR64:$dst, (vector_extract (v2i64 VR128:$src),
                                                            (iPTR 0)))],
                                                            IIC_SSE_MOVD_ToGP>,

Modified: llvm/trunk/test/MC/X86/x86-64.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/X86/x86-64.s?rev=162963&r1=162962&r2=162963&view=diff
==============================================================================
--- llvm/trunk/test/MC/X86/x86-64.s (original)
+++ llvm/trunk/test/MC/X86/x86-64.s Thu Aug 30 19:30:30 2012
@@ -1164,6 +1164,10 @@
 // CHECK: encoding: [0x66,0x48,0x0f,0x6e,0xc7]
 	movd %rdi,%xmm0
 
+// CHECK: movd  %xmm0, %rax
+// CHECK: encoding: [0x66,0x48,0x0f,0x7e,0xc0]
+        movd  %xmm0, %rax
+
 // CHECK: movntil %eax, (%rdi)
 // CHECK: encoding: [0x0f,0xc3,0x07]
 // CHECK: movntil