[llvm-commits] [llvm] r169477 - in /llvm/trunk/lib/Target/X86: X86InstrInfo.cpp X86InstrSSE.td

[Craig Topper]

Author: ctopper
Date: Thu Dec  6 00:49:16 2012
New Revision: 169477

URL: http://llvm.org/viewvc/llvm-project?rev=169477&view=rev
Log:
Mark MOVDQ(A/U)rm as ReMaterializable. Mark all MOVDQ(A/U) instructions as neverHasSideEffects.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
    llvm/trunk/lib/Target/X86/X86InstrSSE.td

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=169477&r1=169476&r2=169477&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Thu Dec  6 00:49:16 2012
@@ -1551,16 +1551,19 @@
   case X86::MOVUPSrm:
   case X86::MOVAPDrm:
   case X86::MOVDQArm:
+  case X86::MOVDQUrm:
   case X86::VMOVSSrm:
   case X86::VMOVSDrm:
   case X86::VMOVAPSrm:
   case X86::VMOVUPSrm:
   case X86::VMOVAPDrm:
   case X86::VMOVDQArm:
+  case X86::VMOVDQUrm:
   case X86::VMOVAPSYrm:
   case X86::VMOVUPSYrm:
   case X86::VMOVAPDYrm:
   case X86::VMOVDQAYrm:
+  case X86::VMOVDQUYrm:
   case X86::MMX_MOVD64rm:
   case X86::MMX_MOVQ64rm:
   case X86::FsVMOVAPSrm:

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=169477&r1=169476&r2=169477&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Thu Dec  6 00:49:16 2012
@@ -3499,13 +3499,13 @@
 def VMOVDQAYrr : VPDI<0x6F, MRMSrcReg, (outs VR256:$dst), (ins VR256:$src),
                     "movdqa\t{$src, $dst|$dst, $src}", [], IIC_SSE_MOVA_P_RR>,
                     VEX, VEX_L;
-}
 def VMOVDQUrr  : VSSI<0x6F, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
                     "movdqu\t{$src, $dst|$dst, $src}", [], IIC_SSE_MOVU_P_RR>,
                     VEX;
 def VMOVDQUYrr : VSSI<0x6F, MRMSrcReg, (outs VR256:$dst), (ins VR256:$src),
                     "movdqu\t{$src, $dst|$dst, $src}", [], IIC_SSE_MOVU_P_RR>,
                     VEX, VEX_L;
+}
 
 // For Disassembler
 let isCodeGenOnly = 1 in {
@@ -3525,7 +3525,8 @@
                         IIC_SSE_MOVU_P_RR>, VEX, VEX_L;
 }
 
-let canFoldAsLoad = 1, mayLoad = 1 in {
+let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
+    neverHasSideEffects = 1 in {
 def VMOVDQArm  : VPDI<0x6F, MRMSrcMem, (outs VR128:$dst), (ins i128mem:$src),
                    "movdqa\t{$src, $dst|$dst, $src}", [], IIC_SSE_MOVA_P_RM>,
                    VEX;
@@ -3542,7 +3543,7 @@
 }
 }
 
-let mayStore = 1 in {
+let mayStore = 1, neverHasSideEffects = 1 in {
 def VMOVDQAmr  : VPDI<0x7F, MRMDestMem, (outs),
                      (ins i128mem:$dst, VR128:$src),
                      "movdqa\t{$src, $dst|$dst, $src}", [], IIC_SSE_MOVA_P_MR>,
@@ -3580,7 +3581,8 @@
                        [], IIC_SSE_MOVU_P_RR>, XS, Requires<[UseSSE2]>;
 }
 
-let canFoldAsLoad = 1, mayLoad = 1 in {
+let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
+    neverHasSideEffects = 1 in {
 def MOVDQArm : PDI<0x6F, MRMSrcMem, (outs VR128:$dst), (ins i128mem:$src),
                    "movdqa\t{$src, $dst|$dst, $src}",
                    [/*(set VR128:$dst, (alignedloadv2i64 addr:$src))*/],