[llvm] r269018 - [X86] Add ZMM registers to the X86_INTR calling convention preserved mask when AVX512 is enabled.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Tue May 10 00:28:02 2016
New Revision: 269018

URL: http://llvm.org/viewvc/llvm-project?rev=269018&view=rev
Log:
[X86] Add ZMM registers to the X86_INTR calling convention preserved mask when AVX512 is enabled.

Modified:
    llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp?rev=269018&r1=269017&r2=269018&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp Tue May 10 00:28:02 2016
@@ -385,6 +385,8 @@ X86RegisterInfo::getCallPreservedMask(co
     return CSR_64_RegMask;
   case CallingConv::X86_INTR:
     if (Is64Bit) {
+      if (HasAVX512)
+        return CSR_64_AllRegs_AVX512_RegMask;
       if (HasAVX)
         return CSR_64_AllRegs_AVX_RegMask;
       else