[X86] Add initial skeleton support for knm cpu
This adds Intel's Knights Mill CPU to valid CPU names for the backend. For now its an alias of "knl", but ultimately we need to support AVX5124FMAPS and AVX5124VNNIW instruction sets for it.
Differential Revision: https://reviews.llvm.org/D38811
llvm-svn: 315722
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index e5bd7e0..b1d5b44 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -339,6 +339,7 @@
AMD_BTVER1,
AMD_BTVER2,
AMDFAM17H,
+ INTEL_KNM,
// Entries below this are not in libgcc/compiler-rt.
INTEL_i386,
INTEL_i486,
@@ -759,6 +760,9 @@
case 0x57:
*Type = INTEL_KNL; // knl
break;
+ case 0x85:
+ *Type = INTEL_KNM; // knm
+ break;
default: // Unknown family 6 CPU, try to guess.
if (Features & (1 << FEATURE_AVX512F)) {
@@ -1167,6 +1171,8 @@
return "goldmont";
case INTEL_KNL:
return "knl";
+ case INTEL_KNM:
+ return "knm";
case INTEL_X86_64:
return "x86-64";
case INTEL_NOCONA: