Enable detection of AVX and AVX2 support through CPUID. Add AVX/AVX2 to corei7-avx, core-avx-i, and core-avx2 cpu names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155618 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 452dd7e..fbc5b8c 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -196,8 +196,7 @@
if ((ECX >> 9) & 1) { X86SSELevel = SSSE3; ToggleFeature(X86::FeatureSSSE3);}
if ((ECX >> 19) & 1) { X86SSELevel = SSE41; ToggleFeature(X86::FeatureSSE41);}
if ((ECX >> 20) & 1) { X86SSELevel = SSE42; ToggleFeature(X86::FeatureSSE42);}
- // FIXME: AVX codegen support is not ready.
- //if ((ECX >> 28) & 1) { X86SSELevel = AVX; ToggleFeature(X86::FeatureAVX); }
+ if ((ECX >> 28) & 1) { X86SSELevel = AVX; ToggleFeature(X86::FeatureAVX); }
bool IsIntel = memcmp(text.c, "GenuineIntel", 12) == 0;
bool IsAMD = !IsIntel && memcmp(text.c, "AuthenticAMD", 12) == 0;
@@ -299,11 +298,10 @@
HasBMI = true;
ToggleFeature(X86::FeatureBMI);
}
- // FIXME: AVX2 codegen support is not ready.
- //if ((EBX >> 5) & 0x1) {
- // X86SSELevel = AVX2;
- // ToggleFeature(X86::FeatureAVX2);
- //}
+ if ((EBX >> 5) & 0x1) {
+ X86SSELevel = AVX2;
+ ToggleFeature(X86::FeatureAVX2);
+ }
if ((EBX >> 8) & 0x1) {
HasBMI2 = true;
ToggleFeature(X86::FeatureBMI2);