maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Add a description for AMD's bdver4 (aka Excavator). 

This is just bdver3 + AVX2 + BMI2.

llvm-svn: 207847
This commit is contained in:
Benjamin Kramer 2014-05-02 15:47:07 +00:00
parent 10b1502733
commit 6004573ecf
2 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
llvm/lib/Support/Host.cpp
View File

@ -435,6 +435,8 @@ StringRef sys::getHostCPUName() {
case 21:
if (!HasAVX) // If the OS doesn't support AVX provide a sane fallback.
return "btver1";
if (Model >= 0x50)
return "bdver4"; // 50h-6Fh: Excavator
if (Model >= 0x30)
return "bdver3"; // 30h-3Fh: Steamroller
if (Model >= 0x10)

7
llvm/lib/Target/X86/X86.td
View File

@ -329,6 +329,13 @@ def : Proc<"bdver3", [FeatureXOP, FeatureFMA4, FeatureCMPXCHG16B,
FeaturePOPCNT, FeatureBMI, FeatureTBM,
FeatureFMA, FeatureFSGSBase]>;
// Excavator
def : Proc<"bdver4", [FeatureAVX2, FeatureXOP, FeatureFMA4,
FeatureCMPXCHG16B, FeatureAES, FeaturePRFCHW,
FeaturePCLMUL, FeatureF16C, FeatureLZCNT,
FeaturePOPCNT, FeatureBMI, FeatureBMI2,
FeatureTBM, FeatureFMA, FeatureFSGSBase]>;
def : Proc<"geode", [Feature3DNowA]>;
def : Proc<"winchip-c6", [FeatureMMX]>;