Set the default hardware division features for ARM cpus. Also set it as default for A32 armv8.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193075 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index f5249e5..843cc1b 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3760,16 +3760,31 @@
}
void getDefaultFeatures(llvm::StringMap<bool> &Features) const {
+ StringRef ArchName = getTriple().getArchName();
if (CPU == "arm1136jf-s" || CPU == "arm1176jzf-s" || CPU == "mpcore")
Features["vfp2"] = true;
else if (CPU == "cortex-a8" || CPU == "cortex-a9" ||
CPU == "cortex-a9-mp") {
Features["vfp3"] = true;
Features["neon"] = true;
- } else if (CPU == "swift" || CPU == "cortex-a5" ||
- CPU == "cortex-a7" || CPU == "cortex-a15") {
+ }
+ else if (CPU == "cortex-a5") {
Features["vfp4"] = true;
Features["neon"] = true;
+ } else if (CPU == "swift" || CPU == "cortex-a7" || CPU == "cortex-a15") {
+ Features["vfp4"] = true;
+ Features["neon"] = true;
+ Features["hwdiv"] = true;
+ Features["hwdiv-arm"] = true;
+ } else if (CPU == "cortex-r5" || CPU == "cortex-a53"||
+ CPU == "cortex-a57" || CPU == "cortex-m3" ||
+ CPU == "cortex-m4" ||
+ // Enable the hwdiv extension for all v8a AArch32 cores by
+ // default.
+ ArchName == "armv8a" || ArchName == "armv8" ||
+ ArchName == "thumbv8a" || ArchName == "thumbv8") {
+ Features["hwdiv"] = true;
+ Features["hwdiv-arm"] = true;
}
}