void PPCTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features,
StringRef Name, bool Enabled) const {
- // If we're enabling direct-move or power8-vector go ahead and enable vsx
- // as well. Do the inverse if we're disabling vsx. We'll diagnose any user
- // incompatible options.
if (Enabled) {
- if (Name == "direct-move" ||
- Name == "power8-vector" ||
- Name == "float128" ||
- Name == "power9-vector") {
- // power9-vector is really a superset of power8-vector so encode that.
- Features[Name] = Features["vsx"] = true;
- if (Name == "power9-vector")
- Features["power8-vector"] = true;
- } else {
- Features[Name] = true;
- }
+ // If we're enabling any of the vsx based features then enable vsx and
+ // altivec. We'll diagnose any problems later.
+ bool FeatureHasVSX = llvm::StringSwitch<bool>(Name)
+ .Case("vsx", true)
+ .Case("direct-move", true)
+ .Case("power8-vector", true)
+ .Case("power9-vector", true)
+ .Case("float128", true)
+ .Default(false);
+ if (FeatureHasVSX)
+ Features["vsx"] = Features["altivec"] = true;
+ if (Name == "power9-vector")
+ Features["power8-vector"] = true;
+ Features[Name] = true;
} else {
- if (Name == "vsx") {
- Features[Name] = Features["direct-move"] = Features["power8-vector"] =
+ // If we're disabling altivec or vsx go ahead and disable all of the vsx
+ // features.
+ if ((Name == "altivec") || (Name == "vsx"))
+ Features["vsx"] = Features["direct-move"] = Features["power8-vector"] =
Features["float128"] = Features["power9-vector"] = false;
- } else {
- Features[Name] = false;
- }
+ if (Name == "power8-vector")
+ Features["power9-vector"] = false;
+ Features[Name] = false;
}
}
// End X86/GCC/Linux tests ------------------
// Begin PPC/GCC/Linux tests ----------------
+// Check that VSX also turns on altivec.
+// RUN: %clang -mvsx -E -dM %s -o - 2>&1 \
+// RUN: -target powerpc-unknown-linux \
+// RUN: | FileCheck -match-full-lines %s -check-prefix=CHECK_PPC_VSX_M32
+//
+// CHECK_PPC_VSX_M32: #define __ALTIVEC__ 1
+// CHECK_PPC_VSX_M32: #define __VSX__ 1
+//
// RUN: %clang -mvsx -E -dM %s -o - 2>&1 \
// RUN: -target powerpc64-unknown-linux \
// RUN: | FileCheck -match-full-lines %s -check-prefix=CHECK_PPC_VSX_M64