Enable inlining of 4 byte atomic ops on ppc32, 8 byte atomic ops on ppc64.
Also fixes a bit/byte mismatch when checking if a target supports atomic ops of a certain size.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168260 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 305dc7c..95f7d58 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1037,6 +1037,9 @@
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble;
}
+
+ // PPC32 supports atomics up to 4 bytes.
+ MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
}
virtual BuiltinVaListKind getBuiltinVaListKind() const {
@@ -1065,7 +1068,9 @@
DescriptionString = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-f128:128:128-"
"v128:128:128-n32:64";
-
+
+ // PPC64 supports atomics up to 8 bytes.
+ MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
}
virtual BuiltinVaListKind getBuiltinVaListKind() const {
return TargetInfo::CharPtrBuiltinVaList;