diff --git a/clang/lib/Basic/Targets/RISCV.h b/clang/lib/Basic/Targets/RISCV.h
--- a/clang/lib/Basic/Targets/RISCV.h
+++ b/clang/lib/Basic/Targets/RISCV.h
@@ -41,6 +41,7 @@
     HasRISCVVTypes = true;
     MCountName = "_mcount";
     HasFloat16 = true;
+    HasStrictFP = true;
   }
 
   bool setCPU(const std::string &Name) override {
diff --git a/clang/lib/Basic/Targets/RISCV.cpp b/clang/lib/Basic/Targets/RISCV.cpp
--- a/clang/lib/Basic/Targets/RISCV.cpp
+++ b/clang/lib/Basic/Targets/RISCV.cpp
@@ -282,6 +282,10 @@
   if (ABI.empty())
     ABI = ISAInfo->computeDefaultABI().str();
 
+  // StrictFP support for vectors is incomplete.
+  if (ISAInfo->hasExtension("zve32x"))
+    HasStrictFP = false;
+
   return true;
 }
 
diff --git a/clang/test/CodeGen/builtin_float_strictfp.c b/clang/test/CodeGen/builtin_float_strictfp.c
--- a/clang/test/CodeGen/builtin_float_strictfp.c
+++ b/clang/test/CodeGen/builtin_float_strictfp.c
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple x86_64-windows-pc -ffp-exception-behavior=maytrap -o - %s | FileCheck %s --check-prefixes=CHECK,FP16
 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple ppc64-be -ffp-exception-behavior=maytrap -o - %s | FileCheck %s --check-prefixes=CHECK,NOFP16
+// RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -triple riscv64 -ffp-exception-behavior=maytrap -o - %s | FileCheck %s --check-prefixes=CHECK,FP16
 
 // test to ensure that these builtins don't do the variadic promotion of float->double.
 
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -928,6 +928,10 @@
     }
   }
 
+  // FIXME: Strict FP support is incomplete for vectors.
+  if (!Subtarget.hasVInstructions())
+    IsStrictFPEnabled = true;
+
   // Function alignments.
   const Align FunctionAlignment(Subtarget.hasStdExtC() ? 2 : 4);
   setMinFunctionAlignment(FunctionAlignment);