[riscv64]Fix about nan error

Change-Id: Ib606da34b76b28fd55811225de47e407a1ebd8ef
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3717551Reviewed-by: ji qiu <qiuji@iscas.ac.cn>
Auto-Submit: Yahan Lu <yahan@iscas.ac.cn>
Commit-Queue: ji qiu <qiuji@iscas.ac.cn>
Cr-Commit-Position: refs/heads/main@{#81319}

src/codegen/riscv64/macro-assembler-riscv64.cc

@@ -3637,7 +3637,7 @@ void TurboAssembler::FPUCanonicalizeNaN(const DoubleRegister dst,
   if (IsDoubleZeroRegSet()) {
     fsub_d(dst, src, kDoubleRegZero);
   } else {
-    LoadFPRImmediate(kDoubleRegZero, 0.0f);
+    LoadFPRImmediate(kDoubleRegZero, 0.0);
     fsub_d(dst, src, kDoubleRegZero);
   }
 }