Author: YunQiang Su
Date: 2024-05-20T14:50:26+08:00
New Revision: 073488cb1f2ca131253efa3171bd56be34ba9fb3

URL: 
https://github.com/llvm/llvm-project/commit/073488cb1f2ca131253efa3171bd56be34ba9fb3
DIFF: 
https://github.com/llvm/llvm-project/commit/073488cb1f2ca131253efa3171bd56be34ba9fb3.diff

LOG: MIPS/Clang: Use FP32 by default if CPU is mips1 (#92122)

FP32 is the only supported FPMode of mips1.
FPXX requires MIPS2+ and FP64 requires MIPS32r2+.

Added: 
    

Modified: 
    clang/lib/Basic/Targets/Mips.h

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/Mips.h b/clang/lib/Basic/Targets/Mips.h
index 730deb674aa57..f76c6ece8bf48 100644
--- a/clang/lib/Basic/Targets/Mips.h
+++ b/clang/lib/Basic/Targets/Mips.h
@@ -85,8 +85,13 @@ class LLVM_LIBRARY_VISIBILITY MipsTargetInfo : public 
TargetInfo {
     return CPU == "mips32r6" || CPU == "mips64r6";
   }
 
-  bool isFP64Default() const {
-    return CPU == "mips32r6" || ABI == "n32" || ABI == "n64" || ABI == "64";
+  enum FPModeEnum getDefaultFPMode() const {
+    if (CPU == "mips32r6" || ABI == "n32" || ABI == "n64" || ABI == "64")
+      return FP64;
+    else if (CPU == "mips1")
+      return FP32;
+    else
+      return FPXX;
   }
 
   bool isNan2008() const override { return IsNan2008; }
@@ -315,8 +320,8 @@ class LLVM_LIBRARY_VISIBILITY MipsTargetInfo : public 
TargetInfo {
     IsSingleFloat = false;
     FloatABI = HardFloat;
     DspRev = NoDSP;
-    FPMode = isFP64Default() ? FP64 : FPXX;
     NoOddSpreg = false;
+    FPMode = getDefaultFPMode();
     bool OddSpregGiven = false;
     bool StrictAlign = false;
 


        
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