[AArch64] Invert check for soft-float ABI (NFC)

ostannard · ostannard · commit a1171c8bd9c1 · 2024-01-11T10:00:20.000Z
If any other AArch64ABIKinds reach here in future they will use
floating-point registers, which is a better default.
diff --git a/clang/lib/CodeGen/Targets/AArch64.cpp b/clang/lib/CodeGen/Targets/AArch64.cpp
@@ -542,7 +542,7 @@ Address AArch64ABIInfo::EmitAAPCSVAArg(Address VAListAddr, QualType Ty,
     BaseTy = ArrTy->getElementType();
     NumRegs = ArrTy->getNumElements();
   }
-  bool IsFPR = Kind == AArch64ABIKind::AAPCS &&
+  bool IsFPR = Kind != AArch64ABIKind::AAPCSSoft &&
                (BaseTy->isFloatingPointTy() || BaseTy->isVectorTy());
 
   // The AArch64 va_list type and handling is specified in the Procedure Call

Original file line number	Diff line number	Diff line change
`@@ -542,7 +542,7 @@ Address AArch64ABIInfo::EmitAAPCSVAArg(Address VAListAddr, QualType Ty,`
`542`	`542`	`BaseTy = ArrTy->getElementType();`
`543`	`543`	`NumRegs = ArrTy->getNumElements();`
`544`	`544`	`}`
`545`		`- bool IsFPR = Kind == AArch64ABIKind::AAPCS &&`
	`545`	`+ bool IsFPR = Kind != AArch64ABIKind::AAPCSSoft &&`
`546`	`546`	`(BaseTy->isFloatingPointTy() \|\| BaseTy->isVectorTy());`
`547`	`547`
`548`	`548`	`// The AArch64 va_list type and handling is specified in the Procedure Call`