tkrupa created this revision.
tkrupa added a reviewer: itaraban.
Herald added a subscriber: cfe-commits.
All *_sqrt_round_s[s|d] intrinsics should execute a square root on zeroth
element from B (Ops[1]) and insert in to A (Ops[0]), not the other way around.
Repository:
rC Clang
https://reviews.llvm.org/D48288
Files:
lib/CodeGen/CGBuiltin.cpp
Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp
+++ lib/CodeGen/CGBuiltin.cpp
@@ -9907,15 +9907,15 @@
Intrinsic::x86_avx512_mask_sqrt_ss;
return Builder.CreateCall(CGM.getIntrinsic(IID), Ops);
}
- Value *A = Builder.CreateExtractElement(Ops[0], (uint64_t)0);
+ Value *A = Builder.CreateExtractElement(Ops[1], (uint64_t)0);
Function *F = CGM.getIntrinsic(Intrinsic::sqrt, A->getType());
Value *Src = Builder.CreateExtractElement(Ops[2], (uint64_t)0);
int MaskSize = Ops[3]->getType()->getScalarSizeInBits();
llvm::Type *MaskTy = llvm::VectorType::get(Builder.getInt1Ty(), MaskSize);
Value *Mask = Builder.CreateBitCast(Ops[3], MaskTy);
Mask = Builder.CreateExtractElement(Mask, (uint64_t)0);
A = Builder.CreateSelect(Mask, Builder.CreateCall(F, {A}), Src);
- return Builder.CreateInsertElement(Ops[1], A, (uint64_t)0);
+ return Builder.CreateInsertElement(Ops[0], A, (uint64_t)0);
}
case X86::BI__builtin_ia32_sqrtpd256:
case X86::BI__builtin_ia32_sqrtpd:
Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp
+++ lib/CodeGen/CGBuiltin.cpp
@@ -9907,15 +9907,15 @@
Intrinsic::x86_avx512_mask_sqrt_ss;
return Builder.CreateCall(CGM.getIntrinsic(IID), Ops);
}
- Value *A = Builder.CreateExtractElement(Ops[0], (uint64_t)0);
+ Value *A = Builder.CreateExtractElement(Ops[1], (uint64_t)0);
Function *F = CGM.getIntrinsic(Intrinsic::sqrt, A->getType());
Value *Src = Builder.CreateExtractElement(Ops[2], (uint64_t)0);
int MaskSize = Ops[3]->getType()->getScalarSizeInBits();
llvm::Type *MaskTy = llvm::VectorType::get(Builder.getInt1Ty(), MaskSize);
Value *Mask = Builder.CreateBitCast(Ops[3], MaskTy);
Mask = Builder.CreateExtractElement(Mask, (uint64_t)0);
A = Builder.CreateSelect(Mask, Builder.CreateCall(F, {A}), Src);
- return Builder.CreateInsertElement(Ops[1], A, (uint64_t)0);
+ return Builder.CreateInsertElement(Ops[0], A, (uint64_t)0);
}
case X86::BI__builtin_ia32_sqrtpd256:
case X86::BI__builtin_ia32_sqrtpd:
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