================
@@ -3256,11 +3165,37 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC,
const CallExpr *Call,
case clang::X86::BI__builtin_ia32_bextr_u64:
case clang::X86::BI__builtin_ia32_bextri_u32:
case clang::X86::BI__builtin_ia32_bextri_u64:
- return interp__builtin_ia32_bextr(S, OpPC, Frame, Call);
+ return interp__builtin_elementwise_int_binop(
+ S, OpPC, Call, [](const APSInt &Val, const APSInt &Idx) {
+ unsigned BitWidth = Val.getBitWidth();
+ uint64_t Shift = Idx.extractBitsAsZExtValue(8, 0);
+ uint64_t Length = Idx.extractBitsAsZExtValue(8, 8);
+ if (Length > BitWidth) {
+ Length = BitWidth;
+ }
----------------
RKSimon wrote:
(style) unnecessary braces
https://github.com/llvm/llvm-project/pull/160362
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