================
@@ -96,6 +96,21 @@ def simm32 : RISCVOp<XLenVT> {
}];
}
+// A 32-bit signed immediate where the least significant bit is zero.
+def simm32_lsb0 : Operand<OtherVT> {
+ let ParserMatchClass = SImmAsmOperand<32, "Lsb0">;
+ let PrintMethod = "printBranchOperand";
+ let EncoderMethod = "getImmOpValueAsr1";
+ let DecoderMethod = "decodeSImmOperandAndLsl1<32>";
+ let MCOperandPredicate = [{
+ int64_t Imm;
+ if (!MCOp.evaluateAsConstantImm(Imm))
+ return false;
+ return isShiftedInt<31, 1>(Imm);
----------------
topperc wrote:
Are explicit immediates useful? binutils and llvm disagree on how those are
treated for the existing branches/jumps. llvm treats them as relative
addresses. binutils treats them as absolute addresses.
https://github.com/llvm/llvm-project/pull/131996
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
