[AArch64] Enable ARMv8.3-A pointer authentication
Add assembler and disassembler support for the ARMv8.3-A pointer
authentication instructions.
Differential Revision: https://reviews.llvm.org/D36517
llvm-svn: 310709
diff --git a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
index 03caaf0..de50bfb 100644
--- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -465,6 +465,15 @@
int64_t Val = MCE->getValue();
return (Val >= -256 && Val < 256);
}
+ bool isSImm10s8() const {
+ if (!isImm())
+ return false;
+ const MCConstantExpr *MCE = dyn_cast<MCConstantExpr>(getImm());
+ if (!MCE)
+ return false;
+ int64_t Val = MCE->getValue();
+ return (Val >= -4096 && Val < 4089 && (Val & 7) == 0);
+ }
bool isSImm7s4() const {
if (!isImm())
return false;
@@ -1213,6 +1222,12 @@
Inst.addOperand(MCOperand::createImm(MCE->getValue()));
}
+ void addSImm10s8Operands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm());
+ Inst.addOperand(MCOperand::createImm(MCE->getValue() / 8));
+ }
+
void addSImm7s4Operands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
const MCConstantExpr *MCE = cast<MCConstantExpr>(getImm());
@@ -3299,6 +3314,8 @@
"expected compatible register or floating-point constant");
case Match_InvalidMemoryIndexedSImm9:
return Error(Loc, "index must be an integer in range [-256, 255].");
+ case Match_InvalidMemoryIndexedSImm10:
+ return Error(Loc, "index must be a multiple of 8 in range [-4096, 4088].");
case Match_InvalidMemoryIndexed4SImm7:
return Error(Loc, "index must be a multiple of 4 in range [-256, 252].");
case Match_InvalidMemoryIndexed8SImm7:
@@ -3766,6 +3783,7 @@
case Match_InvalidMemoryIndexed8SImm7:
case Match_InvalidMemoryIndexed16SImm7:
case Match_InvalidMemoryIndexedSImm9:
+ case Match_InvalidMemoryIndexedSImm10:
case Match_InvalidImm0_1:
case Match_InvalidImm0_7:
case Match_InvalidImm0_15: