ARM assembler aliases for "add Rd, #-imm" to "sub Rd, #imm".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146111 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 153bed4..8d02dd6 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -749,6 +749,14 @@
int64_t Value = CE->getValue();
return ARM_AM::getSOImmVal(~Value) != -1;
}
+ bool isARMSOImmNeg() const {
+ if (Kind != k_Immediate)
+ return false;
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ if (!CE) return false;
+ int64_t Value = CE->getValue();
+ return ARM_AM::getSOImmVal(-Value) != -1;
+ }
bool isT2SOImm() const {
if (Kind != k_Immediate)
return false;
@@ -765,6 +773,14 @@
int64_t Value = CE->getValue();
return ARM_AM::getT2SOImmVal(~Value) != -1;
}
+ bool isT2SOImmNeg() const {
+ if (Kind != k_Immediate)
+ return false;
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ if (!CE) return false;
+ int64_t Value = CE->getValue();
+ return ARM_AM::getT2SOImmVal(-Value) != -1;
+ }
bool isSetEndImm() const {
if (Kind != k_Immediate)
return false;
@@ -1321,6 +1337,14 @@
Inst.addOperand(MCOperand::CreateImm(~CE->getValue()));
}
+ void addT2SOImmNegOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ // The operand is actually a t2_so_imm, but we have its
+ // negation in the assembly source, so twiddle it here.
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ Inst.addOperand(MCOperand::CreateImm(-CE->getValue()));
+ }
+
void addARMSOImmNotOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
// The operand is actually a so_imm, but we have its bitwise
@@ -1329,6 +1353,14 @@
Inst.addOperand(MCOperand::CreateImm(~CE->getValue()));
}
+ void addARMSOImmNegOperands(MCInst &Inst, unsigned N) const {
+ assert(N == 1 && "Invalid number of operands!");
+ // The operand is actually a so_imm, but we have its
+ // negation in the assembly source, so twiddle it here.
+ const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
+ Inst.addOperand(MCOperand::CreateImm(-CE->getValue()));
+ }
+
void addMemBarrierOptOperands(MCInst &Inst, unsigned N) const {
assert(N == 1 && "Invalid number of operands!");
Inst.addOperand(MCOperand::CreateImm(unsigned(getMemBarrierOpt())));