bits<5> shamt = 0;
bit isCommutable = isCom;
bit isReMaterializable = 1;
- bit neverHasSideEffects = 1;
+ bit hasSideEffects = 0;
}
class branch16 {
//
def Mfhi16: FRR16_M_ins<0b10000, "mfhi", IIAlu> {
let Uses = [HI0];
- let neverHasSideEffects = 1;
+ let hasSideEffects = 0;
}
//
//
def Mflo16: FRR16_M_ins<0b10010, "mflo", IIAlu> {
let Uses = [LO0];
- let neverHasSideEffects = 1;
+ let hasSideEffects = 0;
}
//
//
def MultRxRy16: FMULT16_ins<"mult", IIAlu> {
let isCommutable = 1;
- let neverHasSideEffects = 1;
+ let hasSideEffects = 0;
let Defs = [HI0, LO0];
}
def MultuRxRy16: FMULT16_ins<"multu", IIAlu> {
let isCommutable = 1;
- let neverHasSideEffects = 1;
+ let hasSideEffects = 0;
let Defs = [HI0, LO0];
}
//
def MultRxRyRz16: FMULT16_LO_ins<"mult", IIAlu> {
let isCommutable = 1;
- let neverHasSideEffects = 1;
+ let hasSideEffects = 0;
let Defs = [HI0, LO0];
}
//
def MultuRxRyRz16: FMULT16_LO_ins<"multu", IIAlu> {
let isCommutable = 1;
- let neverHasSideEffects = 1;
+ let hasSideEffects = 0;
let Defs = [HI0, LO0];
}
(Jal16 texternalsym:$dst)>;
// Indirect branch
-def: Mips16Pat<
- (brind CPU16Regs:$rs),
- (JrcRx16 CPU16Regs:$rs)>;
+def: Mips16Pat<(brind CPU16Regs:$rs), (JrcRx16 CPU16Regs:$rs)> {
+ // Ensure that the addition of MIPS32r6/MIPS64r6 support does not change
+ // MIPS16's behaviour.
+ let AddedComplexity = 1;
+}
// Jump and Link (Call)
let isCall=1, hasDelaySlot=0 in
//
// For constants, llvm transforms this to:
-// x > (k -1) and then reverses the operands to use setlt. So this pattern
+// x > (k - 1) and then reverses the operands to use setlt. So this pattern
// is not used now by the compiler. (Presumably checking that k-1 does not
-// overflow). The compiler never uses this at a the current time, due to
+// overflow). The compiler never uses this at the current time, due to
// other optimizations.
//
//def: Mips16Pat
// is the index into the MachineConstantPool that this is, the third is the
// size in bytes of this constant pool entry.
//
-let neverHasSideEffects = 1, isNotDuplicable = 1 in
+let hasSideEffects = 0, isNotDuplicable = 1 in
def CONSTPOOL_ENTRY :
MipsPseudo16<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
i32imm:$size), "foo", []>;