//
def ARMtcall : SDNode<"ARMISD::tCALL", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def imm_neg_XFORM : SDNodeXForm<imm, [{
}
// Change Processor State is a system instruction -- for disassembly only.
-// The singleton $opt operand contains the following information:
-//
-// opt{4-0} = mode ==> don't care
-// opt{5} = changemode ==> 0 (false for 16-bit Thumb instr)
-// opt{8-6} = AIF from Inst{2-0}
-// opt{10-9} = 1:imod from Inst{4} with 0b10 as enable and 0b11 as disable
-//
-// The opt{4-0} and opt{5} sub-fields are to accommodate 32-bit Thumb and ARM
-// CPS which has more options.
-def tCPS : T1I<(outs), (ins cps_opt:$opt), NoItinerary, "cps$opt",
- [/* For disassembly only; pattern left blank */]>,
+def tCPS : T1I<(outs), (ins imod_op:$imod, iflags_op:$iflags),
+ NoItinerary, "cps$imod $iflags",
+ [/* For disassembly only; pattern left blank */]>,
T1Misc<0b0110011> {
// A8.6.38 & B6.1.1
- let Inst{3} = 0;
- // FIXME: Finish encoding.
+ bit imod;
+ bits<3> iflags;
+
+ let Inst{4} = imod;
+ let Inst{3} = 0;
+ let Inst{2-0} = iflags;
}
// For both thumb1 and thumb2.
let Inst{2-0} = 0b000;
}
+ def tBX_Rm : TI<(outs), (ins pred:$p, GPR:$Rm), IIC_Br, "bx${p}\t$Rm",
+ [/* for disassembly only */]>,
+ T1Special<{1,1,0,?}> {
+ // A6.2.3 & A8.6.25
+ bits<4> Rm;
+ let Inst{6-3} = Rm;
+ let Inst{2-0} = 0b000;
+ }
+
// Alternative return instruction used by vararg functions.
def tBX_RET_vararg : TI<(outs), (ins tGPR:$Rm),
IIC_Br, "bx\t$Rm",
def tBR_JTr : tPseudoInst<(outs),
(ins tGPR:$target, i32imm:$jt, i32imm:$id),
- Size2Bytes, IIC_Br,
+ SizeSpecial, IIC_Br,
[(ARMbrjt tGPR:$target, tjumptable:$jt, imm:$id)]> {
list<Predicate> Predicates = [IsThumb, IsThumb1Only];
}
"revsh", "\t$Rd, $Rm",
[(set tGPR:$Rd,
(sext_inreg
- (or (srl (and tGPR:$Rm, 0xFF00), (i32 8)),
+ (or (srl tGPR:$Rm, (i32 8)),
(shl tGPR:$Rm, (i32 8))), i16))]>,
Requires<[IsThumb, IsThumb1Only, HasV6]>;
+def : T1Pat<(sext_inreg (or (srl (and tGPR:$Rm, 0xFF00), (i32 8)),
+ (shl tGPR:$Rm, (i32 8))), i16),
+ (tREVSH tGPR:$Rm)>,
+ Requires<[IsThumb, IsThumb1Only, HasV6]>;
+
+def : T1Pat<(sra (bswap tGPR:$Rm), (i32 16)), (tREVSH tGPR:$Rm)>,
+ Requires<[IsThumb, IsThumb1Only, HasV6]>;
+
// Rotate right register
def tROR : // A8.6.139
T1sItDPEncode<0b0111, (outs tGPR:$Rdn), (ins tGPR:$Rn, tGPR:$Rm),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
Size2Bytes, IIC_iALUi, []>;
+//===----------------------------------------------------------------------===//
+// Move between coprocessor and ARM core register -- for disassembly only
+//
+
+class tMovRCopro<string opc, bit direction, dag oops, dag iops>
+ : T1Cop<oops, iops, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-24} = 0b1110;
+ let Inst{20} = direction;
+ let Inst{4} = 1;
+
+ bits<4> Rt;
+ bits<4> cop;
+ bits<3> opc1;
+ bits<3> opc2;
+ bits<4> CRm;
+ bits<4> CRn;
+
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = cop;
+ let Inst{23-21} = opc1;
+ let Inst{7-5} = opc2;
+ let Inst{3-0} = CRm;
+ let Inst{19-16} = CRn;
+}
+
+def tMCR : tMovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
+ (outs), (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
+ c_imm:$CRm, i32imm:$opc2)>;
+def tMRC : tMovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
+ (outs GPR:$Rt), (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn,
+ c_imm:$CRm, i32imm:$opc2)>;
+
+class tMovRRCopro<string opc, bit direction>
+ : T1Cop<(outs), (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
+ !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-24} = 0b1100;
+ let Inst{23-21} = 0b010;
+ let Inst{20} = direction;
+
+ bits<4> Rt;
+ bits<4> Rt2;
+ bits<4> cop;
+ bits<4> opc1;
+ bits<4> CRm;
+
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+ let Inst{11-8} = cop;
+ let Inst{7-4} = opc1;
+ let Inst{3-0} = CRm;
+}
+
+def tMCRR : tMovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
+def tMRRC : tMovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
+
+//===----------------------------------------------------------------------===//
+// Other Coprocessor Instructions. For disassembly only.
+//
+def tCDP : T1Cop<(outs), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ "cdp\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{27-24} = 0b1110;
+
+ bits<4> opc1;
+ bits<4> CRn;
+ bits<4> CRd;
+ bits<4> cop;
+ bits<3> opc2;
+ bits<4> CRm;
+
+ let Inst{3-0} = CRm;
+ let Inst{4} = 0;
+ let Inst{7-5} = opc2;
+ let Inst{11-8} = cop;
+ let Inst{15-12} = CRd;
+ let Inst{19-16} = CRn;
+ let Inst{23-20} = opc1;
+}
+
//===----------------------------------------------------------------------===//
// TLS Instructions
//
// from some other function to get here, and we're using the stack frame for the
// containing function to save/restore registers, we can't keep anything live in
// regs across the eh_sjlj_setjmp(), else it will almost certainly have been
-// tromped upon when we get here from a longjmp(). We force everthing out of
+// tromped upon when we get here from a longjmp(). We force everything out of
// registers except for our own input by listing the relevant registers in
// Defs. By doing so, we also cause the prologue/epilogue code to actively
// preserve all of the callee-saved resgisters, which is exactly what we want.
projects / oota-llvm.git / blobdiff