//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chris Lattner and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
def ARMtcall : SDNode<"ARMISD::tCALL", SDT_ARMcall,
[SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
-// TI - Thumb instruction.
-
-// ThumbPat - Same as Pat<>, but requires that the compiler be in Thumb mode.
-class ThumbPat<dag pattern, dag result> : Pat<pattern, result> {
- list<Predicate> Predicates = [IsThumb];
-}
-
-class ThumbV5Pat<dag pattern, dag result> : Pat<pattern, result> {
- list<Predicate> Predicates = [IsThumb, HasV5T];
-}
-
-class ThumbI<dag outs, dag ins, AddrMode am, SizeFlagVal sz,
- string asm, string cstr, list<dag> pattern>
- // FIXME: Set all opcodes to 0 for now.
- : InstARM<0, am, sz, IndexModeNone, cstr> {
- let OutOperandList = outs;
- let InOperandList = ins;
- let AsmString = asm;
- let Pattern = pattern;
- list<Predicate> Predicates = [IsThumb];
-}
-
-class TI<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeNone, Size2Bytes, asm, "", pattern>;
-class TI1<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeT1, Size2Bytes, asm, "", pattern>;
-class TI2<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeT2, Size2Bytes, asm, "", pattern>;
-class TI4<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeT4, Size2Bytes, asm, "", pattern>;
-class TIs<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeTs, Size2Bytes, asm, "", pattern>;
-
-// Two-address instructions
-class TIt<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeNone, Size2Bytes, asm, "$lhs = $dst", pattern>;
-
-// BL, BLX(1) are translated by assembler into two instructions
-class TIx2<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeNone, Size4Bytes, asm, "", pattern>;
-
-// BR_JT instructions
-class TJTI<dag outs, dag ins, string asm, list<dag> pattern>
- : ThumbI<outs, ins, AddrModeNone, SizeSpecial, asm, "", pattern>;
-
def imm_neg_XFORM : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant(-(int)N->getValue(), MVT::i32);
}]>;
// Miscellaneous Instructions.
//
+let Defs = [SP], Uses = [SP] in {
def tADJCALLSTACKUP :
-PseudoInst<(outs), (ins i32imm:$amt),
- "@ tADJCALLSTACKUP $amt",
- [(ARMcallseq_end imm:$amt)]>, Imp<[SP],[SP]>, Requires<[IsThumb]>;
+PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2),
+ "@ tADJCALLSTACKUP $amt1",
+ [(ARMcallseq_end imm:$amt1, imm:$amt2)]>, Requires<[IsThumb]>;
def tADJCALLSTACKDOWN :
PseudoInst<(outs), (ins i32imm:$amt),
"@ tADJCALLSTACKDOWN $amt",
- [(ARMcallseq_start imm:$amt)]>, Imp<[SP],[SP]>, Requires<[IsThumb]>;
+ [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb]>;
+}
let isNotDuplicable = 1 in
def tPICADD : TIt<(outs GPR:$dst), (ins GPR:$lhs, pclabel:$cp),
}
// FIXME: remove when we have a way to marking a MI with these properties.
-let isLoad = 1, isReturn = 1, isTerminator = 1 in
+let isReturn = 1, isTerminator = 1 in
def tPOP_RET : TI<(outs reglist:$dst1, variable_ops), (ins),
"pop $dst1", []>;
// Load Store Instructions.
//
-let isLoad = 1 in {
+let isSimpleLoad = 1 in
def tLDR : TI4<(outs GPR:$dst), (ins t_addrmode_s4:$addr),
"ldr $dst, $addr",
[(set GPR:$dst, (load t_addrmode_s4:$addr))]>;
"ldrsh $dst, $addr",
[(set GPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>;
+let isSimpleLoad = 1 in
def tLDRspi : TIs<(outs GPR:$dst), (ins t_addrmode_sp:$addr),
"ldr $dst, $addr",
[(set GPR:$dst, (load t_addrmode_sp:$addr))]>;
// Special instruction for restore. It cannot clobber condition register
// when it's expanded by eliminateCallFramePseudoInstr().
+let isSimpleLoad = 1, mayLoad = 1 in
def tRestore : TIs<(outs GPR:$dst), (ins t_addrmode_sp:$addr),
"ldr $dst, $addr", []>;
// Load tconstpool
+let isSimpleLoad = 1 in
def tLDRpci : TIs<(outs GPR:$dst), (ins i32imm:$addr),
"ldr $dst, $addr",
[(set GPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>;
// Special LDR for loads from non-pc-relative constpools.
-let isReMaterializable = 1 in
+let isSimpleLoad = 1, mayLoad = 1, isReMaterializable = 1 in
def tLDRcp : TIs<(outs GPR:$dst), (ins i32imm:$addr),
"ldr $dst, $addr", []>;
-} // isLoad
-let isStore = 1 in {
def tSTR : TI4<(outs), (ins GPR:$src, t_addrmode_s4:$addr),
"str $src, $addr",
[(store GPR:$src, t_addrmode_s4:$addr)]>;
"str $src, $addr",
[(store GPR:$src, t_addrmode_sp:$addr)]>;
+let mayStore = 1 in {
// Special instruction for spill. It cannot clobber condition register
// when it's expanded by eliminateCallFramePseudoInstr().
def tSpill : TIs<(outs), (ins GPR:$src, t_addrmode_sp:$addr),
// TODO: A7-44: LDMIA - load multiple
-let isLoad = 1 in
+let mayLoad = 1 in
def tPOP : TI<(outs reglist:$dst1, variable_ops), (ins),
"pop $dst1", []>;
-let isStore = 1 in
+let mayStore = 1 in
def tPUSH : TI<(outs), (ins reglist:$src1, variable_ops),
"push $src1", []>;
def : ThumbPat<(extloadi8 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
def : ThumbPat<(extloadi16 t_addrmode_s2:$addr), (tLDRH t_addrmode_s2:$addr)>;
-// truncstore i1 -> truncstore i8
-def : ThumbPat<(truncstorei1 GPR:$src, t_addrmode_s1:$dst),
- (tSTRB GPR:$src, t_addrmode_s1:$dst)>;
-
// Large immediate handling.
// Two piece imms.
projects / oota-llvm.git / blobdiff