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LLVM 20.0.0git
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| enum llvm::PPCISD::NodeType : unsigned |
| Enumerator | |
|---|---|
| FIRST_NUMBER | |
| FSEL | FSEL - Traditional three-operand fsel node. |
| XSMAXC | XSMAXC[DQ]P, XSMINC[DQ]P - C-type min/max instructions. |
| XSMINC | |
| FCFID | FCFID - The FCFID instruction, taking an f64 operand and producing and f64 value containing the FP representation of the integer that was temporarily in the f64 operand. |
| FCFIDU | Newer FCFID[US] integer-to-floating-point conversion instructions for unsigned integers and single-precision outputs. |
| FCFIDS | |
| FCFIDUS | |
| FCTIDZ | FCTI[D,W]Z - The FCTIDZ and FCTIWZ instructions, taking an f32 or f64 operand, producing an f64 value containing the integer representation of that FP value. |
| FCTIWZ | |
| FCTIDUZ | Newer FCTI[D,W]UZ floating-point-to-integer conversion instructions for unsigned integers with round toward zero. |
| FCTIWUZ | |
| VEXTS | VEXTS, ByteWidth - takes an input in VSFRC and produces an output in VSFRC that is sign-extended from ByteWidth to a 64-byte integer. |
| FRE | Reciprocal estimate instructions (unary FP ops). |
| FRSQRTE | |
| FTSQRT | Test instruction for software square root. |
| FSQRT | Square root instruction. |
| VPERM | VPERM - The PPC VPERM Instruction. |
| XXSPLT | XXSPLT - The PPC VSX splat instructions. |
| XXSPLTI_SP_TO_DP | XXSPLTI_SP_TO_DP - The PPC VSX splat instructions for immediates for converting immediate single precision numbers to double precision vector or scalar. |
| XXSPLTI32DX | XXSPLTI32DX - The PPC XXSPLTI32DX instruction. |
| VECINSERT | VECINSERT - The PPC vector insert instruction. |
| VECSHL | VECSHL - The PPC vector shift left instruction. |
| XXPERMDI | XXPERMDI - The PPC XXPERMDI instruction. |
| XXPERM | |
| CMPB | The CMPB instruction (takes two operands of i32 or i64). |
| Hi | Hi/Lo - These represent the high and low 16-bit parts of a global address respectively. These nodes have two operands, the first of which must be a TargetGlobalAddress, and the second of which must be a Constant. Selected naively, these turn into 'lis G+C' and 'li G+C', though these are usually folded into other nodes. |
| Lo | |
| DYNALLOC | The following two target-specific nodes are used for calls through function pointers in the 64-bit SVR4 ABI. OPRC, CHAIN = DYNALLOC(CHAIN, NEGSIZE, FRAME_INDEX) This instruction is lowered in PPCRegisterInfo::eliminateFrameIndex to compute an allocation on the stack. |
| DYNAREAOFFSET | This instruction is lowered in PPCRegisterInfo::eliminateFrameIndex to compute an offset from native SP to the address of the most recent dynamic alloca. |
| PROBED_ALLOCA | To avoid stack clash, allocation is performed by block and each block is probed. |
| GlobalBaseReg | The result of the mflr at function entry, used for PIC code. |
| SRL | These nodes represent PPC shifts. For scalar types, only the last `n + 1` bits of the shift amounts are used, where n is log2(sizeof(element) * 8). See sld/slw, etc. for exact behaviors. For vector types, only the last n bits are used. See vsld. |
| SRA | |
| SHL | |
| FNMSUB | FNMSUB - Negated multiply-subtract instruction. |
| EXTSWSLI | EXTSWSLI = The PPC extswsli instruction, which does an extend-sign word and shift left immediate. |
| SRA_ADDZE | The combination of sra[wd]i and addze used to implemented signed integer division by a power of 2. The first operand is the dividend, and the second is the constant shift amount (representing the divisor). |
| CALL | CALL - A direct function call. CALL_NOP is a call with the special NOP which follows 64-bit CALL_NOTOC the caller does not use the TOC. SVR4 calls and 32-bit/64-bit AIX calls. |
| CALL_NOP | |
| CALL_NOTOC | |
| MTCTR | CHAIN,FLAG = MTCTR(VAL, CHAIN[, INFLAG]) - Directly corresponds to a MTCTR instruction. |
| BCTRL | CHAIN,FLAG = BCTRL(CHAIN, INFLAG) - Directly corresponds to a BCTRL instruction. |
| BCTRL_LOAD_TOC | CHAIN,FLAG = BCTRL(CHAIN, ADDR, INFLAG) - The combination of a bctrl instruction and the TOC reload required on 64-bit ELF, 32-bit AIX and 64-bit AIX. |
| CALL_RM | The variants that implicitly define rounding mode for calls with strictfp semantics. |
| CALL_NOP_RM | |
| CALL_NOTOC_RM | |
| BCTRL_RM | |
| BCTRL_LOAD_TOC_RM | |
| RET_GLUE | Return with a glue operand, matched by 'blr'. |
| MFOCRF | R32 = MFOCRF(CRREG, INFLAG) - Represents the MFOCRF instruction. This copies the bits corresponding to the specified CRREG into the resultant GPR. Bits corresponding to other CR regs are undefined. |
| MFVSR | Direct move from a VSX register to a GPR. |
| MTVSRA | Direct move from a GPR to a VSX register (algebraic) |
| MTVSRZ | Direct move from a GPR to a VSX register (zero) |
| BUILD_FP128 | Direct move of 2 consecutive GPR to a VSX register. |
| BUILD_SPE64 | BUILD_SPE64 and EXTRACT_SPE are analogous to BUILD_PAIR and EXTRACT_ELEMENT but take f64 arguments instead of i64, as i64 is unsupported for this target. Merge 2 GPRs to a single SPE register. |
| EXTRACT_SPE | Extract SPE register component, second argument is high or low. |
| SINT_VEC_TO_FP | Extract a subvector from signed integer vector and convert to FP. It is primarily used to convert a (widened) illegal integer vector type to a legal floating point vector type. For example v2i32 -> widened to v4i32 -> v2f64 |
| UINT_VEC_TO_FP | Extract a subvector from unsigned integer vector and convert to FP. As with SINT_VEC_TO_FP, used for converting illegal types. |
| SCALAR_TO_VECTOR_PERMUTED | PowerPC instructions that have SCALAR_TO_VECTOR semantics tend to place the value into the least significant element of the most significant doubleword in the vector. This is not element zero for anything smaller than a doubleword on either endianness. This node has the same semantics as SCALAR_TO_VECTOR except that the value remains in the aforementioned location in the vector register. |
| ANDI_rec_1_EQ_BIT | i1 = ANDI_rec_1_[EQ|GT]_BIT(i32 or i64 x) - Represents the result of the eq or gt bit of CR0 after executing andi. x, 1. This is used to implement truncation of i32 or i64 to i1. |
| ANDI_rec_1_GT_BIT | |
| READ_TIME_BASE | |
| EH_SJLJ_SETJMP | |
| EH_SJLJ_LONGJMP | |
| VCMP | RESVEC = VCMP(LHS, RHS, OPC) - Represents one of the altivec VCMP* instructions. For lack of better number, we use the opcode number encoding for the OPC field to identify the compare. For example, 838 is VCMPGTSH. |
| VCMP_rec | RESVEC, OUTFLAG = VCMP_rec(LHS, RHS, OPC) - Represents one of the altivec VCMP*_rec instructions. For lack of better number, we use the opcode number encoding for the OPC field to identify the compare. For example, 838 is VCMPGTSH. |
| COND_BRANCH | CHAIN = COND_BRANCH CHAIN, CRRC, OPC, DESTBB [, INFLAG] - This corresponds to the COND_BRANCH pseudo instruction. CRRC is the condition register to branch on, OPC is the branch opcode to use (e.g. PPC::BLE), DESTBB is the destination block to branch to, and INFLAG is an optional input flag argument. |
| BDNZ | CHAIN = BDNZ CHAIN, DESTBB - These are used to create counter-based loops. |
| BDZ | |
| FADDRTZ | F8RC = FADDRTZ F8RC, F8RC - This is an FADD done with rounding towards zero. Used only as part of the long double-to-int conversion sequence. |
| MFFS | F8RC = MFFS - This moves the FPSCR (not modeled) into the register. |
| TC_RETURN | TC_RETURN - A tail call return. operand #0 chain operand #1 callee (register or absolute) operand #2 stack adjustment operand #3 optional in flag |
| CR6SET | ch, gl = CR6[UN]SET ch, inglue - Toggle CR bit 6 for SVR4 vararg calls |
| CR6UNSET | |
| PPC32_GOT | GPRC = address of GLOBAL_OFFSET_TABLE. Used by initial-exec TLS for non-position independent code on PPC32. |
| PPC32_PICGOT | GPRC = address of GLOBAL_OFFSET_TABLE. Used by general dynamic and local dynamic TLS and position indendepent code on PPC32. |
| ADDIS_GOT_TPREL_HA | G8RC = ADDIS_GOT_TPREL_HA x2, Symbol - Used by the initial-exec TLS model, produces an ADDIS8 instruction that adds the GOT base to sym@got@tprel@ha. |
| LD_GOT_TPREL_L | G8RC = LD_GOT_TPREL_L Symbol, G8RReg - Used by the initial-exec TLS model, produces a LD instruction with base register G8RReg and offset sym@got@tprel@l. This completes the addition that finds the offset of "sym" relative to the thread pointer. |
| ADD_TLS | G8RC = ADD_TLS G8RReg, Symbol - Can be used by the initial-exec and local-exec TLS models, produces an ADD instruction that adds the contents of G8RReg to the thread pointer. Symbol contains a relocation sym@tls which is to be replaced by the thread pointer and identifies to the linker that the instruction is part of a TLS sequence. |
| ADDIS_TLSGD_HA | G8RC = ADDIS_TLSGD_HA x2, Symbol - For the general-dynamic TLS model, produces an ADDIS8 instruction that adds the GOT base register to sym@got@tlsgd@ha. |
| ADDI_TLSGD_L | x3 = ADDI_TLSGD_L G8RReg, Symbol - For the general-dynamic TLS model, produces an ADDI8 instruction that adds G8RReg to sym@got@tlsgd@l and stores the result in X3. Hidden by ADDIS_TLSGD_L_ADDR until after register assignment. |
| GET_TLS_ADDR | x3 = GET_TLS_ADDR x3, Symbol - For the general-dynamic TLS model, produces a call to __tls_get_addr(sym@tlsgd). Hidden by ADDIS_TLSGD_L_ADDR until after register assignment. |
| GET_TPOINTER | x3 = GET_TPOINTER - Used for the local- and initial-exec TLS model on 32-bit AIX, produces a call to .__get_tpointer to retrieve the thread pointer. At the end of the call, the thread pointer is found in R3. |
| ADDI_TLSGD_L_ADDR | G8RC = ADDI_TLSGD_L_ADDR G8RReg, Symbol, Symbol - Op that combines ADDI_TLSGD_L and GET_TLS_ADDR until expansion following register assignment. |
| TLSGD_AIX | GPRC = TLSGD_AIX, TOC_ENTRY, TOC_ENTRY G8RC = TLSGD_AIX, TOC_ENTRY, TOC_ENTRY Op that combines two register copies of TOC entries (region handle into R3 and variable offset into R4) followed by a GET_TLS_ADDR node which will be expanded to a call to .__tls_get_addr. This node is used in 64-bit mode as well (in which case the result is G8RC and inputs are X3/X4). |
| GET_TLS_MOD_AIX | x3 = GET_TLS_MOD_AIX _$TLSML - For the AIX local-dynamic TLS model, produces a call to .__tls_get_mod(_$TLSML@ml). |
| TLSLD_AIX | [GP|G8]RC = TLSLD_AIX, TOC_ENTRY(module handle) Op that requires a single input of the module handle TOC entry in R3, and generates a GET_TLS_MOD_AIX node which will be expanded into a call to .__tls_get_mod. This node is used in both 32-bit and 64-bit modes. The only difference is the register class. |
| ADDIS_TLSLD_HA | G8RC = ADDIS_TLSLD_HA x2, Symbol - For the local-dynamic TLS model, produces an ADDIS8 instruction that adds the GOT base register to sym@got@tlsld@ha. |
| ADDI_TLSLD_L | x3 = ADDI_TLSLD_L G8RReg, Symbol - For the local-dynamic TLS model, produces an ADDI8 instruction that adds G8RReg to sym@got@tlsld@l and stores the result in X3. Hidden by ADDIS_TLSLD_L_ADDR until after register assignment. |
| GET_TLSLD_ADDR | x3 = GET_TLSLD_ADDR x3, Symbol - For the local-dynamic TLS model, produces a call to __tls_get_addr(sym@tlsld). Hidden by ADDIS_TLSLD_L_ADDR until after register assignment. |
| ADDI_TLSLD_L_ADDR | G8RC = ADDI_TLSLD_L_ADDR G8RReg, Symbol, Symbol - Op that combines ADDI_TLSLD_L and GET_TLSLD_ADDR until expansion following register assignment. |
| ADDIS_DTPREL_HA | G8RC = ADDIS_DTPREL_HA x3, Symbol - For the local-dynamic TLS model, produces an ADDIS8 instruction that adds X3 to sym@dtprel@ha. |
| ADDI_DTPREL_L | G8RC = ADDI_DTPREL_L G8RReg, Symbol - For the local-dynamic TLS model, produces an ADDI8 instruction that adds G8RReg to sym@got@dtprel@l. |
| PADDI_DTPREL | G8RC = PADDI_DTPREL x3, Symbol - For the pc-rel based local-dynamic TLS model, produces a PADDI8 instruction that adds X3 to sym@dtprel. |
| VADD_SPLAT | VRRC = VADD_SPLAT Elt, EltSize - Temporary node to be expanded during instruction selection to optimize a BUILD_VECTOR into operations on splats. This is necessary to avoid losing these optimizations due to constant folding. |
| SC | CHAIN = SC CHAIN, Imm128 - System call. The 7-bit unsigned operand identifies the operating system entry point. |
| CLRBHRB | CHAIN = CLRBHRB CHAIN - Clear branch history rolling buffer. |
| MFBHRBE | GPRC, CHAIN = MFBHRBE CHAIN, Entry, Dummy - Move from branch history rolling buffer entry. |
| RFEBB | CHAIN = RFEBB CHAIN, State - Return from event-based branch. |
| XXSWAPD | VSRC, CHAIN = XXSWAPD CHAIN, VSRC - Occurs only for little endian. Maps to an xxswapd instruction that corrects an lxvd2x or stxvd2x instruction. The chain is necessary because the sequence replaces a load and needs to provide the same number of outputs. |
| SWAP_NO_CHAIN | An SDNode for swaps that are not associated with any loads/stores and thereby have no chain. |
| FP_EXTEND_HALF | FP_EXTEND_HALF(VECTOR, IDX) - Custom extend upper (IDX=0) half or lower (IDX=1) half of v4f32 to v2f64. |
| MAT_PCREL_ADDR | MAT_PCREL_ADDR = Materialize a PC Relative address. This can be done either through an add like PADDI or through a PC Relative load like PLD. |
| TLS_DYNAMIC_MAT_PCREL_ADDR | TLS_DYNAMIC_MAT_PCREL_ADDR = Materialize a PC Relative address for TLS global address when using dynamic access models. This can be done through an add like PADDI. |
| TLS_LOCAL_EXEC_MAT_ADDR | TLS_LOCAL_EXEC_MAT_ADDR = Materialize an address for TLS global address when using local exec access models, and when prefixed instructions are available. This is used with ADD_TLS to produce an add like PADDI. |
| ACC_BUILD | ACC_BUILD = Build an accumulator register from 4 VSX registers. |
| PAIR_BUILD | PAIR_BUILD = Build a vector pair register from 2 VSX registers. |
| EXTRACT_VSX_REG | EXTRACT_VSX_REG = Extract one of the underlying vsx registers of an accumulator or pair register. This node is needed because EXTRACT_SUBVECTOR expects the input and output vectors to have the same element type. |
| XXMFACC | XXMFACC = This corresponds to the xxmfacc instruction. |
| STRICT_FCTIDZ | |
| STRICT_FCTIWZ | |
| STRICT_FCTIDUZ | |
| STRICT_FCTIWUZ | |
| STRICT_FCFID | Constrained integer-to-floating-point conversion instructions. |
| STRICT_FCFIDU | |
| STRICT_FCFIDS | |
| STRICT_FCFIDUS | |
| STRICT_FADDRTZ | Constrained floating point add in round-to-zero mode. |
| SETBC | SETBC - The ISA 3.1 (P10) SETBC instruction. |
| SETBCR | SETBCR - The ISA 3.1 (P10) SETBCR instruction. |
| STBRX | CHAIN = STBRX CHAIN, GPRC, Ptr, Type - This is a byte-swapping store instruction. It byte-swaps the low "Type" bits of the GPRC input, then stores it through Ptr. Type can be either i16 or i32. |
| LBRX | GPRC, CHAIN = LBRX CHAIN, Ptr, Type - This is a byte-swapping load instruction. It loads "Type" bits, byte swaps it, then puts it in the bottom bits of the GPRC. TYPE can be either i16 or i32. |
| STFIWX | STFIWX - The STFIWX instruction. The first operand is an input token chain, then an f64 value to store, then an address to store it to. |
| LFIWAX | GPRC, CHAIN = LFIWAX CHAIN, Ptr - This is a floating-point load which sign-extends from a 32-bit integer value into the destination 64-bit register. |
| LFIWZX | GPRC, CHAIN = LFIWZX CHAIN, Ptr - This is a floating-point load which zero-extends from a 32-bit integer value into the destination 64-bit register. |
| LXSIZX | GPRC, CHAIN = LXSIZX, CHAIN, Ptr, ByteWidth - This is a load of an integer smaller than 64 bits into a VSR. The integer is zero-extended. This can be used for converting loaded integers to floating point. |
| STXSIX | STXSIX - The STXSI[bh]X instruction. The first operand is an input chain, then an f64 value to store, then an address to store it to, followed by a byte-width for the store. |
| LXVD2X | VSRC, CHAIN = LXVD2X_LE CHAIN, Ptr - Occurs only for little endian. Maps directly to an lxvd2x instruction that will be followed by an xxswapd. |
| LXVRZX | LXVRZX - Load VSX Vector Rightmost and Zero Extend This node represents v1i128 BUILD_VECTOR of a zero extending load instruction from <byte, halfword, word, or doubleword> to i128. Allows utilization of the Load VSX Vector Rightmost Instructions. |
| LOAD_VEC_BE | VSRC, CHAIN = LOAD_VEC_BE CHAIN, Ptr - Occurs only for little endian. Maps directly to one of lxvd2x/lxvw4x/lxvh8x/lxvb16x depending on the vector type to load vector in big-endian element order. |
| LD_VSX_LH | VSRC, CHAIN = LD_VSX_LH CHAIN, Ptr - This is a floating-point load of a v2f32 value into the lower half of a VSR register. |
| LD_SPLAT | VSRC, CHAIN = LD_SPLAT, CHAIN, Ptr - a splatting load memory instructions such as LXVDSX, LXVWSX. |
| ZEXT_LD_SPLAT | VSRC, CHAIN = ZEXT_LD_SPLAT, CHAIN, Ptr - a splatting load memory that zero-extends. |
| SEXT_LD_SPLAT | VSRC, CHAIN = SEXT_LD_SPLAT, CHAIN, Ptr - a splatting load memory that sign-extends. |
| STXVD2X | CHAIN = STXVD2X CHAIN, VSRC, Ptr - Occurs only for little endian. Maps directly to an stxvd2x instruction that will be preceded by an xxswapd. |
| STORE_VEC_BE | CHAIN = STORE_VEC_BE CHAIN, VSRC, Ptr - Occurs only for little endian. Maps directly to one of stxvd2x/stxvw4x/stxvh8x/stxvb16x depending on the vector type to store vector in big-endian element order. |
| ST_VSR_SCAL_INT | Store scalar integers from VSR. |
| ATOMIC_CMP_SWAP_8 | ATOMIC_CMP_SWAP - the exact same as the target-independent nodes except they ensure that the compare input is zero-extended for sub-word versions because the atomic loads zero-extend. |
| ATOMIC_CMP_SWAP_16 | |
| STORE_COND | CHAIN,Glue = STORE_COND CHAIN, GPR, Ptr The store conditional instruction ST[BHWD]ARX that produces a glue result to attach it to a conditional branch. |
| TOC_ENTRY | GPRC = TOC_ENTRY GA, TOC Loads the entry for GA from the TOC, where the TOC base is given by the last operand. |
Definition at line 47 of file PPCISelLowering.h.
1.9.6