gcc/config/arm/unspecs.md

;; This file is part of GCC.

;; GCC is free software; you can redistribute it and/or modify it ;; under the terms of the GNU General Public License as published ;; by the Free Software Foundation; either version 3, or (at your ;; option) any later version.

;; GCC is distributed in the hope that it will be useful, but WITHOUT ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public ;; License for more details.

;; You should have received a copy of the GNU General Public License ;; along with GCC; see the file COPYING3. If not see ;; http://www.gnu.org/licenses/.

;; UNSPEC Usage: ;; Note: sin and cos are no-longer used. ;; Unspec enumerators for Neon are defined in neon.md. ;; Unspec enumerators for iwmmxt2 are defined in iwmmxt2.md

(define_c_enum “unspec” [ UNSPEC_PUSH_MULT ; `push multiple' operation: ; operand 0 is the first register, ; subsequent registers are in parallel (use ...) ; expressions. UNSPEC_PIC_SYM ; A symbol that has been treated properly for pic ; usage, that is, we will add the pic_register ; value to it before trying to dereference it. UNSPEC_PIC_BASE ; Add PC and all but the last operand together, ; The last operand is the number of a PIC_LABEL ; that points at the containing instruction. UNSPEC_PRLG_STK ; A special barrier that prevents frame accesses ; being scheduled before the stack adjustment insn. UNSPEC_REGISTER_USE ; As USE insns are not meaningful after reload, ; this unspec is used to prevent the deletion of ; instructions setting registers for EH handling ; and stack frame generation. Operand 0 is the ; register to “use”. UNSPEC_CHECK_ARCH ; Set CCs to indicate 26-bit or 32-bit mode. UNSPEC_WSHUFH ; Used by the intrinsic form of the iWMMXt WSHUFH instruction. UNSPEC_WACC ; Used by the intrinsic form of the iWMMXt WACC instruction. UNSPEC_TMOVMSK ; Used by the intrinsic form of the iWMMXt TMOVMSK instruction. UNSPEC_WSAD ; Used by the intrinsic form of the iWMMXt WSAD instruction. UNSPEC_WSADZ ; Used by the intrinsic form of the iWMMXt WSADZ instruction. UNSPEC_WMACS ; Used by the intrinsic form of the iWMMXt WMACS instruction. UNSPEC_WMACU ; Used by the intrinsic form of the iWMMXt WMACU instruction. UNSPEC_WMACSZ ; Used by the intrinsic form of the iWMMXt WMACSZ instruction. UNSPEC_WMACUZ ; Used by the intrinsic form of the iWMMXt WMACUZ instruction. UNSPEC_CLRDI ; Used by the intrinsic form of the iWMMXt CLRDI instruction. UNSPEC_WALIGNI ; Used by the intrinsic form of the iWMMXt WALIGN instruction. UNSPEC_TLS ; A symbol that has been treated properly for TLS usage. UNSPEC_PIC_LABEL ; A label used for PIC access that does not appear in the ; instruction stream. UNSPEC_PIC_OFFSET ; A symbolic 12-bit OFFSET that has been treated ; correctly for PIC usage. UNSPEC_GOTSYM_OFF ; The offset of the start of the GOT from a ; a given symbolic address. UNSPEC_THUMB1_CASESI ; A Thumb1 compressed dispatch-table call. UNSPEC_RBIT ; rbit operation. UNSPEC_SYMBOL_OFFSET ; The offset of the start of the symbol from ; another symbolic address. UNSPEC_MEMORY_BARRIER ; Represent a memory barrier. UNSPEC_UNALIGNED_LOAD ; Used to represent ldr/ldrh instructions that access ; unaligned locations, on architectures which support ; that. UNSPEC_UNALIGNED_STORE ; Same for str/strh. UNSPEC_PIC_UNIFIED ; Create a common pic addressing form. UNSPEC_Q_SET ; Represent setting the Q bit. UNSPEC_GE_SET ; Represent setting the GE bits. UNSPEC_APSR_READ ; Represent reading the APSR.

UNSPEC_LL ; Represent an unpaired load-register-exclusive. UNSPEC_VRINTZ ; Represent a float to integral float rounding ; towards zero. UNSPEC_VRINTP ; Represent a float to integral float rounding ; towards +Inf. UNSPEC_VRINTM ; Represent a float to integral float rounding ; towards -Inf. UNSPEC_VRINTR ; Represent a float to integral float rounding ; FPSCR rounding mode. UNSPEC_VRINTX ; Represent a float to integral float rounding ; FPSCR rounding mode and signal inexactness. UNSPEC_VRINTA ; Represent a float to integral float rounding ; towards nearest, ties away from zero. UNSPEC_PROBE_STACK ; Probe stack memory reference UNSPEC_NONSECURE_MEM ; Represent non-secure memory in ARMv8-M with ; security extension UNSPEC_SP_SET ; Represent the setting of stack protector‘s canary UNSPEC_SP_TEST ; Represent the testing of stack protector’s canary ; against the guard. UNSPEC_PIC_RESTORE ; Use to restore fdpic register

UNSPEC_SXTAB16 ; Represent the SXTAB16 operation. UNSPEC_UXTAB16 ; Represent the UXTAB16 operation. UNSPEC_SXTB16 ; Represent the SXTB16 operation. UNSPEC_UXTB16 ; Represent the UXTB16 operation. UNSPEC_QADD8 ; Represent the QADD8 operation. UNSPEC_QSUB8 ; Represent the QSUB8 operation. UNSPEC_SHADD8 ; Represent the SHADD8 operation. UNSPEC_SHSUB8 ; Represent the SHSUB8 operation. UNSPEC_UHADD8 ; Represent the UHADD8 operation. UNSPEC_UHSUB8 ; Represent the UHSUB8 operation. UNSPEC_UQADD8 ; Represent the UQADD8 operation. UNSPEC_UQSUB8 ; Represent the UQSUB8 operation. UNSPEC_QADD16 ; Represent the QADD16 operation. UNSPEC_QASX ; Represent the QASX operation. UNSPEC_QSAX ; Represent the QSAX operation. UNSPEC_QSUB16 ; Represent the QSUB16 operation. UNSPEC_SHADD16 ; Represent the SHADD16 operation. UNSPEC_SHASX ; Represent the SHASX operation. UNSPEC_SHSAX ; Represent the SSAX operation. UNSPEC_SHSUB16 ; Represent the SHSUB16 operation. UNSPEC_UHADD16 ; Represent the UHADD16 operation. UNSPEC_UHASX ; Represent the UHASX operation. UNSPEC_UHSAX ; Represent the USAX operation. UNSPEC_UHSUB16 ; Represent the UHSUB16 operation. UNSPEC_UQADD16 ; Represent the UQADD16 operation. UNSPEC_UQASX ; Represent the UQASX operation. UNSPEC_UQSAX ; Represent the UQSAX operation. UNSPEC_UQSUB16 ; Represent the UQSUB16 operation. UNSPEC_SMUSD ; Represent the SMUSD operation. UNSPEC_SMUSDX ; Represent the SMUSDX operation. UNSPEC_USAD8 ; Represent the USAD8 operation. UNSPEC_USADA8 ; Represent the USADA8 operation. UNSPEC_SMLALD ; Represent the SMLALD operation. UNSPEC_SMLALDX ; Represent the SMLALDX operation. UNSPEC_SMLSLD ; Represent the SMLSLD operation. UNSPEC_SMLSLDX ; Represent the SMLSLDX operation. UNSPEC_SMLAWB ; Represent the SMLAWB operation. UNSPEC_SMLAWT ; Represent the SMLAWT operation. UNSPEC_SEL ; Represent the SEL operation. UNSPEC_SADD8 ; Represent the SADD8 operation. UNSPEC_SSUB8 ; Represent the SSUB8 operation. UNSPEC_UADD8 ; Represent the UADD8 operation. UNSPEC_USUB8 ; Represent the USUB8 operation. UNSPEC_SADD16 ; Represent the SADD16 operation. UNSPEC_SASX ; Represent the SASX operation. UNSPEC_SSAX ; Represent the SSAX operation. UNSPEC_SSUB16 ; Represent the SSUB16 operation. UNSPEC_UADD16 ; Represent the UADD16 operation. UNSPEC_UASX ; Represent the UASX operation. UNSPEC_USAX ; Represent the USAX operation. UNSPEC_USUB16 ; Represent the USUB16 operation. UNSPEC_SMLAD ; Represent the SMLAD operation. UNSPEC_SMLADX ; Represent the SMLADX operation. UNSPEC_SMLSD ; Represent the SMLSD operation. UNSPEC_SMLSDX ; Represent the SMLSDX operation. UNSPEC_SMUAD ; Represent the SMUAD operation. UNSPEC_SMUADX ; Represent the SMUADX operation. UNSPEC_SSAT16 ; Represent the SSAT16 operation. UNSPEC_USAT16 ; Represent the USAT16 operation. UNSPEC_CDE ; Custom Datapath Extension instruction. UNSPEC_CDEA ; Custom Datapath Extension instruction. UNSPEC_VCDE ; Custom Datapath Extension instruction. UNSPEC_VCDEA ; Custom Datapath Extension instruction. UNSPEC_DLS ; Used for DLS (Do Loop Start), Armv8.1-M Mainline instruction ])

(define_c_enum “unspec” [ UNSPEC_WADDC ; Used by the intrinsic form of the iWMMXt WADDC instruction. UNSPEC_WABS ; Used by the intrinsic form of the iWMMXt WABS instruction. UNSPEC_WQMULWMR ; Used by the intrinsic form of the iWMMXt WQMULWMR instruction. UNSPEC_WQMULMR ; Used by the intrinsic form of the iWMMXt WQMULMR instruction. UNSPEC_WQMULWM ; Used by the intrinsic form of the iWMMXt WQMULWM instruction. UNSPEC_WQMULM ; Used by the intrinsic form of the iWMMXt WQMULM instruction. UNSPEC_WQMIAxyn ; Used by the intrinsic form of the iWMMXt WMIAxyn instruction. UNSPEC_WQMIAxy ; Used by the intrinsic form of the iWMMXt WMIAxy instruction. UNSPEC_TANDC ; Used by the intrinsic form of the iWMMXt TANDC instruction. UNSPEC_TORC ; Used by the intrinsic form of the iWMMXt TORC instruction. UNSPEC_TORVSC ; Used by the intrinsic form of the iWMMXt TORVSC instruction. UNSPEC_TEXTRC ; Used by the intrinsic form of the iWMMXt TEXTRC instruction. UNSPEC_GET_FPSCR_NZCVQC ; Represent fetch of FPSCR_nzcvqc content. ])

;; UNSPEC_VOLATILE Usage:

(define_c_enum “unspecv” [ VUNSPEC_BLOCKAGE ; blockage' insn to prevent scheduling across an ; insn in the code. VUNSPEC_EPILOGUE ; epilogue' insn, used to represent any part of the ; instruction epilogue sequence that isn‘t expanded ; into normal RTL. Used for both normal and sibcall ; epilogues. VUNSPEC_THUMB1_INTERWORK ; prologue_thumb1_interwork' insn, used to swap ; modes from arm to thumb. VUNSPEC_ALIGN ; align’ insn. Used at the head of a minipool table ; for inlined constants. VUNSPEC_POOL_END ; end-of-table'. Used to mark the end of a minipool ; table. VUNSPEC_POOL_1 ; pool-entry(1)‘. An entry in the constant pool for ; an 8-bit object. VUNSPEC_POOL_2 ; pool-entry(2)'. An entry in the constant pool for ; a 16-bit object. VUNSPEC_POOL_4 ; pool-entry(4)’. An entry in the constant pool for ; a 32-bit object. VUNSPEC_POOL_8 ; pool-entry(8)'. An entry in the constant pool for ; a 64-bit object. VUNSPEC_POOL_16 ; pool-entry(16)'. An entry in the constant pool for ; a 128-bit object. VUNSPEC_TMRC ; Used by the iWMMXt TMRC instruction. VUNSPEC_TMCR ; Used by the iWMMXt TMCR instruction. VUNSPEC_ALIGN8 ; 8-byte alignment version of VUNSPEC_ALIGN VUNSPEC_WCMP_EQ ; Used by the iWMMXt WCMPEQ instructions VUNSPEC_WCMP_GTU ; Used by the iWMMXt WCMPGTU instructions VUNSPEC_WCMP_GT ; Used by the iwMMXT WCMPGT instructions VUNSPEC_EH_RETURN ; Use to override the return address for exception ; handling. VUNSPEC_ATOMIC_CAS ; Represent an atomic compare swap. VUNSPEC_ATOMIC_XCHG ; Represent an atomic exchange. VUNSPEC_ATOMIC_OP ; Represent an atomic operation. VUNSPEC_LL ; Represent a load-register-exclusive. VUNSPEC_LDRD_ATOMIC ; Represent an LDRD used as an atomic DImode load. VUNSPEC_SC ; Represent a store-register-exclusive. VUNSPEC_LAX ; Represent a load-register-acquire-exclusive. VUNSPEC_SLX ; Represent a store-register-release-exclusive. VUNSPEC_LDA ; Represent a store-register-acquire. VUNSPEC_STL ; Represent a store-register-release. VUNSPEC_GET_FPSCR ; Represent fetch of FPSCR content. VUNSPEC_SET_FPSCR ; Represent assign of FPSCR content. VUNSPEC_SET_FPSCR_NZCVQC ; Represent assign of FPSCR_nzcvqc content. VUNSPEC_PROBE_STACK_RANGE ; Represent stack range probing. VUNSPEC_CDP ; Represent the coprocessor cdp instruction. VUNSPEC_CDP2 ; Represent the coprocessor cdp2 instruction. VUNSPEC_LDC ; Represent the coprocessor ldc instruction. VUNSPEC_LDC2 ; Represent the coprocessor ldc2 instruction. VUNSPEC_LDCL ; Represent the coprocessor ldcl instruction. VUNSPEC_LDC2L ; Represent the coprocessor ldc2l instruction. VUNSPEC_STC ; Represent the coprocessor stc instruction. VUNSPEC_STC2 ; Represent the coprocessor stc2 instruction. VUNSPEC_STCL ; Represent the coprocessor stcl instruction. VUNSPEC_STC2L ; Represent the coprocessor stc2l instruction. VUNSPEC_MCR ; Represent the coprocessor mcr instruction. VUNSPEC_MCR2 ; Represent the coprocessor mcr2 instruction. VUNSPEC_MRC ; Represent the coprocessor mrc instruction. VUNSPEC_MRC2 ; Represent the coprocessor mrc2 instruction. VUNSPEC_MCRR ; Represent the coprocessor mcrr instruction. VUNSPEC_MCRR2 ; Represent the coprocessor mcrr2 instruction. VUNSPEC_MRRC ; Represent the coprocessor mrrc instruction. VUNSPEC_MRRC2 ; Represent the coprocessor mrrc2 instruction. VUNSPEC_SPECULATION_BARRIER ; Represents an unconditional speculation barrier. VUNSPEC_APSR_WRITE ; Represent writing the APSR. VUNSPEC_VSTR_VLDR ; Represent the vstr/vldr instruction. VUNSPEC_CLRM_APSR ; Represent the clearing of APSR with clrm instruction. VUNSPEC_VSCCLRM_VPR ; Represent the clearing of VPR with vscclrm ; instruction. VUNSPEC_VLSTM ; Represent the lazy store multiple with vlstm ; instruction. VUNSPEC_VLLDM ; Represent the lazy load multiple with vlldm ; instruction. ])

;; Enumerators for NEON unspecs. (define_c_enum “unspec” [ UNSPEC_ASHIFT_SIGNED UNSPEC_ASHIFT_UNSIGNED UNSPEC_CRC32B UNSPEC_CRC32H UNSPEC_CRC32W UNSPEC_CRC32CB UNSPEC_CRC32CH UNSPEC_CRC32CW UNSPEC_AESD UNSPEC_AESE UNSPEC_AESIMC UNSPEC_AESMC UNSPEC_SHA1C UNSPEC_SHA1M UNSPEC_SHA1P UNSPEC_SHA1H UNSPEC_SHA1SU0 UNSPEC_SHA1SU1 UNSPEC_SHA256H UNSPEC_SHA256H2 UNSPEC_SHA256SU0 UNSPEC_SHA256SU1 UNSPEC_VMULLP64 UNSPEC_LOAD_COUNT UNSPEC_VABAL_S UNSPEC_VABAL_U UNSPEC_VABD_F UNSPEC_VABD_S UNSPEC_VABD_U UNSPEC_VABDL_S UNSPEC_VABDL_U UNSPEC_VADD UNSPEC_VADDHN UNSPEC_VRADDHN UNSPEC_VADDL_S UNSPEC_VADDL_U UNSPEC_VADDW_S UNSPEC_VADDW_U UNSPEC_VBSL UNSPEC_VCAGE UNSPEC_VCAGT UNSPEC_VCALE UNSPEC_VCALT UNSPEC_VCEQ UNSPEC_VCGE UNSPEC_VCGEU UNSPEC_VCGT UNSPEC_VCGTU UNSPEC_VCLS UNSPEC_VCONCAT UNSPEC_VCVT UNSPEC_VCVT_S UNSPEC_VCVT_U UNSPEC_VCVT_S_N UNSPEC_VCVT_U_N UNSPEC_VCVT_HF_S_N UNSPEC_VCVT_HF_U_N UNSPEC_VCVT_SI_S_N UNSPEC_VCVT_SI_U_N UNSPEC_VCVTH_S UNSPEC_VCVTH_U UNSPEC_VCVTA_S UNSPEC_VCVTA_U UNSPEC_VCVTM_S UNSPEC_VCVTM_U UNSPEC_VCVTN_S UNSPEC_VCVTN_U UNSPEC_VCVTP_S UNSPEC_VCVTP_U UNSPEC_VEXT UNSPEC_VHADD_S UNSPEC_VHADD_U UNSPEC_VRHADD_S UNSPEC_VRHADD_U UNSPEC_VHSUB_S UNSPEC_VHSUB_U UNSPEC_VLD1 UNSPEC_VLD1_LANE UNSPEC_VLD2 UNSPEC_VLD2_DUP UNSPEC_VLD2_LANE UNSPEC_VLD3 UNSPEC_VLD3A UNSPEC_VLD3B UNSPEC_VLD3_DUP UNSPEC_VLD3_LANE UNSPEC_VLD4 UNSPEC_VLD4A UNSPEC_VLD4B UNSPEC_VLD4_DUP UNSPEC_VLD4_LANE UNSPEC_VMAX UNSPEC_VMAX_U UNSPEC_VMAXNM UNSPEC_VMIN UNSPEC_VMIN_U UNSPEC_VMINNM UNSPEC_VMLA UNSPEC_VMLA_LANE UNSPEC_VMLAL_S UNSPEC_VMLAL_U UNSPEC_VMLAL_S_LANE UNSPEC_VMLAL_U_LANE UNSPEC_VMLS UNSPEC_VMLS_LANE UNSPEC_VMLSL_S UNSPEC_VMLSL_U UNSPEC_VMLSL_S_LANE UNSPEC_VMLSL_U_LANE UNSPEC_VMLSL_LANE UNSPEC_VFMA_LANE UNSPEC_VFMS_LANE UNSPEC_VMOVL_S UNSPEC_VMOVL_U UNSPEC_VMOVN UNSPEC_VMUL UNSPEC_VMULL_P UNSPEC_VMULL_S UNSPEC_VMULL_U UNSPEC_VMUL_LANE UNSPEC_VMULL_S_LANE UNSPEC_VMULL_U_LANE UNSPEC_VPADAL_S UNSPEC_VPADAL_U UNSPEC_VPADD UNSPEC_VPADDL_S UNSPEC_VPADDL_U UNSPEC_VPMAX UNSPEC_VPMAX_U UNSPEC_VPMIN UNSPEC_VPMIN_U UNSPEC_VPSMAX UNSPEC_VPSMIN UNSPEC_VPUMAX UNSPEC_VPUMIN UNSPEC_VQABS UNSPEC_VQADD_S UNSPEC_VQADD_U UNSPEC_VQDMLAL UNSPEC_VQDMLAL_LANE UNSPEC_VQDMLSL UNSPEC_VQDMLSL_LANE UNSPEC_VQDMULH UNSPEC_VQDMULH_LANE UNSPEC_VQRDMULH UNSPEC_VQRDMULH_LANE UNSPEC_VQDMULL UNSPEC_VQDMULL_LANE UNSPEC_VQMOVN_S UNSPEC_VQMOVN_U UNSPEC_VQMOVUN UNSPEC_VQNEG UNSPEC_VQSHL_S UNSPEC_VQSHL_U UNSPEC_VQRSHL_S UNSPEC_VQRSHL_U UNSPEC_VQSHL_S_N UNSPEC_VQSHL_U_N UNSPEC_VQSHLU_N UNSPEC_VQSHRN_S_N UNSPEC_VQSHRN_U_N UNSPEC_VQRSHRN_S_N UNSPEC_VQRSHRN_U_N UNSPEC_VQSHRUN_N UNSPEC_VQRSHRUN_N UNSPEC_VQSUB_S UNSPEC_VQSUB_U UNSPEC_VRECPE UNSPEC_VRECPS UNSPEC_VREV16 UNSPEC_VREV32 UNSPEC_VREV64 UNSPEC_VRSQRTE UNSPEC_VRSQRTS UNSPEC_VSHL_S UNSPEC_VSHL_U UNSPEC_VRSHL_S UNSPEC_VRSHL_U UNSPEC_VSHLL_S_N UNSPEC_VSHLL_U_N UNSPEC_VSHL_N UNSPEC_VSHR_S_N UNSPEC_VSHR_U_N UNSPEC_VRSHR_S_N UNSPEC_VRSHR_U_N UNSPEC_VSHRN_N UNSPEC_VRSHRN_N UNSPEC_VSLI UNSPEC_VSRA_S_N UNSPEC_VSRA_U_N UNSPEC_VRSRA_S_N UNSPEC_VRSRA_U_N UNSPEC_VSRI UNSPEC_VST1 UNSPEC_VST1_LANE UNSPEC_VST2 UNSPEC_VST2_LANE UNSPEC_VST3 UNSPEC_VST3A UNSPEC_VST3B UNSPEC_VST3_LANE UNSPEC_VST4 UNSPEC_VST4A UNSPEC_VST4B UNSPEC_VST4_LANE UNSPEC_VSTRUCTDUMMY UNSPEC_VSUB UNSPEC_VSUBHN UNSPEC_VRSUBHN UNSPEC_VSUBL_S UNSPEC_VSUBL_U UNSPEC_VSUBW_S UNSPEC_VSUBW_U UNSPEC_VTBL UNSPEC_VTBX UNSPEC_VTRN1 UNSPEC_VTRN2 UNSPEC_VTST UNSPEC_VUZP1 UNSPEC_VUZP2 UNSPEC_VZIP1 UNSPEC_VZIP2 UNSPEC_MISALIGNED_ACCESS UNSPEC_VCLE UNSPEC_VCLT UNSPEC_NVRINTZ UNSPEC_NVRINTP UNSPEC_NVRINTM UNSPEC_NVRINTX UNSPEC_NVRINTA UNSPEC_NVRINTN UNSPEC_VQRDMLAH UNSPEC_VQRDMLSH UNSPEC_VRND UNSPEC_VRNDA UNSPEC_VRNDI UNSPEC_VRNDM UNSPEC_VRNDN UNSPEC_VRNDP UNSPEC_VRNDX UNSPEC_DOT_S UNSPEC_DOT_U UNSPEC_DOT_US UNSPEC_DOT_SU UNSPEC_VFML_LO UNSPEC_VFML_HI UNSPEC_VCADD90 UNSPEC_VCADD270 UNSPEC_VCMLA UNSPEC_VCMLA90 UNSPEC_VCMLA180 UNSPEC_VCMLA270 UNSPEC_MATMUL_S UNSPEC_MATMUL_U UNSPEC_MATMUL_US UNSPEC_BFCVT UNSPEC_BFCVT_HIGH UNSPEC_BFMMLA UNSPEC_BFMAB UNSPEC_BFMAT ])