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Diffstat (limited to 'gcc-4.9/gcc/config/rs6000/power6.md')
| -rw-r--r-- | gcc-4.9/gcc/config/rs6000/power6.md | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/rs6000/power6.md b/gcc-4.9/gcc/config/rs6000/power6.md new file mode 100644 index 000000000..4ed721eef --- /dev/null +++ b/gcc-4.9/gcc/config/rs6000/power6.md @@ -0,0 +1,578 @@ +;; Scheduling description for IBM POWER6 processor. +;; Copyright (C) 2006-2014 Free Software Foundation, Inc. +;; Contributed by Peter Steinmetz (steinmtz@us.ibm.com) +;; +;; 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/>. + +;; Sources: + +;; The POWER6 has 2 iu, 2 fpu, 2 lsu, and 1 bu/cru unit per engine +;; (2 engines per chip). The chip can issue up to 5 internal ops +;; per cycle. + +(define_automaton "power6iu,power6lsu,power6fpu,power6bu") + +(define_cpu_unit "iu1_power6,iu2_power6" "power6iu") +(define_cpu_unit "lsu1_power6,lsu2_power6" "power6lsu") +(define_cpu_unit "bpu_power6" "power6bu") +(define_cpu_unit "fpu1_power6,fpu2_power6" "power6fpu") + +(define_reservation "LS2_power6" + "lsu1_power6+lsu2_power6") + +(define_reservation "FPU_power6" + "fpu1_power6|fpu2_power6") + +(define_reservation "BRU_power6" + "bpu_power6") + +(define_reservation "LSU_power6" + "lsu1_power6|lsu2_power6") + +(define_reservation "LSF_power6" + "(lsu1_power6+fpu1_power6)\ + |(lsu1_power6+fpu2_power6)\ + |(lsu2_power6+fpu1_power6)\ + |(lsu2_power6+fpu2_power6)") + +(define_reservation "LX2_power6" + "(iu1_power6+iu2_power6+lsu1_power6)\ + |(iu1_power6+iu2_power6+lsu2_power6)") + +(define_reservation "FX2_power6" + "iu1_power6+iu2_power6") + +(define_reservation "X2F_power6" + "(iu1_power6+iu2_power6+fpu1_power6)\ + |(iu1_power6+iu2_power6+fpu2_power6)") + +(define_reservation "BX2_power6" + "iu1_power6+iu2_power6+bpu_power6") + +(define_reservation "LSX_power6" + "(iu1_power6+lsu1_power6)\ + |(iu1_power6+lsu2_power6)\ + |(iu2_power6+lsu1_power6)\ + |(iu2_power6+lsu2_power6)") + +(define_reservation "FXU_power6" + "iu1_power6|iu2_power6") + +(define_reservation "XLF_power6" + "(iu1_power6+lsu1_power6+fpu1_power6)\ + |(iu1_power6+lsu1_power6+fpu2_power6)\ + |(iu1_power6+lsu2_power6+fpu1_power6)\ + |(iu1_power6+lsu2_power6+fpu2_power6)\ + |(iu2_power6+lsu1_power6+fpu1_power6)\ + |(iu2_power6+lsu1_power6+fpu2_power6)\ + |(iu2_power6+lsu2_power6+fpu1_power6)\ + |(iu2_power6+lsu2_power6+fpu2_power6)") + +(define_reservation "BRX_power6" + "(bpu_power6+iu1_power6)\ + |(bpu_power6+iu2_power6)") + +; Load/store + +; The default for a value written by a fixed point load +; that is read/written by a subsequent fixed point op. +(define_insn_reservation "power6-load" 2 ; fx + (and (eq_attr "type" "load") + (eq_attr "cpu" "power6")) + "LSU_power6") + +; define the bypass for the case where the value written +; by a fixed point load is used as the source value on +; a store. +(define_bypass 1 "power6-load,\ + power6-load-update,\ + power6-load-update-indexed" + "power6-store,\ + power6-store-update,\ + power6-store-update-indexed,\ + power6-fpstore,\ + power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-load-ext" 4 ; fx + (and (eq_attr "type" "load_ext") + (eq_attr "cpu" "power6")) + "LSU_power6") + +; define the bypass for the case where the value written +; by a fixed point load ext is used as the source value on +; a store. +(define_bypass 1 "power6-load-ext,\ + power6-load-ext-update,\ + power6-load-ext-update-indexed" + "power6-store,\ + power6-store-update,\ + power6-store-update-indexed,\ + power6-fpstore,\ + power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-load-update" 2 ; fx + (and (eq_attr "type" "load_u") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-load-update-indexed" 2 ; fx + (and (eq_attr "type" "load_ux") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-load-ext-update" 4 ; fx + (and (eq_attr "type" "load_ext_u") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-load-ext-update-indexed" 4 ; fx + (and (eq_attr "type" "load_ext_ux") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-fpload" 1 + (and (eq_attr "type" "fpload") + (eq_attr "cpu" "power6")) + "LSU_power6") + +(define_insn_reservation "power6-fpload-update" 1 + (and (eq_attr "type" "fpload_u,fpload_ux") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-store" 14 + (and (eq_attr "type" "store") + (eq_attr "cpu" "power6")) + "LSU_power6") + +(define_insn_reservation "power6-store-update" 14 + (and (eq_attr "type" "store_u") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-store-update-indexed" 14 + (and (eq_attr "type" "store_ux") + (eq_attr "cpu" "power6")) + "LX2_power6") + +(define_insn_reservation "power6-fpstore" 14 + (and (eq_attr "type" "fpstore") + (eq_attr "cpu" "power6")) + "LSF_power6") + +(define_insn_reservation "power6-fpstore-update" 14 + (and (eq_attr "type" "fpstore_u,fpstore_ux") + (eq_attr "cpu" "power6")) + "XLF_power6") + +(define_insn_reservation "power6-larx" 3 + (and (eq_attr "type" "load_l") + (eq_attr "cpu" "power6")) + "LS2_power6") + +(define_insn_reservation "power6-stcx" 10 ; best case + (and (eq_attr "type" "store_c") + (eq_attr "cpu" "power6")) + "LSX_power6") + +(define_insn_reservation "power6-sync" 11 ; N/A + (and (eq_attr "type" "sync") + (eq_attr "cpu" "power6")) + "LSU_power6") + +(define_insn_reservation "power6-integer" 1 + (and (eq_attr "type" "integer") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-isel" 1 + (and (eq_attr "type" "isel") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-exts" 1 + (and (eq_attr "type" "exts") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-shift" 1 + (and (eq_attr "type" "shift") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-popcnt" 1 + (and (eq_attr "type" "popcnt") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-insert" 1 + (and (eq_attr "type" "insert_word") + (eq_attr "cpu" "power6")) + "FX2_power6") + +(define_insn_reservation "power6-insert-dword" 1 + (and (eq_attr "type" "insert_dword") + (eq_attr "cpu" "power6")) + "FX2_power6") + +; define the bypass for the case where the value written +; by a fixed point op is used as the source value on a +; store. +(define_bypass 1 "power6-integer,\ + power6-exts,\ + power6-shift,\ + power6-insert,\ + power6-insert-dword" + "power6-store,\ + power6-store-update,\ + power6-store-update-indexed,\ + power6-fpstore,\ + power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-cntlz" 2 + (and (eq_attr "type" "cntlz") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_bypass 1 "power6-cntlz" + "power6-store,\ + power6-store-update,\ + power6-store-update-indexed,\ + power6-fpstore,\ + power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-var-rotate" 4 + (and (eq_attr "type" "var_shift_rotate") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-trap" 1 ; N/A + (and (eq_attr "type" "trap") + (eq_attr "cpu" "power6")) + "BRX_power6") + +(define_insn_reservation "power6-two" 1 + (and (eq_attr "type" "two") + (eq_attr "cpu" "power6")) + "(iu1_power6,iu1_power6)\ + |(iu1_power6+iu2_power6,nothing)\ + |(iu1_power6,iu2_power6)\ + |(iu2_power6,iu1_power6)\ + |(iu2_power6,iu2_power6)") + +(define_insn_reservation "power6-three" 1 + (and (eq_attr "type" "three") + (eq_attr "cpu" "power6")) + "(iu1_power6,iu1_power6,iu1_power6)\ + |(iu1_power6,iu1_power6,iu2_power6)\ + |(iu1_power6,iu2_power6,iu1_power6)\ + |(iu1_power6,iu2_power6,iu2_power6)\ + |(iu2_power6,iu1_power6,iu1_power6)\ + |(iu2_power6,iu1_power6,iu2_power6)\ + |(iu2_power6,iu2_power6,iu1_power6)\ + |(iu2_power6,iu2_power6,iu2_power6)\ + |(iu1_power6+iu2_power6,iu1_power6)\ + |(iu1_power6+iu2_power6,iu2_power6)\ + |(iu1_power6,iu1_power6+iu2_power6)\ + |(iu2_power6,iu1_power6+iu2_power6)") + +(define_insn_reservation "power6-cmp" 1 + (and (eq_attr "type" "cmp") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-compare" 1 + (and (eq_attr "type" "compare") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-fast-compare" 1 + (and (eq_attr "type" "fast_compare") + (eq_attr "cpu" "power6")) + "FXU_power6") + +; define the bypass for the case where the value written +; by a fixed point rec form op is used as the source value +; on a store. +(define_bypass 1 "power6-compare,\ + power6-fast-compare" + "power6-store,\ + power6-store-update,\ + power6-store-update-indexed,\ + power6-fpstore,\ + power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-delayed-compare" 2 ; N/A + (and (eq_attr "type" "delayed_compare") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-var-delayed-compare" 4 + (and (eq_attr "type" "var_delayed_compare") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-lmul-cmp" 16 + (and (eq_attr "type" "lmul_compare") + (eq_attr "cpu" "power6")) + "(iu1_power6*16+iu2_power6*16+fpu1_power6*16)\ + |(iu1_power6*16+iu2_power6*16+fpu2_power6*16)"); + +(define_insn_reservation "power6-imul-cmp" 16 + (and (eq_attr "type" "imul_compare") + (eq_attr "cpu" "power6")) + "(iu1_power6*16+iu2_power6*16+fpu1_power6*16)\ + |(iu1_power6*16+iu2_power6*16+fpu2_power6*16)"); + +(define_insn_reservation "power6-lmul" 16 + (and (eq_attr "type" "lmul") + (eq_attr "cpu" "power6")) + "(iu1_power6*16+iu2_power6*16+fpu1_power6*16)\ + |(iu1_power6*16+iu2_power6*16+fpu2_power6*16)"); + +(define_insn_reservation "power6-imul" 16 + (and (eq_attr "type" "imul") + (eq_attr "cpu" "power6")) + "(iu1_power6*16+iu2_power6*16+fpu1_power6*16)\ + |(iu1_power6*16+iu2_power6*16+fpu2_power6*16)"); + +(define_insn_reservation "power6-imul3" 16 + (and (eq_attr "type" "imul2,imul3") + (eq_attr "cpu" "power6")) + "(iu1_power6*16+iu2_power6*16+fpu1_power6*16)\ + |(iu1_power6*16+iu2_power6*16+fpu2_power6*16)"); + +(define_bypass 9 "power6-imul,\ + power6-lmul,\ + power6-imul-cmp,\ + power6-lmul-cmp,\ + power6-imul3" + "power6-store,\ + power6-store-update,\ + power6-store-update-indexed,\ + power6-fpstore,\ + power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-idiv" 44 + (and (eq_attr "type" "idiv") + (eq_attr "cpu" "power6")) + "(iu1_power6*44+iu2_power6*44+fpu1_power6*44)\ + |(iu1_power6*44+iu2_power6*44+fpu2_power6*44)"); + +; The latency for this bypass is yet to be defined +;(define_bypass ? "power6-idiv" +; "power6-store,\ +; power6-store-update,\ +; power6-store-update-indexed,\ +; power6-fpstore,\ +; power6-fpstore-update" +; "store_data_bypass_p") + +(define_insn_reservation "power6-ldiv" 56 + (and (eq_attr "type" "ldiv") + (eq_attr "cpu" "power6")) + "(iu1_power6*56+iu2_power6*56+fpu1_power6*56)\ + |(iu1_power6*56+iu2_power6*56+fpu2_power6*56)"); + +; The latency for this bypass is yet to be defined +;(define_bypass ? "power6-ldiv" +; "power6-store,\ +; power6-store-update,\ +; power6-store-update-indexed,\ +; power6-fpstore,\ +; power6-fpstore-update" +; "store_data_bypass_p") + +(define_insn_reservation "power6-mtjmpr" 2 + (and (eq_attr "type" "mtjmpr,mfjmpr") + (eq_attr "cpu" "power6")) + "BX2_power6") + +(define_bypass 5 "power6-mtjmpr" "power6-branch") + +(define_insn_reservation "power6-branch" 2 + (and (eq_attr "type" "jmpreg,branch") + (eq_attr "cpu" "power6")) + "BRU_power6") + +(define_bypass 5 "power6-branch" "power6-mtjmpr") + +(define_insn_reservation "power6-crlogical" 3 + (and (eq_attr "type" "cr_logical") + (eq_attr "cpu" "power6")) + "BRU_power6") + +(define_bypass 3 "power6-crlogical" "power6-branch") + +(define_insn_reservation "power6-delayedcr" 3 + (and (eq_attr "type" "delayed_cr") + (eq_attr "cpu" "power6")) + "BRU_power6") + +(define_insn_reservation "power6-mfcr" 6 ; N/A + (and (eq_attr "type" "mfcr") + (eq_attr "cpu" "power6")) + "BX2_power6") + +; mfcrf (1 field) +(define_insn_reservation "power6-mfcrf" 3 ; N/A + (and (eq_attr "type" "mfcrf") + (eq_attr "cpu" "power6")) + "BX2_power6") ; + +; mtcrf (1 field) +(define_insn_reservation "power6-mtcr" 4 ; N/A + (and (eq_attr "type" "mtcr") + (eq_attr "cpu" "power6")) + "BX2_power6") + +(define_bypass 9 "power6-mtcr" "power6-branch") + +(define_insn_reservation "power6-fp" 6 + (and (eq_attr "type" "fp,dmul") + (eq_attr "cpu" "power6")) + "FPU_power6") + +; Any fp instruction that updates a CR has a latency +; of 6 to a dependent branch +(define_bypass 6 "power6-fp" "power6-branch") + +(define_bypass 1 "power6-fp" + "power6-fpstore,power6-fpstore-update" + "store_data_bypass_p") + +(define_insn_reservation "power6-fpcompare" 8 + (and (eq_attr "type" "fpcompare") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_bypass 12 "power6-fpcompare" + "power6-branch,power6-crlogical") + +(define_insn_reservation "power6-sdiv" 26 + (and (eq_attr "type" "sdiv") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_insn_reservation "power6-ddiv" 32 + (and (eq_attr "type" "ddiv") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_insn_reservation "power6-sqrt" 30 + (and (eq_attr "type" "ssqrt") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_insn_reservation "power6-dsqrt" 42 + (and (eq_attr "type" "dsqrt") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_insn_reservation "power6-isync" 2 ; N/A + (and (eq_attr "type" "isync") + (eq_attr "cpu" "power6")) + "FXU_power6") + +(define_insn_reservation "power6-vecload" 1 + (and (eq_attr "type" "vecload") + (eq_attr "cpu" "power6")) + "LSU_power6") + +(define_insn_reservation "power6-vecstore" 1 + (and (eq_attr "type" "vecstore") + (eq_attr "cpu" "power6")) + "LSF_power6") + +(define_insn_reservation "power6-vecsimple" 3 + (and (eq_attr "type" "vecsimple") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_bypass 6 "power6-vecsimple" "power6-veccomplex,\ + power6-vecperm") + +(define_bypass 5 "power6-vecsimple" "power6-vecfloat") + +(define_bypass 4 "power6-vecsimple" "power6-vecstore" ) + +(define_insn_reservation "power6-veccmp" 1 + (and (eq_attr "type" "veccmp") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_bypass 10 "power6-veccmp" "power6-branch") + +(define_insn_reservation "power6-vecfloat" 7 + (and (eq_attr "type" "vecfloat") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_bypass 10 "power6-vecfloat" "power6-vecsimple") + +(define_bypass 11 "power6-vecfloat" "power6-veccomplex,\ + power6-vecperm") + +(define_bypass 9 "power6-vecfloat" "power6-vecstore" ) + +(define_insn_reservation "power6-veccomplex" 7 + (and (eq_attr "type" "vecsimple") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_bypass 10 "power6-veccomplex" "power6-vecsimple,\ + power6-vecfloat" ) + +(define_bypass 9 "power6-veccomplex" "power6-vecperm" ) + +(define_bypass 8 "power6-veccomplex" "power6-vecstore" ) + +(define_insn_reservation "power6-vecperm" 4 + (and (eq_attr "type" "vecperm") + (eq_attr "cpu" "power6")) + "FPU_power6") + +(define_bypass 7 "power6-vecperm" "power6-vecsimple,\ + power6-vecfloat" ) + +(define_bypass 6 "power6-vecperm" "power6-veccomplex" ) + +(define_bypass 5 "power6-vecperm" "power6-vecstore" ) + +(define_insn_reservation "power6-mftgpr" 8 + (and (eq_attr "type" "mftgpr") + (eq_attr "cpu" "power6")) + "X2F_power6") + +(define_insn_reservation "power6-mffgpr" 14 + (and (eq_attr "type" "mffgpr") + (eq_attr "cpu" "power6")) + "LX2_power6") + +(define_bypass 4 "power6-mftgpr" "power6-imul,\ + power6-lmul,\ + power6-imul-cmp,\ + power6-lmul-cmp,\ + power6-imul3,\ + power6-idiv,\ + power6-ldiv" ) |