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Diffstat (limited to 'contrib/gcc/config/rs6000/power4.md')
| -rw-r--r-- | contrib/gcc/config/rs6000/power4.md | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/contrib/gcc/config/rs6000/power4.md b/contrib/gcc/config/rs6000/power4.md new file mode 100644 index 0000000..fabc1de --- /dev/null +++ b/contrib/gcc/config/rs6000/power4.md @@ -0,0 +1,392 @@ +;; Scheduling description for IBM Power4 and PowerPC 970 processors. +;; Copyright (C) 2003 Free Software Foundation, Inc. +;; +;; 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 2, 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 COPYING. If not, write to the +;; Free Software Foundation, 59 Temple Place - Suite 330, Boston, +;; MA 02111-1307, USA. + +;; Sources: IBM Red Book and White Paper on POWER4 + +;; The POWER4 has 2 iu, 2 fpu, 2 lsu per engine (2 engines per chip). +;; Instructions that update more than one register get broken into two +;; (split) or more internal ops. The chip can issue up to 5 +;; internal ops per cycle. + +(define_automaton "power4iu,power4fpu,power4vec,power4misc") + +(define_cpu_unit "iu1_power4,iu2_power4" "power4iu") +(define_cpu_unit "lsu1_power4,lsu2_power4" "power4misc") +(define_cpu_unit "fpu1_power4,fpu2_power4" "power4fpu") +(define_cpu_unit "bpu_power4,cru_power4" "power4misc") +(define_cpu_unit "vec_power4,vecperm_power4" "power4vec") +(define_cpu_unit "du1_power4,du2_power4,du3_power4,du4_power4,du5_power4" + "power4misc") + +(define_reservation "lsq_power4" + "(du1_power4,lsu1_power4)\ + |(du2_power4,lsu2_power4)\ + |(du3_power4,nothing,lsu2_power4)\ + |(du4_power4,nothing,lsu1_power4)") + +(define_reservation "lsuq_power4" + "(du1_power4+du2_power4,lsu1_power4+iu2_power4)\ + |(du2_power4+du3_power4,lsu2_power4+iu2_power4)\ + |(du3_power4+du4_power4,lsu2_power4+iu1_power4)") +; |(du2_power4+du3_power4,nothing,lsu2_power4,iu2_power4) + +(define_reservation "iq_power4" + "(du1_power4,iu1_power4)\ + |(du2_power4,iu2_power4)\ + |(du3_power4,nothing,iu2_power4)\ + |(du4_power4,nothing,iu1_power4)") + +(define_reservation "fpq_power4" + "(du1_power4,fpu1_power4)\ + |(du2_power4,fpu2_power4)\ + |(du3_power4,nothing,fpu2_power4)\ + |(du4_power4,nothing,fpu1_power4)") + +(define_reservation "vq_power4" + "(du1_power4,vec_power4)\ + |(du2_power4,vec_power4)\ + |(du3_power4,nothing,vec_power4)\ + |(du4_power4,nothing,vec_power4)") + +(define_reservation "vpq_power4" + "(du1_power4,vecperm_power4)\ + |(du2_power4,vecperm_power4)\ + |(du3_power4,nothing,vecperm_power4)\ + |(du4_power4,nothing,vecperm_power4)") + + +; Dispatch slots are allocated in order conforming to program order. +(absence_set "du1_power4" "du2_power4,du3_power4,du4_power4,du5_power4") +(absence_set "du2_power4" "du3_power4,du4_power4,du5_power4") +(absence_set "du3_power4" "du4_power4,du5_power4") +(absence_set "du4_power4" "du5_power4") + + +; Load/store +(define_insn_reservation "power4-load" 4 ; 3 + (and (eq_attr "type" "load") + (eq_attr "cpu" "power4")) + "lsq_power4") + +(define_insn_reservation "power4-load-ext" 5 + (and (eq_attr "type" "load_ext") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,lsu1_power4,nothing,nothing,iu2_power4)\ + |(du2_power4+du3_power4,lsu2_power4,nothing,nothing,iu2_power4)\ + |(du3_power4+du4_power4,lsu2_power4,nothing,nothing,iu1_power4)") + +(define_insn_reservation "power4-load-ext-update" 5 + (and (eq_attr "type" "load_ext_u") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4+du3_power4+du4_power4,\ + lsu1_power4+iu2_power4,nothing,nothing,iu2_power4") + +(define_insn_reservation "power4-load-ext-update-indexed" 5 + (and (eq_attr "type" "load_ext_ux") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4+du3_power4+du4_power4,\ + iu1_power4,lsu2_power4+iu1_power4,nothing,nothing,iu2_power4") + +(define_insn_reservation "power4-load-update-indexed" 3 + (and (eq_attr "type" "load_ux") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4+du3_power4+du4_power4,\ + iu1_power4,lsu2_power4+iu2_power4") + +(define_insn_reservation "power4-load-update" 4 ; 3 + (and (eq_attr "type" "load_u") + (eq_attr "cpu" "power4")) + "lsuq_power4") + +(define_insn_reservation "power4-fpload" 6 ; 5 + (and (eq_attr "type" "fpload") + (eq_attr "cpu" "power4")) + "lsq_power4") + +(define_insn_reservation "power4-fpload-update" 6 ; 5 + (and (eq_attr "type" "fpload_u,fpload_ux") + (eq_attr "cpu" "power4")) + "lsuq_power4") + +(define_insn_reservation "power4-vecload" 6 ; 5 + (and (eq_attr "type" "vecload") + (eq_attr "cpu" "power4")) + "lsq_power4") + +(define_insn_reservation "power4-store" 1 + (and (eq_attr "type" "store") + (eq_attr "cpu" "power4")) + "(du1_power4,lsu1_power4,iu1_power4)\ + |(du2_power4,lsu2_power4,iu2_power4)\ + |(du3_power4,lsu2_power4,nothing,iu2_power4)\ + |(du4_power4,lsu1_power4,nothing,iu1_power4)") + +(define_insn_reservation "power4-store-update" 1 + (and (eq_attr "type" "store_u") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,lsu1_power4+iu2_power4,iu1_power4)\ + |(du2_power4+du3_power4,lsu2_power4+iu2_power4,iu2_power4)\ + |(du3_power4+du4_power4,lsu2_power4+iu1_power4,iu2_power4)\ + |(du3_power4+du4_power4,lsu2_power4,iu1_power4,iu2_power4)") + +(define_insn_reservation "power4-store-update-indexed" 1 + (and (eq_attr "type" "store_ux") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4+du3_power4+du4_power4,\ + iu1_power4,lsu2_power4+iu2_power4,iu2_power4") + +(define_insn_reservation "power4-fpstore" 1 + (and (eq_attr "type" "fpstore") + (eq_attr "cpu" "power4")) + "(du1_power4,lsu1_power4,fpu1_power4)\ + |(du2_power4,lsu2_power4,fpu2_power4)\ + |(du3_power4,lsu2_power4,nothing,fpu2_power4)\ + |(du4_power4,lsu1_power4,nothing,fpu1_power4)") + +(define_insn_reservation "power4-fpstore-update" 1 + (and (eq_attr "type" "fpstore_u,fpstore_ux") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,lsu1_power4+iu2_power4,fpu1_power4)\ + |(du2_power4+du3_power4,lsu2_power4+iu2_power4,fpu2_power4)\ + |(du3_power4+du4_power4,lsu2_power4+iu1_power4,fpu2_power4)") +; |(du3_power4+du4_power4,nothing,lsu2_power4+iu1_power4,fpu2_power4)") + +(define_insn_reservation "power4-vecstore" 1 + (and (eq_attr "type" "vecstore") + (eq_attr "cpu" "power4")) + "(du1_power4,lsu1_power4,vec_power4)\ + |(du2_power4,lsu2_power4,vec_power4)\ + |(du3_power4,lsu2_power4,nothing,vec_power4)\ + |(du4_power4,lsu1_power4,nothing,vec_power4)") + + +; Integer latency is 2 cycles +(define_insn_reservation "power4-integer" 2 + (and (eq_attr "type" "integer") + (eq_attr "cpu" "power4")) + "iq_power4") + +(define_insn_reservation "power4-insert" 4 + (and (eq_attr "type" "insert_word") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,iu1_power4,nothing,iu2_power4)\ + |(du2_power4+du3_power4,iu2_power4,nothing,iu2_power4)\ + |(du3_power4+du4_power4,iu2_power4,nothing,iu1_power4)") + +(define_insn_reservation "power4-cmp" 3 + (and (eq_attr "type" "cmp,fast_compare") + (eq_attr "cpu" "power4")) + "iq_power4") + +(define_insn_reservation "power4-compare" 2 + (and (eq_attr "type" "compare,delayed_compare") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,iu1_power4,iu2_power4)\ + |(du2_power4+du3_power4,iu2_power4,iu2_power4)\ + |(du3_power4+du4_power4,nothing,iu2_power4,iu1_power4)") + +(define_bypass 4 "power4-compare" "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") + +(define_insn_reservation "power4-lmul-cmp" 7 + (and (eq_attr "type" "lmul_compare") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,iu1_power4*6,iu2_power4)\ + |(du2_power4+du3_power4,iu2_power4*6,iu2_power4)\ + |(du3_power4+du4_power4,iu2_power4*6,iu1_power4)") +; |(du3_power4+du4_power4,nothing,iu2_power4*6,iu1_power4)") + +(define_bypass 10 "power4-lmul-cmp" "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") + +(define_insn_reservation "power4-imul-cmp" 5 + (and (eq_attr "type" "imul_compare") + (eq_attr "cpu" "power4")) + "(du1_power4+du2_power4,iu1_power4*4,iu2_power4)\ + |(du2_power4+du3_power4,iu2_power4*4,iu2_power4)\ + |(du3_power4+du4_power4,iu2_power4*4,iu1_power4)") +; |(du3_power4+du4_power4,nothing,iu2_power4*4,iu1_power4)") + +(define_bypass 8 "power4-imul-cmp" "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") + +(define_insn_reservation "power4-lmul" 7 + (and (eq_attr "type" "lmul") + (eq_attr "cpu" "power4")) + "(du1_power4,iu1_power4*6)\ + |(du2_power4,iu2_power4*6)\ + |(du3_power4,iu2_power4*6)\ + |(du4_power4,iu2_power4*6)") +; |(du3_power4,nothing,iu2_power4*6)\ +; |(du4_power4,nothing,iu2_power4*6)") + +(define_insn_reservation "power4-imul" 5 + (and (eq_attr "type" "imul") + (eq_attr "cpu" "power4")) + "(du1_power4,iu1_power4*4)\ + |(du2_power4,iu2_power4*4)\ + |(du3_power4,iu2_power4*4)\ + |(du4_power4,iu1_power4*4)") +; |(du3_power4,nothing,iu2_power4*4)\ +; |(du4_power4,nothing,iu1_power4*4)") + +(define_insn_reservation "power4-imul3" 4 + (and (eq_attr "type" "imul2,imul3") + (eq_attr "cpu" "power4")) + "(du1_power4,iu1_power4*3)\ + |(du2_power4,iu2_power4*3)\ + |(du3_power4,iu2_power4*3)\ + |(du4_power4,iu1_power4*3)") +; |(du3_power4,nothing,iu2_power4*3)\ +; |(du4_power4,nothing,iu1_power4*3)") + + +; SPR move only executes in first IU. +; Integer division only executes in second IU. +(define_insn_reservation "power4-idiv" 36 + (and (eq_attr "type" "idiv") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4,iu2_power4*35") + +(define_insn_reservation "power4-ldiv" 68 + (and (eq_attr "type" "ldiv") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4,iu2_power4*67") + + +(define_insn_reservation "power4-mtjmpr" 3 + (and (eq_attr "type" "mtjmpr,mfjmpr") + (eq_attr "cpu" "power4")) + "du1_power4,bpu_power4") + + +; Branches take dispatch Slot 4. The presence_sets prevent other insn from +; grabbing previous dispatch slots once this is assigned. +(define_insn_reservation "power4-branch" 2 + (and (eq_attr "type" "jmpreg,branch") + (eq_attr "cpu" "power4")) + "(du5_power4\ + |du4_power4+du5_power4\ + |du3_power4+du4_power4+du5_power4\ + |du2_power4+du3_power4+du4_power4+du5_power4\ + |du1_power4+du2_power4+du3_power4+du4_power4+du5_power4),bpu_power4") + + +; Condition Register logical ops are split if non-destructive (RT != RB) +(define_insn_reservation "power4-crlogical" 2 + (and (eq_attr "type" "cr_logical") + (eq_attr "cpu" "power4")) + "du1_power4,cru_power4") + +(define_insn_reservation "power4-delayedcr" 4 + (and (eq_attr "type" "delayed_cr") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4,cru_power4,cru_power4") + +; 4 mfcrf (each 3 cyc, 1/cyc) + 3 fxu +(define_insn_reservation "power4-mfcr" 6 + (and (eq_attr "type" "mfcr") + (eq_attr "cpu" "power4")) + "du1_power4+du2_power4+du3_power4+du4_power4,\ + du1_power4+du2_power4+du3_power4+du4_power4+cru_power4,\ + cru_power4,cru_power4,cru_power4") + +; mfcrf (1 field) +(define_insn_reservation "power4-mfcrf" 3 + (and (eq_attr "type" "mfcrf") + (eq_attr "cpu" "power4")) + "du1_power4,cru_power4") + +; mtcrf (1 field) +(define_insn_reservation "power4-mtcr" 4 + (and (eq_attr "type" "mtcr") + (eq_attr "cpu" "power4")) + "du1_power4,iu1_power4") + +; Basic FP latency is 6 cycles +(define_insn_reservation "power4-fp" 6 + (and (eq_attr "type" "fp,dmul") + (eq_attr "cpu" "power4")) + "fpq_power4") + +(define_insn_reservation "power4-fpcompare" 5 + (and (eq_attr "type" "fpcompare") + (eq_attr "cpu" "power4")) + "fpq_power4") + +(define_insn_reservation "power4-sdiv" 33 + (and (eq_attr "type" "sdiv,ddiv") + (eq_attr "cpu" "power4")) + "(du1_power4,fpu1_power4*28)\ + |(du2_power4,fpu2_power4*28)\ + |(du3_power4,fpu2_power4*28)\ + |(du4_power4,fpu1_power4*28)") +; |(du3_power4,nothing,fpu2_power4*28)\ +; |(du4_power4,nothing,fpu1_power4*28)") + +(define_insn_reservation "power4-sqrt" 40 + (and (eq_attr "type" "ssqrt,dsqrt") + (eq_attr "cpu" "power4")) + "(du1_power4,fpu1_power4*35)\ + |(du2_power4,fpu2_power4*35)\ + |(du3_power4,fpu2_power4*35)\ + |(du4_power4,fpu2_power4*35)") +; |(du3_power4,nothing,fpu2_power4*35)\ +; |(du4_power4,nothing,fpu2_power4*35)") + + +; VMX +(define_insn_reservation "power4-vecsimple" 2 + (and (eq_attr "type" "vecsimple") + (eq_attr "cpu" "power4")) + "vq_power4") + +(define_insn_reservation "power4-veccomplex" 5 + (and (eq_attr "type" "veccomplex") + (eq_attr "cpu" "power4")) + "vq_power4") + +; vecfp compare +(define_insn_reservation "power4-veccmp" 8 + (and (eq_attr "type" "veccmp") + (eq_attr "cpu" "power4")) + "vq_power4") + +(define_insn_reservation "power4-vecfloat" 8 + (and (eq_attr "type" "vecfloat") + (eq_attr "cpu" "power4")) + "vq_power4") + +(define_insn_reservation "power4-vecperm" 2 + (and (eq_attr "type" "vecperm") + (eq_attr "cpu" "power4")) + "vpq_power4") + +(define_bypass 4 "power4-vecload" "power4-vecperm") + +(define_bypass 3 "power4-vecsimple" "power4-vecperm") +(define_bypass 6 "power4-veccomplex" "power4-vecperm") +(define_bypass 3 "power4-vecperm" + "power4-vecsimple,power4-veccomplex,power4-vecfloat") +(define_bypass 9 "power4-vecfloat" "power4-vecperm") + +(define_bypass 5 "power4-vecsimple,power4-veccomplex" + "power4-branch,power4-crlogical,power4-delayedcr,power4-mfcr,power4-mfcrf") + +(define_bypass 4 "power4-vecsimple,power4-vecperm" "power4-vecstore") +(define_bypass 7 "power4-veccomplex" "power4-vecstore") +(define_bypass 10 "power4-vecfloat" "power4-vecstore") |
