gcc_4.2.2.bb: add patch for powerpc e300c2 and e300c3 cores

1 files changed, 311 insertions, 0 deletions

diff --git a/packages/gcc/gcc-4.2.2/gcc-4.0.2-e300c2c3.patch b/packages/gcc/gcc-4.2.2/gcc-4.0.2-e300c2c3.patch
new file mode 100644
index 0000000000..736ac4b6b6
--- /dev/null
+++ b/packages/gcc/gcc-4.2.2/gcc-4.0.2-e300c2c3.patch
@@ -0,0 +1,311 @@
+Adds support for Freescale Power architecture e300c2 and e300c3 cores.
+http://www.bitshrine.org/gpp/tc-fsl-x86lnx-e300c3-nptl-4.0.2-2.src.rpm
+
+Leon Woestenberg <leonw@mailcan.com>
+
+Index: gcc-4.1.2/gcc/config/rs6000/e300c2c3.md
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ gcc-4.1.2/gcc/config/rs6000/e300c2c3.md	2007-10-18 15:32:51.000000000 +0200
+@@ -0,0 +1,189 @@
++;; Pipeline description for Motorola PowerPC e300c3 core.
++;;   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.
++
++(define_automaton "ppce300c3_most,ppce300c3_long,ppce300c3_retire")
++(define_cpu_unit "ppce300c3_decode_0,ppce300c3_decode_1" "ppce300c3_most")
++
++;; We don't simulate general issue queue (GIC).  If we have SU insn
++;; and then SU1 insn, they can not be issued on the same cycle
++;; (although SU1 insn and then SU insn can be issued) because the SU
++;; insn will go to SU1 from GIC0 entry.  Fortunately, the first cycle
++;; multipass insn scheduling will find the situation and issue the SU1
++;; insn and then the SU insn.
++(define_cpu_unit "ppce300c3_issue_0,ppce300c3_issue_1"   "ppce300c3_most")
++
++;; We could describe completion buffers slots in combination with the
++;; retirement units and the order of completion but the result
++;; automaton would behave in the same way because we can not describe
++;; real latency time with taking in order completion into account.
++;; Actually we could define the real latency time by querying reserved
++;; automaton units but the current scheduler uses latency time before
++;; issuing insns and making any reservations.
++;;
++;; So our description is aimed to achieve a insn schedule in which the
++;; insns would not wait in the completion buffer.
++(define_cpu_unit "ppce300c3_retire_0,ppce300c3_retire_1" "ppce300c3_retire")
++
++;; Branch unit:
++(define_cpu_unit "ppce300c3_bu" "ppce300c3_most")
++
++;; IU:
++(define_cpu_unit "ppce300c3_iu0_stage0,ppce300c3_iu1_stage0" "ppce300c3_most")
++
++;; IU: This used to describe non-pipelined division.
++(define_cpu_unit "ppce300c3_mu_div" "ppce300c3_long")
++
++;; SRU:
++(define_cpu_unit "ppce300c3_sru_stage0" "ppce300c3_most")
++
++;; Here we simplified LSU unit description not describing the stages.
++(define_cpu_unit "ppce300c3_lsu" "ppce300c3_most")
++
++;; FPU:
++(define_cpu_unit "ppce300c3_fpu" "ppce300c3_most")
++
++;; The following units are used to make automata deterministic
++(define_cpu_unit "present_ppce300c3_decode_0" "ppce300c3_most")
++(define_cpu_unit "present_ppce300c3_issue_0" "ppce300c3_most")
++(define_cpu_unit "present_ppce300c3_retire_0" "ppce300c3_retire")
++(define_cpu_unit "present_ppce300c3_iu0_stage0" "ppce300c3_most")
++
++;; The following sets to make automata deterministic when option ndfa is used.
++(presence_set "present_ppce300c3_decode_0" "ppce300c3_decode_0")
++(presence_set "present_ppce300c3_issue_0" "ppce300c3_issue_0")
++(presence_set "present_ppce300c3_retire_0" "ppce300c3_retire_0")
++(presence_set "present_ppce300c3_iu0_stage0" "ppce300c3_iu0_stage0")
++
++;; Some useful abbreviations.
++(define_reservation "ppce300c3_decode"
++    "ppce300c3_decode_0|ppce300c3_decode_1+present_ppce300c3_decode_0")
++(define_reservation "ppce300c3_issue"
++    "ppce300c3_issue_0|ppce300c3_issue_1+present_ppce300c3_issue_0")
++(define_reservation "ppce300c3_retire"
++   "ppce300c3_retire_0|ppce300c3_retire_1+present_ppce300c3_retire_0")
++(define_reservation "ppce300c3_iu_stage0"
++   "ppce300c3_iu0_stage0|ppce300c3_iu1_stage0+present_ppce300c3_iu0_stage0")
++
++;; Compares can be executed either one of the IU or SRU
++(define_insn_reservation "ppce300c3_cmp" 1
++  (and (eq_attr "type" "cmp,compare,delayed_compare,fast_compare")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+(ppce300c3_iu_stage0|ppce300c3_sru_stage0) \
++        +ppce300c3_retire")
++
++;; Other one cycle IU insns
++(define_insn_reservation "ppce300c3_iu" 1
++  (and (eq_attr "type" "integer,insert_word")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_iu_stage0+ppce300c3_retire")
++
++;; Branch.  Actually this latency time is not used by the scheduler.
++(define_insn_reservation "ppce300c3_branch" 1
++  (and (eq_attr "type" "jmpreg,branch")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_bu,ppce300c3_retire")
++
++;; Multiply is non-pipelined but can be executed in any IU
++(define_insn_reservation "ppce300c3_multiply" 2
++  (and (eq_attr "type" "imul,imul2,imul3,imul_compare")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_iu_stage0, \
++   ppce300c3_iu_stage0+ppce300c3_retire")
++
++;; Divide.  We use the average latency time here.  We omit reserving a
++;; retire unit because of the result automata will be huge.
++(define_insn_reservation "ppce300c3_divide" 20
++  (and (eq_attr "type" "idiv")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_iu_stage0+ppce300c3_mu_div,\
++   ppce300c3_mu_div*19")
++
++;; CR logical
++(define_insn_reservation "ppce300c3_cr_logical" 1
++  (and (eq_attr "type" "cr_logical,delayed_cr")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
++
++;; Mfcr
++(define_insn_reservation "ppce300c3_mfcr" 1
++  (and (eq_attr "type" "mfcr")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
++
++;; Mtcrf
++(define_insn_reservation "ppce300c3_mtcrf" 1
++  (and (eq_attr "type" "mtcr")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
++
++;; Mtjmpr
++(define_insn_reservation "ppce300c3_mtjmpr" 1
++  (and (eq_attr "type" "mtjmpr,mfjmpr")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_sru_stage0+ppce300c3_retire")
++
++;; Float point instructions
++(define_insn_reservation "ppce300c3_fpcompare" 3
++  (and (eq_attr "type" "fpcompare")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,nothing,ppce300c3_retire")
++
++(define_insn_reservation "ppce300c3_fp" 3
++  (and (eq_attr "type" "fp")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,nothing,ppce300c3_retire")
++
++(define_insn_reservation "ppce300c3_dmul" 4
++  (and (eq_attr "type" "dmul")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,ppce300c3_fpu,nothing,ppce300c3_retire")
++
++; Divides are not pipelined
++(define_insn_reservation "ppce300c3_sdiv" 18
++  (and (eq_attr "type" "sdiv")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,ppce300c3_fpu*17")
++
++(define_insn_reservation "ppce300c3_ddiv" 33
++  (and (eq_attr "type" "ddiv")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_fpu,ppce300c3_fpu*32")
++
++;; Loads
++(define_insn_reservation "ppce300c3_load" 2
++  (and (eq_attr "type" "load,load_ext,load_ext_u,load_ext_ux,load_ux,load_u")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
++
++(define_insn_reservation "ppce300c3_fpload" 2
++  (and (eq_attr "type" "fpload,fpload_ux,fpload_u")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
++
++;; Stores.
++(define_insn_reservation "ppce300c3_store" 2
++  (and (eq_attr "type" "store,store_ux,store_u")
++       (ior (eq_attr "cpu" "ppce300c2") (eq_attr "cpu" "ppce300c3")))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
++
++(define_insn_reservation "ppce300c3_fpstore" 2
++  (and (eq_attr "type" "fpstore,fpstore_ux,fpstore_u")
++       (eq_attr "cpu" "ppce300c3"))
++  "ppce300c3_decode,ppce300c3_issue+ppce300c3_lsu,ppce300c3_retire")
+Index: gcc-4.1.2/gcc/config/rs6000/rs6000.c
+===================================================================
+--- gcc-4.1.2.orig/gcc/config/rs6000/rs6000.c	2006-12-16 20:24:56.000000000 +0100
++++ gcc-4.1.2/gcc/config/rs6000/rs6000.c	2007-10-18 15:34:26.000000000 +0200
+@@ -557,6 +557,21 @@
+   COSTS_N_INSNS (29),   /* ddiv */
+ };
+ 
++/* Instruction costs on E300C2 and E300C3 cores.  */
++static const
++struct processor_costs ppce300c2c3_cost = {
++  COSTS_N_INSNS (4),    /* mulsi */
++  COSTS_N_INSNS (4),    /* mulsi_const */
++  COSTS_N_INSNS (4),    /* mulsi_const9 */
++  COSTS_N_INSNS (4),    /* muldi */
++  COSTS_N_INSNS (19),   /* divsi */
++  COSTS_N_INSNS (19),   /* divdi */
++  COSTS_N_INSNS (3),    /* fp */
++  COSTS_N_INSNS (4),    /* dmul */
++  COSTS_N_INSNS (18),   /* sdiv */
++  COSTS_N_INSNS (33),   /* ddiv */
++};
++
+ /* Instruction costs on POWER4 and POWER5 processors.  */
+ static const
+ struct processor_costs power4_cost = {
+@@ -1140,6 +1155,8 @@
+ 	 /* 8548 has a dummy entry for now.  */
+ 	 {"8548", PROCESSOR_PPC8540,
+ 	  POWERPC_BASE_MASK | MASK_PPC_GFXOPT | MASK_STRICT_ALIGN},
++ 	 {"e300c2", PROCESSOR_PPCE300C2, POWERPC_BASE_MASK | MASK_SOFT_FLOAT},
++ 	 {"e300c3", PROCESSOR_PPCE300C3, POWERPC_BASE_MASK},
+ 	 {"860", PROCESSOR_MPCCORE, POWERPC_BASE_MASK | MASK_SOFT_FLOAT},
+ 	 {"970", PROCESSOR_POWER4,
+ 	  POWERPC_7400_MASK | MASK_PPC_GPOPT | MASK_MFCRF | MASK_POWERPC64},
+@@ -1529,6 +1546,11 @@
+ 	rs6000_cost = &ppc8540_cost;
+ 	break;
+ 
++      case PROCESSOR_PPCE300C2:
++      case PROCESSOR_PPCE300C3:
++	rs6000_cost = &ppce300c2c3_cost;
++	break;
++
+       case PROCESSOR_POWER4:
+       case PROCESSOR_POWER5:
+ 	rs6000_cost = &power4_cost;
+@@ -16647,6 +16669,8 @@
+   case CPU_PPC750:
+   case CPU_PPC7400:
+   case CPU_PPC8540:
++  case CPU_PPCE300C2:
++  case CPU_PPCE300C3:
+     return 2;
+   case CPU_RIOS2:
+   case CPU_PPC604:
+Index: gcc-4.1.2/gcc/config/rs6000/rs6000.h
+===================================================================
+--- gcc-4.1.2.orig/gcc/config/rs6000/rs6000.h	2006-11-18 01:25:49.000000000 +0100
++++ gcc-4.1.2/gcc/config/rs6000/rs6000.h	2007-10-18 15:32:51.000000000 +0200
+@@ -111,6 +111,8 @@
+ %{mcpu=970: -mpower4 -maltivec} \
+ %{mcpu=G5: -mpower4 -maltivec} \
+ %{mcpu=8540: -me500} \
++%{mcpu=e300c2: -mppc} \
++%{mcpu=e300c3: -mppc -mpmr} \
+ %{maltivec: -maltivec} \
+ -many"
+ 
+@@ -211,6 +213,8 @@
+    PROCESSOR_PPC7400,
+    PROCESSOR_PPC7450,
+    PROCESSOR_PPC8540,
++   PROCESSOR_PPCE300C2,
++   PROCESSOR_PPCE300C3,
+    PROCESSOR_POWER4,
+    PROCESSOR_POWER5
+ };
+Index: gcc-4.1.2/gcc/config/rs6000/rs6000.md
+===================================================================
+--- gcc-4.1.2.orig/gcc/config/rs6000/rs6000.md	2006-12-16 20:24:56.000000000 +0100
++++ gcc-4.1.2/gcc/config/rs6000/rs6000.md	2007-10-18 15:32:51.000000000 +0200
+@@ -103,7 +103,7 @@
+ ;; Processor type -- this attribute must exactly match the processor_type
+ ;; enumeration in rs6000.h.
+ 
+-(define_attr "cpu" "rios1,rios2,rs64a,mpccore,ppc403,ppc405,ppc440,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc630,ppc750,ppc7400,ppc7450,ppc8540,power4,power5"
++(define_attr "cpu" "rios1,rios2,rs64a,mpccore,ppc403,ppc405,ppc440,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc630,ppc750,ppc7400,ppc7450,ppc8540,ppce300c2,ppce300c3,power4,power5"
+   (const (symbol_ref "rs6000_cpu_attr")))
+ 
+ (automata_option "ndfa")
+@@ -119,6 +119,7 @@
+ (include "7xx.md")
+ (include "7450.md")
+ (include "8540.md")
++(include "e300c2c3.md")
+ (include "power4.md")
+ (include "power5.md")
+ 
+Index: gcc-4.1.2/gcc/config.gcc
+===================================================================
+--- gcc-4.1.2.orig/gcc/config.gcc	2007-10-18 15:26:23.000000000 +0200
++++ gcc-4.1.2/gcc/config.gcc	2007-10-18 15:32:51.000000000 +0200
+@@ -2710,7 +2710,7 @@
+ 			| rios | rios1 | rios2 | rsc | rsc1 | rs64a \
+ 			| 401 | 403 | 405 | 405fp | 440 | 440fp | 505 \
+ 			| 601 | 602 | 603 | 603e | ec603e | 604 \
+-			| 604e | 620 | 630 | 740 | 750 | 7400 | 7450 \
++			| 604e | 620 | 630 | 740 | 750 | 7400 | 7450 | e300c[23] \
+ 			| 854[08] | 801 | 821 | 823 | 860 | 970 | G3 | G4 | G5)
+ 				# OK
+ 				;;