invoke.texi: Document -march=xlr.

gcc/
2008-06-05  Sandip Matte  <sandip@rmicorp.com>

	* doc/invoke.texi: Document -march=xlr.
	* config/mips/xlr.md: New file.
	* config/mips/mips.md: Include it.
	(cpu): Add "xlr".
	* config/mips/mips.h (PROCESSOR_XLR): New processor_type.
	* config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
	(mips_rtx_cost_data): Likewise.

From-SVN: r136438

gcc/ChangeLog

+2008-06-06  Sandip Matte  <sandip@rmicorp.com>
+
+	* doc/invoke.texi: Document -march=xlr.
+	* config/mips/xlr.md: New file.
+	* config/mips/mips.md: Include it.
+	(cpu): Add "xlr".
+	* config/mips/mips.h (PROCESSOR_XLR): New processor_type.
+	* config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
+	(mips_rtx_cost_data): Likewise.
+
 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
 
 	* config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove

gcc/config/mips/mips.c

@@ -645,6 +645,7 @@ static const struct mips_cpu_info mips_cpu_info_table[] = {
   { "sb1", PROCESSOR_SB1, 64, PTF_AVOID_BRANCHLIKELY },
   { "sb1a", PROCESSOR_SB1A, 64, PTF_AVOID_BRANCHLIKELY },
   { "sr71000", PROCESSOR_SR71000, 64, PTF_AVOID_BRANCHLIKELY },
+  { "xlr", PROCESSOR_XLR, 64, 0 }
 };
 
 /* Default costs.  If these are used for a processor we should look
@@ -1015,6 +1016,21 @@ static const struct mips_rtx_cost_data mips_rtx_cost_data[PROCESSOR_MAX] = {
   { /* SR71000 */
     DEFAULT_COSTS
   },
+  { /* XLR */
+    /* Need to replace first five with the costs of calling the appropriate 
+       libgcc routine.  */
+    COSTS_N_INSNS (256),          /* fp_add */
+    COSTS_N_INSNS (256),          /* fp_mult_sf */
+    COSTS_N_INSNS (256),          /* fp_mult_df */
+    COSTS_N_INSNS (256),          /* fp_div_sf */
+    COSTS_N_INSNS (256),          /* fp_div_df */
+    COSTS_N_INSNS (8),            /* int_mult_si */
+    COSTS_N_INSNS (8),            /* int_mult_di */
+    COSTS_N_INSNS (72),           /* int_div_si */
+    COSTS_N_INSNS (72),           /* int_div_di */
+		     1,           /* branch_cost */
+		     4            /* memory_latency */
+  }
 };
 
 /* This hash table keeps track of implicit "mips16" and "nomips16" attributes

gcc/config/mips/mips.h

@@ -69,6 +69,7 @@ enum processor_type {
   PROCESSOR_SB1,
   PROCESSOR_SB1A,
   PROCESSOR_SR71000,
+  PROCESSOR_XLR,
   PROCESSOR_MAX
 };
 

gcc/config/mips/mips.md

@@ -415,7 +415,7 @@
 ;; Attribute describing the processor.  This attribute must match exactly
 ;; with the processor_type enumeration in mips.h.
 (define_attr "cpu"
-  "r3000,4kc,4kp,5kc,5kf,20kc,24kc,24kf2_1,24kf1_1,74kc,74kf2_1,74kf1_1,74kf3_2,loongson2e,loongson2f,m4k,r3900,r6000,r4000,r4100,r4111,r4120,r4130,r4300,r4600,r4650,r5000,r5400,r5500,r7000,r8000,r9000,sb1,sb1a,sr71000"
+  "r3000,4kc,4kp,5kc,5kf,20kc,24kc,24kf2_1,24kf1_1,74kc,74kf2_1,74kf1_1,74kf3_2,loongson2e,loongson2f,m4k,r3900,r6000,r4000,r4100,r4111,r4120,r4130,r4300,r4600,r4650,r5000,r5400,r5500,r7000,r8000,r9000,sb1,sb1a,sr71000,xlr"
   (const (symbol_ref "mips_tune")))
 
 ;; The type of hardware hazard associated with this instruction.
@@ -748,6 +748,7 @@
 (include "9000.md")
 (include "sb1.md")
 (include "sr71k.md")
+(include "xlr.md")
 (include "generic.md")
 
 ;;

gcc/config/mips/xlr.md

+;; DFA-based pipeline description for the XLR.
+;;   Copyright (C) 2008 Free Software Foundation, Inc.
+;;
+;; xlr.md   Machine Description for the RMI XLR Microprocessor
+;; 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/>.
+
+(define_automaton "xlr_main,xlr_muldiv")
+
+;; Definitions for xlr_main automaton.
+(define_cpu_unit "xlr_main_pipe" "xlr_main")
+
+(define_insn_reservation "ir_xlr_alu_slt" 2
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "slt"))
+  "xlr_main_pipe")
+
+;; Integer arithmetic instructions.
+(define_insn_reservation "ir_xlr_alu" 1
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "arith,shift,clz,const,unknown,multi,nop,trap"))
+  "xlr_main_pipe")
+
+;; Integer arithmetic instructions.
+(define_insn_reservation "ir_xlr_condmove" 2
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "condmove"))
+  "xlr_main_pipe")
+
+;; Load/store instructions.
+(define_insn_reservation "ir_xlr_load" 4
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "load"))
+  "xlr_main_pipe")
+
+(define_insn_reservation "ir_xlr_store" 1
+  (and  (eq_attr "cpu" "xlr") 
+        (eq_attr "type" "store"))
+  "xlr_main_pipe")
+
+(define_insn_reservation "ir_xlr_prefetch_x" 1
+  (and (eq_attr "cpu" "xlr")
+       (eq_attr "type" "prefetch,prefetchx"))
+  "xlr_main_pipe")
+
+;; Branch instructions - use branch misprediction latency.
+(define_insn_reservation "ir_xlr_branch" 1
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "branch,jump,call"))
+  "xlr_main_pipe")
+
+;; Coprocessor move instructions.
+(define_insn_reservation "ir_xlr_xfer" 2
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "mtc,mfc"))
+  "xlr_main_pipe")
+
+(define_bypass 5 "ir_xlr_xfer" "ir_xlr_xfer")
+
+;; Definitions for the xlr_muldiv automaton.
+(define_cpu_unit "xlr_imuldiv_nopipe" "xlr_muldiv")
+
+(define_insn_reservation "ir_xlr_imul" 8
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "imul,imul3,imadd"))
+  "xlr_main_pipe,xlr_imuldiv_nopipe*6")
+
+(define_insn_reservation "ir_xlr_div" 68
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "idiv"))
+  "xlr_main_pipe,xlr_imuldiv_nopipe*67")
+
+(define_insn_reservation "xlr_hilo" 2
+  (and (eq_attr "cpu" "xlr") 
+       (eq_attr "type" "mfhilo,mthilo"))
+  "xlr_imuldiv_nopipe")

gcc/doc/invoke.texi

@@ -11987,7 +11987,8 @@ The processor names are:
 @samp{sb1},
 @samp{sr71000},
 @samp{vr4100}, @samp{vr4111}, @samp{vr4120}, @samp{vr4130}, @samp{vr4300},
-@samp{vr5000}, @samp{vr5400} and @samp{vr5500}.
+@samp{vr5000}, @samp{vr5400}, @samp{vr5500}
+and @samp{xlr}.
 The special value @samp{from-abi} selects the
 most compatible architecture for the selected ABI (that is,
 @samp{mips1} for 32-bit ABIs and @samp{mips3} for 64-bit ABIs)@.