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File ibm304071-z10-5 of Package gcc43

From gcc-patches-return-219059-listarch-gcc-patches=gcc dot gnu dot org at gcc dot gnu dot org Wed May 28 14:16:28 2008
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From: "Andreas Krebbel" <Andreas dot Krebbel at de dot ibm dot com>
Date: Wed, 28 May 2008 16:14:55 +0200
To: gcc-patches at gcc dot gnu dot org
Subject: [Committed] S/390: Add the -march=z10/-mtune=z10 options for the new System z10 Enterprise Class Mainframe
Message-ID: <20080528141455.GA17975@homer.boeblingen.de.ibm.com>
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Committed to mainline.

Bye,

-Andreas-

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

* config/s390/s390.c (z10_cost): New cost function for z10.
	(s390_handle_arch_option, override_options): Support
	-march=z10 switch.
	(s390_issue_rate): Adjust issue rate for z10.
	* config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
	(processor_flags): Add PF_Z10.
	(TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
	* config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
	* gcc/config.gcc: Add z10.

Index: gcc/config/s390/s390.c
===================================================================
*** gcc/config/s390/s390.c.orig	2008-05-15 10:27:36.000000000 +0200
--- gcc/config/s390/s390.c	2008-05-27 08:49:56.000000000 +0200
*************** struct processor_costs z9_109_cost = 
*** 188,193 ****
--- 188,225 ----
    COSTS_N_INSNS (24),    /* DSGR */
  };
  
+ static const
+ struct processor_costs z10_cost =
+ {
+   COSTS_N_INSNS (4),     /* M     */
+   COSTS_N_INSNS (2),     /* MGHI  */
+   COSTS_N_INSNS (2),     /* MH    */
+   COSTS_N_INSNS (2),     /* MHI   */
+   COSTS_N_INSNS (4),     /* ML    */
+   COSTS_N_INSNS (4),     /* MR    */
+   COSTS_N_INSNS (5),     /* MS    */
+   COSTS_N_INSNS (6),     /* MSG   */
+   COSTS_N_INSNS (4),     /* MSGF  */
+   COSTS_N_INSNS (4),     /* MSGFR */
+   COSTS_N_INSNS (4),     /* MSGR  */
+   COSTS_N_INSNS (4),     /* MSR   */
+   COSTS_N_INSNS (1),     /* multiplication in DFmode */
+   COSTS_N_INSNS (28),    /* MXBR */
+   COSTS_N_INSNS (130),   /* SQXBR */
+   COSTS_N_INSNS (66),    /* SQDBR */
+   COSTS_N_INSNS (38),    /* SQEBR */
+   COSTS_N_INSNS (1),     /* MADBR */
+   COSTS_N_INSNS (1),     /* MAEBR */
+   COSTS_N_INSNS (60),    /* DXBR */
+   COSTS_N_INSNS (40),    /* DDBR */
+   COSTS_N_INSNS (26),    /* DEBR */
+   COSTS_N_INSNS (30),    /* DLGR */
+   COSTS_N_INSNS (23),    /* DLR */
+   COSTS_N_INSNS (23),    /* DR */
+   COSTS_N_INSNS (24),    /* DSGFR */
+   COSTS_N_INSNS (24),    /* DSGR */
+ };
+ 
  extern int reload_completed;
  
  /* Save information from a "cmpxx" operation until the branch or scc is
*************** s390_handle_arch_option (const char *arg
*** 1365,1370 ****
--- 1397,1404 ----
                                         | PF_LONG_DISPLACEMENT | PF_EXTIMM},
        {"z9-ec", PROCESSOR_2094_Z9_109, PF_IEEE_FLOAT | PF_ZARCH
                               | PF_LONG_DISPLACEMENT | PF_EXTIMM | PF_DFP },
+       {"z10", PROCESSOR_2097_Z10, PF_IEEE_FLOAT | PF_ZARCH
+                              | PF_LONG_DISPLACEMENT | PF_EXTIMM | PF_DFP | PF_Z10},
      };
    size_t i;
  
*************** override_options (void)
*** 1472,1484 ****
      }
  
    /* Set processor cost function.  */
!   if (s390_tune == PROCESSOR_2094_Z9_109)
!     s390_cost = &z9_109_cost;
!   else if (s390_tune == PROCESSOR_2084_Z990)
!     s390_cost = &z990_cost;
!   else
!     s390_cost = &z900_cost;
!   
    if (TARGET_BACKCHAIN && TARGET_PACKED_STACK && TARGET_HARD_FLOAT)
      error ("-mbackchain -mpacked-stack -mhard-float are not supported "
  	   "in combination");
--- 1506,1526 ----
      }
  
    /* Set processor cost function.  */
!   switch (s390_tune)
!     {
!     case PROCESSOR_2084_Z990:
!       s390_cost = &z990_cost;
!       break;
!     case PROCESSOR_2094_Z9_109:
!       s390_cost = &z9_109_cost;
!       break;
!     case PROCESSOR_2097_Z10:
!       s390_cost = &z10_cost;
!       break;
!     default:
!       s390_cost = &z900_cost;
!     }
! 
    if (TARGET_BACKCHAIN && TARGET_PACKED_STACK && TARGET_HARD_FLOAT)
      error ("-mbackchain -mpacked-stack -mhard-float are not supported "
  	   "in combination");
*************** s390_adjust_priority (rtx insn ATTRIBUTE
*** 4930,4939 ****
  static int
  s390_issue_rate (void)
  {
!   if (s390_tune == PROCESSOR_2084_Z990
!       || s390_tune == PROCESSOR_2094_Z9_109)
!     return 3;
!   return 1;
  }
  
  static int
--- 4972,4987 ----
  static int
  s390_issue_rate (void)
  {
!   switch (s390_tune)
!     {
!     case PROCESSOR_2084_Z990:
!     case PROCESSOR_2094_Z9_109:
!       return 3;
!     case PROCESSOR_2097_Z10:
!       return 2;
!     default:
!       return 1;
!     }
  }
  
  static int
Index: gcc/config/s390/s390.h
===================================================================
*** gcc/config/s390/s390.h.orig	2008-05-15 10:27:36.000000000 +0200
--- gcc/config/s390/s390.h	2008-05-27 08:49:56.000000000 +0200
*************** enum processor_type
*** 40,45 ****
--- 40,46 ----
    PROCESSOR_2064_Z900,
    PROCESSOR_2084_Z990,
    PROCESSOR_2094_Z9_109,
+   PROCESSOR_2097_Z10,
    PROCESSOR_max
  };
  
*************** enum processor_flags
*** 51,57 ****
    PF_ZARCH = 2,
    PF_LONG_DISPLACEMENT = 4,
    PF_EXTIMM = 8,
!   PF_DFP = 16
  };
  
  extern enum processor_type s390_tune;
--- 52,59 ----
    PF_ZARCH = 2,
    PF_LONG_DISPLACEMENT = 4,
    PF_EXTIMM = 8,
!   PF_DFP = 16,
!   PF_Z10 = 32
  };
  
  extern enum processor_type s390_tune;
*************** extern enum processor_flags s390_arch_fl
*** 70,75 ****
--- 72,79 ----
   	(s390_arch_flags & PF_EXTIMM)
  #define TARGET_CPU_DFP \
   	(s390_arch_flags & PF_DFP)
+ #define TARGET_CPU_Z10 \
+  	(s390_arch_flags & PF_Z10)
  
  #define TARGET_LONG_DISPLACEMENT \
         (TARGET_ZARCH && TARGET_CPU_LONG_DISPLACEMENT)
*************** extern enum processor_flags s390_arch_fl
*** 77,82 ****
--- 81,88 ----
         (TARGET_ZARCH && TARGET_CPU_EXTIMM)
  #define TARGET_DFP \
         (TARGET_ZARCH && TARGET_CPU_DFP)
+ #define TARGET_Z10 \
+        (TARGET_ZARCH && TARGET_CPU_Z10)
  
  /* Run-time target specification.  */
  
Index: gcc/config/s390/s390.md
===================================================================
*** gcc/config/s390/s390.md.orig	2008-05-27 08:49:36.000000000 +0200
--- gcc/config/s390/s390.md	2008-05-27 08:49:56.000000000 +0200
***************
*** 228,237 ****
  ;; distinguish between g5 and g6, but there are differences between the two
  ;; CPUs could in theory be modeled.
  
! (define_attr "cpu" "g5,g6,z900,z990,z9_109"
    (const (symbol_ref "s390_tune")))
  
! (define_attr "cpu_facility" "standard,ieee,zarch,longdisp,extimm,dfp"
    (const_string "standard"))
  
  (define_attr "enabled" ""
--- 228,237 ----
  ;; distinguish between g5 and g6, but there are differences between the two
  ;; CPUs could in theory be modeled.
  
! (define_attr "cpu" "g5,g6,z900,z990,z9_109,z10"
    (const (symbol_ref "s390_tune")))
  
! (define_attr "cpu_facility" "standard,ieee,zarch,longdisp,extimm,dfp,z10"
    (const_string "standard"))
  
  (define_attr "enabled" ""
***************
*** 256,261 ****
--- 256,265 ----
  
           (and (eq_attr "cpu_facility" "dfp")
  	      (ne (symbol_ref "TARGET_DFP") (const_int 0)))
+ 	 (const_int 1)
+ 
+          (and (eq_attr "cpu_facility" "z10")
+               (ne (symbol_ref "TARGET_Z10") (const_int 0)))
  	 (const_int 1)]
  	(const_int 0)))
  
Index: gcc/config.gcc
===================================================================
*** gcc/config.gcc.orig	2008-05-27 08:40:46.000000000 +0200
--- gcc/config.gcc	2008-05-27 08:49:56.000000000 +0200
*************** case "${target}" in
*** 3182,3188 ****
  		for which in arch tune; do
  			eval "val=\$with_$which"
  			case ${val} in
! 			"" | g5 | g6 | z900 | z990 | z9-109 | z9-ec)
  				# OK
  				;;
  			*)
--- 3182,3188 ----
  		for which in arch tune; do
  			eval "val=\$with_$which"
  			case ${val} in
! 			"" | g5 | g6 | z900 | z990 | z9-109 | z9-ec | z10)
  				# OK
  				;;
  			*)

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