* RE: [PATCH, ARM, iWMMXt][5/5]: pipeline description
@ 2011-07-14 9:10 Xinyu Qi
0 siblings, 0 replies; 4+ messages in thread
From: Xinyu Qi @ 2011-07-14 9:10 UTC (permalink / raw)
To: gcc-patches
[-- Attachment #1: Type: text/plain, Size: 239 bytes --]
> Hi,
>
> It is the fifth part of iWMMXt maintenance.
>
*config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md.
*config/arm/marvell-f-iwmmxt.md: New file.
*config/arm/arm.md (marvell-f-iwmmxt.md): Include.
Thanks,
Xinyu
[-- Attachment #2: 5_pipeline.diff --]
[-- Type: application/octet-stream, Size: 7520 bytes --]
Index: gcc/config/arm/t-arm
===================================================================
--- gcc/config/arm/t-arm (revision 175285)
+++ gcc/config/arm/t-arm (working copy)
@@ -30,6 +30,7 @@ MD_INCLUDES= $(srcdir)/config/arm/arm-t
$(srcdir)/config/arm/fa626te.md \
$(srcdir)/config/arm/fmp626.md \
$(srcdir)/config/arm/fa726te.md \
+ $(srcdir)/config/arm/marvell-f-iwmmxt.md \
$(srcdir)/config/arm/arm926ejs.md \
$(srcdir)/config/arm/cirrus.md \
$(srcdir)/config/arm/fpa.md \
Index: gcc/config/arm/marvell-f-iwmmxt.md
===================================================================
--- gcc/config/arm/marvell-f-iwmmxt.md (revision 0)
+++ gcc/config/arm/marvell-f-iwmmxt.md (revision 0)
@@ -0,0 +1,179 @@
+;; Marvell WMMX2 pipeline description
+;; Copyright (C) 2011 Free Software Foundation, Inc.
+;; Written by Marvell, 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 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 "marvell_f_iwmmxt")
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Pipelines
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; This is a 7-stage pipelines:
+;;
+;; MD | MI | ME1 | ME2 | ME3 | ME4 | MW
+;;
+;; There are various bypasses modelled to a greater or lesser extent.
+;;
+;; Latencies in this file correspond to the number of cycles after
+;; the issue stage that it takes for the result of the instruction to
+;; be computed, or for its side-effects to occur.
+
+(define_cpu_unit "mf_iwmmxt_MD" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_MI" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME1" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME2" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME3" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME4" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_MW" "marvell_f_iwmmxt")
+
+(define_reservation "mf_iwmmxt_ME"
+ "mf_iwmmxt_ME1,mf_iwmmxt_ME2,mf_iwmmxt_ME3,mf_iwmmxt_ME4"
+)
+
+(define_reservation "mf_iwmmxt_pipeline"
+ "mf_iwmmxt_MD, mf_iwmmxt_MI, mf_iwmmxt_ME, mf_iwmmxt_MW"
+)
+
+;; An attribute to indicate whether our reservations are applicable.
+(define_attr "marvell_f_iwmmxt" "yes,no"
+ (const (if_then_else (symbol_ref "arm_arch_iwmmxt")
+ (const_string "yes") (const_string "no"))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; instructions classes
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; An attribute appended to instructions for classification
+
+(define_attr "wmmxt_shift" "yes,no"
+ (if_then_else (eq_attr "wtype" "wror, wsll, wsra, wsrl")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_pack" "yes,no"
+ (if_then_else (eq_attr "wtype" "waligni, walignr, wmerge, wpack, wshufh, wunpckeh, wunpckih, wunpckel, wunpckil")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_mult_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "wmac, wmadd, wmiaxy, wmiawxy, wmulw, wqmiaxy, wqmulwm")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_mult_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "wmul, wqmulm")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "wabs, wabsdiff, wand, wandn, wmov, wor, wxor")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "wacc, wadd, waddsubhx, wavg2, wavg4, wcmpeq, wcmpgt, wmax, wmin, wsub, waddbhus, wsubaddhx")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c3" "yes,no"
+ (if_then_else (eq_attr "wtype" "wsad")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "tbcst, tinsr, tmcr, tmcrr")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "tandc, textrc, textrm, tmovmsk, tmrc, tmrrc, torc, torvsc")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c3" "yes,no"
+ (if_then_else (eq_attr "wtype" "tmia, tmiaph, tmiaxy")
+ (const_string "yes") (const_string "no"))
+)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Main description
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c1" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_pack" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_pack" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_shift" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_shift" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c1" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c2" 5
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c2" 2
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c3" 3
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c3" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c3" 4
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c3" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_mult_c1" 4
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_mult_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+;There is a forwarding path from ME3 stage
+(define_insn_reservation "marvell_f_iwmmxt_mult_c2" 3
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_mult_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_wstr" 0
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wtype" "wstr"))
+ "mf_iwmmxt_pipeline")
+
+;There is a forwarding path from MW stage
+(define_insn_reservation "marvell_f_iwmmxt_wldr" 5
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wtype" "wldr"))
+ "mf_iwmmxt_pipeline")
Index: gcc/config/arm/arm.md
===================================================================
--- gcc/config/arm/arm.md (revision 175285)
+++ gcc/config/arm/arm.md (working copy)
@@ -517,6 +517,7 @@ (define_attr "generic_vfp" "yes,no"
(const_string "yes")
(const_string "no"))))
+(include "marvell-f-iwmmxt.md")
(include "arm-generic.md")
(include "arm926ejs.md")
(include "arm1020e.md")
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH ARM iWMMXt 5/5] pipeline description
2012-05-29 4:13 [PATCH ARM iWMMXt 0/5] Improve iWMMXt support Matt Turner
@ 2012-05-29 4:14 ` Matt Turner
0 siblings, 0 replies; 4+ messages in thread
From: Matt Turner @ 2012-05-29 4:14 UTC (permalink / raw)
To: gcc-patches
Cc: Ramana Radhakrishnan, Richard Earnshaw, Nick Clifton, Paul Brook,
Xinyu Qi
From: Xinyu Qi <xyqi@marvell.com>
gcc/
* config/arm/t-arm (MD_INCLUDES): Add marvell-f-iwmmxt.md.
* config/arm/marvell-f-iwmmxt.md: New file.
* config/arm/arm.md (marvell-f-iwmmxt.md): Include.
---
gcc/config/arm/arm.md | 1 +
gcc/config/arm/marvell-f-iwmmxt.md | 179 ++++++++++++++++++++++++++++++++++++
gcc/config/arm/t-arm | 1 +
3 files changed, 181 insertions(+), 0 deletions(-)
create mode 100644 gcc/config/arm/marvell-f-iwmmxt.md
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index b0333c2..baa3b7c 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -546,6 +546,7 @@
(const_string "yes")
(const_string "no"))))
+(include "marvell-f-iwmmxt.md")
(include "arm-generic.md")
(include "arm926ejs.md")
(include "arm1020e.md")
diff --git a/gcc/config/arm/marvell-f-iwmmxt.md b/gcc/config/arm/marvell-f-iwmmxt.md
new file mode 100644
index 0000000..fe8e455
--- /dev/null
+++ b/gcc/config/arm/marvell-f-iwmmxt.md
@@ -0,0 +1,179 @@
+;; Marvell WMMX2 pipeline description
+;; Copyright (C) 2011 Free Software Foundation, Inc.
+;; Written by Marvell, 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 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 "marvell_f_iwmmxt")
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Pipelines
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; This is a 7-stage pipelines:
+;;
+;; MD | MI | ME1 | ME2 | ME3 | ME4 | MW
+;;
+;; There are various bypasses modelled to a greater or lesser extent.
+;;
+;; Latencies in this file correspond to the number of cycles after
+;; the issue stage that it takes for the result of the instruction to
+;; be computed, or for its side-effects to occur.
+
+(define_cpu_unit "mf_iwmmxt_MD" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_MI" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME1" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME2" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME3" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME4" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_MW" "marvell_f_iwmmxt")
+
+(define_reservation "mf_iwmmxt_ME"
+ "mf_iwmmxt_ME1,mf_iwmmxt_ME2,mf_iwmmxt_ME3,mf_iwmmxt_ME4"
+)
+
+(define_reservation "mf_iwmmxt_pipeline"
+ "mf_iwmmxt_MD, mf_iwmmxt_MI, mf_iwmmxt_ME, mf_iwmmxt_MW"
+)
+
+;; An attribute to indicate whether our reservations are applicable.
+(define_attr "marvell_f_iwmmxt" "yes,no"
+ (const (if_then_else (symbol_ref "arm_arch_iwmmxt")
+ (const_string "yes") (const_string "no"))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; instruction classes
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; An attribute appended to instructions for classification
+
+(define_attr "wmmxt_shift" "yes,no"
+ (if_then_else (eq_attr "wtype" "wror, wsll, wsra, wsrl")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_pack" "yes,no"
+ (if_then_else (eq_attr "wtype" "waligni, walignr, wmerge, wpack, wshufh, wunpckeh, wunpckih, wunpckel, wunpckil")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_mult_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "wmac, wmadd, wmiaxy, wmiawxy, wmulw, wqmiaxy, wqmulwm")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_mult_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "wmul, wqmulm")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "wabs, wabsdiff, wand, wandn, wmov, wor, wxor")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "wacc, wadd, waddsubhx, wavg2, wavg4, wcmpeq, wcmpgt, wmax, wmin, wsub, waddbhus, wsubaddhx")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c3" "yes,no"
+ (if_then_else (eq_attr "wtype" "wsad")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "tbcst, tinsr, tmcr, tmcrr")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "textrm, tmovmsk, tmrc, tmrrc")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c3" "yes,no"
+ (if_then_else (eq_attr "wtype" "tmia, tmiaph, tmiaxy")
+ (const_string "yes") (const_string "no"))
+)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Main description
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c1" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_pack" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_pack" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_shift" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_shift" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c1" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c2" 5
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c2" 2
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c3" 3
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c3" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c3" 4
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c3" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_mult_c1" 4
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_mult_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+;There is a forwarding path from ME3 stage
+(define_insn_reservation "marvell_f_iwmmxt_mult_c2" 3
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_mult_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_wstr" 0
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wtype" "wstr"))
+ "mf_iwmmxt_pipeline")
+
+;There is a forwarding path from MW stage
+(define_insn_reservation "marvell_f_iwmmxt_wldr" 5
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wtype" "wldr"))
+ "mf_iwmmxt_pipeline")
diff --git a/gcc/config/arm/t-arm b/gcc/config/arm/t-arm
index 83c18f7..30687e1 100644
--- a/gcc/config/arm/t-arm
+++ b/gcc/config/arm/t-arm
@@ -51,6 +51,7 @@ MD_INCLUDES= $(srcdir)/config/arm/arm1020e.md \
$(srcdir)/config/arm/iwmmxt.md \
$(srcdir)/config/arm/iwmmxt2.md \
$(srcdir)/config/arm/ldmstm.md \
+ $(srcdir)/config/arm/marvell-f-iwmmxt.md \
$(srcdir)/config/arm/neon.md \
$(srcdir)/config/arm/predicates.md \
$(srcdir)/config/arm/sync.md \
--
1.7.3.4
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH, ARM, iWMMXt][5/5]: pipeline description
2011-07-06 10:36 [PATCH, ARM, iWMMXt][5/5]: " Xinyu Qi
@ 2011-08-18 2:21 ` Ramana Radhakrishnan
0 siblings, 0 replies; 4+ messages in thread
From: Ramana Radhakrishnan @ 2011-08-18 2:21 UTC (permalink / raw)
To: Xinyu Qi; +Cc: gcc-patches
On 6 July 2011 11:18, Xinyu Qi <xyqi@marvell.com> wrote:
> Hi,
>
> It is the fifth part of iWMMXt maintenance.
>
> *config/arm/marvell-f-iwmmxt.md: New file. Add Marvell WMMX pipeline description.
Needs addition to MD_INCLUDES .
where are you including this file ?
Ramana
>
> Thanks,
> Xinyu
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH, ARM, iWMMXt][5/5]: pipeline description
@ 2011-07-06 10:36 Xinyu Qi
2011-08-18 2:21 ` Ramana Radhakrishnan
0 siblings, 1 reply; 4+ messages in thread
From: Xinyu Qi @ 2011-07-06 10:36 UTC (permalink / raw)
To: gcc-patches
[-- Attachment #1: Type: text/plain, Size: 155 bytes --]
Hi,
It is the fifth part of iWMMXt maintenance.
*config/arm/marvell-f-iwmmxt.md: New file. Add Marvell WMMX pipeline description.
Thanks,
Xinyu
[-- Attachment #2: 5_pipeline.diff --]
[-- Type: application/octet-stream, Size: 6614 bytes --]
Index: gcc/config/arm/marvell-f-iwmmxt.md
===================================================================
--- gcc/config/arm/marvell-f-iwmmxt.md (revision 0)
+++ gcc/config/arm/marvell-f-iwmmxt.md (revision 0)
@@ -0,0 +1,179 @@
+;; Marvell WMMX2 pipeline description
+;; Copyright (C) 2011 Free Software Foundation, Inc.
+;; Written by Marvell, 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 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 "marvell_f_iwmmxt")
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Pipelines
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; This is a 7-stage pipelines:
+;;
+;; MD | MI | ME1 | ME2 | ME3 | ME4 | MW
+;;
+;; There are various bypasses modelled to a greater or lesser extent.
+;;
+;; Latencies in this file correspond to the number of cycles after
+;; the issue stage that it takes for the result of the instruction to
+;; be computed, or for its side-effects to occur.
+
+(define_cpu_unit "mf_iwmmxt_MD" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_MI" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME1" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME2" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME3" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_ME4" "marvell_f_iwmmxt")
+(define_cpu_unit "mf_iwmmxt_MW" "marvell_f_iwmmxt")
+
+(define_reservation "mf_iwmmxt_ME"
+ "mf_iwmmxt_ME1,mf_iwmmxt_ME2,mf_iwmmxt_ME3,mf_iwmmxt_ME4"
+)
+
+(define_reservation "mf_iwmmxt_pipeline"
+ "mf_iwmmxt_MD, mf_iwmmxt_MI, mf_iwmmxt_ME, mf_iwmmxt_MW"
+)
+
+;; An attribute to indicate whether our reservations are applicable.
+(define_attr "marvell_f_iwmmxt" "yes,no"
+ (const (if_then_else (symbol_ref "arm_arch_iwmmxt")
+ (const_string "yes") (const_string "no"))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; instructions classes
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; An attribute appended to instructions for classification
+
+(define_attr "wmmxt_shift" "yes,no"
+ (if_then_else (eq_attr "wtype" "wror, wsll, wsra, wsrl")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_pack" "yes,no"
+ (if_then_else (eq_attr "wtype" "waligni, walignr, wmerge, wpack, wshufh, wunpckeh, wunpckih, wunpckel, wunpckil")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_mult_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "wmac, wmadd, wmiaxy, wmiawxy, wmulw, wqmiaxy, wqmulwm")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_mult_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "wmul, wqmulm")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "wabs, wabsdiff, wand, wandn, wmov, wor, wxor")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "wacc, wadd, waddsubhx, wavg2, wavg4, wcmpeq, wcmpgt, wmax, wmin, wsub, waddbhus, wsubaddhx")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_alu_c3" "yes,no"
+ (if_then_else (eq_attr "wtype" "wsad")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c1" "yes,no"
+ (if_then_else (eq_attr "wtype" "tbcst, tinsr, tmcr, tmcrr")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c2" "yes,no"
+ (if_then_else (eq_attr "wtype" "tandc, textrc, textrm, tmovmsk, tmrc, tmrrc, torc, torvsc")
+ (const_string "yes") (const_string "no"))
+)
+
+(define_attr "wmmxt_transfer_c3" "yes,no"
+ (if_then_else (eq_attr "wtype" "tmia, tmiaph, tmiaxy")
+ (const_string "yes") (const_string "no"))
+)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Main description
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c1" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_pack" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_pack" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_shift" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_shift" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c1" 1
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c2" 5
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c2" 2
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_alu_c3" 3
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_alu_c3" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_transfer_c3" 4
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_transfer_c3" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_mult_c1" 4
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_mult_c1" "yes"))
+ "mf_iwmmxt_pipeline")
+
+;There is a forwarding path from ME3 stage
+(define_insn_reservation "marvell_f_iwmmxt_mult_c2" 3
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wmmxt_mult_c2" "yes"))
+ "mf_iwmmxt_pipeline")
+
+(define_insn_reservation "marvell_f_iwmmxt_wstr" 0
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wtype" "wstr"))
+ "mf_iwmmxt_pipeline")
+
+;There is a forwarding path from MW stage
+(define_insn_reservation "marvell_f_iwmmxt_wldr" 5
+ (and (eq_attr "marvell_f_iwmmxt" "yes")
+ (eq_attr "wtype" "wldr"))
+ "mf_iwmmxt_pipeline")
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-05-29 4:14 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2011-07-14 9:10 [PATCH, ARM, iWMMXt][5/5]: pipeline description Xinyu Qi
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2012-05-29 4:13 [PATCH ARM iWMMXt 0/5] Improve iWMMXt support Matt Turner
2012-05-29 4:14 ` [PATCH ARM iWMMXt 5/5] pipeline description Matt Turner
2011-07-06 10:36 [PATCH, ARM, iWMMXt][5/5]: " Xinyu Qi
2011-08-18 2:21 ` Ramana Radhakrishnan
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