* RE: PING: [PATCH, ARM, iWMMXt][5/5]: pipeline description
@ 2011-07-29 5:13 Xinyu Qi
0 siblings, 0 replies; 5+ messages in thread
From: Xinyu Qi @ 2011-07-29 5:13 UTC (permalink / raw)
To: gcc-patches
Ping.
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01106.html
At 2011-07-14 15:50:55,"Xinyu Qi" <xyqi@marvell.com> wrote:
>
> > 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
^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: PING: [PATCH, ARM, iWMMXt][5/5]: pipeline description
2011-10-20 13:39 ` Ramana Radhakrishnan
@ 2011-12-22 7:56 ` Xinyu Qi
0 siblings, 0 replies; 5+ messages in thread
From: Xinyu Qi @ 2011-12-22 7:56 UTC (permalink / raw)
To: Ramana Radhakrishnan; +Cc: gcc-patches, Richard Earnshaw
[-- Attachment #1: Type: text/plain, Size: 890 bytes --]
At 2011-10-20 20:36:53,"Ramana Radhakrishnan" <ramana.radhakrishnan@linaro.org> wrote:
> On 20 October 2011 08:42, Xinyu Qi <xyqi@marvell.com> wrote:
> > Ping
> >
> > http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01106.html
> > 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 @@
> >+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
> >+;; instructions classes
>
> s/instructions/Instruction.
>
> Otherwise OK.
>
> Ramana
Fix the typo. New diff is attached.
* 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: 7491 bytes --]
Index: gcc/config/arm/t-arm
===================================================================
--- gcc/config/arm/t-arm (revision 182518)
+++ gcc/config/arm/t-arm (working copy)
@@ -50,6 +50,7 @@ MD_INCLUDES= $(srcdir)/config/arm/arm102
$(srcdir)/config/arm/iterators.md \
$(srcdir)/config/arm/iwmmxt.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 \
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"))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; 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")
Index: gcc/config/arm/arm.md
===================================================================
--- gcc/config/arm/arm.md (revision 182518)
+++ gcc/config/arm/arm.md (working copy)
@@ -538,6 +538,7 @@ (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] 5+ messages in thread
* Re: PING: [PATCH, ARM, iWMMXt][5/5]: pipeline description
2011-10-20 8:15 Xinyu Qi
@ 2011-10-20 13:39 ` Ramana Radhakrishnan
2011-12-22 7:56 ` Xinyu Qi
0 siblings, 1 reply; 5+ messages in thread
From: Ramana Radhakrishnan @ 2011-10-20 13:39 UTC (permalink / raw)
To: Xinyu Qi; +Cc: gcc-patches
On 20 October 2011 08:42, Xinyu Qi <xyqi@marvell.com> wrote:
> Ping
>
> http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01106.html
> 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 @@
>+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>+;; instructions classes
s/instructions/Instruction.
Otherwise OK.
Ramana
^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: PING: [PATCH, ARM, iWMMXt][5/5]: pipeline description
@ 2011-10-20 8:15 Xinyu Qi
2011-10-20 13:39 ` Ramana Radhakrishnan
0 siblings, 1 reply; 5+ messages in thread
From: Xinyu Qi @ 2011-10-20 8:15 UTC (permalink / raw)
To: Ramana Radhakrishnan, gcc-patches
Ping
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01106.html
* 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.
^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: PING: [PATCH, ARM, iWMMXt][5/5]: pipeline description
@ 2011-09-26 7:08 Xinyu Qi
0 siblings, 0 replies; 5+ messages in thread
From: Xinyu Qi @ 2011-09-26 7:08 UTC (permalink / raw)
To: Ramana Radhakrishnan; +Cc: gcc-patches
Ping.
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01106.html
* 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.
At 2011-07-29 11:09:37,"Xinyu Qi" <xyqi@marvell.com> wrote: > Ping.
>
> http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01106.html
>
> At 2011-07-14 15:50:55,"Xinyu Qi" <xyqi@marvell.com> wrote:
> >
> > > 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
^ permalink raw reply [flat|nested] 5+ messages in thread
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2011-09-26 7:08 Xinyu Qi
2011-10-20 8:15 Xinyu Qi
2011-10-20 13:39 ` Ramana Radhakrishnan
2011-12-22 7:56 ` Xinyu Qi
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