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From: "Greta Yorsh" <greta.yorsh@arm.com>
To: "GCC Patches" <gcc-patches@gcc.gnu.org>
Cc: "Richard Earnshaw" <Richard.Earnshaw@arm.com>,	"Ramana Radhakrishnan" <Ramana.Radhakrishnan@arm.com>,	<nickc@redhat.com>,	<paul@codesourcery.com>,	"Greta Yorsh" <Greta.Yorsh@arm.com>
References: <000401cdfb27$da2f1f30$8e8d5d90$@yorsh@arm.com>
In-Reply-To: <000401cdfb27$da2f1f30$8e8d5d90$@yorsh@arm.com>
Subject: [PATCH,ARM][5/5] Cleanup in cortex-a7 pipeline description
Date: Fri, 25 Jan 2013 18:26:00 -0000
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In cortex_a7_idiv, the use of cortex_a7_all reservation can be replaced by
cortex_a7_both, because all other reservations require at least one of
cortex_a7_ex1 or cortex_a7_ex2. Then, remove unused reservation units
cortex_a7_neon and cortex_a7_all.

gcc/

2013-01-03  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/cortex-a7.md (cortex_a7_neon, cortex_a7_all): Remove.
        (cortex_a7_idiv): Use cortex_a7_both instead of cortex_a7_all.=

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diff --git a/gcc/config/arm/cortex-a7.md b/gcc/config/arm/cortex-a7.md
index 8c45cb8..21f84b5 100644
--- a/gcc/config/arm/cortex-a7.md
+++ b/gcc/config/arm/cortex-a7.md
@@ -57,15 +57,6 @@
=20
 (define_cpu_unit "cortex_a7_fp_div_sqrt" "cortex_a7")
=20
-;; Neon pipeline
-(define_cpu_unit "cortex_a7_neon" "cortex_a7")
-
-(define_reservation "cortex_a7_all" "cortex_a7_both+\
-                                     cortex_a7_fpmul_pipe+\
-                                     cortex_a7_fpadd_pipe+\
-                                     cortex_a7_fp_div_sqrt+\
-                                     cortex_a7_neon")
-
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Branches.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -151,7 +142,7 @@
 (define_insn_reservation "cortex_a7_idiv" 5
   (and (eq_attr "tune" "cortexa7")
        (eq_attr "insn" "udiv,sdiv"))
-  "cortex_a7_all*5")
+  "cortex_a7_both*5")
=20
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Load/store instructions.

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