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authorKyrylo Tkachov <kyrylo.tkachov@arm.com>2014-04-04 15:47:45 +0000
committerKyrylo Tkachov <ktkachov@gcc.gnu.org>2014-04-04 15:47:45 +0000
commit094bc2190ac07a4ff00aa1d8a42fca01925bb30c (patch)
tree83ae4ee94304998efc44689b2e28be29a8623ee0 /gcc
parent3fe99aa5ce65c870729c680bdea7534f5bac0603 (diff)
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[ARM/AArch64] Reduce divider reservation duration in Cortex-A53 pipeline decription
PR bootstrap/60743 * config/arm/cortex-a53.md (cortex_a53_fdivs): Reduce reservation duration. (cortex_a53_fdivd): Likewise. From-SVN: r209119
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/arm/cortex-a53.md4
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 851cee7..942b011 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2014-04-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ PR bootstrap/60743
+ * config/arm/cortex-a53.md (cortex_a53_fdivs): Reduce reservation
+ duration.
+ (cortex_a53_fdivd): Likewise.
+
2014-04-04 Martin Jambor <mjambor@suse.cz>
PR ipa/60640
diff --git a/gcc/config/arm/cortex-a53.md b/gcc/config/arm/cortex-a53.md
index b131c81..a629bd6 100644
--- a/gcc/config/arm/cortex-a53.md
+++ b/gcc/config/arm/cortex-a53.md
@@ -245,12 +245,12 @@
(define_insn_reservation "cortex_a53_fdivs" 14
(and (eq_attr "tune" "cortexa53")
(eq_attr "type" "fdivs, fsqrts"))
- "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 13")
+ "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 5")
(define_insn_reservation "cortex_a53_fdivd" 29
(and (eq_attr "tune" "cortexa53")
(eq_attr "type" "fdivd, fsqrtd"))
- "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 28")
+ "cortex_a53_slot0, cortex_a53_fp_div_sqrt * 8")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ARMv8-A Cryptographic extensions.