[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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 851cee76ba28a43e84b401ccf0790cbabc95b29e..942b011f0c14108ef078d0cfe51f415fe0d2c466 100644 (file)
--- 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 b131c814d0750ea026a5ff5b8571d901a0b04f7e..a629bd61daebf6263bff47523ef508ac894e4698 100644 (file)
--- 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")
 
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 ;; ARMv8-A Cryptographic extensions.