arm.c (cortexa7_younger): Return true for TYPE_CALL.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.c (cortexa7_younger): Return true for TYPE_CALL.
        * config/arm/cortex-a7.md (cortex_a7_call): Update required units.

From-SVN: r195554

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a40f35c..a994755 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>
 
+        * config/arm/arm.c (cortexa7_younger): Return true for TYPE_CALL.
+        * config/arm/cortex-a7.md (cortex_a7_call): Update required units.
+
+2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>
+
         * config/arm/arm-protos.h (arm_mac_accumulator_is_result): New
         declaration.
         * config/arm/arm.c (arm_mac_accumulator_is_result): New function.

diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 0aa24b1..d7877b0 100644 (file)
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -8758,6 +8758,7 @@ cortexa7_younger (FILE *file, int verbose, rtx insn)
     case TYPE_SIMPLE_ALU_IMM:
     case TYPE_SIMPLE_ALU_SHIFT:
     case TYPE_BRANCH:
+    case TYPE_CALL:
       return true;
     default:
       return false;

diff --git a/gcc/config/arm/cortex-a7.md b/gcc/config/arm/cortex-a7.md
index a8d4432..0d249b5 100644 (file)
--- a/gcc/config/arm/cortex-a7.md
+++ b/gcc/config/arm/cortex-a7.md
@@ -80,12 +80,15 @@
             (eq_attr "neon_type" "none")))
   "(cortex_a7_ex2|cortex_a7_ex1)+cortex_a7_branch")
 
-;; A call reserves all issue slots. The result is available the next cycle.
+;; Call cannot dual-issue as an older instruction. It can dual-issue
+;; as a younger instruction, or single-issue.  Call cannot dual-issue
+;; with another branch instruction.  The result is available the next
+;; cycle.
 (define_insn_reservation "cortex_a7_call" 1
   (and (eq_attr "tune" "cortexa7")
        (and (eq_attr "type" "call")
             (eq_attr "neon_type" "none")))
-  "cortex_a7_all")
+  "(cortex_a7_ex2|cortex_a7_both)+cortex_a7_branch")
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; ALU instructions.