* config/rs6000/rs6000-protos.h: Add output_cbranch.

* config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
(print_operand): Delete %t and %T codes.
(output_cbranch): New function.  Support branch prediction.
* config/rs6000/rs6000.md: Use output_cbranch for
conditional branches and returns.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33686 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 11 deletions

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 4573330a820..66a23508cf7 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -13992,11 +13992,7 @@ operands[2] = GEN_INT (INTVAL (operands[1]) >> 32);
   ""
   "*
 {
-  if (get_attr_length (insn) == 8)
-    return \"%C1bc %t1,%j1,%l0\";
-  else
-    return \"%C1bc %T1,%j1,%$+8\;b %l0\";
-
+  return output_cbranch (operands[1], \"%l0\", 0, insn);
 }"
   [(set_attr "type" "branch")])
 
@@ -14009,7 +14005,10 @@ operands[2] = GEN_INT (INTVAL (operands[1]) >> 32);
 		      (return)
 		      (pc)))]
   "direct_return ()"
-  "{%C0bcr|%C0bclr} %t0,%j0"
+  "*
+{
+  return output_cbranch (operands[0], NULL, 0, insn);
+}"
   [(set_attr "type" "branch")
    (set_attr "length" "8")])
 
@@ -14024,10 +14023,7 @@ operands[2] = GEN_INT (INTVAL (operands[1]) >> 32);
   ""
   "*
 {
-  if (get_attr_length (insn) == 8)
-    return \"%C1bc %T1,%j1,%l0\";
-  else
-    return \"%C1bc %t1,%j1,%$+8\;b %l0\";
+  return output_cbranch (operands[1], \"%l0\", 1, insn);
 }"
   [(set_attr "type" "branch")])
 
@@ -14040,7 +14036,10 @@ operands[2] = GEN_INT (INTVAL (operands[1]) >> 32);
 		      (pc)
 		      (return)))]
   "direct_return ()"
-  "{%C0bcr|%C0bclr} %T0,%j0"
+  "*
+{
+  return output_cbranch (operands[0], NULL, 1, insn);
+}"
   [(set_attr "type" "branch")
    (set_attr "length" "8")])