From 3d8814a9bfd7f84093b1475edba7dbd78f4b54e4 Mon Sep 17 00:00:00 2001
From: mdoerr <unknown>
Date: Fri, 25 Nov 2016 11:15:12 -0200
Subject: [PATCH] 8170328: PPC64: Use andis instead of lis/and Reviewed-by:
 goetz, mdoerr Contributed-by: Igor Nunes <igor.nunes@eldorado.org.br>

---
 src/cpu/ppc/vm/ppc.ad | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/cpu/ppc/vm/ppc.ad b/src/cpu/ppc/vm/ppc.ad
index f6bdfe2bb..5d1df9754 100644
--- a/src/cpu/ppc/vm/ppc.ad
+++ b/src/cpu/ppc/vm/ppc.ad
@@ -8889,6 +8889,19 @@ instruct andI_reg_reg(iRegIdst dst, iRegIsrc src1, iRegIsrc src2) %{
   ins_pipe(pipe_class_default);
 %}
 
+// Left shifted Immediate And
+instruct andI_reg_immIhi16(iRegIdst dst, iRegIsrc src1, immIhi16  src2, flagsRegCR0 cr0) %{
+  match(Set dst (AndI src1 src2));
+  effect(KILL cr0);
+  format %{ "ANDIS   $dst, $src1, $src2.hi" %}
+  size(4);
+  ins_encode %{
+    // TODO: PPC port $archOpcode(ppc64Opcode_andis_);
+    __ andis_($dst$$Register, $src1$$Register, (int)((unsigned short)(($src2$$constant & 0xFFFF0000) >> 16)));
+  %}
+  ins_pipe(pipe_class_default);
+%}
+
 // Immediate And
 instruct andI_reg_uimm16(iRegIdst dst, iRegIsrc src1, uimmI16 src2, flagsRegCR0 cr0) %{
   match(Set dst (AndI src1 src2));
-- 
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