From: Gabe Black <gblack@eecs.umich.edu>
Date: Wed, 2 Jun 2010 17:58:07 +0000 (-0500)
Subject: ARM: Implement the pkh instruction.
X-Git-Tag: stable_2012_02_02~1257
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9ffc5e2ae64017cec061b112f4dc5e5846f44ed7;p=gem5.git

ARM: Implement the pkh instruction.
---

diff --git a/src/arch/arm/isa/insts/data.isa b/src/arch/arm/isa/insts/data.isa
index ee291a1d5..474bd8c4e 100644
--- a/src/arch/arm/isa/insts/data.isa
+++ b/src/arch/arm/isa/insts/data.isa
@@ -792,4 +792,21 @@ let {{
             replaceBits(resTemp, 31, 16, midRes);
             Dest = resTemp;
         ''', flagType="none", buildCc=False)
+
+    buildRegDataInst("pkhbt", '''
+            uint32_t resTemp = 0;
+            uint16_t arg1Low = bits(Op1, 15, 0);
+            uint16_t arg2High = bits(secondOp, 31, 16);
+            replaceBits(resTemp, 15, 0, arg1Low);
+            replaceBits(resTemp, 31, 16, arg2High);
+            Dest = resTemp;
+        ''', flagType="none", buildCc=False)
+    buildRegDataInst("pkhtb", '''
+            uint32_t resTemp = 0;
+            uint16_t arg1High = bits(Op1, 31, 16);
+            uint16_t arg2Low = bits(secondOp, 15, 0);
+            replaceBits(resTemp, 15, 0, arg2Low);
+            replaceBits(resTemp, 31, 16, arg1High);
+            Dest = resTemp;
+        ''', flagType="none", buildCc=False)
 }};