From: Kai Nacke <kai.nacke@redstar.de>
Date: Wed, 10 Sep 2014 06:10:24 +0000 (+0000)
Subject: [MIPS] Add aliases for sync instruction used by Octeon CPU
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5672e68951c3f866d76fd92ddf1640eadc28f50f;p=oota-llvm.git

[MIPS] Add aliases for sync instruction used by Octeon CPU

This commit adds aliases for the sync instruction (synciobdma,
syncs, syncw, syncws) which are used by the Octeon CPU.

Reviewed by D. Sanders

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217477 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index f0b6814e37c..e169f0b17dc 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -510,3 +510,9 @@ def : MipsInstAlias<"dmtc0 $rt, $rd", (DMTC0 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0
 def : MipsInstAlias<"dmfc2 $rt, $rd", (DMFC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
 def : MipsInstAlias<"dmtc2 $rt, $rd", (DMTC2 GPR64Opnd:$rt, GPR64Opnd:$rd, 0), 0>;
 
+let Predicates = [HasMips64, HasCnMips] in {
+def : MipsInstAlias<"synciobdma", (SYNC 0x2), 0>;
+def : MipsInstAlias<"syncs",      (SYNC 0x6), 0>;
+def : MipsInstAlias<"syncw",      (SYNC 0x4), 0>;
+def : MipsInstAlias<"syncws",     (SYNC 0x5), 0>;
+}
diff --git a/test/MC/Mips/octeon-instructions.s b/test/MC/Mips/octeon-instructions.s
index b7c89b47f87..2922744c907 100644
--- a/test/MC/Mips/octeon-instructions.s
+++ b/test/MC/Mips/octeon-instructions.s
@@ -35,6 +35,10 @@
 # CHECK: sne   $23, $23, $20          # encoding: [0x72,0xf4,0xb8,0x2b]
 # CHECK: snei  $4, $16, -313          # encoding: [0x72,0x04,0xb1,0xef]
 # CHECK: snei  $26, $26, 511          # encoding: [0x73,0x5a,0x7f,0xef]
+# CHECK: sync  2                      # encoding: [0x00,0x00,0x00,0x8f]
+# CHECK: sync  6                      # encoding: [0x00,0x00,0x01,0x8f]
+# CHECK: sync  4                      # encoding: [0x00,0x00,0x01,0x0f]
+# CHECK: sync  5                      # encoding: [0x00,0x00,0x01,0x4f]
 # CHECK: v3mulu $21, $10, $21         # encoding: [0x71,0x55,0xa8,0x11]
 # CHECK: v3mulu $20, $20, $10         # encoding: [0x72,0x8a,0xa0,0x11]
 # CHECK: vmm0  $3, $19, $16           # encoding: [0x72,0x70,0x18,0x10]
@@ -77,6 +81,10 @@
   sne   $23, $20
   snei  $4, $16, -313
   snei  $26, 511
+  synciobdma
+  syncs
+  syncw
+  syncws
   v3mulu $21, $10, $21
   v3mulu $20, $10
   vmm0  $3, $19, $16