[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 f0b6814e37cc47e37e0bd23e1a9798bcc3ed9310..e169f0b17dc4e2cc86809a8770be91225def4877 100644 (file)
--- 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 b7c89b47f871ef6944b78c38908e0b13836b494b..2922744c907666b927562defb8f9c657825c53b7 100644 (file)
--- 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