[llvm] r185564 - [PowerPC] Support lmw/stmw in the asm parser

[Ulrich Weigand]

Author: uweigand
Date: Wed Jul  3 13:29:47 2013
New Revision: 185564

URL: http://llvm.org/viewvc/llvm-project?rev=185564&view=rev
Log:

[PowerPC] Support lmw/stmw in the asm parser

This adds support for the load/store multiple instructions,
currently used by the asm parser only.


Modified:
    llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
    llvm/trunk/test/MC/PowerPC/ppc64-encoding.s

Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td?rev=185564&r1=185563&r2=185564&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td Wed Jul  3 13:29:47 2013
@@ -1378,6 +1378,10 @@ def LFIWZX : XForm_25<31, 887, (outs f8r
                       [(set f64:$frD, (PPClfiwzx xoaddr:$src))]>;
 }
 
+// Load Multiple
+def LMW : DForm_1<46, (outs gprc:$rD), (ins memri:$src),
+                  "lmw $rD, $src", LdStLMW, []>;
+
 //===----------------------------------------------------------------------===//
 // PPC32 Store Instructions.
 //
@@ -1508,6 +1512,10 @@ def : Pat<(pre_store f32:$rS, iPTR:$ptrr
 def : Pat<(pre_store f64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
           (STFDUX $rS, $ptrreg, $ptroff)>;
 
+// Store Multiple
+def STMW : DForm_1<47, (outs), (ins gprc:$rS, memri:$dst),
+                   "stmw $rS, $dst", LdStLMW, []>;
+
 def SYNC : XForm_24_sync<31, 598, (outs), (ins i32imm:$L),
                         "sync $L", LdStSync, []>;
 def : Pat<(int_ppc_sync), (SYNC 0)>;

Modified: llvm/trunk/test/MC/PowerPC/ppc64-encoding.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/PowerPC/ppc64-encoding.s?rev=185564&r1=185563&r2=185564&view=diff
==============================================================================
--- llvm/trunk/test/MC/PowerPC/ppc64-encoding.s (original)
+++ llvm/trunk/test/MC/PowerPC/ppc64-encoding.s Wed Jul  3 13:29:47 2013
@@ -177,7 +177,12 @@
 # CHECK: stdbrx 2, 3, 4                  # encoding: [0x7c,0x43,0x25,0x28]
          stdbrx 2, 3, 4
 
-# FIXME: Fixed-point load and store multiple instructions
+# Fixed-point load and store multiple instructions
+
+# CHECK: lmw 2, 128(1)                   # encoding: [0xb8,0x41,0x00,0x80]
+         lmw 2, 128(1)
+# CHECK: stmw 2, 128(1)                  # encoding: [0xbc,0x41,0x00,0x80]
+         stmw 2, 128(1)
 
 # FIXME: Fixed-point move assist instructions