[llvm-commits] [llvm] r139251 - in /llvm/trunk: lib/Target/ARM/ARMInstrInfo.td test/MC/ARM/basic-thumb2-instructions.s

[Jim Grosbach]

Author: grosbach
Date: Wed Sep  7 14:57:53 2011
New Revision: 139251

URL: http://llvm.org/viewvc/llvm-project?rev=139251&view=rev
Log:
Thumb2 parsing and encoding for LDMDB.

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
    llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s

Modified: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrInfo.td?rev=139251&r1=139250&r2=139251&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Wed Sep  7 14:57:53 2011
@@ -4907,6 +4907,7 @@
 // Load / Store Multiple
 def : MnemonicAlias<"ldmfd", "ldm">;
 def : MnemonicAlias<"ldmia", "ldm">;
+def : MnemonicAlias<"ldmea", "ldmdb">;
 def : MnemonicAlias<"stmfd", "stmdb">;
 def : MnemonicAlias<"stmia", "stm">;
 def : MnemonicAlias<"stmea", "stm">;

Modified: llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s?rev=139251&r1=139250&r2=139251&view=diff
==============================================================================
--- llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s (original)
+++ llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s Wed Sep  7 14:57:53 2011
@@ -501,6 +501,20 @@
 
 
 @------------------------------------------------------------------------------
+@ LDMDB
+ at ------------------------------------------------------------------------------
+        ldmdb r4, {r4, r5, r8, r9}
+        ldmdb r4, {r5, r6}
+        ldmdb r5!, {r3, r8}
+        ldmea r5!, {r3, r8}
+
+@ CHECK: ldmdb	r4, {r4, r5, r8, r9}    @ encoding: [0x14,0xe9,0x30,0x03]
+@ CHECK: ldmdb	r4, {r5, r6}            @ encoding: [0x14,0xe9,0x60,0x00]
+@ CHECK: ldmdb	r5!, {r3, r8}           @ encoding: [0x35,0xe9,0x08,0x01]
+@ CHECK: ldmdb	r5!, {r3, r8}           @ encoding: [0x35,0xe9,0x08,0x01]
+
+
+ at ------------------------------------------------------------------------------
 @ IT
 @------------------------------------------------------------------------------
 @ Test encodings of a few full IT blocks, not just the IT instruction