[llvm-commits] [llvm] r140119 - in /llvm/trunk: lib/Target/ARM/ARMInstrInfo.td test/MC/ARM/basic-thumb2-instructions.s

[Jim Grosbach]

Author: grosbach
Date: Mon Sep 19 19:30:45 2011
New Revision: 140119

URL: http://llvm.org/viewvc/llvm-project?rev=140119&view=rev
Log:
Thumb2 assembly parsing and encoding for USAX.

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=140119&r1=140118&r2=140119&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td Mon Sep 19 19:30:45 2011
@@ -4962,6 +4962,8 @@
 def : MnemonicAlias<"uqaddsubx", "uqasx">;
 // UQSAX == UQSUBADDX
 def : MnemonicAlias<"uqsubaddx", "uqsax">;
+// USAX == USUBADDX
+def : MnemonicAlias<"usubaddx", "usax">;
 
 // LDRSBT/LDRHT/LDRSHT post-index offset if optional.
 // Note that the write-back output register is a dummy operand for MC (it's

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=140119&r1=140118&r2=140119&view=diff
==============================================================================
--- llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s (original)
+++ llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s Mon Sep 19 19:30:45 2011
@@ -2912,3 +2912,21 @@
 
 @ CHECK: usat16	r2, #2, r7              @ encoding: [0xa7,0xf3,0x02,0x02]
 @ CHECK: usat16	r3, #15, r5             @ encoding: [0xa5,0xf3,0x0f,0x03]
+
+
+ at ------------------------------------------------------------------------------
+@ USAX
+ at ------------------------------------------------------------------------------
+        usax r2, r3, r4
+        it ne
+        usaxne r6, r1, r9
+        usubaddx r2, r3, r4
+        it ne
+        usubaddxne r6, r1, r9
+
+@ CHECK: usax	r2, r3, r4              @ encoding: [0xe3,0xfa,0x44,0xf2]
+@ CHECK: it	ne                      @ encoding: [0x18,0xbf]
+@ CHECK: usaxne	r6, r1, r9              @ encoding: [0xe1,0xfa,0x49,0xf6]
+@ CHECK: usax	r2, r3, r4              @ encoding: [0xe3,0xfa,0x44,0xf2]
+@ CHECK: it	ne                      @ encoding: [0x18,0xbf]
+@ CHECK: usaxne	r6, r1, r9              @ encoding: [0xe1,0xfa,0x49,0xf6]