[AArch64] Add support for NEON scalar integer compare instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192596 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 200 insertions, 0 deletions

diff --git a/test/MC/AArch64/neon-diagnostics.s b/test/MC/AArch64/neon-diagnostics.s
index 2af7798..e08c5cd 100644
--- a/test/MC/AArch64/neon-diagnostics.s
+++ b/test/MC/AArch64/neon-diagnostics.s
@@ -4286,3 +4286,113 @@
 // CHECK-ERROR         dup v5.2d, w0
 // CHECK-ERROR                    ^
 
+//----------------------------------------------------------------------
+// Scalar Compare Bitwise Equal
+//----------------------------------------------------------------------
+
+         cmeq b20, d21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmeq b20, d21, d22
+// CHECK-ERROR:               ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Bitwise Equal To Zero
+//----------------------------------------------------------------------
+
+         cmeq d20, b21, #0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmeq d20, b21, #0
+// CHECK-ERROR:                    ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Unsigned Higher Or Same
+//----------------------------------------------------------------------
+
+         cmhs b20, d21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmhs b20, d21, d22
+// CHECK-ERROR:               ^
+
+        
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greather Than Or Equal
+//----------------------------------------------------------------------
+
+         cmge b20, d21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmge b20, d21, d22
+// CHECK-ERROR:               ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greather Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         cmge d20, b21, #0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmge d20, b21, #0
+// CHECK-ERROR:                    ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Unsigned Higher
+//----------------------------------------------------------------------
+
+         cmhi b20, d21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmhi b20, d21, d22
+// CHECK-ERROR:               ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greater Than
+//----------------------------------------------------------------------
+
+         cmgt b20, d21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmgt b20, d21, d22
+// CHECK-ERROR:               ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greater Than Zero
+//----------------------------------------------------------------------
+
+         cmgt d20, b21, #0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmgt d20, b21, #0
+// CHECK-ERROR:                    ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Less Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         cmle d20, b21, #0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmle d20, b21, #0
+// CHECK-ERROR:                    ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Less Than Zero
+//----------------------------------------------------------------------
+
+         cmlt d20, b21, #0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmlt d20, b21, #0
+// CHECK-ERROR:                    ^
+
+//----------------------------------------------------------------------
+// Scalar Compare Bitwise Test Bits
+//----------------------------------------------------------------------
+
+         cmtst b20, d21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          cmtst b20, d21, d22
+// CHECK-ERROR:                ^
diff --git a/test/MC/AArch64/neon-scalar-compare.s b/test/MC/AArch64/neon-scalar-compare.s
new file mode 100644
index 0000000..55ade0e
--- /dev/null
+++ b/test/MC/AArch64/neon-scalar-compare.s
@@ -0,0 +1,90 @@
+// RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+neon -show-encoding < %s | FileCheck %s
+
+// Check that the assembler can handle the documented syntax for AArch64
+
+//----------------------------------------------------------------------
+// Scalar Compare Bitwise Equal
+//----------------------------------------------------------------------
+
+         cmeq d20, d21, d22
+
+// CHECK: cmeq d20, d21, d22   // encoding: [0xb4,0x8e,0xf6,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Bitwise Equal To Zero
+//----------------------------------------------------------------------
+
+         cmeq d20, d21, #0x0
+
+// CHECK: cmeq d20, d21, #0x0   // encoding: [0xb4,0x9a,0xe0,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Unsigned Higher Or Same
+//----------------------------------------------------------------------
+
+         cmhs d20, d21, d22
+
+// CHECK: cmhs d20, d21, d22   // encoding: [0xb4,0x3e,0xf6,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greather Than Or Equal
+//----------------------------------------------------------------------
+
+         cmge d20, d21, d22
+
+// CHECK: cmge d20, d21, d22    // encoding: [0xb4,0x3e,0xf6,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greather Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         cmge d20, d21, #0x0
+
+// CHECK: cmge d20, d21, #0x0   // encoding: [0xb4,0x8a,0xe0,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Unsigned Higher
+//----------------------------------------------------------------------
+
+         cmhi d20, d21, d22
+
+// CHECK: cmhi d20, d21, d22   // encoding: [0xb4,0x36,0xf6,0x7e]
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greater Than
+//----------------------------------------------------------------------
+
+         cmgt d20, d21, d22
+
+// CHECK: cmgt d20, d21, d22   // encoding: [0xb4,0x36,0xf6,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Greater Than Zero
+//----------------------------------------------------------------------
+
+         cmgt d20, d21, #0x0
+
+// CHECK: cmgt d20, d21, #0x0   // encoding: [0xb4,0x8a,0xe0,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Signed Less Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         cmle d20, d21, #0x0
+
+// CHECK: cmle d20, d21, #0x0   // encoding: [0xb4,0x9a,0xe0,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Less Than Zero
+//----------------------------------------------------------------------
+
+         cmlt d20, d21, #0x0
+
+// CHECK: cmlt d20, d21, #0x0   // encoding: [0xb4,0xaa,0xe0,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Compare Bitwise Test Bits
+//----------------------------------------------------------------------
+
+         cmtst d20, d21, d22
+
+// CHECK: cmtst d20, d21, d22   // encoding: [0xb4,0x8e,0xf6,0x5e]