[AArch64] Add support for NEON scalar floating-point compare instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193691 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 323 insertions, 0 deletions

diff --git a/test/MC/AArch64/neon-diagnostics.s b/test/MC/AArch64/neon-diagnostics.s
index e0675e2..28f8e7a 100644
--- a/test/MC/AArch64/neon-diagnostics.s
+++ b/test/MC/AArch64/neon-diagnostics.s
@@ -4398,6 +4398,146 @@
 // CHECK-ERROR:                ^
 
 //----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Equal
+//----------------------------------------------------------------------
+
+         fcmeq s10, h11, s12
+         fcmeq d20, s21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmeq s10, h11, s12
+// CHECK-ERROR:                     ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmeq d20, s21, d22
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Equal To Zero
+//----------------------------------------------------------------------
+
+         fcmeq h10, s11, #0.0
+         fcmeq d20, s21, #0.0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmeq h10, s11, #0.0
+// CHECK-ERROR:                ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmeq d20, s21, #0.0
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greater Than Or Equal
+//----------------------------------------------------------------------
+
+         fcmge s10, h11, s12
+         fcmge d20, s21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmge s10, h11, s12
+// CHECK-ERROR:                     ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmge d20, s21, d22
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greater Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         fcmge h10, s11, #0.0
+         fcmge d20, s21, #0.0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmge h10, s11, #0.0
+// CHECK-ERROR:                ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmge d20, s21, #0.0
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greather Than
+//----------------------------------------------------------------------
+
+         fcmgt s10, h11, s12
+         fcmgt d20, s21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmgt s10, h11, s12
+// CHECK-ERROR:                     ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmgt d20, s21, d22
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greather Than Zero
+//----------------------------------------------------------------------
+
+         fcmgt h10, s11, #0.0
+         fcmgt d20, s21, #0.0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmgt h10, s11, #0.0
+// CHECK-ERROR:                ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmgt d20, s21, #0.0
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Less Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         fcmle h10, s11, #0.0
+         fcmle d20, s21, #0.0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmle h10, s11, #0.0
+// CHECK-ERROR:                ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmle d20, s21, #0.0
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Less Than
+//----------------------------------------------------------------------
+
+         fcmlt h10, s11, #0.0
+         fcmlt d20, s21, #0.0
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmlt h10, s11, #0.0
+// CHECK-ERROR:                     ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          fcmlt d20, s21, #0.0
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Absolute Compare Mask Greater Than Or Equal
+//----------------------------------------------------------------------
+
+         facge s10, h11, s12
+         facge d20, s21, d22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          facge s10, h11, s12
+// CHECK-ERROR:                     ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          facge d20, s21, d22
+// CHECK-ERROR:                     ^
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Absolute Compare Mask Greater Than
+//----------------------------------------------------------------------
+
+         facgt s10, h11, s12
+         facgt d20, d21, s22
+
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          facgt s10, h11, s12
+// CHECK-ERROR:                     ^
+// CHECK-ERROR: error: invalid operand for instruction
+// CHECK-ERROR:          facgt d20, d21, s22
+// CHECK-ERROR:                          ^
+        
+//----------------------------------------------------------------------
 // Scalar Signed Saturating Accumulated of Unsigned Value
 //----------------------------------------------------------------------
 
diff --git a/test/MC/AArch64/neon-scalar-fp-compare.s b/test/MC/AArch64/neon-scalar-fp-compare.s
new file mode 100644
index 0000000..a59ec0d
--- /dev/null
+++ b/test/MC/AArch64/neon-scalar-fp-compare.s
@@ -0,0 +1,103 @@
+// 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 Floating-point Compare Mask Equal
+//----------------------------------------------------------------------
+
+         fcmeq s10, s11, s12
+         fcmeq d20, d21, d22
+
+// CHECK: fcmeq s10, s11, s12   // encoding: [0x6a,0xe5,0x2c,0x5e]
+// CHECK: fcmeq d20, d21, d22   // encoding: [0xb4,0xe6,0x76,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Equal To Zero
+//----------------------------------------------------------------------
+
+         fcmeq s10, s11, #0.0
+         fcmeq d20, d21, #0.0
+
+// CHECK: fcmeq s10, s11, #0.0   // encoding: [0x6a,0xd9,0xa0,0x5e]
+// CHECK: fcmeq d20, d21, #0.0   // encoding: [0xb4,0xda,0xe0,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greater Than Or Equal
+//----------------------------------------------------------------------
+
+         fcmge s10, s11, s12
+         fcmge d20, d21, d22
+
+// CHECK: fcmge s10, s11, s12   // encoding: [0x6a,0xe5,0x2c,0x7e]
+// CHECK: fcmge d20, d21, d22   // encoding: [0xb4,0xe6,0x76,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greater Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         fcmge s10, s11, #0.0
+         fcmge d20, d21, #0.0
+
+// CHECK: fcmge s10, s11, #0.0   // encoding: [0x6a,0xc9,0xa0,0x7e]
+// CHECK: fcmge d20, d21, #0.0   // encoding: [0xb4,0xca,0xe0,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greather Than
+//----------------------------------------------------------------------
+
+         fcmgt s10, s11, s12
+         fcmgt d20, d21, d22
+
+// CHECK: fcmgt s10, s11, s12   // encoding: [0x6a,0xe5,0xac,0x7e]
+// CHECK: fcmgt d20, d21, d22   // encoding: [0xb4,0xe6,0xf6,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Greather Than Zero
+//----------------------------------------------------------------------
+
+         fcmgt s10, s11, #0.0
+         fcmgt d20, d21, #0.0
+
+// CHECK: fcmgt s10, s11, #0.0   // encoding: [0x6a,0xc9,0xa0,0x5e]
+// CHECK: fcmgt d20, d21, #0.0   // encoding: [0xb4,0xca,0xe0,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Less Than Or Equal To Zero
+//----------------------------------------------------------------------
+
+         fcmle s10, s11, #0.0
+         fcmle d20, d21, #0.0
+
+// CHECK: fcmle s10, s11, #0.0   // encoding: [0x6a,0xd9,0xa0,0x7e]
+// CHECK: fcmle d20, d21, #0.0   // encoding: [0xb4,0xda,0xe0,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Compare Mask Less Than
+//----------------------------------------------------------------------
+
+         fcmlt s10, s11, #0.0
+         fcmlt d20, d21, #0.0
+
+// CHECK: fcmlt s10, s11, #0.0   // encoding: [0x6a,0xe9,0xa0,0x5e]
+// CHECK: fcmlt d20, d21, #0.0   // encoding: [0xb4,0xea,0xe0,0x5e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Absolute Compare Mask Greater Than Or Equal
+//----------------------------------------------------------------------
+
+         facge s10, s11, s12
+         facge d20, d21, d22
+
+// CHECK: facge s10, s11, s12    // encoding: [0x6a,0xed,0x2c,0x7e]
+// CHECK: facge d20, d21, d22    // encoding: [0xb4,0xee,0x76,0x7e]
+
+//----------------------------------------------------------------------
+// Scalar Floating-point Absolute Compare Mask Greater Than
+//----------------------------------------------------------------------
+
+         facgt s10, s11, s12
+         facgt d20, d21, d22
+
+// CHECK: facgt s10, s11, s12   // encoding: [0x6a,0xed,0xac,0x7e]
+// CHECK: facgt d20, d21, d22   // encoding: [0xb4,0xee,0xf6,0x7e]
diff --git a/test/MC/Disassembler/AArch64/neon-instructions.txt b/test/MC/Disassembler/AArch64/neon-instructions.txt
index fa34c37..2627b14 100644
--- a/test/MC/Disassembler/AArch64/neon-instructions.txt
+++ b/test/MC/Disassembler/AArch64/neon-instructions.txt
@@ -1601,6 +1601,86 @@
 0xb4,0x8e,0xf6,0x5e
 
 #----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Equal
+#----------------------------------------------------------------------
+# CHECK: fcmeq s10, s11, s12
+# CHECK: fcmeq d20, d21, d22
+0x6a,0xe5,0x2c,0x5e
+0xb4,0xe6,0x76,0x5e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Equal To Zero
+#----------------------------------------------------------------------
+# CHECK: fcmeq s10, s11, #0.0
+# CHECK: fcmeq d20, d21, #0.0
+0x6a,0xd9,0xa0,0x5e
+0xb4,0xda,0xe0,0x5e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Greater Than Or Equal
+#----------------------------------------------------------------------
+# CHECK: fcmge s10, s11, s12
+# CHECK: fcmge d20, d21, d22
+0x6a,0xe5,0x2c,0x7e
+0xb4,0xe6,0x76,0x7e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Greater Than Or Equal To Zero
+#----------------------------------------------------------------------
+# CHECK: fcmge s10, s11, #0.0
+# CHECK: fcmge d20, d21, #0.0
+0x6a,0xc9,0xa0,0x7e
+0xb4,0xca,0xe0,0x7e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Greather Than
+#----------------------------------------------------------------------
+# CHECK: fcmgt s10, s11, s12
+# CHECK: fcmgt d20, d21, d22
+0x6a,0xe5,0xac,0x7e
+0xb4,0xe6,0xf6,0x7e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Greather Than Zero
+#----------------------------------------------------------------------
+# CHECK: fcmgt s10, s11, #0.0
+# CHECK: fcmgt d20, d21, #0.0
+0x6a,0xc9,0xa0,0x5e
+0xb4,0xca,0xe0,0x5e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Less Than Or Equal To Zero
+#----------------------------------------------------------------------
+# CHECK: fcmle s10, s11, #0.0
+# CHECK: fcmle d20, d21, #0.0
+0x6a,0xd9,0xa0,0x7e
+0xb4,0xda,0xe0,0x7e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Compare Mask Less Than
+#----------------------------------------------------------------------
+# CHECK: fcmlt s10, s11, #0.0
+# CHECK: fcmlt d20, d21, #0.0
+0x6a,0xe9,0xa0,0x5e
+0xb4,0xea,0xe0,0x5e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Absolute Compare Mask Greater Than Or Equal
+#----------------------------------------------------------------------
+# CHECK: facge s10, s11, s12
+# CHECK: facge d20, d21, d22
+0x6a,0xed,0x2c,0x7e
+0xb4,0xee,0x76,0x7e
+
+#----------------------------------------------------------------------
+# Scalar Floating-point Absolute Compare Mask Greater Than
+#----------------------------------------------------------------------
+# CHECK: facgt s10, s11, s12   
+# CHECK: facgt d20, d21, d22   
+0x6a,0xed,0xac,0x7e
+0xb4,0xee,0xf6,0x7e
+
+#----------------------------------------------------------------------
 # Scalar Absolute Value
 #----------------------------------------------------------------------
 # CHECK: abs d29, d24