Mips specific llvm assembler support for ALU instructions. This includes

register support. Test case included.

Contributer: Vladimir Medic


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163268 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 81 insertions, 0 deletions

diff --git a/test/MC/Mips/mips-alu-instructions.s b/test/MC/Mips/mips-alu-instructions.s
new file mode 100644
index 0000000..fb816e5
--- /dev/null
+++ b/test/MC/Mips/mips-alu-instructions.s
@@ -0,0 +1,81 @@
+# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 | FileCheck %s
+# Check that the assembler can handle the documented syntax
+# for arithmetic and logical instructions.
+# CHECK: .section __TEXT,__text,regular,pure_instructions
+#------------------------------------------------------------------------------
+# Logical instructions
+#------------------------------------------------------------------------------
+# CHECK:  and    $9, $6, $7      # encoding: [0x24,0x48,0xc7,0x00]
+# CHECK:  andi   $9, $6, 17767   # encoding: [0x67,0x45,0xc9,0x30]
+# CHECK:  clo    $6, $7          # encoding: [0x21,0x30,0xe6,0x70]
+# CHECK:  clz    $6, $7          # encoding: [0x20,0x30,0xe6,0x70]
+# CHECK:  ins    $19, $9, 6, 7   # encoding: [0x84,0x61,0x33,0x7d]
+# CHECK:  nor    $9, $6, $7      # encoding: [0x27,0x48,0xc7,0x00]
+# CHECK:  or     $3, $3, $5      # encoding: [0x25,0x18,0x65,0x00]
+# CHECK:  ori    $9, $6, 17767   # encoding: [0x67,0x45,0xc9,0x34]
+# CHECK:  rotr   $9, $6, 7       # encoding: [0xc2,0x49,0x26,0x00]
+# CHECK:  rotrv  $9, $6, $7      # encoding: [0x46,0x48,0xe6,0x00]
+# CHECK:  sll    $4, $3, 7       # encoding: [0xc0,0x21,0x03,0x00]
+# CHECK:  sllv   $2, $3, $5      # encoding: [0x04,0x10,0xa3,0x00]
+# CHECK:  slt    $3, $3, $5      # encoding: [0x2a,0x18,0x65,0x00]
+# CHECK:  slti   $3, $3, 103     # encoding: [0x67,0x00,0x63,0x28]
+# CHECK:  sltiu  $3, $3, 103     # encoding: [0x67,0x00,0x63,0x2c]
+# CHECK:  sltu   $3, $3, $5      # encoding: [0x2b,0x18,0x65,0x00]
+# CHECK:  sra    $4, $3, 7       # encoding: [0xc3,0x21,0x03,0x00]
+# CHECK:  srav   $2, $3, $5      # encoding: [0x07,0x10,0xa3,0x00]
+# CHECK:  srl    $4, $3, 7       # encoding: [0xc2,0x21,0x03,0x00]
+# CHECK:  srlv   $2, $3, $5      # encoding: [0x06,0x10,0xa3,0x00]
+# CHECK:  xor    $3, $3, $5      # encoding: [0x26,0x18,0x65,0x00]
+# CHECK:  xori   $9, $6, 17767   # encoding: [0x67,0x45,0xc9,0x38]
+# CHECK:  wsbh   $6, $7          # encoding: [0xa0,0x30,0x07,0x7c]
+     and    $9,  $6, $7
+     andi   $9,  $6, 17767
+     clo    $6,  $7
+     clz    $6,  $7
+     ins    $19, $9, 6,7
+     nor    $9,  $6, $7
+     or     $3,  $3, $5
+     ori    $9,  $6, 17767
+     rotr   $9,  $6, 7
+     rotrv  $9,  $6, $7
+     sll    $4,  $3, 7
+     sllv   $2,  $3, $5
+     slt    $3,  $3, $5
+     slti   $3,  $3, 103
+     sltiu  $3,  $3, 103
+     sltu   $3,  $3, $5
+     sra    $4,  $3, 7
+     srav   $2,  $3, $5
+     srl    $4,  $3, 7
+     srlv   $2,  $3, $5
+     xor    $3,  $3, $5
+     xori   $9,  $6, 17767
+     wsbh   $6,  $7
+#------------------------------------------------------------------------------
+# Arithmetic instructions
+#------------------------------------------------------------------------------
+
+# CHECK:  add    $9, $6, $7      # encoding: [0x20,0x48,0xc7,0x00]
+# CHECK:  addi   $9, $6, 17767   # encoding: [0x67,0x45,0xc9,0x20]
+# CHECK:  addiu  $9, $6, -15001  # encoding: [0x67,0xc5,0xc9,0x24]
+# CHECK:  addu   $9, $6, $7      # encoding: [0x21,0x48,0xc7,0x00]
+# CHECK:  madd   $6, $7          # encoding: [0x00,0x00,0xc7,0x70]
+# CHECK:  maddu  $6, $7          # encoding: [0x01,0x00,0xc7,0x70]
+# CHECK:  msub   $6, $7          # encoding: [0x04,0x00,0xc7,0x70]
+# CHECK:  msubu  $6, $7          # encoding: [0x05,0x00,0xc7,0x70]
+# CHECK:  mult   $3, $5          # encoding: [0x18,0x00,0x65,0x00]
+# CHECK:  multu  $3, $5          # encoding: [0x19,0x00,0x65,0x00]
+# CHECK:  sub    $9, $6, $7      # encoding: [0x22,0x48,0xc7,0x00]
+# CHECK:  subu   $4, $3, $5      # encoding: [0x23,0x20,0x65,0x00]
+    add    $9,$6,$7
+    addi   $9,$6,17767
+    addiu  $9,$6,-15001
+    addu   $9,$6,$7
+    madd   $6,$7
+    maddu  $6,$7
+    msub   $6,$7
+    msubu  $6,$7
+    mult   $3,$5
+    multu  $3,$5
+    sub    $9,$6,$7
+    subu   $4,$3,$5