Mips assembler: Assembler macro ADDIU $rs,imm

This patch adds alias for addiu instruction which enables following syntax:

    addiu $rs,imm

The macro is translated as:

    addiu $rs,$rs,imm

Contributer: Vladimir Medic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181729 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index 3d31937..5ada1df 100644 (file)
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -1095,7 +1095,8 @@ def : InstAlias<"mfc2 $rt, $rd",
                 (MFC2_3OP CPURegsOpnd:$rt, CPURegsOpnd:$rd, 0), 0>;
 def : InstAlias<"mtc2 $rt, $rd",
                 (MTC2_3OP CPURegsOpnd:$rd, 0, CPURegsOpnd:$rt), 0>;
-
+def : InstAlias<"addiu $rs, $imm",
+                (ADDiu CPURegsOpnd:$rs, CPURegsOpnd:$rs, simm16:$imm), 0>;
 //===----------------------------------------------------------------------===//
 // Assembler Pseudo Instructions
 //===----------------------------------------------------------------------===//

diff --git a/test/MC/Mips/mips-alu-instructions.s b/test/MC/Mips/mips-alu-instructions.s
index 586e88b..0df6f85 100644 (file)
--- a/test/MC/Mips/mips-alu-instructions.s
+++ b/test/MC/Mips/mips-alu-instructions.s
@@ -70,6 +70,7 @@
 # CHECK:  addiu  $9, $6, -15001  # encoding: [0x67,0xc5,0xc9,0x24]
 # CHECK:  addi   $9, $6, 17767   # encoding: [0x67,0x45,0xc9,0x20]
 # CHECK:  addiu  $9, $6, -15001  # encoding: [0x67,0xc5,0xc9,0x24]
+# CHECK:  addiu  $11, $11, 40    # encoding: [0x28,0x00,0x6b,0x25]
 # 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]
@@ -91,6 +92,7 @@
     addu   $9,$6,-15001
     addi   $9,$6,17767
     addiu  $9,$6,-15001
+    addiu  $11,40
     addu   $9,$6,$7
     madd   $6,$7
     maddu  $6,$7