[mips][mips64r6] Add LWPC and LWUPC instructions

Differential Revision: http://reviews.llvm.org/D3788

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208971 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/Mips32r6InstrFormats.td b/lib/Target/Mips/Mips32r6InstrFormats.td
index 3fe8f918c56f7b6dc6bae6798281cfdb9d74745b..4d49ca1812ee86e7f99117c5776875fec1ed34ea 100644 (file)
--- a/lib/Target/Mips/Mips32r6InstrFormats.td
+++ b/lib/Target/Mips/Mips32r6InstrFormats.td
@@ -35,6 +35,8 @@ class OPCODE2<bits<2> Val> {
   bits<2> Value = Val;
 }
 def OPCODE2_ADDIUPC : OPCODE2<0b00>;
+def OPCODE2_LWPC    : OPCODE2<0b01>;
+def OPCODE2_LWUPC   : OPCODE2<0b10>;
 
 class OPCODE5<bits<5> Val> {
   bits<5> Value = Val;

diff --git a/lib/Target/Mips/Mips32r6InstrInfo.td b/lib/Target/Mips/Mips32r6InstrInfo.td
index 6f2548c608093406b572a3069e202bbfab662383..9c57ed6c7abb6bb98b03a02f3eadbff359339849 100644 (file)
--- a/lib/Target/Mips/Mips32r6InstrInfo.td
+++ b/lib/Target/Mips/Mips32r6InstrInfo.td
@@ -81,6 +81,9 @@ class MSUBF_D_ENC  : COP1_3R_FM<0b011001, FIELD_FMT_D>;
 class SEL_D_ENC  : COP1_3R_FM<0b010000, FIELD_FMT_D>;
 class SEL_S_ENC  : COP1_3R_FM<0b010000, FIELD_FMT_S>;
 
+class LWPC_ENC   : PCREL19_FM<OPCODE2_LWPC>;
+class LWUPC_ENC  : PCREL19_FM<OPCODE2_LWUPC>;
+
 class MAX_S_ENC : COP1_3R_FM<0b011101, FIELD_FMT_S>;
 class MAX_D_ENC : COP1_3R_FM<0b011101, FIELD_FMT_D>;
 class MIN_S_ENC : COP1_3R_FM<0b011100, FIELD_FMT_S>;
@@ -172,14 +175,16 @@ multiclass CMP_CC_M <FIELD_CMP_FORMAT Format, string Typestr,
 //
 //===----------------------------------------------------------------------===//
 
-class ADDIUPC_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
+class PCREL19_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
   dag OutOperandList = (outs GPROpnd:$rs);
   dag InOperandList = (ins simm19_lsl2:$imm);
   string AsmString = !strconcat(instr_asm, "\t$rs, $imm");
   list<dag> Pattern = [];
 }
 
-class ADDIUPC_DESC : ADDIUPC_DESC_BASE<"addiupc", GPR32Opnd>;
+class ADDIUPC_DESC : PCREL19_DESC_BASE<"addiupc", GPR32Opnd>;
+class LWPC_DESC: PCREL19_DESC_BASE<"lwpc", GPR32Opnd>;
+class LWUPC_DESC: PCREL19_DESC_BASE<"lwupc", GPR32Opnd>;
 
 class ALIGN_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
                       Operand ImmOpnd> {
@@ -347,8 +352,8 @@ def DIVU : DIVU_ENC, DIVU_DESC, ISA_MIPS32R6;
 def JIALC;
 def JIC;
 // def LSA; // See MSA
-def LWPC;
-def LWUPC;
+def LWPC : LWPC_ENC, LWPC_DESC, ISA_MIPS32R6;
+def LWUPC : LWUPC_ENC, LWUPC_DESC, ISA_MIPS32R6;
 def MADDF_S : MADDF_S_ENC, MADDF_S_DESC, ISA_MIPS32R6;
 def MADDF_D : MADDF_D_ENC, MADDF_D_DESC, ISA_MIPS32R6;
 def MAXA_D : MAXA_D_ENC, MAXA_D_DESC, ISA_MIPS32R6;

diff --git a/test/MC/Mips/mips32r6/valid.s b/test/MC/Mips/mips32r6/valid.s
index 933513a35f797c98bd33505c05c576471997fe6b..b83cbe1a4d7d0f0cb4d8ed7c65c5e4f8e0069538 100644 (file)
--- a/test/MC/Mips/mips32r6/valid.s
+++ b/test/MC/Mips/mips32r6/valid.s
@@ -44,6 +44,8 @@
         cmp.ngt.d  $f2,$f3,$f4      # CHECK: cmp.ngt.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x8f]
         div     $2,$3,$4         # CHECK: div $2, $3, $4   # encoding: [0x00,0x64,0x10,0x9a]
         divu    $2,$3,$4         # CHECK: divu $2, $3, $4  # encoding: [0x00,0x64,0x10,0x9b]
+        lwpc    $2,268           # CHECK: lwpc $2, 268     # encoding: [0xec,0x48,0x00,0x43]
+        lwupc   $2,268           # CHECK: lwupc $2, 268    # encoding: [0xec,0x50,0x00,0x43]
         mod     $2,$3,$4         # CHECK: mod $2, $3, $4   # encoding: [0x00,0x64,0x10,0xda]
         modu    $2,$3,$4         # CHECK: modu $2, $3, $4  # encoding: [0x00,0x64,0x10,0xdb]
 #        mul     $2,$3,$4         # CHECK-TODO: mul $2, $3, $4   # encoding: [0x00,0x64,0x10,0x98]

diff --git a/test/MC/Mips/mips64r6/valid.s b/test/MC/Mips/mips64r6/valid.s
index 1cb2f86aae16207f185e1f7086bf65c671c9e8d2..1551e5f34223ca18056b997f1d30be98fdb3be6b 100644 (file)
--- a/test/MC/Mips/mips64r6/valid.s
+++ b/test/MC/Mips/mips64r6/valid.s
@@ -55,6 +55,8 @@
         ddivu   $2,$3,$4         # CHECK: ddivu $2, $3, $4 # encoding: [0x00,0x64,0x10,0x9f]
         dmod    $2,$3,$4         # CHECK: dmod $2, $3, $4  # encoding: [0x00,0x64,0x10,0xde]
         dmodu   $2,$3,$4         # CHECK: dmodu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xdf]
+        lwpc    $2,268           # CHECK: lwpc $2, 268     # encoding: [0xec,0x48,0x00,0x43]
+        lwupc   $2,268           # CHECK: lwupc $2, 268    # encoding: [0xec,0x50,0x00,0x43]
 #        mul     $2,$3,$4         # CHECK-TODO: mul $2, $3, $4   # encoding: [0x00,0x64,0x10,0x98]
         muh     $2,$3,$4         # CHECK: muh $2, $3, $4   # encoding: [0x00,0x64,0x10,0xd8]
         mulu    $2,$3,$4         # CHECK: mulu $2, $3, $4  # encoding: [0x00,0x64,0x10,0x99]