[mips][microMIPS] Implement RECIP.fmt, RINT.fmt, ROUND.L.fmt, ROUND.W.fmt, SEL.fmt, SELEQZ.fmt, SELNEQZ.fmt and CLASS.fmt

Differential Revision: http://reviews.llvm.org/D13885

llvm-svn: 254405

5 files changed, 169 insertions, 26 deletions

diff --git a/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td b/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td
index c4cdb0c2fad..349b3b88a07 100644
--- a/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td
+++ b/llvm/lib/Target/Mips/MicroMips32r6InstrFormats.td
@@ -796,3 +796,65 @@ class POOL32A_WRPGPR_WSBH_FM_MMR6<bits<10> funct> : MipsR6Inst {
   let Inst{15-6}  = funct;
   let Inst{5-0}   = 0x3c;
 }
+
+class POOL32F_RECIP_ROUND_FM_MMR6<string instr_asm, bits<1> fmt, bits<8> funct>
+    : MMR6Arch<instr_asm>, MipsR6Inst {
+  bits<5> ft;
+  bits<5> fs;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b010101;
+  let Inst{25-21} = ft;
+  let Inst{20-16} = fs;
+  let Inst{15}    = 0;
+  let Inst{14}    = fmt;
+  let Inst{13-6}  = funct;
+  let Inst{5-0}   = 0b111011;
+}
+
+class POOL32F_RINT_FM_MMR6<string instr_asm, bits<2> fmt>
+    : MMR6Arch<instr_asm>, MipsR6Inst {
+  bits<5> fs;
+  bits<5> fd;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b010101;
+  let Inst{25-21} = fs;
+  let Inst{20-16} = fd;
+  let Inst{15-11} = 0;
+  let Inst{10-9}  = fmt;
+  let Inst{8-0}   = 0b000100000;
+}
+
+class POOL32F_SEL_FM_MMR6<string instr_asm, bits<2> fmt, bits<9> funct>
+    : MMR6Arch<instr_asm>, MipsR6Inst {
+  bits<5> ft;
+  bits<5> fs;
+  bits<5> fd;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b010101;
+  let Inst{25-21} = ft;
+  let Inst{20-16} = fs;
+  let Inst{15-11} = fd;
+  let Inst{10-9}  = fmt;
+  let Inst{8-0}   = funct;
+}
+
+class POOL32F_CLASS_FM_MMR6<string instr_asm, bits<2> fmt, bits<9> funct>
+    : MMR6Arch<instr_asm>, MipsR6Inst {
+  bits<5> fs;
+  bits<5> fd;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = 0b010101;
+  let Inst{25-21} = fs;
+  let Inst{20-16} = fd;
+  let Inst{15-11} = 0b00000;
+  let Inst{10-9}  = fmt;
+  let Inst{8-0}   = funct;
+}
diff --git a/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td b/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td
index 2dbd20cfad9..8c744d8924b 100644
--- a/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td
+++ b/llvm/lib/Target/Mips/MicroMips32r6InstrInfo.td
@@ -132,6 +132,26 @@ class LLE_MMR6_ENC : LOAD_WORD_EVA_FM_MMR6<0b110>;
 class LWE_MMR6_ENC : LOAD_WORD_EVA_FM_MMR6<0b111>;
 class LW_MMR6_ENC : LOAD_WORD_FM_MMR6;
 class LUI_MMR6_ENC : LOAD_UPPER_IMM_FM_MMR6;
+class RECIP_S_MMR6_ENC : POOL32F_RECIP_ROUND_FM_MMR6<"recip.s", 0, 0b01001000>;
+class RECIP_D_MMR6_ENC : POOL32F_RECIP_ROUND_FM_MMR6<"recip.d", 1, 0b01001000>;
+class RINT_S_MMR6_ENC : POOL32F_RINT_FM_MMR6<"rint.s", 0>;
+class RINT_D_MMR6_ENC : POOL32F_RINT_FM_MMR6<"rint.d", 1>;
+class ROUND_L_S_MMR6_ENC : POOL32F_RECIP_ROUND_FM_MMR6<"round.l.s", 0,
+                                                       0b11001100>;
+class ROUND_L_D_MMR6_ENC : POOL32F_RECIP_ROUND_FM_MMR6<"round.l.d", 1,
+                                                       0b11001100>;
+class ROUND_W_S_MMR6_ENC : POOL32F_RECIP_ROUND_FM_MMR6<"round.w.s", 0,
+                                                       0b11101100>;
+class ROUND_W_D_MMR6_ENC : POOL32F_RECIP_ROUND_FM_MMR6<"round.w.d", 1,
+                                                       0b11101100>;
+class SEL_S_MMR6_ENC : POOL32F_SEL_FM_MMR6<"sel.s", 0, 0b010111000>;
+class SEL_D_MMR6_ENC : POOL32F_SEL_FM_MMR6<"sel.d", 1, 0b010111000>;
+class SELEQZ_S_MMR6_ENC : POOL32F_SEL_FM_MMR6<"seleqz.s", 0, 0b000111000>;
+class SELEQZ_D_MMR6_ENC : POOL32F_SEL_FM_MMR6<"seleqz.d", 1, 0b000111000>;
+class SELENZ_S_MMR6_ENC : POOL32F_SEL_FM_MMR6<"selenz.s", 0, 0b001111000>;
+class SELENZ_D_MMR6_ENC : POOL32F_SEL_FM_MMR6<"selenz.d", 1, 0b001111000>;
+class CLASS_S_MMR6_ENC : POOL32F_CLASS_FM_MMR6<"class.s", 0, 0b001100000>;
+class CLASS_D_MMR6_ENC : POOL32F_CLASS_FM_MMR6<"class.d", 1, 0b001100000>;
 
 class ADDU16_MMR6_ENC : POOL16A_ADDU16_FM_MMR6;
 class AND16_MMR6_ENC : POOL16C_AND16_FM_MMR6;
@@ -724,6 +744,33 @@ class RSQRT_S_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"rsqrt.s", FGR32Opnd,
                                                   FGR32Opnd, II_TRUNC>;
 class RSQRT_D_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"rsqrt.d", FGR32Opnd,
                                                   AFGR64Opnd, II_TRUNC>;
+class RECIP_S_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"recip.s", FGR32Opnd,
+                                                 FGR32Opnd, II_ROUND>;
+class RECIP_D_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"recip.d", FGR32Opnd, FGR32Opnd,
+                                                 II_ROUND>;
+class ROUND_L_S_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"round.l.s", FGR64Opnd,
+                                                   FGR32Opnd, II_ROUND>;
+class ROUND_L_D_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"round.l.d", FGR64Opnd,
+                                                   FGR64Opnd, II_ROUND>;
+class ROUND_W_S_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"round.w.s", FGR32Opnd,
+                                                   FGR32Opnd, II_ROUND>;
+class ROUND_W_D_MMR6_DESC : ABSS_FT_MMR6_DESC_BASE<"round.w.d", FGR64Opnd,
+                                                   FGR64Opnd, II_ROUND>;
+
+class SEL_S_MMR6_DESC : COP1_SEL_DESC_BASE<"sel.s", FGR32Opnd>;
+class SEL_D_MMR6_DESC : COP1_SEL_DESC_BASE<"sel.d", FGR64Opnd> {
+  // We must insert a SUBREG_TO_REG around $fd_in
+  bit usesCustomInserter = 1;
+}
+
+class SELEQZ_S_MMR6_DESC : SELEQNEZ_DESC_BASE<"seleqz.s", FGR32Opnd>;
+class SELEQZ_D_MMR6_DESC : SELEQNEZ_DESC_BASE<"seleqz.d", FGR64Opnd>;
+class SELENZ_S_MMR6_DESC : SELEQNEZ_DESC_BASE<"selnez.s", FGR32Opnd>;
+class SELENZ_D_MMR6_DESC : SELEQNEZ_DESC_BASE<"selnez.d", FGR64Opnd>;
+class RINT_S_MMR6_DESC : CLASS_RINT_DESC_BASE<"rint.s", FGR32Opnd>;
+class RINT_D_MMR6_DESC : CLASS_RINT_DESC_BASE<"rint.d", FGR64Opnd>;
+class CLASS_S_MMR6_DESC  : CLASS_RINT_DESC_BASE<"class.s", FGR32Opnd>;
+class CLASS_D_MMR6_DESC  : CLASS_RINT_DESC_BASE<"class.d", FGR64Opnd>;
 
 class STORE_MMR6_DESC_BASE<string opstr, DAGOperand RO>
     : Store<opstr, RO>, MMR6Arch<opstr> {
@@ -1121,6 +1168,34 @@ def SUBU16_MMR6 : StdMMR6Rel, SUBU16_MMR6_DESC, SUBU16_MMR6_ENC,
                   ISA_MICROMIPS32R6;
 def XOR16_MMR6 : StdMMR6Rel, XOR16_MMR6_DESC, XOR16_MMR6_ENC,
                  ISA_MICROMIPS32R6;
+def RECIP_S_MMR6 : StdMMR6Rel, RECIP_S_MMR6_ENC, RECIP_S_MMR6_DESC,
+                   ISA_MICROMIPS32R6;
+def RECIP_D_MMR6 : StdMMR6Rel, RECIP_D_MMR6_ENC, RECIP_D_MMR6_DESC, ISA_MICROMIPS32R6;
+def RINT_S_MMR6 : StdMMR6Rel, RINT_S_MMR6_ENC, RINT_S_MMR6_DESC,
+                  ISA_MICROMIPS32R6;
+def RINT_D_MMR6 : StdMMR6Rel, RINT_D_MMR6_ENC, RINT_D_MMR6_DESC, ISA_MICROMIPS32R6;
+def ROUND_L_S_MMR6 : StdMMR6Rel, ROUND_L_S_MMR6_ENC, ROUND_L_S_MMR6_DESC,
+                     ISA_MICROMIPS32R6;
+def ROUND_L_D_MMR6 : StdMMR6Rel, ROUND_L_D_MMR6_ENC, ROUND_L_D_MMR6_DESC,
+                     ISA_MICROMIPS32R6;
+def ROUND_W_S_MMR6 : StdMMR6Rel, ROUND_W_S_MMR6_ENC, ROUND_W_S_MMR6_DESC,
+                     ISA_MICROMIPS32R6;
+def ROUND_W_D_MMR6 : StdMMR6Rel, ROUND_W_D_MMR6_ENC, ROUND_W_D_MMR6_DESC,
+                     ISA_MICROMIPS32R6;
+def SEL_S_MMR6 : StdMMR6Rel, SEL_S_MMR6_ENC, SEL_S_MMR6_DESC, ISA_MICROMIPS32R6;
+def SEL_D_MMR6 : StdMMR6Rel, SEL_D_MMR6_ENC, SEL_D_MMR6_DESC, ISA_MICROMIPS32R6;
+def SELEQZ_S_MMR6 : StdMMR6Rel, SELEQZ_S_MMR6_ENC, SELEQZ_S_MMR6_DESC,
+                    ISA_MICROMIPS32R6;
+def SELEQZ_D_MMR6 : StdMMR6Rel, SELEQZ_D_MMR6_ENC, SELEQZ_D_MMR6_DESC,
+                    ISA_MICROMIPS32R6;
+def SELENZ_S_MMR6 : StdMMR6Rel, SELENZ_S_MMR6_ENC, SELENZ_S_MMR6_DESC,
+                    ISA_MICROMIPS32R6;
+def SELENZ_D_MMR6 : StdMMR6Rel, SELENZ_D_MMR6_ENC, SELENZ_D_MMR6_DESC,
+                    ISA_MICROMIPS32R6;
+def CLASS_S_MMR6 : StdMMR6Rel, CLASS_S_MMR6_ENC, CLASS_S_MMR6_DESC,
+                   ISA_MICROMIPS32R6;
+def CLASS_D_MMR6 : StdMMR6Rel, CLASS_D_MMR6_ENC, CLASS_D_MMR6_DESC,
+                   ISA_MICROMIPS32R6;
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/Mips/MicroMipsInstrFPU.td b/llvm/lib/Target/Mips/MicroMipsInstrFPU.td
index 120a841c3d9..756e6c92c1d 100644
--- a/llvm/lib/Target/Mips/MicroMipsInstrFPU.td
+++ b/llvm/lib/Target/Mips/MicroMipsInstrFPU.td
@@ -43,7 +43,7 @@ def BC1T_MM : MMRel, BC1F_FT<"bc1t", brtarget_mm, II_BC1T, MIPS_BRANCH_T>,
               BC1F_FM_MM<0x1d>, ISA_MIPS1_NOT_32R6_64R6;
 def CVT_W_S_MM   : MMRel, ABSS_FT<"cvt.w.s", FGR32Opnd, FGR32Opnd, II_CVT>,
                    ROUND_W_FM_MM<0, 0x24>;
-def ROUND_W_S_MM : MMRel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
+def ROUND_W_S_MM : MMRel, StdMMR6Rel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
                    ROUND_W_FM_MM<0, 0xec>;
 
 def CEIL_W_MM  : MMRel, ABSS_FT<"ceil.w.d", FGR32Opnd, AFGR64Opnd, II_CEIL>,
@@ -52,7 +52,7 @@ def CVT_W_MM   : MMRel, ABSS_FT<"cvt.w.d", FGR32Opnd, AFGR64Opnd, II_CVT>,
                  ROUND_W_FM_MM<1, 0x24>;
 def FLOOR_W_MM : MMRel, ABSS_FT<"floor.w.d", FGR32Opnd, AFGR64Opnd, II_FLOOR>,
                  ROUND_W_FM_MM<1, 0x2c>;
-def ROUND_W_MM : MMRel, ABSS_FT<"round.w.d", FGR32Opnd, AFGR64Opnd, II_ROUND>,
+def ROUND_W_MM : MMRel, StdMMR6Rel, ABSS_FT<"round.w.d", FGR32Opnd, AFGR64Opnd, II_ROUND>,
                  ROUND_W_FM_MM<1, 0xec>;
 def TRUNC_W_MM : MMRel, ABSS_FT<"trunc.w.d", FGR32Opnd, AFGR64Opnd, II_TRUNC>,
                  ROUND_W_FM_MM<1, 0xac>;
diff --git a/llvm/lib/Target/Mips/Mips32r6InstrInfo.td b/llvm/lib/Target/Mips/Mips32r6InstrInfo.td
index 9dd4d1e034e..c36a45acbf7 100644
--- a/llvm/lib/Target/Mips/Mips32r6InstrInfo.td
+++ b/llvm/lib/Target/Mips/Mips32r6InstrInfo.td
@@ -687,8 +687,10 @@ def BNEZC : BNEZC_ENC, BNEZC_DESC, ISA_MIPS32R6;
 def BNVC : BNVC_ENC, BNVC_DESC, ISA_MIPS32R6;
 def BOVC : BOVC_ENC, BOVC_DESC, ISA_MIPS32R6;
 def CACHE_R6 : R6MMR6Rel, CACHE_ENC, CACHE_DESC, ISA_MIPS32R6;
-def CLASS_D : CLASS_D_ENC, CLASS_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-def CLASS_S : CLASS_S_ENC, CLASS_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+let AdditionalPredicates = [NotInMicroMips] in {
+  def CLASS_D : CLASS_D_ENC, CLASS_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def CLASS_S : CLASS_S_ENC, CLASS_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+}
 def CLO_R6 : R6MMR6Rel, CLO_R6_ENC, CLO_R6_DESC, ISA_MIPS32R6;
 def CLZ_R6 : R6MMR6Rel, CLZ_R6_ENC, CLZ_R6_DESC, ISA_MIPS32R6;
 defm S : CMP_CC_M<FIELD_CMP_FORMAT_S, "s", FGR32Opnd>;
@@ -707,14 +709,14 @@ def LWUPC : LWUPC_ENC, LWUPC_DESC, ISA_MIPS32R6;
 let AdditionalPredicates = [NotInMicroMips] in {
   def MADDF_S : MADDF_S_ENC, MADDF_S_DESC, ISA_MIPS32R6, HARDFLOAT;
   def MADDF_D : MADDF_D_ENC, MADDF_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MAXA_D  : MAXA_D_ENC, MAXA_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MAXA_S  : MAXA_S_ENC, MAXA_S_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MAX_D   : MAX_D_ENC, MAX_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MAX_S   : MAX_S_ENC, MAX_S_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MINA_D  : MINA_D_ENC, MINA_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MINA_S  : MINA_S_ENC, MINA_S_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MIN_D   : MIN_D_ENC, MIN_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-  def MIN_S   : MIN_S_ENC, MIN_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MAXA_D : MAXA_D_ENC, MAXA_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MAXA_S : MAXA_S_ENC, MAXA_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MAX_D : MAX_D_ENC, MAX_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MAX_S : MAX_S_ENC, MAX_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MINA_D : MINA_D_ENC, MINA_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MINA_S : MINA_S_ENC, MINA_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MIN_D : MIN_D_ENC, MIN_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def MIN_S : MIN_S_ENC, MIN_S_DESC, ISA_MIPS32R6, HARDFLOAT;
 }
 def MOD : R6MMR6Rel, MOD_ENC, MOD_DESC, ISA_MIPS32R6;
 def MODU : R6MMR6Rel, MODU_ENC, MODU_DESC, ISA_MIPS32R6;
@@ -728,21 +730,27 @@ def MUL_R6 : R6MMR6Rel, MUL_R6_ENC, MUL_R6_DESC, ISA_MIPS32R6;
 def MULU   : R6MMR6Rel, MULU_ENC, MULU_DESC, ISA_MIPS32R6;
 def NAL; // BAL with rd=0
 def PREF_R6 : R6MMR6Rel, PREF_ENC, PREF_DESC, ISA_MIPS32R6;
-def RINT_D : RINT_D_ENC, RINT_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-def RINT_S : RINT_S_ENC, RINT_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+let AdditionalPredicates = [NotInMicroMips] in {
+  def RINT_D : RINT_D_ENC, RINT_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def RINT_S : RINT_S_ENC, RINT_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+}
 def SC_R6 : SC_R6_ENC, SC_R6_DESC, ISA_MIPS32R6;
 let AdditionalPredicates = [NotInMicroMips] in {
 def SDBBP_R6 : SDBBP_R6_ENC, SDBBP_R6_DESC, ISA_MIPS32R6;
 }
 def SDC2_R6 : SDC2_R6_ENC, SDC2_R6_DESC, ISA_MIPS32R6;
 def SELEQZ : R6MMR6Rel, SELEQZ_ENC, SELEQZ_DESC, ISA_MIPS32R6, GPR_32;
-def SELEQZ_D : SELEQZ_D_ENC, SELEQZ_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-def SELEQZ_S : SELEQZ_S_ENC, SELEQZ_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+let AdditionalPredicates = [NotInMicroMips] in {
+  def SELEQZ_D : SELEQZ_D_ENC, SELEQZ_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def SELEQZ_S : SELEQZ_S_ENC, SELEQZ_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+}
 def SELNEZ : R6MMR6Rel, SELNEZ_ENC, SELNEZ_DESC, ISA_MIPS32R6, GPR_32;
-def SELNEZ_D : SELNEZ_D_ENC, SELNEZ_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-def SELNEZ_S : SELNEZ_S_ENC, SELNEZ_S_DESC, ISA_MIPS32R6, HARDFLOAT;
-def SEL_D    : SEL_D_ENC, SEL_D_DESC, ISA_MIPS32R6, HARDFLOAT;
-def SEL_S    : SEL_S_ENC, SEL_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+let AdditionalPredicates = [NotInMicroMips] in {
+  def SELNEZ_D : SELNEZ_D_ENC, SELNEZ_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def SELNEZ_S : SELNEZ_S_ENC, SELNEZ_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def SEL_D : SEL_D_ENC, SEL_D_DESC, ISA_MIPS32R6, HARDFLOAT;
+  def SEL_S : SEL_S_ENC, SEL_S_DESC, ISA_MIPS32R6, HARDFLOAT;
+}
 def SWC2_R6 : SWC2_R6_ENC, SWC2_R6_DESC, ISA_MIPS32R6;
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/Mips/MipsInstrFPU.td b/llvm/lib/Target/Mips/MipsInstrFPU.td
index d1a72494433..377260f89d1 100644
--- a/llvm/lib/Target/Mips/MipsInstrFPU.td
+++ b/llvm/lib/Target/Mips/MipsInstrFPU.td
@@ -136,7 +136,7 @@ multiclass ABSS_M<string opstr, InstrItinClass Itin,
 
 multiclass ROUND_M<string opstr, InstrItinClass Itin> {
   def _D32 : MMRel, ABSS_FT<opstr, FGR32Opnd, AFGR64Opnd, Itin>, FGR_32;
-  def _D64 : ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, FGR_64 {
+  def _D64 : StdMMR6Rel, ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, FGR_64 {
     let DecoderNamespace = "Mips64";
   }
 }
@@ -267,31 +267,29 @@ defm D64 : C_COND_M<"d", FGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
 //===----------------------------------------------------------------------===//
 // Floating Point Instructions
 //===----------------------------------------------------------------------===//
-def ROUND_W_S  : MMRel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
+def ROUND_W_S  : MMRel, StdMMR6Rel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
                  ABSS_FM<0xc, 16>, ISA_MIPS2;
-let AdditionalPredicates = [NotInMicroMips] in {
+defm ROUND_W : ROUND_M<"round.w.d", II_ROUND>, ABSS_FM<0xc, 17>, ISA_MIPS2;
 def TRUNC_W_S  : MMRel, StdMMR6Rel, ABSS_FT<"trunc.w.s", FGR32Opnd, FGR32Opnd, II_TRUNC>,
                  ABSS_FM<0xd, 16>, ISA_MIPS2;
 def CEIL_W_S   : MMRel, StdMMR6Rel, ABSS_FT<"ceil.w.s", FGR32Opnd, FGR32Opnd, II_CEIL>,
                  ABSS_FM<0xe, 16>, ISA_MIPS2;
 def FLOOR_W_S  : MMRel, StdMMR6Rel, ABSS_FT<"floor.w.s", FGR32Opnd, FGR32Opnd, II_FLOOR>,
                  ABSS_FM<0xf, 16>, ISA_MIPS2;
-}
 def CVT_W_S    : MMRel, ABSS_FT<"cvt.w.s", FGR32Opnd, FGR32Opnd, II_CVT>,
                  ABSS_FM<0x24, 16>;
 
-defm ROUND_W : ROUND_M<"round.w.d", II_ROUND>, ABSS_FM<0xc, 17>, ISA_MIPS2;
 defm TRUNC_W : ROUND_M<"trunc.w.d", II_TRUNC>, ABSS_FM<0xd, 17>, ISA_MIPS2;
 defm CEIL_W  : ROUND_M<"ceil.w.d", II_CEIL>, ABSS_FM<0xe, 17>, ISA_MIPS2;
 defm FLOOR_W : ROUND_M<"floor.w.d", II_FLOOR>, ABSS_FM<0xf, 17>, ISA_MIPS2;
 defm CVT_W   : ROUND_M<"cvt.w.d", II_CVT>, ABSS_FM<0x24, 17>;
 
 let DecoderNamespace = "Mips64" in {
+  let AdditionalPredicates = [NotInMicroMips] in {
   def ROUND_L_S : ABSS_FT<"round.l.s", FGR64Opnd, FGR32Opnd, II_ROUND>,
                   ABSS_FM<0x8, 16>, FGR_64;
   def ROUND_L_D64 : ABSS_FT<"round.l.d", FGR64Opnd, FGR64Opnd, II_ROUND>,
                     ABSS_FM<0x8, 17>, FGR_64;
-  let AdditionalPredicates = [NotInMicroMips] in {
   def TRUNC_L_S : ABSS_FT<"trunc.l.s", FGR64Opnd, FGR32Opnd, II_TRUNC>,
                   ABSS_FM<0x9, 16>, FGR_64;
   def TRUNC_L_D64 : ABSS_FT<"trunc.l.d", FGR64Opnd, FGR64Opnd, II_TRUNC>,