let EncodingPredicates = [HasStdEnc];
}
+//===----------------------------------------------------------------------===//
+//
+// Field Values
+//
+//===----------------------------------------------------------------------===//
+
+def OPGROUP_COP1 { bits<6> Value = 0b010001; }
+def OPGROUP_SPECIAL { bits<6> Value = 0b000000; }
+
+class FIELD_FMT<bits<5> Val> {
+ bits<5> Value = Val;
+}
+def FIELD_FMT_S : FIELD_FMT<0b10000>;
+def FIELD_FMT_D : FIELD_FMT<0b10001>;
+
+//===----------------------------------------------------------------------===//
+//
+// Encoding Formats
+//
+//===----------------------------------------------------------------------===//
+
+class COP1_3R_FM<bits<6> funct, FIELD_FMT Format> : MipsR6Inst {
+ bits<5> ft;
+ bits<5> fs;
+ bits<5> fd;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = OPGROUP_COP1.Value;
+ let Inst{25-21} = Format.Value;
+ let Inst{20-16} = ft;
+ let Inst{15-11} = fs;
+ let Inst{10-6} = fd;
+ let Inst{5-0} = funct;
+}
+
class SPECIAL_3R_FM<bits<5> mulop, bits<6> funct> : MipsR6Inst {
bits<5> rd;
bits<5> rs;
bits<32> Inst;
- let Inst{31-26} = 0b00000;
+ let Inst{31-26} = OPGROUP_SPECIAL.Value;
let Inst{25-21} = rs;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{10-6} = mulop;
let Inst{5-0} = funct;
}
-
class MUHU_ENC : SPECIAL_3R_FM<0b00011, 0b011001>;
class MUL_R6_ENC : SPECIAL_3R_FM<0b00010, 0b011000>;
class MULU_ENC : SPECIAL_3R_FM<0b00010, 0b011001>;
+class SEL_D_ENC : COP1_3R_FM<0b010000, FIELD_FMT_D>;
+class SEL_S_ENC : COP1_3R_FM<0b010000, FIELD_FMT_S>;
//===----------------------------------------------------------------------===//
//
class MUL_R6_DESC : MUL_R6_DESC_BASE<"mul", GPR32Opnd>;
class MULU_DESC : MUL_R6_DESC_BASE<"mulu", GPR32Opnd>;
+class SEL_DESC_BASE<string instr_asm, RegisterOperand FGROpnd> {
+ dag OutOperandList = (outs FGROpnd:$fd);
+ dag InOperandList = (ins FGROpnd:$fd_in, FGROpnd:$fs, FGROpnd:$ft);
+ string AsmString = !strconcat(instr_asm, "\t$fd, $fs, $ft");
+ list<dag> Pattern = [];
+ string Constraints = "$fd_in = $fd";
+}
+
+class SEL_D_DESC : SEL_DESC_BASE<"sel.d", FGR64Opnd>;
+class SEL_S_DESC : SEL_DESC_BASE<"sel.s", FGR32Opnd>;
+
//===----------------------------------------------------------------------===//
//
// Instruction Definitions
def SELNEZ;
def SELNEZ_D;
def SELNEZ_S;
-def SEL_D;
-def SEL_S;
+def SEL_D : SEL_D_ENC, SEL_D_DESC, ISA_MIPS32R6;
+def SEL_S : SEL_S_ENC, SEL_S_DESC, ISA_MIPS32R6;
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]
muhu $2,$3,$4 # CHECK: muhu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xd9]
+ sel.d $f0,$f1,$f2 # CHECK: sel.d $f0, $f1, $f2 # encoding: [0x46,0x22,0x08,0x10]
+ sel.s $f0,$f1,$f2 # CHECK: sel.s $f0, $f1, $f2 # encoding: [0x46,0x02,0x08,0x10]
dmuh $2,$3,$4 # CHECK: dmuh $2, $3, $4 # encoding: [0x00,0x64,0x10,0xf8]
dmulu $2,$3,$4 # CHECK: dmulu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xb9]
dmuhu $2,$3,$4 # CHECK: dmuhu $2, $3, $4 # encoding: [0x00,0x64,0x10,0xf9]
+ sel.d $f0,$f1,$f2 # CHECK: sel.d $f0, $f1, $f2 # encoding: [0x46,0x22,0x08,0x10]
+ sel.s $f0,$f1,$f2 # CHECK: sel.s $f0, $f1, $f2 # encoding: [0x46,0x02,0x08,0x10]