1 //===- MBlazeInstrFPU.td - MBlaze FPU Instruction defs -----*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
11 // MBlaze profiles and nodes
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // MBlaze Operand, Complex Patterns and Transformations Definitions.
16 //===----------------------------------------------------------------------===//
18 //===----------------------------------------------------------------------===//
19 // Memory Access Instructions
20 //===----------------------------------------------------------------------===//
21 class LoadFM<bits<6> op, string instr_asm, PatFrag OpNode> :
22 TA<op, 0x000, (outs GPR:$dst), (ins memrr:$addr),
23 !strconcat(instr_asm, " $dst, $addr"),
24 [(set (f32 GPR:$dst), (OpNode xaddr:$addr))], IIC_MEMl>;
26 class LoadFMI<bits<6> op, string instr_asm, PatFrag OpNode> :
27 TB<op, (outs GPR:$dst), (ins memri:$addr),
28 !strconcat(instr_asm, " $dst, $addr"),
29 [(set (f32 GPR:$dst), (OpNode iaddr:$addr))], IIC_MEMl>;
31 class StoreFM<bits<6> op, string instr_asm, PatFrag OpNode> :
32 TA<op, 0x000, (outs), (ins GPR:$dst, memrr:$addr),
33 !strconcat(instr_asm, " $dst, $addr"),
34 [(OpNode (f32 GPR:$dst), xaddr:$addr)], IIC_MEMs>;
36 class StoreFMI<bits<6> op, string instr_asm, PatFrag OpNode> :
37 TB<op, (outs), (ins GPR:$dst, memrr:$addr),
38 !strconcat(instr_asm, " $dst, $addr"),
39 [(OpNode (f32 GPR:$dst), iaddr:$addr)], IIC_MEMs>;
41 class ArithF<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
42 InstrItinClass itin> :
43 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
44 !strconcat(instr_asm, " $dst, $b, $c"),
45 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
47 class CmpFN<bits<6> op, bits<11> flags, string instr_asm,
48 InstrItinClass itin> :
49 TA<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
50 !strconcat(instr_asm, " $dst, $b, $c"),
53 class ArithFR<bits<6> op, bits<11> flags, string instr_asm, SDNode OpNode,
54 InstrItinClass itin> :
55 TAR<op, flags, (outs GPR:$dst), (ins GPR:$b, GPR:$c),
56 !strconcat(instr_asm, " $dst, $c, $b"),
57 [(set GPR:$dst, (OpNode GPR:$b, GPR:$c))], itin>;
59 class LogicFI<bits<6> op, string instr_asm> :
60 TB<op, (outs GPR:$dst), (ins GPR:$b, fimm:$c),
61 !strconcat(instr_asm, " $dst, $b, $c"),
65 class ArithF2<bits<6> op, bits<11> flags, string instr_asm,
66 InstrItinClass itin> :
67 TA<op, flags, (outs GPR:$dst), (ins GPR:$b),
68 !strconcat(instr_asm, " $dst, $b"),
71 class ArithIF<bits<6> op, bits<11> flags, string instr_asm,
72 InstrItinClass itin> :
73 TA<op, flags, (outs GPR:$dst), (ins GPR:$b),
74 !strconcat(instr_asm, " $dst, $b"),
77 class ArithFI<bits<6> op, bits<11> flags, string instr_asm,
78 InstrItinClass itin> :
79 TA<op, flags, (outs GPR:$dst), (ins GPR:$b),
80 !strconcat(instr_asm, " $dst, $b"),
84 //===----------------------------------------------------------------------===//
85 // Pseudo instructions
86 //===----------------------------------------------------------------------===//
88 //===----------------------------------------------------------------------===//
89 // FPU Arithmetic Instructions
90 //===----------------------------------------------------------------------===//
91 let Predicates=[HasFPU] in {
92 def FORI : LogicFI<0x28, "ori ">;
93 def FADD : ArithF<0x16, 0x000, "fadd ", fadd, IIC_FPU>;
94 def FRSUB : ArithFR<0x16, 0x080, "frsub ", fsub, IIC_FPU>;
95 def FMUL : ArithF<0x16, 0x100, "fmul ", fmul, IIC_FPU>;
96 def FDIV : ArithF<0x16, 0x180, "fdiv ", fdiv, IIC_FPUd>;
99 let Predicates=[HasFPU], isCodeGenOnly=1 in {
100 def LWF : LoadFM<0x32, "lw ", load>;
101 def LWFI : LoadFMI<0x3A, "lwi ", load>;
103 def SWF : StoreFM<0x36, "sw ", store>;
104 def SWFI : StoreFMI<0x3E, "swi ", store>;
107 let Predicates=[HasFPU,HasSqrt] in {
108 def FLT : ArithIF<0x16, 0x280, "flt ", IIC_FPUf>;
109 def FINT : ArithFI<0x16, 0x300, "fint ", IIC_FPUi>;
110 def FSQRT : ArithF2<0x16, 0x380, "fsqrt ", IIC_FPUs>;
113 let isAsCheapAsAMove = 1 in {
114 def FCMP_UN : CmpFN<0x16, 0x200, "fcmp.un", IIC_FPUc>;
115 def FCMP_LT : CmpFN<0x16, 0x210, "fcmp.lt", IIC_FPUc>;
116 def FCMP_EQ : CmpFN<0x16, 0x220, "fcmp.eq", IIC_FPUc>;
117 def FCMP_LE : CmpFN<0x16, 0x230, "fcmp.le", IIC_FPUc>;
118 def FCMP_GT : CmpFN<0x16, 0x240, "fcmp.gt", IIC_FPUc>;
119 def FCMP_NE : CmpFN<0x16, 0x250, "fcmp.ne", IIC_FPUc>;
120 def FCMP_GE : CmpFN<0x16, 0x260, "fcmp.ge", IIC_FPUc>;
124 let usesCustomInserter = 1 in {
125 def Select_FCC : MBlazePseudo<(outs GPR:$dst),
126 (ins GPR:$T, GPR:$F, GPR:$CMP, i32imm:$CC),
127 "; SELECT_FCC PSEUDO!",
131 // Floating point conversions
132 let Predicates=[HasFPU] in {
133 def : Pat<(sint_to_fp GPR:$V), (FLT GPR:$V)>;
134 def : Pat<(fp_to_sint GPR:$V), (FINT GPR:$V)>;
135 def : Pat<(fsqrt GPR:$V), (FSQRT GPR:$V)>;
139 let Predicates=[HasFPU] in {
140 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETEQ),
141 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
142 (FCMP_EQ GPR:$L, GPR:$R), 2)>;
143 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETNE),
144 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
145 (FCMP_EQ GPR:$L, GPR:$R), 1)>;
146 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETOEQ),
147 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
148 (FCMP_EQ GPR:$L, GPR:$R), 2)>;
149 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETONE),
150 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
151 (XOR (FCMP_UN GPR:$L, GPR:$R),
152 (FCMP_EQ GPR:$L, GPR:$R)), 2)>;
153 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETONE),
154 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
155 (OR (FCMP_UN GPR:$L, GPR:$R),
156 (FCMP_EQ GPR:$L, GPR:$R)), 2)>;
157 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETGT),
158 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
159 (FCMP_GT GPR:$L, GPR:$R), 2)>;
160 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETLT),
161 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
162 (FCMP_LT GPR:$L, GPR:$R), 2)>;
163 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETGE),
164 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
165 (FCMP_GE GPR:$L, GPR:$R), 2)>;
166 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETLE),
167 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
168 (FCMP_LE GPR:$L, GPR:$R), 2)>;
169 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETOGT),
170 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
171 (FCMP_GT GPR:$L, GPR:$R), 2)>;
172 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETOLT),
173 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
174 (FCMP_LT GPR:$L, GPR:$R), 2)>;
175 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETOGE),
176 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
177 (FCMP_GE GPR:$L, GPR:$R), 2)>;
178 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETOLE),
179 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
180 (FCMP_LE GPR:$L, GPR:$R), 2)>;
181 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETUEQ),
182 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
183 (OR (FCMP_UN GPR:$L, GPR:$R),
184 (FCMP_EQ GPR:$L, GPR:$R)), 2)>;
185 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETUNE),
186 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
187 (FCMP_NE GPR:$L, GPR:$R), 2)>;
188 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETUGT),
189 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
190 (OR (FCMP_UN GPR:$L, GPR:$R),
191 (FCMP_GT GPR:$L, GPR:$R)), 2)>;
192 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETULT),
193 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
194 (OR (FCMP_UN GPR:$L, GPR:$R),
195 (FCMP_LT GPR:$L, GPR:$R)), 2)>;
196 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETUGE),
197 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
198 (OR (FCMP_UN GPR:$L, GPR:$R),
199 (FCMP_GE GPR:$L, GPR:$R)), 2)>;
200 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETULE),
201 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
202 (OR (FCMP_UN GPR:$L, GPR:$R),
203 (FCMP_LE GPR:$L, GPR:$R)), 2)>;
204 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETO),
205 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
206 (FCMP_UN GPR:$L, GPR:$R), 1)>;
207 def : Pat<(setcc (f32 GPR:$L), (f32 GPR:$R), SETUO),
208 (Select_CC (ADDIK (i32 R0), 1), (ADDIK (i32 R0), 0),
209 (FCMP_UN GPR:$L, GPR:$R), 2)>;
213 def : Pat<(select (i32 GPR:$C), (f32 GPR:$T), (f32 GPR:$F)),
214 (Select_FCC GPR:$T, GPR:$F, GPR:$C, 2)>;
216 //===----------------------------------------------------------------------===//
217 // Patterns for Floating Point Instructions
218 //===----------------------------------------------------------------------===//
219 def : Pat<(f32 fpimm:$imm), (FORI (i32 R0), fpimm:$imm)>;