PPCInstrInfo.td revision d332fd54f57e4d91267d7f4e4ee8d35003c7ef78 
1//===- PowerPCInstrInfo.td - The PowerPC Instruction Set -----*- tablegen -*-=//
2// 
3//                     The LLVM Compiler Infrastructure
4//
5// This file was developed by the LLVM research group and is distributed under
6// the University of Illinois Open Source License. See LICENSE.TXT for details.
7// 
8//===----------------------------------------------------------------------===//
9//
10// This file describes the subset of the 32-bit PowerPC instruction set, as used
11// by the PowerPC instruction selector.
12//
13//===----------------------------------------------------------------------===//
14
15include "PowerPCInstrFormats.td"
16
17let isTerminator = 1, isReturn = 1 in
18  def BLR : XLForm_2_ext<"blr", 19, 16, 20, 31, 1, 0, 0>;
19
20class II<dag OL, string asmstr> {
21  dag OperandList = OL;
22  string AsmString = asmstr;
23}
24
25def u5imm   : Operand<i8> {
26  let PrintMethod = "printU5ImmOperand";
27}
28def u16imm  : Operand<i16> {
29  let PrintMethod = "printU16ImmOperand";
30}
31
32
33// Pseudo-instructions:
34def PHI : Pseudo<"PHI">;          // PHI node...
35def ADJCALLSTACKDOWN : Pseudo<"ADJCALLSTACKDOWN">;
36def ADJCALLSTACKUP : Pseudo<"ADJCALLSTACKUP">;
37let Defs = [LR] in
38  def MovePCtoLR : Pseudo<"MovePCtoLR">;
39def IMPLICIT_DEF : Pseudo<"IMPLICIT_DEF">;
40
41def LA : DForm_2<"la", 14, 0, 0>;
42def LOADHiAddr : DForm_2_r0<"addis", 15, 0, 0>;
43
44def ADDI : DForm_2<"addi", 14, 0, 0>;
45def ADDIS : DForm_2<"addis", 15, 0, 0>;
46def SUBI : DForm_2<"subi", 14, 0, 0>;
47def LI : DForm_2_r0<"li", 14, 0, 0>;
48def LIS : DForm_2_r0<"lis", 15, 0, 0>;
49def ADDIC : DForm_2<"addic",  12, 0, 0>;
50def ADDICo : DForm_2<"addic.",  13, 0, 0>;
51def ADD : XOForm_1<"add", 31, 266, 0, 0, 0, 0>;
52def ADDC : XOForm_1<"addc", 31, 10, 0, 0, 0, 0>;
53def ADDE : XOForm_1<"adde", 31, 138, 0, 0, 0, 0>;
54def ADDZE : XOForm_3<"addze", 31, 202, 0, 0, 0, 0>;
55def ANDIo : DForm_4<28, 0, 0,
56                   (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
57                   "andi. $dst, $src1, $src2">;
58
59let isBranch = 1, isTerminator = 1 in {
60  def COND_BRANCH : Pseudo<"COND_BRANCH">;
61  def B : IForm<"b", 18, 0, 0, 0, 0>;
62  // FIXME: 4*CR# needs to be added to the BI field!
63  // This will only work for CR0 as it stands now
64  def BLT : BForm_ext<"blt", 16, 0, 0, 12, 0, 0, 0>;
65  def BLE : BForm_ext<"ble", 16, 0, 0, 4,  1, 0, 0>;
66  def BEQ : BForm_ext<"beq", 16, 0, 0, 12, 2, 0, 0>;
67  def BGE : BForm_ext<"bge", 16, 0, 0, 4,  0, 0, 0>;
68  def BGT : BForm_ext<"bgt", 16, 0, 0, 12, 1, 0, 0>;
69  def BNE : BForm_ext<"bne", 16, 0, 0, 4,  2, 0, 0>;
70}
71
72let isBranch = 1, isTerminator = 1, isCall = 1, 
73  // All calls clobber the non-callee saved registers...
74  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
75          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
76          LR,XER,CTR,
77          CR0,CR1,CR5,CR6,CR7] in {
78  // Convenient aliases for call instructions
79  def CALLpcrel : IForm<"bl", 18, 0, 1, 0, 0>;
80  def CALLindirect : XLForm_2_ext<"bctrl", 19, 528, 20, 31, 1, 0, 0>;
81}
82
83def CMPI : DForm_5<"cmpi", 11, 0, 0>;
84def CMPWI : DForm_5_ext<"cmpwi", 11, 0, 0>;
85def CMPDI : DForm_5_ext<"cmpdi", 11, 1, 0>;
86def CMP : XForm_16<"cmp", 31, 0, 0, 0>;
87def CMPW : XForm_16_ext<"cmpw", 31, 0, 0, 0>;
88def CMPD : XForm_16_ext<"cmpd", 31, 0, 1, 0>;
89def CMPLI : DForm_6<10, 0, 0,
90                    (ops CRRC:$dst, i1imm:$size, GPRC:$src1, u16imm:$src2),
91                         "cmpli $dst, $size, $src1, $src2">;
92def CMPLWI : DForm_6_ext<10, 0, 0,
93                         (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
94                         "cmplwi $dst, $src1, $src2">;
95def CMPLDI : DForm_6_ext<10, 1, 0,
96                         (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
97                         "cmpldi $dst, $src1, $src2">;
98def CMPL : XForm_16<"cmpl", 31, 32, 0, 0>;
99def CMPLW : XForm_16_ext<"cmplw", 31, 32, 0, 0>;
100def CMPLD : XForm_16_ext<"cmpld", 31, 32, 1, 0>;
101def DIVW : XOForm_1<"divw", 31, 491, 0, 0, 0, 0>;
102def DIVWU : XOForm_1<"divwu", 31, 459, 0, 0, 0, 0>;
103def FADD : AForm_2<"fadd", 63, 21, 0, 0, 0>;
104def FADDS : AForm_2<"fadds", 59, 21, 0, 0, 0>;
105def FSUB : AForm_2<"fsub", 63, 20, 0, 0, 0>;
106def FSUBS : AForm_2<"fsubs", 59, 20, 0, 0, 0>;
107def FMADD : AForm_2<"fmul", 63, 29, 0, 0, 0>;
108def FMUL : AForm_3<"fmul", 63, 25, 0, 0, 0>;
109def FMULS : AForm_3<"fmuls", 59, 25, 0, 0, 0>;
110def FDIV : AForm_2<"fdiv", 63, 18, 0, 0, 0>;
111def FDIVS : AForm_2<"fdivs", 59, 18, 0, 0, 0>;
112def FSEL : AForm_1<"fsel", 63, 23, 0, 0, 0>;
113def FCMPU : XForm_17<"fcmpu", 63, 0, 0, 0>;
114def LBZ : DForm_1<"lbz", 35, 0, 0>;
115def LHA : DForm_1<"lha", 42, 0, 0>;
116def LHZ : DForm_1<"lhz", 40, 0, 0>;
117def LWZ : DForm_1<"lwz", 32, 0, 0>;
118def LWA : DSForm_1<"lwa", 58, 2, 1, 0>;
119def LD : DSForm_2<"ld", 58, 0, 1, 0>;
120def LMW : DForm_1<"lmw", 46, 0, 0>;
121def STMW : DForm_3<"stmw", 47, 0, 0>;
122def LFS : DForm_8<"lfs", 48, 0, 0>;
123def LFD : DForm_8<"lfd", 50, 0, 0>;
124def MFLR : XFXForm_1_ext<"", 31, 399, 8, 0, 0>,
125                      II<(ops GPRC:$reg), "mflr $reg">;
126def MFCTR : XFXForm_1_ext<"mfctr", 31, 399, 9, 0, 0>;
127def MTLR : XFXForm_7_ext<"mtlr", 31, 467, 8, 0, 0>;
128def MTCTR : XFXForm_7_ext<"mtctr", 31, 467, 9, 0, 0>;
129def MULLD : XOForm_1<"mulld", 31, 233, 0, 0, 1, 0>;
130def MULLW : XOForm_1<"mullw", 31, 235, 0, 0, 0, 0>;
131def MULHWU : XOForm_2<"mulhwu", 31, 11, 0, 0, 0>;
132def NEG : XOForm_3<"neg", 31, 104, 0, 0, 0, 0>;
133def NOP : DForm_4_zero<"nop", 24, 0, 0, (ops), "nop">;
134def ORI  : DForm_4<24, 0, 0,
135                   (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
136                   "ori $dst, $src1, $src2">;
137def ORIS : DForm_4<25, 0, 0,
138                   (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
139                   "oris $dst, $src1, $src2">;
140def RLDICL : MDForm_1<"rldicl", 30, 0, 0, 1, 0>;
141def RLDICR : MDForm_1<"rldicr", 30, 1, 0, 1, 0>;
142def RLWINM : MForm_2<"rlwinm", 21, 0, 0, 0>;
143def RLWNM : MForm_1<"rlwnm", 23, 0, 0, 0>;
144def RLWIMI : MForm_2<"rlwimi", 20, 0, 0, 0>;
145def SRADI  : XSForm_1<"sradi",  31, 413, 0, 1, 0>;
146def SRWI : MForm_2<"srwi", 21, 0, 0, 0>;
147def STB : DForm_3<"stb", 38, 0, 0>;
148def STBU : DForm_3<"stbu", 39, 0, 0>;
149def STH : DForm_3<"sth", 44, 0, 0>;
150def STHU : DForm_3<"sthu", 45, 0, 0>;
151def STW : DForm_3<"stw", 36, 0, 0>;
152def STWU : DForm_3<"stwu", 37, 0, 0>;
153def STD : DSForm_2<"std", 62, 0, 1, 0>;
154def STDU : DSForm_2<"stdu", 62, 1, 1, 0>;
155def STFS : DForm_9<"stfs", 52, 0, 0>;
156def STFD : DForm_9<"stfd", 54, 0, 0>;
157def SUBFIC : DForm_2<"subfic", 8, 0, 0>;
158def SUB : XOForm_1_rev<"sub", 31, 40, 0, 0, 0, 0>;
159def SUBF : XOForm_1<"subf", 31, 40, 0, 0, 0, 0>;
160def SUBC : XOForm_1_rev<"subc", 31, 8, 0, 0, 0, 0>;
161def SUBFC : XOForm_1<"subfc", 31, 8, 0, 0, 0, 0>;
162def SUBFE : XOForm_1<"subfe", 31, 136, 0, 0, 0, 0>;
163def SUBFZE : XOForm_3<"subfze", 31, 200, 0, 0, 0, 0>;
164def XORI  : DForm_4<26, 0, 0,
165                   (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
166                   "xori $dst, $src1, $src2">;
167def XORIS : DForm_4<27, 0, 0,
168                   (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
169                   "xoris $dst, $src1, $src2">;
170def MULLI : DForm_2<"mulli", 7, 0, 0>;
171
172
173def LBZX : XForm_1<31,  87, 0, 0, (ops GPRC:$dst, GPRC:$base, GPRC:$index),
174                   "lbzx $dst, $base, $index">;
175def LHAX : XForm_1<31, 343, 0, 0, (ops GPRC:$dst, GPRC:$base, GPRC:$index),
176                   "lhax $dst, $base, $index">;
177def LHZX : XForm_1<31, 279, 0, 0, (ops GPRC:$dst, GPRC:$base, GPRC:$index),
178                   "lhzx $dst, $base, $index">;
179def LWAX : XForm_1<31, 341, 1, 0, (ops GPRC:$dst, GPRC:$base, GPRC:$index),
180                   "lwax $dst, $base, $index">;
181def LWZX : XForm_1<31,  23, 0, 0, (ops GPRC:$dst, GPRC:$base, GPRC:$index),
182                   "lwzx $dst, $base, $index">;
183def LDX  : XForm_1<31,  21, 1, 0, (ops GPRC:$dst, GPRC:$base, GPRC:$index),
184                   "ldx $dst, $base, $index">;
185def MFCR : XForm_5<31,  19, 0, 0, (ops GPRC:$dst), "mfcr $dst">;
186def AND  : XForm_6<31,  28, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
187                   "and $rA, $rS, $rB">;
188def ANDC : XForm_6<31,  60, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
189                   "andc $rA, $rS, $rB">;
190def EQV  : XForm_6<31, 284, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
191                   "eqv $rA, $rS, $rB">;
192def NAND : XForm_6<31, 476, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
193                   "nand $rA, $rS, $rB">;
194def NOR  : XForm_6<31, 124, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
195                   "nor $rA, $rS, $rB">;
196def OR   : XForm_6<31, 444, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
197                   "or $rA, $rS, $rB">;
198def ORo  : XForm_6<31, 444, 1, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
199                   "or. $rA, $rS, $rB">;
200def ORC  : XForm_6<31, 412, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
201                   "orc $rA, $rS, $rB">;
202def SLD  : XForm_6<31,  27, 0, 1, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
203                   "sld $rA, $rS, $rB">;
204def SLW  : XForm_6<31,  24, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
205                   "slw $rA, $rS, $rB">;
206def SRD  : XForm_6<31, 539, 0, 1, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
207                   "srd $rA, $rS, $rB">;
208def SRW  : XForm_6<31, 536, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
209                   "srw $rA, $rS, $rB">;
210def SRAD : XForm_6<31, 794, 0, 1, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
211                   "srad $rA, $rS, $rB">;
212def SRAW : XForm_6<31, 792, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
213                   "sraw $rA, $rS, $rB">;
214def XOR  : XForm_6<31, 316, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
215                   "xor $rA, $rS, $rB">;
216def STBX  : XForm_8<31, 215, 0, 0, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
217                   "stbx $rS, $rA, $rB">;
218def STHX  : XForm_8<31, 407, 0, 0, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
219                   "sthx $rS, $rA, $rB">;
220def STWX  : XForm_8<31, 151, 0, 0, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
221                   "stwx $rS, $rA, $rB">;
222def STWUX : XForm_8<31, 183, 0, 0, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
223                   "stwux $rS, $rA, $rB">;
224def STDX  : XForm_8<31, 149, 1, 0, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
225                   "stdx $rS, $rA, $rB">;
226def STDUX : XForm_8<31, 181, 1, 0, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
227                   "stdux $rS, $rA, $rB">;
228def SRAWI : XForm_10<31, 824, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS, u5imm:$SH), 
229                     "srawi $rA, $rS, $SH">;
230def CNTLZW : XForm_11<31,  26, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS),
231                      "cntlzw $rA, $rS">;
232def EXTSB  : XForm_11<31, 954, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS),
233                      "extsb $rA, $rS">;
234def EXTSH  : XForm_11<31, 922, 0, 0, 0, (ops GPRC:$rA, GPRC:$rS),
235                      "extsh $rA, $rS">;
236def EXTSW  : XForm_11<31, 986, 0, 1, 0, (ops GPRC:$rA, GPRC:$rS),
237                      "extsw $rA, $rS">;
238def LFSX : XForm_25<31, 535, 0, 0, (ops FPRC:$dst, GPRC:$base, GPRC:$index),
239                   "lfsx $dst, $base, $index">;
240def LFDX : XForm_25<31, 599, 0, 0, (ops FPRC:$dst, GPRC:$base, GPRC:$index),
241                   "lfdx $dst, $base, $index">;
242def FCFID  : XForm_26<63, 846, 0, 1, 0, (ops FPRC:$frD, FPRC:$frB),
243                      "fcfid $frD, $frB">;
244def FCTIDZ : XForm_26<63, 815, 0, 1, 0, (ops FPRC:$frD, FPRC:$frB),
245                      "fctidz $frD, $frB">;
246def FCTIWZ : XForm_26<63, 15, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
247                      "fctiwz $frD, $frB">;
248def FMR    : XForm_26<63, 72, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
249                      "fmr $frD, $frB">;
250def FNEG   : XForm_26<63, 80, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
251                      "fneg $frD, $frB">;
252def FRSP   : XForm_26<63, 12, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
253                      "frsp $frD, $frB">;
254def STFSX : XForm_28<31, 663, 0, 0, (ops FPRC:$frS, GPRC:$rA, GPRC:$rB),
255                     "stfsx $frS, $rA, $rB">;
256def STFDX : XForm_28<31, 727, 0, 0, (ops FPRC:$frS, GPRC:$rA, GPRC:$rB),
257                     "stfdx $frS, $rA, $rB">;
258def CRAND  : XLForm_1<19, 257, 0, 0, (ops u5imm:$D, u5imm:$A, u5imm:$B),
259                      "crand $D, $A, $B">;
260def CRANDC : XLForm_1<19, 129, 0, 0, (ops u5imm:$D, u5imm:$A, u5imm:$B),
261                      "crandc $D, $A, $B">;
262def CRNOR  : XLForm_1<19,  33, 0, 0, (ops u5imm:$D, u5imm:$A, u5imm:$B),
263                      "crnor $D, $A, $B">;
264def CROR   : XLForm_1<19, 449, 0, 0, (ops u5imm:$D, u5imm:$A, u5imm:$B),
265                      "cror $D, $A, $B">;
266