PPCInstr64Bit.td revision 7c395ad06f0eaaffa638da58899b51daba2041a4
1//===- PPCInstr64Bit.td - The PowerPC 64-bit Support -------*- tablegen -*-===//
2// 
3//                     The LLVM Compiler Infrastructure
4//
5// This file was developed by Chris Lattner 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 PowerPC 64-bit instructions.  These patterns are used
11// both when in ppc64 mode and when in "use 64-bit extensions in 32-bit" mode.
12//
13//===----------------------------------------------------------------------===//
14
15//===----------------------------------------------------------------------===//
16// 64-bit operands.
17//
18def s16imm64 : Operand<i64> {
19  let PrintMethod = "printS16ImmOperand";
20}
21def u16imm64 : Operand<i64> {
22  let PrintMethod = "printU16ImmOperand";
23}
24def symbolHi64 : Operand<i64> {
25  let PrintMethod = "printSymbolHi";
26}
27def symbolLo64 : Operand<i64> {
28  let PrintMethod = "printSymbolLo";
29}
30
31//===----------------------------------------------------------------------===//
32// 64-bit transformation functions.
33//
34
35def SHL64 : SDNodeXForm<imm, [{
36  // Transformation function: 63 - imm
37  return getI32Imm(63 - N->getValue());
38}]>;
39
40def SRL64 : SDNodeXForm<imm, [{
41  // Transformation function: 64 - imm
42  return N->getValue() ? getI32Imm(64 - N->getValue()) : getI32Imm(0);
43}]>;
44
45def HI32_48 : SDNodeXForm<imm, [{
46  // Transformation function: shift the immediate value down into the low bits.
47  return getI32Imm((unsigned short)(N->getValue() >> 32));
48}]>;
49
50def HI48_64 : SDNodeXForm<imm, [{
51  // Transformation function: shift the immediate value down into the low bits.
52  return getI32Imm((unsigned short)(N->getValue() >> 48));
53}]>;
54
55
56//===----------------------------------------------------------------------===//
57// Pseudo instructions.
58//
59
60def IMPLICIT_DEF_G8RC : Pseudo<(ops G8RC:$rD), "; IMPLICIT_DEF_G8RC $rD",
61                              [(set G8RC:$rD, (undef))]>;
62
63let Pattern = [(PPCmtctr G8RC:$rS)] in {
64def MTCTR8 : XFXForm_7_ext<31, 467, 9, (ops G8RC:$rS), "mtctr $rS", SprMTSPR>,
65            PPC970_DGroup_First, PPC970_Unit_FXU;
66}
67
68//===----------------------------------------------------------------------===//
69// Fixed point instructions.
70//
71
72let PPC970_Unit = 1 in {  // FXU Operations.
73
74// Copies, extends, truncates.
75def OR4To8  : XForm_6<31, 444, (ops G8RC:$rA, GPRC:$rS, GPRC:$rB),
76                   "or $rA, $rS, $rB", IntGeneral,
77                   []>;
78def OR8To4  : XForm_6<31, 444, (ops GPRC:$rA, G8RC:$rS, G8RC:$rB),
79                   "or $rA, $rS, $rB", IntGeneral,
80                   []>;
81
82def LI8  : DForm_2_r0<14, (ops G8RC:$rD, symbolLo64:$imm),
83                      "li $rD, $imm", IntGeneral,
84                      [(set G8RC:$rD, immSExt16:$imm)]>;
85def LIS8 : DForm_2_r0<15, (ops G8RC:$rD, symbolHi64:$imm),
86                      "lis $rD, $imm", IntGeneral,
87                      [(set G8RC:$rD, imm16ShiftedSExt:$imm)]>;
88
89// Logical ops.
90def NAND8: XForm_6<31, 476, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
91                   "nand $rA, $rS, $rB", IntGeneral,
92                   [(set G8RC:$rA, (not (and G8RC:$rS, G8RC:$rB)))]>;
93def AND8 : XForm_6<31,  28, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
94                   "and $rA, $rS, $rB", IntGeneral,
95                   [(set G8RC:$rA, (and G8RC:$rS, G8RC:$rB))]>;
96def ANDC8: XForm_6<31,  60, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
97                   "andc $rA, $rS, $rB", IntGeneral,
98                   [(set G8RC:$rA, (and G8RC:$rS, (not G8RC:$rB)))]>;
99def OR8  : XForm_6<31, 444, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
100                   "or $rA, $rS, $rB", IntGeneral,
101                   [(set G8RC:$rA, (or G8RC:$rS, G8RC:$rB))]>;
102def NOR8 : XForm_6<31, 124, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
103                   "nor $rA, $rS, $rB", IntGeneral,
104                   [(set G8RC:$rA, (not (or G8RC:$rS, G8RC:$rB)))]>;
105def ORC8 : XForm_6<31, 412, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
106                   "orc $rA, $rS, $rB", IntGeneral,
107                   [(set G8RC:$rA, (or G8RC:$rS, (not G8RC:$rB)))]>;
108def EQV8 : XForm_6<31, 284, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
109                   "eqv $rA, $rS, $rB", IntGeneral,
110                   [(set G8RC:$rA, (not (xor G8RC:$rS, G8RC:$rB)))]>;
111def XOR8 : XForm_6<31, 316, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
112                   "xor $rA, $rS, $rB", IntGeneral,
113                   [(set G8RC:$rA, (xor G8RC:$rS, G8RC:$rB))]>;
114
115// Logical ops with immediate.
116def ANDIo8  : DForm_4<28, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
117                      "andi. $dst, $src1, $src2", IntGeneral,
118                      [(set G8RC:$dst, (and G8RC:$src1, immZExt16:$src2))]>,
119                      isDOT;
120def ANDISo8 : DForm_4<29, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
121                     "andis. $dst, $src1, $src2", IntGeneral,
122                    [(set G8RC:$dst, (and G8RC:$src1,imm16ShiftedZExt:$src2))]>,
123                     isDOT;
124def ORI8    : DForm_4<24, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
125                      "ori $dst, $src1, $src2", IntGeneral,
126                      [(set G8RC:$dst, (or G8RC:$src1, immZExt16:$src2))]>;
127def ORIS8   : DForm_4<25, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
128                      "oris $dst, $src1, $src2", IntGeneral,
129                    [(set G8RC:$dst, (or G8RC:$src1, imm16ShiftedZExt:$src2))]>;
130def XORI8   : DForm_4<26, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
131                      "xori $dst, $src1, $src2", IntGeneral,
132                      [(set G8RC:$dst, (xor G8RC:$src1, immZExt16:$src2))]>;
133def XORIS8  : DForm_4<27, (ops G8RC:$dst, G8RC:$src1, u16imm:$src2),
134                      "xoris $dst, $src1, $src2", IntGeneral,
135                   [(set G8RC:$dst, (xor G8RC:$src1, imm16ShiftedZExt:$src2))]>;
136
137def ADD8  : XOForm_1<31, 266, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
138                     "add $rT, $rA, $rB", IntGeneral,
139                     [(set G8RC:$rT, (add G8RC:$rA, G8RC:$rB))]>;
140def ADDI8  : DForm_2<14, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
141                     "addi $rD, $rA, $imm", IntGeneral,
142                     [(set G8RC:$rD, (add G8RC:$rA, immSExt16:$imm))]>;
143def ADDIS8 : DForm_2<15, (ops G8RC:$rD, G8RC:$rA, symbolHi64:$imm),
144                     "addis $rD, $rA, $imm", IntGeneral,
145                     [(set G8RC:$rD, (add G8RC:$rA, imm16ShiftedSExt:$imm))]>;
146
147def SUBFIC8: DForm_2< 8, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
148                     "subfic $rD, $rA, $imm", IntGeneral,
149                     [(set G8RC:$rD, (subc immSExt16:$imm, G8RC:$rA))]>;
150def SUBF8 : XOForm_1<31, 40, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
151                     "subf $rT, $rA, $rB", IntGeneral,
152                     [(set G8RC:$rT, (sub G8RC:$rB, G8RC:$rA))]>;
153
154
155def MULHD : XOForm_1<31, 73, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
156                     "mulhd $rT, $rA, $rB", IntMulHW,
157                     [(set G8RC:$rT, (mulhs G8RC:$rA, G8RC:$rB))]>;
158def MULHDU : XOForm_1<31, 9, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
159                     "mulhdu $rT, $rA, $rB", IntMulHWU,
160                     [(set G8RC:$rT, (mulhu G8RC:$rA, G8RC:$rB))]>;
161
162def CMPD   : XForm_16_ext<31, 0, (ops CRRC:$crD, G8RC:$rA, G8RC:$rB),
163                          "cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
164def CMPLD  : XForm_16_ext<31, 32, (ops CRRC:$crD, G8RC:$rA, G8RC:$rB),
165                          "cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
166def CMPDI  : DForm_5_ext<11, (ops CRRC:$crD, G8RC:$rA, s16imm:$imm),
167                         "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
168def CMPLDI : DForm_6_ext<10, (ops CRRC:$dst, G8RC:$src1, u16imm:$src2),
169                         "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
170
171def SLD  : XForm_6<31,  27, (ops G8RC:$rA, G8RC:$rS, GPRC:$rB),
172                   "sld $rA, $rS, $rB", IntRotateD,
173                   [(set G8RC:$rA, (shl G8RC:$rS, GPRC:$rB))]>, isPPC64;
174def SRD  : XForm_6<31, 539, (ops G8RC:$rA, G8RC:$rS, GPRC:$rB),
175                   "srd $rA, $rS, $rB", IntRotateD,
176                   [(set G8RC:$rA, (srl G8RC:$rS, GPRC:$rB))]>, isPPC64;
177def SRAD : XForm_6<31, 794, (ops G8RC:$rA, G8RC:$rS, GPRC:$rB),
178                   "srad $rA, $rS, $rB", IntRotateD,
179                   [(set G8RC:$rA, (sra G8RC:$rS, GPRC:$rB))]>, isPPC64;
180def EXTSW  : XForm_11<31, 986, (ops G8RC:$rA, G8RC:$rS),
181                      "extsw $rA, $rS", IntGeneral,
182                      [(set G8RC:$rA, (sext_inreg G8RC:$rS, i32))]>, isPPC64;
183/// EXTSW_32 - Just like EXTSW, but works on '32-bit' registers.
184def EXTSW_32 : XForm_11<31, 986, (ops GPRC:$rA, GPRC:$rS),
185                      "extsw $rA, $rS", IntGeneral,
186                      [(set GPRC:$rA, (PPCextsw_32 GPRC:$rS))]>, isPPC64;
187def EXTSW_32_64 : XForm_11<31, 986, (ops G8RC:$rA, GPRC:$rS),
188                      "extsw $rA, $rS", IntGeneral,
189                      [(set G8RC:$rA, (sext GPRC:$rS))]>, isPPC64;
190
191def SRADI  : XSForm_1<31, 413, (ops G8RC:$rA, G8RC:$rS, u6imm:$SH),
192                      "sradi $rA, $rS, $SH", IntRotateD,
193                      [(set G8RC:$rA, (sra G8RC:$rS, (i32 imm:$SH)))]>, isPPC64;
194                      
195def DIVD  : XOForm_1<31, 489, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
196                     "divd $rT, $rA, $rB", IntDivD,
197                     [(set G8RC:$rT, (sdiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
198                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
199def DIVDU : XOForm_1<31, 457, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
200                     "divdu $rT, $rA, $rB", IntDivD,
201                     [(set G8RC:$rT, (udiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
202                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
203def MULLD : XOForm_1<31, 233, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
204                     "mulld $rT, $rA, $rB", IntMulHD,
205                     [(set G8RC:$rT, (mul G8RC:$rA, G8RC:$rB))]>, isPPC64;
206
207
208let isTwoAddress = 1, isCommutable = 1 in {
209def RLDIMI : MDForm_1<30, 3,
210                      (ops G8RC:$rA, G8RC:$rSi, G8RC:$rS, u6imm:$SH, u6imm:$MB),
211                      "rldimi $rA, $rS, $SH, $MB", IntRotateD,
212                      []>, isPPC64;
213}
214
215// Rotate instructions.
216def RLDICL : MDForm_1<30, 0,
217                      (ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$MB),
218                      "rldicl $rA, $rS, $SH, $MB", IntRotateD,
219                      []>, isPPC64;
220def RLDICR : MDForm_1<30, 1,
221                      (ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$ME),
222                      "rldicr $rA, $rS, $SH, $ME", IntRotateD,
223                      []>, isPPC64;
224}  // End FXU Operations.
225
226
227//===----------------------------------------------------------------------===//
228// Load/Store instructions.
229//
230
231
232let isLoad = 1, PPC970_Unit = 2 in {
233// Sign extending loads.
234def LHA8: DForm_1<42, (ops G8RC:$rD, memri:$src),
235                  "lha $rD, $src", LdStLHA,
236                  [(set G8RC:$rD, (sextload iaddr:$src, i16))]>,
237                  PPC970_DGroup_Cracked;
238def LWA  : DSForm_1<58, 2, (ops G8RC:$rD, memrix:$src),
239                    "lwa $rD, $src", LdStLWA,
240                    [(set G8RC:$rD, (sextload ixaddr:$src, i32))]>, isPPC64,
241                    PPC970_DGroup_Cracked;
242def LHAX8: XForm_1<31, 343, (ops G8RC:$rD, memrr:$src),
243                   "lhax $rD, $src", LdStLHA,
244                   [(set G8RC:$rD, (sextload xaddr:$src, i16))]>,
245                   PPC970_DGroup_Cracked;
246def LWAX : XForm_1<31, 341, (ops G8RC:$rD, memrr:$src),
247                   "lwax $rD, $src", LdStLHA,
248                   [(set G8RC:$rD, (sextload xaddr:$src, i32))]>, isPPC64,
249                   PPC970_DGroup_Cracked;
250
251// Zero extending loads.
252def LBZ8 : DForm_1<34, (ops G8RC:$rD, memri:$src),
253                  "lbz $rD, $src", LdStGeneral,
254                  [(set G8RC:$rD, (zextload iaddr:$src, i8))]>;
255def LHZ8 : DForm_1<40, (ops G8RC:$rD, memri:$src),
256                  "lhz $rD, $src", LdStGeneral,
257                  [(set G8RC:$rD, (zextload iaddr:$src, i16))]>;
258def LWZ8 : DForm_1<32, (ops G8RC:$rD, memri:$src),
259                  "lwz $rD, $src", LdStGeneral,
260                  [(set G8RC:$rD, (zextload iaddr:$src, i32))]>, isPPC64;
261
262def LBZX8 : XForm_1<31,  87, (ops G8RC:$rD, memrr:$src),
263                   "lbzx $rD, $src", LdStGeneral,
264                   [(set G8RC:$rD, (zextload xaddr:$src, i8))]>;
265def LHZX8 : XForm_1<31, 279, (ops G8RC:$rD, memrr:$src),
266                   "lhzx $rD, $src", LdStGeneral,
267                   [(set G8RC:$rD, (zextload xaddr:$src, i16))]>;
268def LWZX8 : XForm_1<31,  23, (ops G8RC:$rD, memrr:$src),
269                   "lwzx $rD, $src", LdStGeneral,
270                   [(set G8RC:$rD, (zextload xaddr:$src, i32))]>;
271
272
273// Full 8-byte loads.
274def LD   : DSForm_2<58, 0, (ops G8RC:$rD, memrix:$src),
275                    "ld $rD, $src", LdStLD,
276                    [(set G8RC:$rD, (load ixaddr:$src))]>, isPPC64;
277def LDX  : XForm_1<31,  21, (ops G8RC:$rD, memrr:$src),
278                   "ldx $rD, $src", LdStLD,
279                   [(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;
280}
281
282let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
283// Normal stores.
284def STD  : DSForm_2<62, 0, (ops G8RC:$rS, memrix:$dst),
285                    "std $rS, $dst", LdStSTD,
286                    [(store G8RC:$rS, ixaddr:$dst)]>, isPPC64;
287def STDX  : XForm_8<31, 149, (ops G8RC:$rS, memrr:$dst),
288                   "stdx $rS, $dst", LdStSTD,
289                   [(store G8RC:$rS, xaddr:$dst)]>, isPPC64,
290                   PPC970_DGroup_Cracked;
291def STDUX : XForm_8<31, 181, (ops G8RC:$rS, memrr:$dst),
292                   "stdux $rS, $dst", LdStSTD,
293                   []>, isPPC64;
294                   
295// STD_32/STDX_32 - Just like STD/STDX, but uses a '32-bit' input register.
296def STD_32  : DSForm_2<62, 0, (ops GPRC:$rT, memrix:$dst),
297                       "std $rT, $dst", LdStSTD,
298                       [(PPCstd_32  GPRC:$rT, ixaddr:$dst)]>, isPPC64;
299def STDX_32  : XForm_8<31, 149, (ops GPRC:$rT, memrr:$dst),
300                       "stdx $rT, $dst", LdStSTD,
301                       [(PPCstd_32  GPRC:$rT, xaddr:$dst)]>, isPPC64,
302                       PPC970_DGroup_Cracked;
303
304// Truncating stores.                       
305def STB8 : DForm_3<38, (ops G8RC:$rS, memri:$src),
306                   "stb $rS, $src", LdStGeneral,
307                   [(truncstore G8RC:$rS, iaddr:$src, i8)]>;
308def STH8 : DForm_3<44, (ops G8RC:$rS, memri:$src),
309                   "sth $rS, $src", LdStGeneral,
310                   [(truncstore G8RC:$rS, iaddr:$src, i16)]>;
311def STW8 : DForm_3<36, (ops G8RC:$rS, memri:$src),
312                   "stw $rS, $src", LdStGeneral,
313                   [(truncstore G8RC:$rS, iaddr:$src, i32)]>;
314def STBX8 : XForm_8<31, 215, (ops G8RC:$rS, memrr:$dst),
315                   "stbx $rS, $dst", LdStGeneral,
316                   [(truncstore G8RC:$rS, xaddr:$dst, i8)]>, 
317                   PPC970_DGroup_Cracked;
318def STHX8 : XForm_8<31, 407, (ops G8RC:$rS, memrr:$dst),
319                   "sthx $rS, $dst", LdStGeneral,
320                   [(truncstore G8RC:$rS, xaddr:$dst, i16)]>, 
321                   PPC970_DGroup_Cracked;
322def STWX8 : XForm_8<31, 151, (ops G8RC:$rS, memrr:$dst),
323                   "stwx $rS, $dst", LdStGeneral,
324                   [(truncstore G8RC:$rS, xaddr:$dst, i32)]>,
325                   PPC970_DGroup_Cracked;
326}
327
328
329
330//===----------------------------------------------------------------------===//
331// Floating point instructions.
332//
333
334
335let PPC970_Unit = 3 in {  // FPU Operations.
336def FCFID  : XForm_26<63, 846, (ops F8RC:$frD, F8RC:$frB),
337                      "fcfid $frD, $frB", FPGeneral,
338                      [(set F8RC:$frD, (PPCfcfid F8RC:$frB))]>, isPPC64;
339def FCTIDZ : XForm_26<63, 815, (ops F8RC:$frD, F8RC:$frB),
340                      "fctidz $frD, $frB", FPGeneral,
341                      [(set F8RC:$frD, (PPCfctidz F8RC:$frB))]>, isPPC64;
342}
343
344
345//===----------------------------------------------------------------------===//
346// Instruction Patterns
347//
348
349// Immediate support.
350// Handled above:
351//   sext(0x0000_0000_0000_FFFF,  i8) -> li imm
352//   sext(0x0000_0000_FFFF_0000, i16) -> lis imm>>16
353
354// sext(0x0000_0000_FFFF_FFFF,  i16)  -> lis + ori
355def sext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
356  return N->getValue() == (uint64_t)(int32_t)N->getValue();
357}]>;
358def : Pat<(i64 sext_0x0000_0000_FFFF_FFFF_i16:$imm),
359          (ORI8 (LIS8 (HI16 imm:$imm)), (LO16 imm:$imm))>;
360
361// zext(0x0000_0000_FFFF_7FFF, i16) -> oris (li lo16(imm)), imm>>16
362def zext_0x0000_0000_FFFF_7FFF_i16 : PatLeaf<(imm), [{
363  return (N->getValue() & 0xFFFFFFFF00008000ULL) == 0;
364}]>;
365def : Pat<(i64 zext_0x0000_0000_FFFF_7FFF_i16:$imm),
366          (ORIS8 (LI8 (LO16 imm:$imm)), (HI16 imm:$imm))>;
367
368// zext(0x0000_0000_FFFF_FFFF, i16) -> oris (ori (li 0), lo16(imm)), imm>>16
369def zext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
370  return (N->getValue() & 0xFFFFFFFF00000000ULL) == 0;
371}]>;
372def : Pat<(i64 zext_0x0000_0000_FFFF_FFFF_i16:$imm),
373          (ORIS8 (ORI8 (LI8 0), (LO16 imm:$imm)), (HI16 imm:$imm))>;
374
375// FIXME: Handle smart forms where the top 32-bits are set.  Right now, stuff
376// like 0xABCD0123BCDE0000 hits the case below, which produces ORI R, R, 0's! 
377
378// Fully general (and most expensive: 6 instructions!) immediate pattern.
379def : Pat<(i64 imm:$imm),
380          (ORI8 
381             (ORIS8 
382                (RLDICR
383                   (ORI8
384                      (LIS8 (HI48_64 imm:$imm)),
385                      (HI32_48 imm:$imm)),
386                   32, 31),
387                (HI16 imm:$imm)),
388             (LO16 imm:$imm))>;
389
390
391// Extensions and truncates to/from 32-bit regs.
392def : Pat<(i64 (zext GPRC:$in)),
393          (RLDICL (OR4To8 GPRC:$in, GPRC:$in), 0, 32)>;
394def : Pat<(i64 (anyext GPRC:$in)),
395          (OR4To8 GPRC:$in, GPRC:$in)>;
396def : Pat<(i32 (trunc G8RC:$in)),
397          (OR8To4 G8RC:$in, G8RC:$in)>;
398
399// Extending loads with i64 targets.
400def : Pat<(zextload iaddr:$src, i1),
401          (LBZ8 iaddr:$src)>;
402def : Pat<(zextload xaddr:$src, i1),
403          (LBZX8 xaddr:$src)>;
404def : Pat<(extload iaddr:$src, i1),
405          (LBZ8 iaddr:$src)>;
406def : Pat<(extload xaddr:$src, i1),
407          (LBZX8 xaddr:$src)>;
408def : Pat<(extload iaddr:$src, i8),
409          (LBZ8 iaddr:$src)>;
410def : Pat<(extload xaddr:$src, i8),
411          (LBZX8 xaddr:$src)>;
412def : Pat<(extload iaddr:$src, i16),
413          (LHZ8 iaddr:$src)>;
414def : Pat<(extload xaddr:$src, i16),
415          (LHZX8 xaddr:$src)>;
416def : Pat<(extload iaddr:$src, i32),
417          (LWZ8 iaddr:$src)>;
418def : Pat<(extload xaddr:$src, i32),
419          (LWZX8 xaddr:$src)>;
420
421// SHL/SRL
422def : Pat<(shl G8RC:$in, (i32 imm:$imm)),
423          (RLDICR G8RC:$in, imm:$imm, (SHL64 imm:$imm))>;
424def : Pat<(srl G8RC:$in, (i32 imm:$imm)),
425          (RLDICL G8RC:$in, (SRL64 imm:$imm), imm:$imm)>;
426
427// Hi and Lo for Darwin Global Addresses.
428def : Pat<(PPChi tglobaladdr:$in, 0), (LIS8 tglobaladdr:$in)>;
429def : Pat<(PPClo tglobaladdr:$in, 0), (LI8  tglobaladdr:$in)>;
430def : Pat<(PPChi tconstpool:$in , 0), (LIS8 tconstpool:$in)>;
431def : Pat<(PPClo tconstpool:$in , 0), (LI8  tconstpool:$in)>;
432def : Pat<(PPChi tjumptable:$in , 0), (LIS8 tjumptable:$in)>;
433def : Pat<(PPClo tjumptable:$in , 0), (LI8  tjumptable:$in)>;
434def : Pat<(add G8RC:$in, (PPChi tglobaladdr:$g, 0)),
435          (ADDIS8 G8RC:$in, tglobaladdr:$g)>;
436def : Pat<(add G8RC:$in, (PPChi tconstpool:$g, 0)),
437          (ADDIS8 G8RC:$in, tconstpool:$g)>;
438def : Pat<(add G8RC:$in, (PPChi tjumptable:$g, 0)),
439          (ADDIS8 G8RC:$in, tjumptable:$g)>;
440