PPCInstr64Bit.td revision 586f6d009a37d4d38be0badaaa60d7cdb647b442
1//===-- PPCInstr64Bit.td - The PowerPC 64-bit Support ------*- tablegen -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// 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  let EncoderMethod = "getS16ImmEncoding";
21  let ParserMatchClass = PPCS16ImmAsmOperand;
22}
23def u16imm64 : Operand<i64> {
24  let PrintMethod = "printU16ImmOperand";
25  let ParserMatchClass = PPCU16ImmAsmOperand;
26}
27def tocentry : Operand<iPTR> {
28  let MIOperandInfo = (ops i64imm:$imm);
29}
30def tlsreg : Operand<i64> {
31  let EncoderMethod = "getTLSRegEncoding";
32}
33def tlsgd : Operand<i64> {}
34
35//===----------------------------------------------------------------------===//
36// 64-bit transformation functions.
37//
38
39def SHL64 : SDNodeXForm<imm, [{
40  // Transformation function: 63 - imm
41  return getI32Imm(63 - N->getZExtValue());
42}]>;
43
44def SRL64 : SDNodeXForm<imm, [{
45  // Transformation function: 64 - imm
46  return N->getZExtValue() ? getI32Imm(64 - N->getZExtValue()) : getI32Imm(0);
47}]>;
48
49def HI32_48 : SDNodeXForm<imm, [{
50  // Transformation function: shift the immediate value down into the low bits.
51  return getI32Imm((unsigned short)(N->getZExtValue() >> 32));
52}]>;
53
54def HI48_64 : SDNodeXForm<imm, [{
55  // Transformation function: shift the immediate value down into the low bits.
56  return getI32Imm((unsigned short)(N->getZExtValue() >> 48));
57}]>;
58
59
60//===----------------------------------------------------------------------===//
61// Calls.
62//
63
64let Interpretation64Bit = 1 in {
65let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
66  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR8] in {
67    def BCTR8 : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
68        Requires<[In64BitMode]>;
69
70    let isCodeGenOnly = 1 in
71    def BCCTR8 : XLForm_2_br<19, 528, 0, (outs), (ins pred:$cond),
72                             "b${cond:cc}ctr ${cond:reg}", BrB, []>,
73        Requires<[In64BitMode]>;
74  }
75}
76
77let Defs = [LR8] in
78  def MovePCtoLR8 : Pseudo<(outs), (ins), "#MovePCtoLR8", []>,
79                    PPC970_Unit_BRU;
80
81let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
82  let Defs = [CTR8], Uses = [CTR8] in {
83    def BDZ8  : BForm_1<16, 18, 0, 0, (outs), (ins condbrtarget:$dst),
84                        "bdz $dst">;
85    def BDNZ8 : BForm_1<16, 16, 0, 0, (outs), (ins condbrtarget:$dst),
86                        "bdnz $dst">;
87  }
88
89  let isReturn = 1, Defs = [CTR8], Uses = [CTR8, LR8, RM] in {
90    def BDZLR8  : XLForm_2_ext<19, 16, 18, 0, 0, (outs), (ins),
91                              "bdzlr", BrB, []>;
92    def BDNZLR8 : XLForm_2_ext<19, 16, 16, 0, 0, (outs), (ins),
93                              "bdnzlr", BrB, []>;
94  }
95}
96
97
98
99let isCall = 1, PPC970_Unit = 7, Defs = [LR8] in {
100  // Convenient aliases for call instructions
101  let Uses = [RM] in {
102    def BL8  : IForm<18, 0, 1, (outs), (ins calltarget:$func),
103                     "bl $func", BrB, []>;  // See Pat patterns below.
104
105    def BLA8 : IForm<18, 1, 1, (outs), (ins aaddr:$func),
106                     "bla $func", BrB, [(PPCcall (i64 imm:$func))]>;
107  }
108  let Uses = [RM], isCodeGenOnly = 1 in {
109    def BL8_NOP  : IForm_and_DForm_4_zero<18, 0, 1, 24,
110                             (outs), (ins calltarget:$func),
111                             "bl $func\n\tnop", BrB, []>;
112
113    def BL8_NOP_TLSGD : IForm_and_DForm_4_zero<18, 0, 1, 24,
114                                  (outs), (ins calltarget:$func, tlsgd:$sym),
115                                  "bl $func($sym)\n\tnop", BrB, []>;
116
117    def BL8_NOP_TLSLD : IForm_and_DForm_4_zero<18, 0, 1, 24,
118                                  (outs), (ins calltarget:$func, tlsgd:$sym),
119                                  "bl $func($sym)\n\tnop", BrB, []>;
120
121    def BLA8_NOP : IForm_and_DForm_4_zero<18, 1, 1, 24,
122                             (outs), (ins aaddr:$func),
123                             "bla $func\n\tnop", BrB,
124                             [(PPCcall_nop (i64 imm:$func))]>;
125  }
126  let Uses = [CTR8, RM] in {
127    def BCTRL8 : XLForm_2_ext<19, 528, 20, 0, 1, (outs), (ins),
128                              "bctrl", BrB, [(PPCbctrl)]>,
129                 Requires<[In64BitMode]>;
130
131    let isCodeGenOnly = 1 in
132    def BCCTRL8 : XLForm_2_br<19, 528, 1, (outs), (ins pred:$cond),
133                              "b${cond:cc}ctrl ${cond:reg}", BrB, []>,
134        Requires<[In64BitMode]>;
135  }
136}
137} // Interpretation64Bit
138
139// Calls
140def : Pat<(PPCcall (i64 tglobaladdr:$dst)),
141          (BL8 tglobaladdr:$dst)>;
142def : Pat<(PPCcall_nop (i64 tglobaladdr:$dst)),
143          (BL8_NOP tglobaladdr:$dst)>;
144
145def : Pat<(PPCcall (i64 texternalsym:$dst)),
146          (BL8 texternalsym:$dst)>;
147def : Pat<(PPCcall_nop (i64 texternalsym:$dst)),
148          (BL8_NOP texternalsym:$dst)>;
149
150// Atomic operations
151let usesCustomInserter = 1 in {
152  let Defs = [CR0] in {
153    def ATOMIC_LOAD_ADD_I64 : Pseudo<
154      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_ADD_I64",
155      [(set i64:$dst, (atomic_load_add_64 xoaddr:$ptr, i64:$incr))]>;
156    def ATOMIC_LOAD_SUB_I64 : Pseudo<
157      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_SUB_I64",
158      [(set i64:$dst, (atomic_load_sub_64 xoaddr:$ptr, i64:$incr))]>;
159    def ATOMIC_LOAD_OR_I64 : Pseudo<
160      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_OR_I64",
161      [(set i64:$dst, (atomic_load_or_64 xoaddr:$ptr, i64:$incr))]>;
162    def ATOMIC_LOAD_XOR_I64 : Pseudo<
163      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_XOR_I64",
164      [(set i64:$dst, (atomic_load_xor_64 xoaddr:$ptr, i64:$incr))]>;
165    def ATOMIC_LOAD_AND_I64 : Pseudo<
166      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_AND_i64",
167      [(set i64:$dst, (atomic_load_and_64 xoaddr:$ptr, i64:$incr))]>;
168    def ATOMIC_LOAD_NAND_I64 : Pseudo<
169      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$incr), "#ATOMIC_LOAD_NAND_I64",
170      [(set i64:$dst, (atomic_load_nand_64 xoaddr:$ptr, i64:$incr))]>;
171
172    def ATOMIC_CMP_SWAP_I64 : Pseudo<
173      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$old, g8rc:$new), "#ATOMIC_CMP_SWAP_I64",
174      [(set i64:$dst, (atomic_cmp_swap_64 xoaddr:$ptr, i64:$old, i64:$new))]>;
175
176    def ATOMIC_SWAP_I64 : Pseudo<
177      (outs g8rc:$dst), (ins memrr:$ptr, g8rc:$new), "#ATOMIC_SWAP_I64",
178      [(set i64:$dst, (atomic_swap_64 xoaddr:$ptr, i64:$new))]>;
179  }
180}
181
182// Instructions to support atomic operations
183def LDARX : XForm_1<31,  84, (outs g8rc:$rD), (ins memrr:$ptr),
184                   "ldarx $rD, $ptr", LdStLDARX,
185                   [(set i64:$rD, (PPClarx xoaddr:$ptr))]>;
186
187let Defs = [CR0] in
188def STDCX : XForm_1<31, 214, (outs), (ins g8rc:$rS, memrr:$dst),
189                   "stdcx. $rS, $dst", LdStSTDCX,
190                   [(PPCstcx i64:$rS, xoaddr:$dst)]>,
191                   isDOT;
192
193let Interpretation64Bit = 1 in {
194let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
195def TCRETURNdi8 :Pseudo< (outs),
196                        (ins calltarget:$dst, i32imm:$offset),
197                 "#TC_RETURNd8 $dst $offset",
198                 []>;
199
200let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
201def TCRETURNai8 :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset),
202                 "#TC_RETURNa8 $func $offset",
203                 [(PPCtc_return (i64 imm:$func), imm:$offset)]>;
204
205let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
206def TCRETURNri8 : Pseudo<(outs), (ins CTRRC8:$dst, i32imm:$offset),
207                 "#TC_RETURNr8 $dst $offset",
208                 []>;
209
210let isCodeGenOnly = 1 in {
211
212let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
213    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR8, RM] in
214def TAILBCTR8 : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
215    Requires<[In64BitMode]>;
216
217
218let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
219    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
220def TAILB8   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
221                  "b $dst", BrB,
222                  []>;
223
224
225let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
226    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
227def TAILBA8   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
228                  "ba $dst", BrB,
229                  []>;
230
231}
232} // Interpretation64Bit
233
234def : Pat<(PPCtc_return (i64 tglobaladdr:$dst),  imm:$imm),
235          (TCRETURNdi8 tglobaladdr:$dst, imm:$imm)>;
236
237def : Pat<(PPCtc_return (i64 texternalsym:$dst), imm:$imm),
238          (TCRETURNdi8 texternalsym:$dst, imm:$imm)>;
239
240def : Pat<(PPCtc_return CTRRC8:$dst, imm:$imm),
241          (TCRETURNri8 CTRRC8:$dst, imm:$imm)>;
242
243
244// 64-bit CR instructions
245let Interpretation64Bit = 1 in {
246let neverHasSideEffects = 1 in {
247def MTCRF8 : XFXForm_5<31, 144, (outs crbitm:$FXM), (ins g8rc:$rS),
248                      "mtcrf $FXM, $rS", BrMCRX>,
249            PPC970_MicroCode, PPC970_Unit_CRU;
250
251let isCodeGenOnly = 1 in
252def MFCR8pseud: XFXForm_3<31, 19, (outs g8rc:$rT), (ins crbitm:$FXM),
253                       "#MFCR8pseud", SprMFCR>,
254            PPC970_MicroCode, PPC970_Unit_CRU;
255} // neverHasSideEffects = 1
256
257let neverHasSideEffects = 1 in
258def MFCR8 : XFXForm_3<31, 19, (outs g8rc:$rT), (ins),
259                     "mfcr $rT", SprMFCR>,
260                     PPC970_MicroCode, PPC970_Unit_CRU;
261
262let hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
263  def EH_SjLj_SetJmp64  : Pseudo<(outs gprc:$dst), (ins memr:$buf),
264                            "#EH_SJLJ_SETJMP64",
265                            [(set i32:$dst, (PPCeh_sjlj_setjmp addr:$buf))]>,
266                          Requires<[In64BitMode]>;
267  let isTerminator = 1 in
268  def EH_SjLj_LongJmp64 : Pseudo<(outs), (ins memr:$buf),
269                            "#EH_SJLJ_LONGJMP64",
270                            [(PPCeh_sjlj_longjmp addr:$buf)]>,
271                          Requires<[In64BitMode]>;
272}
273
274//===----------------------------------------------------------------------===//
275// 64-bit SPR manipulation instrs.
276
277let Uses = [CTR8] in {
278def MFCTR8 : XFXForm_1_ext<31, 339, 9, (outs g8rc:$rT), (ins),
279                           "mfctr $rT", SprMFSPR>,
280             PPC970_DGroup_First, PPC970_Unit_FXU;
281}
282let Pattern = [(PPCmtctr i64:$rS)], Defs = [CTR8] in {
283def MTCTR8 : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
284                           "mtctr $rS", SprMTSPR>,
285             PPC970_DGroup_First, PPC970_Unit_FXU;
286}
287let hasSideEffects = 1, isCodeGenOnly = 1, Defs = [CTR8] in {
288let Pattern = [(int_ppc_mtctr i64:$rS)] in
289def MTCTR8loop : XFXForm_7_ext<31, 467, 9, (outs), (ins g8rc:$rS),
290                               "mtctr $rS", SprMTSPR>,
291                 PPC970_DGroup_First, PPC970_Unit_FXU;
292}
293
294let Pattern = [(set i64:$rT, readcyclecounter)] in
295def MFTB8 : XFXForm_1_ext<31, 339, 268, (outs g8rc:$rT), (ins),
296                          "mfspr $rT, 268", SprMFTB>,
297            PPC970_DGroup_First, PPC970_Unit_FXU;
298// Note that encoding mftb using mfspr is now the preferred form,
299// and has been since at least ISA v2.03. The mftb instruction has
300// now been phased out. Using mfspr, however, is known not to work on
301// the POWER3.
302
303let Defs = [X1], Uses = [X1] in
304def DYNALLOC8 : Pseudo<(outs g8rc:$result), (ins g8rc:$negsize, memri:$fpsi),"#DYNALLOC8",
305                       [(set i64:$result,
306                             (PPCdynalloc i64:$negsize, iaddr:$fpsi))]>;
307
308let Defs = [LR8] in {
309def MTLR8  : XFXForm_7_ext<31, 467, 8, (outs), (ins g8rc:$rS),
310                           "mtlr $rS", SprMTSPR>,
311             PPC970_DGroup_First, PPC970_Unit_FXU;
312}
313let Uses = [LR8] in {
314def MFLR8  : XFXForm_1_ext<31, 339, 8, (outs g8rc:$rT), (ins),
315                           "mflr $rT", SprMFSPR>,
316             PPC970_DGroup_First, PPC970_Unit_FXU;
317}
318} // Interpretation64Bit
319
320//===----------------------------------------------------------------------===//
321// Fixed point instructions.
322//
323
324let PPC970_Unit = 1 in {  // FXU Operations.
325let Interpretation64Bit = 1 in {
326let neverHasSideEffects = 1 in {
327
328let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in {
329def LI8  : DForm_2_r0<14, (outs g8rc:$rD), (ins s16imm64:$imm),
330                      "li $rD, $imm", IntSimple,
331                      [(set i64:$rD, imm64SExt16:$imm)]>;
332def LIS8 : DForm_2_r0<15, (outs g8rc:$rD), (ins s16imm64:$imm),
333                      "lis $rD, $imm", IntSimple,
334                      [(set i64:$rD, imm16ShiftedSExt:$imm)]>;
335}
336
337// Logical ops.
338defm NAND8: XForm_6r<31, 476, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
339                     "nand", "$rA, $rS, $rB", IntSimple,
340                     [(set i64:$rA, (not (and i64:$rS, i64:$rB)))]>;
341defm AND8 : XForm_6r<31,  28, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
342                     "and", "$rA, $rS, $rB", IntSimple,
343                     [(set i64:$rA, (and i64:$rS, i64:$rB))]>;
344defm ANDC8: XForm_6r<31,  60, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
345                     "andc", "$rA, $rS, $rB", IntSimple,
346                     [(set i64:$rA, (and i64:$rS, (not i64:$rB)))]>;
347defm OR8  : XForm_6r<31, 444, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
348                     "or", "$rA, $rS, $rB", IntSimple,
349                     [(set i64:$rA, (or i64:$rS, i64:$rB))]>;
350defm NOR8 : XForm_6r<31, 124, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
351                     "nor", "$rA, $rS, $rB", IntSimple,
352                     [(set i64:$rA, (not (or i64:$rS, i64:$rB)))]>;
353defm ORC8 : XForm_6r<31, 412, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
354                     "orc", "$rA, $rS, $rB", IntSimple,
355                     [(set i64:$rA, (or i64:$rS, (not i64:$rB)))]>;
356defm EQV8 : XForm_6r<31, 284, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
357                     "eqv", "$rA, $rS, $rB", IntSimple,
358                     [(set i64:$rA, (not (xor i64:$rS, i64:$rB)))]>;
359defm XOR8 : XForm_6r<31, 316, (outs g8rc:$rA), (ins g8rc:$rS, g8rc:$rB),
360                     "xor", "$rA, $rS, $rB", IntSimple,
361                     [(set i64:$rA, (xor i64:$rS, i64:$rB))]>;
362
363// Logical ops with immediate.
364let Defs = [CR0] in {
365def ANDIo8  : DForm_4<28, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
366                      "andi. $dst, $src1, $src2", IntGeneral,
367                      [(set i64:$dst, (and i64:$src1, immZExt16:$src2))]>,
368                      isDOT;
369def ANDISo8 : DForm_4<29, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
370                     "andis. $dst, $src1, $src2", IntGeneral,
371                    [(set i64:$dst, (and i64:$src1, imm16ShiftedZExt:$src2))]>,
372                     isDOT;
373}
374def ORI8    : DForm_4<24, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
375                      "ori $dst, $src1, $src2", IntSimple,
376                      [(set i64:$dst, (or i64:$src1, immZExt16:$src2))]>;
377def ORIS8   : DForm_4<25, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
378                      "oris $dst, $src1, $src2", IntSimple,
379                    [(set i64:$dst, (or i64:$src1, imm16ShiftedZExt:$src2))]>;
380def XORI8   : DForm_4<26, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
381                      "xori $dst, $src1, $src2", IntSimple,
382                      [(set i64:$dst, (xor i64:$src1, immZExt16:$src2))]>;
383def XORIS8  : DForm_4<27, (outs g8rc:$dst), (ins g8rc:$src1, u16imm:$src2),
384                      "xoris $dst, $src1, $src2", IntSimple,
385                   [(set i64:$dst, (xor i64:$src1, imm16ShiftedZExt:$src2))]>;
386
387defm ADD8  : XOForm_1r<31, 266, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
388                       "add", "$rT, $rA, $rB", IntSimple,
389                       [(set i64:$rT, (add i64:$rA, i64:$rB))]>;
390// ADD8 has a special form: reg = ADD8(reg, sym@tls) for use by the
391// initial-exec thread-local storage model.
392let isCodeGenOnly = 1 in
393def ADD8TLS  : XOForm_1<31, 266, 0, (outs g8rc:$rT), (ins g8rc:$rA, tlsreg:$rB),
394                        "add $rT, $rA, $rB@tls", IntSimple,
395                        [(set i64:$rT, (add i64:$rA, tglobaltlsaddr:$rB))]>;
396                     
397defm ADDC8 : XOForm_1rc<31, 10, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
398                        "addc", "$rT, $rA, $rB", IntGeneral,
399                        [(set i64:$rT, (addc i64:$rA, i64:$rB))]>,
400                        PPC970_DGroup_Cracked;
401let Defs = [CARRY] in
402def ADDIC8 : DForm_2<12, (outs g8rc:$rD), (ins g8rc:$rA, s16imm64:$imm),
403                     "addic $rD, $rA, $imm", IntGeneral,
404                     [(set i64:$rD, (addc i64:$rA, imm64SExt16:$imm))]>;
405def ADDI8  : DForm_2<14, (outs g8rc:$rD), (ins g8rc_nox0:$rA, s16imm64:$imm),
406                     "addi $rD, $rA, $imm", IntSimple,
407                     [(set i64:$rD, (add i64:$rA, imm64SExt16:$imm))]>;
408def ADDIS8 : DForm_2<15, (outs g8rc:$rD), (ins g8rc_nox0:$rA, s16imm64:$imm),
409                     "addis $rD, $rA, $imm", IntSimple,
410                     [(set i64:$rD, (add i64:$rA, imm16ShiftedSExt:$imm))]>;
411
412let Defs = [CARRY] in {
413def SUBFIC8: DForm_2< 8, (outs g8rc:$rD), (ins g8rc:$rA, s16imm64:$imm),
414                     "subfic $rD, $rA, $imm", IntGeneral,
415                     [(set i64:$rD, (subc imm64SExt16:$imm, i64:$rA))]>;
416defm SUBFC8 : XOForm_1r<31, 8, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
417                        "subfc", "$rT, $rA, $rB", IntGeneral,
418                        [(set i64:$rT, (subc i64:$rB, i64:$rA))]>,
419                        PPC970_DGroup_Cracked;
420}
421defm SUBF8 : XOForm_1r<31, 40, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
422                       "subf", "$rT, $rA, $rB", IntGeneral,
423                       [(set i64:$rT, (sub i64:$rB, i64:$rA))]>;
424defm NEG8    : XOForm_3r<31, 104, 0, (outs g8rc:$rT), (ins g8rc:$rA),
425                        "neg", "$rT, $rA", IntSimple,
426                        [(set i64:$rT, (ineg i64:$rA))]>;
427let Uses = [CARRY] in {
428defm ADDE8   : XOForm_1rc<31, 138, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
429                          "adde", "$rT, $rA, $rB", IntGeneral,
430                          [(set i64:$rT, (adde i64:$rA, i64:$rB))]>;
431defm ADDME8  : XOForm_3rc<31, 234, 0, (outs g8rc:$rT), (ins g8rc:$rA),
432                          "addme", "$rT, $rA", IntGeneral,
433                          [(set i64:$rT, (adde i64:$rA, -1))]>;
434defm ADDZE8  : XOForm_3rc<31, 202, 0, (outs g8rc:$rT), (ins g8rc:$rA),
435                          "addze", "$rT, $rA", IntGeneral,
436                          [(set i64:$rT, (adde i64:$rA, 0))]>;
437defm SUBFE8  : XOForm_1rc<31, 136, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
438                          "subfe", "$rT, $rA, $rB", IntGeneral,
439                          [(set i64:$rT, (sube i64:$rB, i64:$rA))]>;
440defm SUBFME8 : XOForm_3rc<31, 232, 0, (outs g8rc:$rT), (ins g8rc:$rA),
441                          "subfme", "$rT, $rA", IntGeneral,
442                          [(set i64:$rT, (sube -1, i64:$rA))]>;
443defm SUBFZE8 : XOForm_3rc<31, 200, 0, (outs g8rc:$rT), (ins g8rc:$rA),
444                          "subfze", "$rT, $rA", IntGeneral,
445                          [(set i64:$rT, (sube 0, i64:$rA))]>;
446}
447
448
449defm MULHD : XOForm_1r<31, 73, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
450                       "mulhd", "$rT, $rA, $rB", IntMulHW,
451                       [(set i64:$rT, (mulhs i64:$rA, i64:$rB))]>;
452defm MULHDU : XOForm_1r<31, 9, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
453                       "mulhdu", "$rT, $rA, $rB", IntMulHWU,
454                       [(set i64:$rT, (mulhu i64:$rA, i64:$rB))]>;
455}
456} // Interpretation64Bit
457
458let isCompare = 1, neverHasSideEffects = 1 in {
459  def CMPD   : XForm_16_ext<31, 0, (outs crrc:$crD), (ins g8rc:$rA, g8rc:$rB),
460                            "cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
461  def CMPLD  : XForm_16_ext<31, 32, (outs crrc:$crD), (ins g8rc:$rA, g8rc:$rB),
462                            "cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
463  def CMPDI  : DForm_5_ext<11, (outs crrc:$crD), (ins g8rc:$rA, s16imm:$imm),
464                           "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
465  def CMPLDI : DForm_6_ext<10, (outs crrc:$dst), (ins g8rc:$src1, u16imm:$src2),
466                           "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
467}
468
469let neverHasSideEffects = 1 in {
470defm SLD  : XForm_6r<31,  27, (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB),
471                     "sld", "$rA, $rS, $rB", IntRotateD,
472                     [(set i64:$rA, (PPCshl i64:$rS, i32:$rB))]>, isPPC64;
473defm SRD  : XForm_6r<31, 539, (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB),
474                     "srd", "$rA, $rS, $rB", IntRotateD,
475                     [(set i64:$rA, (PPCsrl i64:$rS, i32:$rB))]>, isPPC64;
476defm SRAD : XForm_6rc<31, 794, (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB),
477                      "srad", "$rA, $rS, $rB", IntRotateD,
478                      [(set i64:$rA, (PPCsra i64:$rS, i32:$rB))]>, isPPC64;
479
480let Interpretation64Bit = 1 in { 
481defm EXTSB8 : XForm_11r<31, 954, (outs g8rc:$rA), (ins g8rc:$rS),
482                        "extsb", "$rA, $rS", IntSimple,
483                        [(set i64:$rA, (sext_inreg i64:$rS, i8))]>;
484defm EXTSH8 : XForm_11r<31, 922, (outs g8rc:$rA), (ins g8rc:$rS),
485                        "extsh", "$rA, $rS", IntSimple,
486                        [(set i64:$rA, (sext_inreg i64:$rS, i16))]>;
487} // Interpretation64Bit
488
489defm EXTSW  : XForm_11r<31, 986, (outs g8rc:$rA), (ins g8rc:$rS),
490                        "extsw", "$rA, $rS", IntSimple,
491                        [(set i64:$rA, (sext_inreg i64:$rS, i32))]>, isPPC64;
492let Interpretation64Bit = 1 in
493defm EXTSW_32_64 : XForm_11r<31, 986, (outs g8rc:$rA), (ins gprc:$rS),
494                             "extsw", "$rA, $rS", IntSimple,
495                             [(set i64:$rA, (sext i32:$rS))]>, isPPC64;
496
497defm SRADI  : XSForm_1rc<31, 413, (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH),
498                         "sradi", "$rA, $rS, $SH", IntRotateDI,
499                         [(set i64:$rA, (sra i64:$rS, (i32 imm:$SH)))]>, isPPC64;
500defm CNTLZD : XForm_11r<31, 58, (outs g8rc:$rA), (ins g8rc:$rS),
501                        "cntlzd", "$rA, $rS", IntGeneral,
502                        [(set i64:$rA, (ctlz i64:$rS))]>;
503defm POPCNTD : XForm_11r<31, 506, (outs g8rc:$rA), (ins g8rc:$rS),
504                         "popcntd", "$rA, $rS", IntGeneral,
505                         [(set i64:$rA, (ctpop i64:$rS))]>;
506
507// popcntw also does a population count on the high 32 bits (storing the
508// results in the high 32-bits of the output). We'll ignore that here (which is
509// safe because we never separately use the high part of the 64-bit registers).
510defm POPCNTW : XForm_11r<31, 378, (outs gprc:$rA), (ins gprc:$rS),
511                         "popcntw", "$rA, $rS", IntGeneral,
512                         [(set i32:$rA, (ctpop i32:$rS))]>;
513
514defm DIVD  : XOForm_1r<31, 489, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
515                       "divd", "$rT, $rA, $rB", IntDivD,
516                       [(set i64:$rT, (sdiv i64:$rA, i64:$rB))]>, isPPC64,
517                       PPC970_DGroup_First, PPC970_DGroup_Cracked;
518defm DIVDU : XOForm_1r<31, 457, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
519                       "divdu", "$rT, $rA, $rB", IntDivD,
520                       [(set i64:$rT, (udiv i64:$rA, i64:$rB))]>, isPPC64,
521                       PPC970_DGroup_First, PPC970_DGroup_Cracked;
522defm MULLD : XOForm_1r<31, 233, 0, (outs g8rc:$rT), (ins g8rc:$rA, g8rc:$rB),
523                       "mulld", "$rT, $rA, $rB", IntMulHD,
524                       [(set i64:$rT, (mul i64:$rA, i64:$rB))]>, isPPC64;
525}
526
527let neverHasSideEffects = 1 in {
528let isCommutable = 1 in {
529defm RLDIMI : MDForm_1r<30, 3, (outs g8rc:$rA),
530                        (ins g8rc:$rSi, g8rc:$rS, u6imm:$SH, u6imm:$MBE),
531                        "rldimi", "$rA, $rS, $SH, $MBE", IntRotateDI,
532                        []>, isPPC64, RegConstraint<"$rSi = $rA">,
533                        NoEncode<"$rSi">;
534}
535
536// Rotate instructions.
537defm RLDCL  : MDSForm_1r<30, 8,
538                        (outs g8rc:$rA), (ins g8rc:$rS, gprc:$rB, u6imm:$MBE),
539                        "rldcl", "$rA, $rS, $rB, $MBE", IntRotateD,
540                        []>, isPPC64;
541defm RLDICL : MDForm_1r<30, 0,
542                        (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
543                        "rldicl", "$rA, $rS, $SH, $MBE", IntRotateDI,
544                        []>, isPPC64;
545defm RLDICR : MDForm_1r<30, 1,
546                        (outs g8rc:$rA), (ins g8rc:$rS, u6imm:$SH, u6imm:$MBE),
547                        "rldicr", "$rA, $rS, $SH, $MBE", IntRotateDI,
548                        []>, isPPC64;
549
550let Interpretation64Bit = 1 in {
551defm RLWINM8 : MForm_2r<21, (outs g8rc:$rA),
552                        (ins g8rc:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
553                        "rlwinm", "$rA, $rS, $SH, $MB, $ME", IntGeneral,
554                        []>;
555
556let isSelect = 1 in
557def ISEL8   : AForm_4<31, 15,
558                     (outs g8rc:$rT), (ins g8rc_nox0:$rA, g8rc:$rB, crbitrc:$cond),
559                     "isel $rT, $rA, $rB, $cond", IntGeneral,
560                     []>;
561}  // Interpretation64Bit
562}  // neverHasSideEffects = 1
563}  // End FXU Operations.
564
565
566//===----------------------------------------------------------------------===//
567// Load/Store instructions.
568//
569
570
571// Sign extending loads.
572let canFoldAsLoad = 1, PPC970_Unit = 2 in {
573let Interpretation64Bit = 1 in
574def LHA8: DForm_1<42, (outs g8rc:$rD), (ins memri:$src),
575                  "lha $rD, $src", LdStLHA,
576                  [(set i64:$rD, (sextloadi16 iaddr:$src))]>,
577                  PPC970_DGroup_Cracked;
578def LWA  : DSForm_1<58, 2, (outs g8rc:$rD), (ins memrix:$src),
579                    "lwa $rD, $src", LdStLWA,
580                    [(set i64:$rD,
581                          (aligned4sextloadi32 ixaddr:$src))]>, isPPC64,
582                    PPC970_DGroup_Cracked;
583let Interpretation64Bit = 1 in
584def LHAX8: XForm_1<31, 343, (outs g8rc:$rD), (ins memrr:$src),
585                   "lhax $rD, $src", LdStLHA,
586                   [(set i64:$rD, (sextloadi16 xaddr:$src))]>,
587                   PPC970_DGroup_Cracked;
588def LWAX : XForm_1<31, 341, (outs g8rc:$rD), (ins memrr:$src),
589                   "lwax $rD, $src", LdStLHA,
590                   [(set i64:$rD, (sextloadi32 xaddr:$src))]>, isPPC64,
591                   PPC970_DGroup_Cracked;
592
593// Update forms.
594let mayLoad = 1, neverHasSideEffects = 1 in {
595let Interpretation64Bit = 1 in
596def LHAU8 : DForm_1<43, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
597                    (ins memri:$addr),
598                    "lhau $rD, $addr", LdStLHAU,
599                    []>, RegConstraint<"$addr.reg = $ea_result">,
600                    NoEncode<"$ea_result">;
601// NO LWAU!
602
603let Interpretation64Bit = 1 in
604def LHAUX8 : XForm_1<31, 375, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
605                    (ins memrr:$addr),
606                    "lhaux $rD, $addr", LdStLHAU,
607                    []>, RegConstraint<"$addr.ptrreg = $ea_result">,
608                    NoEncode<"$ea_result">;
609def LWAUX : XForm_1<31, 373, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
610                    (ins memrr:$addr),
611                    "lwaux $rD, $addr", LdStLHAU,
612                    []>, RegConstraint<"$addr.ptrreg = $ea_result">,
613                    NoEncode<"$ea_result">, isPPC64;
614}
615}
616
617let Interpretation64Bit = 1 in {
618// Zero extending loads.
619let canFoldAsLoad = 1, PPC970_Unit = 2 in {
620def LBZ8 : DForm_1<34, (outs g8rc:$rD), (ins memri:$src),
621                  "lbz $rD, $src", LdStLoad,
622                  [(set i64:$rD, (zextloadi8 iaddr:$src))]>;
623def LHZ8 : DForm_1<40, (outs g8rc:$rD), (ins memri:$src),
624                  "lhz $rD, $src", LdStLoad,
625                  [(set i64:$rD, (zextloadi16 iaddr:$src))]>;
626def LWZ8 : DForm_1<32, (outs g8rc:$rD), (ins memri:$src),
627                  "lwz $rD, $src", LdStLoad,
628                  [(set i64:$rD, (zextloadi32 iaddr:$src))]>, isPPC64;
629
630def LBZX8 : XForm_1<31,  87, (outs g8rc:$rD), (ins memrr:$src),
631                   "lbzx $rD, $src", LdStLoad,
632                   [(set i64:$rD, (zextloadi8 xaddr:$src))]>;
633def LHZX8 : XForm_1<31, 279, (outs g8rc:$rD), (ins memrr:$src),
634                   "lhzx $rD, $src", LdStLoad,
635                   [(set i64:$rD, (zextloadi16 xaddr:$src))]>;
636def LWZX8 : XForm_1<31,  23, (outs g8rc:$rD), (ins memrr:$src),
637                   "lwzx $rD, $src", LdStLoad,
638                   [(set i64:$rD, (zextloadi32 xaddr:$src))]>;
639                   
640                   
641// Update forms.
642let mayLoad = 1, neverHasSideEffects = 1 in {
643def LBZU8 : DForm_1<35, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
644                    "lbzu $rD, $addr", LdStLoadUpd,
645                    []>, RegConstraint<"$addr.reg = $ea_result">,
646                    NoEncode<"$ea_result">;
647def LHZU8 : DForm_1<41, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
648                    "lhzu $rD, $addr", LdStLoadUpd,
649                    []>, RegConstraint<"$addr.reg = $ea_result">,
650                    NoEncode<"$ea_result">;
651def LWZU8 : DForm_1<33, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
652                    "lwzu $rD, $addr", LdStLoadUpd,
653                    []>, RegConstraint<"$addr.reg = $ea_result">,
654                    NoEncode<"$ea_result">;
655
656def LBZUX8 : XForm_1<31, 119, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
657                   (ins memrr:$addr),
658                   "lbzux $rD, $addr", LdStLoadUpd,
659                   []>, RegConstraint<"$addr.ptrreg = $ea_result">,
660                   NoEncode<"$ea_result">;
661def LHZUX8 : XForm_1<31, 311, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
662                   (ins memrr:$addr),
663                   "lhzux $rD, $addr", LdStLoadUpd,
664                   []>, RegConstraint<"$addr.ptrreg = $ea_result">,
665                   NoEncode<"$ea_result">;
666def LWZUX8 : XForm_1<31, 55, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
667                   (ins memrr:$addr),
668                   "lwzux $rD, $addr", LdStLoadUpd,
669                   []>, RegConstraint<"$addr.ptrreg = $ea_result">,
670                   NoEncode<"$ea_result">;
671}
672}
673} // Interpretation64Bit
674
675
676// Full 8-byte loads.
677let canFoldAsLoad = 1, PPC970_Unit = 2 in {
678def LD   : DSForm_1<58, 0, (outs g8rc:$rD), (ins memrix:$src),
679                    "ld $rD, $src", LdStLD,
680                    [(set i64:$rD, (aligned4load ixaddr:$src))]>, isPPC64;
681// The following three definitions are selected for small code model only.
682// Otherwise, we need to create two instructions to form a 32-bit offset,
683// so we have a custom matcher for TOC_ENTRY in PPCDAGToDAGIsel::Select().
684def LDtoc: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc:$reg),
685                  "#LDtoc",
686                  [(set i64:$rD,
687                     (PPCtoc_entry tglobaladdr:$disp, i64:$reg))]>, isPPC64;
688def LDtocJTI: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc:$reg),
689                  "#LDtocJTI",
690                  [(set i64:$rD,
691                     (PPCtoc_entry tjumptable:$disp, i64:$reg))]>, isPPC64;
692def LDtocCPT: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc:$reg),
693                  "#LDtocCPT",
694                  [(set i64:$rD,
695                     (PPCtoc_entry tconstpool:$disp, i64:$reg))]>, isPPC64;
696
697let hasSideEffects = 1, isCodeGenOnly = 1 in {
698let RST = 2, DS = 2 in
699def LDinto_toc: DSForm_1a<58, 0, (outs), (ins g8rc:$reg),
700                    "ld 2, 8($reg)", LdStLD,
701                    [(PPCload_toc i64:$reg)]>, isPPC64;
702                    
703let RST = 2, DS = 10, RA = 1 in
704def LDtoc_restore : DSForm_1a<58, 0, (outs), (ins),
705                    "ld 2, 40(1)", LdStLD,
706                    [(PPCtoc_restore)]>, isPPC64;
707}
708def LDX  : XForm_1<31,  21, (outs g8rc:$rD), (ins memrr:$src),
709                   "ldx $rD, $src", LdStLD,
710                   [(set i64:$rD, (load xaddr:$src))]>, isPPC64;
711def LDBRX : XForm_1<31,  532, (outs g8rc:$rD), (ins memrr:$src),
712                   "ldbrx $rD, $src", LdStLoad,
713                   [(set i64:$rD, (PPClbrx xoaddr:$src, i64))]>, isPPC64;
714
715let mayLoad = 1, neverHasSideEffects = 1 in {
716def LDU  : DSForm_1<58, 1, (outs g8rc:$rD, ptr_rc_nor0:$ea_result), (ins memrix:$addr),
717                    "ldu $rD, $addr", LdStLDU,
718                    []>, RegConstraint<"$addr.reg = $ea_result">, isPPC64,
719                    NoEncode<"$ea_result">;
720
721def LDUX : XForm_1<31, 53, (outs g8rc:$rD, ptr_rc_nor0:$ea_result),
722                   (ins memrr:$addr),
723                   "ldux $rD, $addr", LdStLDU,
724                   []>, RegConstraint<"$addr.ptrreg = $ea_result">,
725                   NoEncode<"$ea_result">, isPPC64;
726}
727}
728
729def : Pat<(PPCload ixaddr:$src),
730          (LD ixaddr:$src)>;
731def : Pat<(PPCload xaddr:$src),
732          (LDX xaddr:$src)>;
733
734// Support for medium and large code model.
735def ADDIStocHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, tocentry:$disp),
736                       "#ADDIStocHA",
737                       [(set i64:$rD,
738                         (PPCaddisTocHA i64:$reg, tglobaladdr:$disp))]>,
739                       isPPC64;
740def LDtocL: Pseudo<(outs g8rc:$rD), (ins tocentry:$disp, g8rc_nox0:$reg),
741                   "#LDtocL",
742                   [(set i64:$rD,
743                     (PPCldTocL tglobaladdr:$disp, i64:$reg))]>, isPPC64;
744def ADDItocL: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, tocentry:$disp),
745                     "#ADDItocL",
746                     [(set i64:$rD,
747                       (PPCaddiTocL i64:$reg, tglobaladdr:$disp))]>, isPPC64;
748
749// Support for thread-local storage.
750def ADDISgotTprelHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
751                         "#ADDISgotTprelHA",
752                         [(set i64:$rD,
753                           (PPCaddisGotTprelHA i64:$reg,
754                                               tglobaltlsaddr:$disp))]>,
755                  isPPC64;
756def LDgotTprelL: Pseudo<(outs g8rc:$rD), (ins s16imm64:$disp, g8rc_nox0:$reg),
757                        "#LDgotTprelL",
758                        [(set i64:$rD,
759                          (PPCldGotTprelL tglobaltlsaddr:$disp, i64:$reg))]>,
760                 isPPC64;
761def : Pat<(PPCaddTls i64:$in, tglobaltlsaddr:$g),
762          (ADD8TLS $in, tglobaltlsaddr:$g)>;
763def ADDIStlsgdHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
764                         "#ADDIStlsgdHA",
765                         [(set i64:$rD,
766                           (PPCaddisTlsgdHA i64:$reg, tglobaltlsaddr:$disp))]>,
767                  isPPC64;
768def ADDItlsgdL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
769                       "#ADDItlsgdL",
770                       [(set i64:$rD,
771                         (PPCaddiTlsgdL i64:$reg, tglobaltlsaddr:$disp))]>,
772                 isPPC64;
773def GETtlsADDR : Pseudo<(outs g8rc:$rD), (ins g8rc:$reg, tlsgd:$sym),
774                        "#GETtlsADDR",
775                        [(set i64:$rD,
776                          (PPCgetTlsAddr i64:$reg, tglobaltlsaddr:$sym))]>,
777                 isPPC64;
778def ADDIStlsldHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
779                         "#ADDIStlsldHA",
780                         [(set i64:$rD,
781                           (PPCaddisTlsldHA i64:$reg, tglobaltlsaddr:$disp))]>,
782                  isPPC64;
783def ADDItlsldL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
784                       "#ADDItlsldL",
785                       [(set i64:$rD,
786                         (PPCaddiTlsldL i64:$reg, tglobaltlsaddr:$disp))]>,
787                 isPPC64;
788def GETtlsldADDR : Pseudo<(outs g8rc:$rD), (ins g8rc:$reg, tlsgd:$sym),
789                          "#GETtlsldADDR",
790                          [(set i64:$rD,
791                            (PPCgetTlsldAddr i64:$reg, tglobaltlsaddr:$sym))]>,
792                   isPPC64;
793def ADDISdtprelHA: Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
794                          "#ADDISdtprelHA",
795                          [(set i64:$rD,
796                            (PPCaddisDtprelHA i64:$reg,
797                                              tglobaltlsaddr:$disp))]>,
798                   isPPC64;
799def ADDIdtprelL : Pseudo<(outs g8rc:$rD), (ins g8rc_nox0:$reg, s16imm64:$disp),
800                         "#ADDIdtprelL",
801                         [(set i64:$rD,
802                           (PPCaddiDtprelL i64:$reg, tglobaltlsaddr:$disp))]>,
803                  isPPC64;
804
805let PPC970_Unit = 2 in {
806let Interpretation64Bit = 1 in {
807// Truncating stores.                       
808def STB8 : DForm_1<38, (outs), (ins g8rc:$rS, memri:$src),
809                   "stb $rS, $src", LdStStore,
810                   [(truncstorei8 i64:$rS, iaddr:$src)]>;
811def STH8 : DForm_1<44, (outs), (ins g8rc:$rS, memri:$src),
812                   "sth $rS, $src", LdStStore,
813                   [(truncstorei16 i64:$rS, iaddr:$src)]>;
814def STW8 : DForm_1<36, (outs), (ins g8rc:$rS, memri:$src),
815                   "stw $rS, $src", LdStStore,
816                   [(truncstorei32 i64:$rS, iaddr:$src)]>;
817def STBX8 : XForm_8<31, 215, (outs), (ins g8rc:$rS, memrr:$dst),
818                   "stbx $rS, $dst", LdStStore,
819                   [(truncstorei8 i64:$rS, xaddr:$dst)]>,
820                   PPC970_DGroup_Cracked;
821def STHX8 : XForm_8<31, 407, (outs), (ins g8rc:$rS, memrr:$dst),
822                   "sthx $rS, $dst", LdStStore,
823                   [(truncstorei16 i64:$rS, xaddr:$dst)]>,
824                   PPC970_DGroup_Cracked;
825def STWX8 : XForm_8<31, 151, (outs), (ins g8rc:$rS, memrr:$dst),
826                   "stwx $rS, $dst", LdStStore,
827                   [(truncstorei32 i64:$rS, xaddr:$dst)]>,
828                   PPC970_DGroup_Cracked;
829} // Interpretation64Bit
830
831// Normal 8-byte stores.
832def STD  : DSForm_1<62, 0, (outs), (ins g8rc:$rS, memrix:$dst),
833                    "std $rS, $dst", LdStSTD,
834                    [(aligned4store i64:$rS, ixaddr:$dst)]>, isPPC64;
835def STDX  : XForm_8<31, 149, (outs), (ins g8rc:$rS, memrr:$dst),
836                   "stdx $rS, $dst", LdStSTD,
837                   [(store i64:$rS, xaddr:$dst)]>, isPPC64,
838                   PPC970_DGroup_Cracked;
839def STDBRX: XForm_8<31, 660, (outs), (ins g8rc:$rS, memrr:$dst),
840                   "stdbrx $rS, $dst", LdStStore,
841                   [(PPCstbrx i64:$rS, xoaddr:$dst, i64)]>, isPPC64,
842                   PPC970_DGroup_Cracked;
843}
844
845// Stores with Update (pre-inc).
846let PPC970_Unit = 2, mayStore = 1 in {
847let Interpretation64Bit = 1 in {
848def STBU8 : DForm_1<39, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memri:$dst),
849                   "stbu $rS, $dst", LdStStoreUpd, []>,
850                   RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
851def STHU8 : DForm_1<45, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memri:$dst),
852                   "sthu $rS, $dst", LdStStoreUpd, []>,
853                   RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
854def STWU8 : DForm_1<37, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memri:$dst),
855                   "stwu $rS, $dst", LdStStoreUpd, []>,
856                   RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">;
857def STDU : DSForm_1<62, 1, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrix:$dst),
858                   "stdu $rS, $dst", LdStSTDU, []>,
859                   RegConstraint<"$dst.reg = $ea_res">, NoEncode<"$ea_res">,
860                   isPPC64;
861
862def STBUX8: XForm_8<31, 247, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
863                    "stbux $rS, $dst", LdStStoreUpd, []>,
864                    RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
865                    PPC970_DGroup_Cracked;
866def STHUX8: XForm_8<31, 439, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
867                    "sthux $rS, $dst", LdStStoreUpd, []>,
868                    RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
869                    PPC970_DGroup_Cracked;
870def STWUX8: XForm_8<31, 183, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
871                    "stwux $rS, $dst", LdStStoreUpd, []>,
872                    RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
873                    PPC970_DGroup_Cracked;
874} // Interpretation64Bit
875
876def STDUX : XForm_8<31, 181, (outs ptr_rc_nor0:$ea_res), (ins g8rc:$rS, memrr:$dst),
877                    "stdux $rS, $dst", LdStSTDU, []>,
878                    RegConstraint<"$dst.ptrreg = $ea_res">, NoEncode<"$ea_res">,
879                    PPC970_DGroup_Cracked, isPPC64;
880}
881
882// Patterns to match the pre-inc stores.  We can't put the patterns on
883// the instruction definitions directly as ISel wants the address base
884// and offset to be separate operands, not a single complex operand.
885def : Pat<(pre_truncsti8 i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
886          (STBU8 $rS, iaddroff:$ptroff, $ptrreg)>;
887def : Pat<(pre_truncsti16 i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
888          (STHU8 $rS, iaddroff:$ptroff, $ptrreg)>;
889def : Pat<(pre_truncsti32 i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
890          (STWU8 $rS, iaddroff:$ptroff, $ptrreg)>;
891def : Pat<(aligned4pre_store i64:$rS, iPTR:$ptrreg, iaddroff:$ptroff),
892          (STDU $rS, iaddroff:$ptroff, $ptrreg)>;
893
894def : Pat<(pre_truncsti8 i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
895          (STBUX8 $rS, $ptrreg, $ptroff)>;
896def : Pat<(pre_truncsti16 i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
897          (STHUX8 $rS, $ptrreg, $ptroff)>;
898def : Pat<(pre_truncsti32 i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
899          (STWUX8 $rS, $ptrreg, $ptroff)>;
900def : Pat<(pre_store i64:$rS, iPTR:$ptrreg, iPTR:$ptroff),
901          (STDUX $rS, $ptrreg, $ptroff)>;
902
903
904//===----------------------------------------------------------------------===//
905// Floating point instructions.
906//
907
908
909let PPC970_Unit = 3, neverHasSideEffects = 1,
910    Uses = [RM] in {  // FPU Operations.
911defm FCFID  : XForm_26r<63, 846, (outs f8rc:$frD), (ins f8rc:$frB),
912                        "fcfid", "$frD, $frB", FPGeneral,
913                        [(set f64:$frD, (PPCfcfid f64:$frB))]>, isPPC64;
914defm FCTIDZ : XForm_26r<63, 815, (outs f8rc:$frD), (ins f8rc:$frB),
915                        "fctidz", "$frD, $frB", FPGeneral,
916                        [(set f64:$frD, (PPCfctidz f64:$frB))]>, isPPC64;
917
918defm FCFIDU  : XForm_26r<63, 974, (outs f8rc:$frD), (ins f8rc:$frB),
919                        "fcfidu", "$frD, $frB", FPGeneral,
920                        [(set f64:$frD, (PPCfcfidu f64:$frB))]>, isPPC64;
921defm FCFIDS  : XForm_26r<59, 846, (outs f4rc:$frD), (ins f8rc:$frB),
922                        "fcfids", "$frD, $frB", FPGeneral,
923                        [(set f32:$frD, (PPCfcfids f64:$frB))]>, isPPC64;
924defm FCFIDUS : XForm_26r<59, 974, (outs f4rc:$frD), (ins f8rc:$frB),
925                        "fcfidus", "$frD, $frB", FPGeneral,
926                        [(set f32:$frD, (PPCfcfidus f64:$frB))]>, isPPC64;
927defm FCTIDUZ : XForm_26r<63, 943, (outs f8rc:$frD), (ins f8rc:$frB),
928                        "fctiduz", "$frD, $frB", FPGeneral,
929                        [(set f64:$frD, (PPCfctiduz f64:$frB))]>, isPPC64;
930defm FCTIWUZ : XForm_26r<63, 143, (outs f8rc:$frD), (ins f8rc:$frB),
931                        "fctiwuz", "$frD, $frB", FPGeneral,
932                        [(set f64:$frD, (PPCfctiwuz f64:$frB))]>, isPPC64;
933}
934
935
936//===----------------------------------------------------------------------===//
937// Instruction Patterns
938//
939
940// Extensions and truncates to/from 32-bit regs.
941def : Pat<(i64 (zext i32:$in)),
942          (RLDICL (INSERT_SUBREG (i64 (IMPLICIT_DEF)), $in, sub_32),
943                  0, 32)>;
944def : Pat<(i64 (anyext i32:$in)),
945          (INSERT_SUBREG (i64 (IMPLICIT_DEF)), $in, sub_32)>;
946def : Pat<(i32 (trunc i64:$in)),
947          (EXTRACT_SUBREG $in, sub_32)>;
948
949// Extending loads with i64 targets.
950def : Pat<(zextloadi1 iaddr:$src),
951          (LBZ8 iaddr:$src)>;
952def : Pat<(zextloadi1 xaddr:$src),
953          (LBZX8 xaddr:$src)>;
954def : Pat<(extloadi1 iaddr:$src),
955          (LBZ8 iaddr:$src)>;
956def : Pat<(extloadi1 xaddr:$src),
957          (LBZX8 xaddr:$src)>;
958def : Pat<(extloadi8 iaddr:$src),
959          (LBZ8 iaddr:$src)>;
960def : Pat<(extloadi8 xaddr:$src),
961          (LBZX8 xaddr:$src)>;
962def : Pat<(extloadi16 iaddr:$src),
963          (LHZ8 iaddr:$src)>;
964def : Pat<(extloadi16 xaddr:$src),
965          (LHZX8 xaddr:$src)>;
966def : Pat<(extloadi32 iaddr:$src),
967          (LWZ8 iaddr:$src)>;
968def : Pat<(extloadi32 xaddr:$src),
969          (LWZX8 xaddr:$src)>;
970
971// Standard shifts.  These are represented separately from the real shifts above
972// so that we can distinguish between shifts that allow 6-bit and 7-bit shift
973// amounts.
974def : Pat<(sra i64:$rS, i32:$rB),
975          (SRAD $rS, $rB)>;
976def : Pat<(srl i64:$rS, i32:$rB),
977          (SRD $rS, $rB)>;
978def : Pat<(shl i64:$rS, i32:$rB),
979          (SLD $rS, $rB)>;
980
981// SHL/SRL
982def : Pat<(shl i64:$in, (i32 imm:$imm)),
983          (RLDICR $in, imm:$imm, (SHL64 imm:$imm))>;
984def : Pat<(srl i64:$in, (i32 imm:$imm)),
985          (RLDICL $in, (SRL64 imm:$imm), imm:$imm)>;
986
987// ROTL
988def : Pat<(rotl i64:$in, i32:$sh),
989          (RLDCL $in, $sh, 0)>;
990def : Pat<(rotl i64:$in, (i32 imm:$imm)),
991          (RLDICL $in, imm:$imm, 0)>;
992
993// Hi and Lo for Darwin Global Addresses.
994def : Pat<(PPChi tglobaladdr:$in, 0), (LIS8 tglobaladdr:$in)>;
995def : Pat<(PPClo tglobaladdr:$in, 0), (LI8  tglobaladdr:$in)>;
996def : Pat<(PPChi tconstpool:$in , 0), (LIS8 tconstpool:$in)>;
997def : Pat<(PPClo tconstpool:$in , 0), (LI8  tconstpool:$in)>;
998def : Pat<(PPChi tjumptable:$in , 0), (LIS8 tjumptable:$in)>;
999def : Pat<(PPClo tjumptable:$in , 0), (LI8  tjumptable:$in)>;
1000def : Pat<(PPChi tblockaddress:$in, 0), (LIS8 tblockaddress:$in)>;
1001def : Pat<(PPClo tblockaddress:$in, 0), (LI8  tblockaddress:$in)>;
1002def : Pat<(PPChi tglobaltlsaddr:$g, i64:$in),
1003          (ADDIS8 $in, tglobaltlsaddr:$g)>;
1004def : Pat<(PPClo tglobaltlsaddr:$g, i64:$in),
1005          (ADDI8 $in, tglobaltlsaddr:$g)>;
1006def : Pat<(add i64:$in, (PPChi tglobaladdr:$g, 0)),
1007          (ADDIS8 $in, tglobaladdr:$g)>;
1008def : Pat<(add i64:$in, (PPChi tconstpool:$g, 0)),
1009          (ADDIS8 $in, tconstpool:$g)>;
1010def : Pat<(add i64:$in, (PPChi tjumptable:$g, 0)),
1011          (ADDIS8 $in, tjumptable:$g)>;
1012def : Pat<(add i64:$in, (PPChi tblockaddress:$g, 0)),
1013          (ADDIS8 $in, tblockaddress:$g)>;
1014
1015// Patterns to match r+r indexed loads and stores for
1016// addresses without at least 4-byte alignment.
1017def : Pat<(i64 (unaligned4sextloadi32 xoaddr:$src)),
1018          (LWAX xoaddr:$src)>;
1019def : Pat<(i64 (unaligned4load xoaddr:$src)),
1020          (LDX xoaddr:$src)>;
1021def : Pat<(unaligned4store i64:$rS, xoaddr:$dst),
1022          (STDX $rS, xoaddr:$dst)>;
1023
1024