1 //==- SystemZInstrFP.td - Floating-point SystemZ instructions --*- tblgen-*-==//
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 // Select instructions
12 //===----------------------------------------------------------------------===//
14 // C's ?: operator for floating-point operands.
15 def SelectF32 : SelectWrapper<FP32>;
16 def SelectF64 : SelectWrapper<FP64>;
17 def SelectF128 : SelectWrapper<FP128>;
19 defm CondStoreF32 : CondStores<FP32, nonvolatile_store,
20 nonvolatile_load, bdxaddr20only>;
21 defm CondStoreF64 : CondStores<FP64, nonvolatile_store,
22 nonvolatile_load, bdxaddr20only>;
24 //===----------------------------------------------------------------------===//
26 //===----------------------------------------------------------------------===//
29 let hasSideEffects = 0, isAsCheapAsAMove = 1, isMoveImm = 1 in {
30 def LZER : InherentRRE<"lzer", 0xB374, FP32, fpimm0>;
31 def LZDR : InherentRRE<"lzdr", 0xB375, FP64, fpimm0>;
32 def LZXR : InherentRRE<"lzxr", 0xB376, FP128, fpimm0>;
35 // Moves between two floating-point registers.
36 let hasSideEffects = 0 in {
37 def LER : UnaryRR <"ler", 0x38, null_frag, FP32, FP32>;
38 def LDR : UnaryRR <"ldr", 0x28, null_frag, FP64, FP64>;
39 def LXR : UnaryRRE<"lxr", 0xB365, null_frag, FP128, FP128>;
41 // For z13 we prefer LDR over LER to avoid partial register dependencies.
42 let isCodeGenOnly = 1 in
43 def LDR32 : UnaryRR<"ldr", 0x28, null_frag, FP32, FP32>;
46 // Moves between two floating-point registers that also set the condition
48 let Defs = [CC], CCValues = 0xF, CompareZeroCCMask = 0xF in {
49 defm LTEBR : LoadAndTestRRE<"ltebr", 0xB302, FP32>;
50 defm LTDBR : LoadAndTestRRE<"ltdbr", 0xB312, FP64>;
51 defm LTXBR : LoadAndTestRRE<"ltxbr", 0xB342, FP128>;
53 // Note that LTxBRCompare is not available if we have vector support,
54 // since load-and-test instructions will partially clobber the target
56 let Predicates = [FeatureNoVector] in {
57 defm : CompareZeroFP<LTEBRCompare, FP32>;
58 defm : CompareZeroFP<LTDBRCompare, FP64>;
59 defm : CompareZeroFP<LTXBRCompare, FP128>;
62 // Use a normal load-and-test for compare against zero in case of
63 // vector support (via a pseudo to simplify instruction selection).
64 let Defs = [CC], usesCustomInserter = 1 in {
65 def LTEBRCompare_VecPseudo : Pseudo<(outs), (ins FP32:$R1, FP32:$R2), []>;
66 def LTDBRCompare_VecPseudo : Pseudo<(outs), (ins FP64:$R1, FP64:$R2), []>;
67 def LTXBRCompare_VecPseudo : Pseudo<(outs), (ins FP128:$R1, FP128:$R2), []>;
69 let Predicates = [FeatureVector] in {
70 defm : CompareZeroFP<LTEBRCompare_VecPseudo, FP32>;
71 defm : CompareZeroFP<LTDBRCompare_VecPseudo, FP64>;
72 defm : CompareZeroFP<LTXBRCompare_VecPseudo, FP128>;
75 // Moves between 64-bit integer and floating-point registers.
76 def LGDR : UnaryRRE<"lgdr", 0xB3CD, bitconvert, GR64, FP64>;
77 def LDGR : UnaryRRE<"ldgr", 0xB3C1, bitconvert, FP64, GR64>;
79 // fcopysign with an FP32 result.
80 let isCodeGenOnly = 1 in {
81 def CPSDRss : BinaryRRFb<"cpsdr", 0xB372, fcopysign, FP32, FP32, FP32>;
82 def CPSDRsd : BinaryRRFb<"cpsdr", 0xB372, fcopysign, FP32, FP32, FP64>;
85 // The sign of an FP128 is in the high register.
86 def : Pat<(fcopysign FP32:$src1, FP128:$src2),
87 (CPSDRsd FP32:$src1, (EXTRACT_SUBREG FP128:$src2, subreg_h64))>;
89 // fcopysign with an FP64 result.
90 let isCodeGenOnly = 1 in
91 def CPSDRds : BinaryRRFb<"cpsdr", 0xB372, fcopysign, FP64, FP64, FP32>;
92 def CPSDRdd : BinaryRRFb<"cpsdr", 0xB372, fcopysign, FP64, FP64, FP64>;
94 // The sign of an FP128 is in the high register.
95 def : Pat<(fcopysign FP64:$src1, FP128:$src2),
96 (CPSDRdd FP64:$src1, (EXTRACT_SUBREG FP128:$src2, subreg_h64))>;
98 // fcopysign with an FP128 result. Use "upper" as the high half and leave
99 // the low half as-is.
100 class CopySign128<RegisterOperand cls, dag upper>
101 : Pat<(fcopysign FP128:$src1, cls:$src2),
102 (INSERT_SUBREG FP128:$src1, upper, subreg_h64)>;
104 def : CopySign128<FP32, (CPSDRds (EXTRACT_SUBREG FP128:$src1, subreg_h64),
106 def : CopySign128<FP64, (CPSDRdd (EXTRACT_SUBREG FP128:$src1, subreg_h64),
108 def : CopySign128<FP128, (CPSDRdd (EXTRACT_SUBREG FP128:$src1, subreg_h64),
109 (EXTRACT_SUBREG FP128:$src2, subreg_h64))>;
111 defm LoadStoreF32 : MVCLoadStore<load, f32, MVCSequence, 4>;
112 defm LoadStoreF64 : MVCLoadStore<load, f64, MVCSequence, 8>;
113 defm LoadStoreF128 : MVCLoadStore<load, f128, MVCSequence, 16>;
115 //===----------------------------------------------------------------------===//
117 //===----------------------------------------------------------------------===//
119 let canFoldAsLoad = 1, SimpleBDXLoad = 1 in {
120 defm LE : UnaryRXPair<"le", 0x78, 0xED64, load, FP32, 4>;
121 defm LD : UnaryRXPair<"ld", 0x68, 0xED65, load, FP64, 8>;
123 // For z13 we prefer LDE over LE to avoid partial register dependencies.
124 let isCodeGenOnly = 1 in
125 def LDE32 : UnaryRXE<"lde", 0xED24, null_frag, FP32, 4>;
127 // These instructions are split after register allocation, so we don't
128 // want a custom inserter.
129 let Has20BitOffset = 1, HasIndex = 1, Is128Bit = 1 in {
130 def LX : Pseudo<(outs FP128:$dst), (ins bdxaddr20only128:$src),
131 [(set FP128:$dst, (load bdxaddr20only128:$src))]>;
135 //===----------------------------------------------------------------------===//
136 // Store instructions
137 //===----------------------------------------------------------------------===//
139 let SimpleBDXStore = 1 in {
140 defm STE : StoreRXPair<"ste", 0x70, 0xED66, store, FP32, 4>;
141 defm STD : StoreRXPair<"std", 0x60, 0xED67, store, FP64, 8>;
143 // These instructions are split after register allocation, so we don't
144 // want a custom inserter.
145 let Has20BitOffset = 1, HasIndex = 1, Is128Bit = 1 in {
146 def STX : Pseudo<(outs), (ins FP128:$src, bdxaddr20only128:$dst),
147 [(store FP128:$src, bdxaddr20only128:$dst)]>;
151 //===----------------------------------------------------------------------===//
152 // Conversion instructions
153 //===----------------------------------------------------------------------===//
155 // Convert floating-point values to narrower representations, rounding
156 // according to the current mode. The destination of LEXBR and LDXBR
157 // is a 128-bit value, but only the first register of the pair is used.
158 def LEDBR : UnaryRRE<"ledbr", 0xB344, fpround, FP32, FP64>;
159 def LEXBR : UnaryRRE<"lexbr", 0xB346, null_frag, FP128, FP128>;
160 def LDXBR : UnaryRRE<"ldxbr", 0xB345, null_frag, FP128, FP128>;
162 def LEDBRA : TernaryRRFe<"ledbra", 0xB344, FP32, FP64>,
163 Requires<[FeatureFPExtension]>;
164 def LEXBRA : TernaryRRFe<"lexbra", 0xB346, FP128, FP128>,
165 Requires<[FeatureFPExtension]>;
166 def LDXBRA : TernaryRRFe<"ldxbra", 0xB345, FP128, FP128>,
167 Requires<[FeatureFPExtension]>;
169 def : Pat<(f32 (fpround FP128:$src)),
170 (EXTRACT_SUBREG (LEXBR FP128:$src), subreg_hr32)>;
171 def : Pat<(f64 (fpround FP128:$src)),
172 (EXTRACT_SUBREG (LDXBR FP128:$src), subreg_h64)>;
174 // Extend register floating-point values to wider representations.
175 def LDEBR : UnaryRRE<"ldebr", 0xB304, fpextend, FP64, FP32>;
176 def LXEBR : UnaryRRE<"lxebr", 0xB306, fpextend, FP128, FP32>;
177 def LXDBR : UnaryRRE<"lxdbr", 0xB305, fpextend, FP128, FP64>;
179 // Extend memory floating-point values to wider representations.
180 def LDEB : UnaryRXE<"ldeb", 0xED04, extloadf32, FP64, 4>;
181 def LXEB : UnaryRXE<"lxeb", 0xED06, extloadf32, FP128, 4>;
182 def LXDB : UnaryRXE<"lxdb", 0xED05, extloadf64, FP128, 8>;
184 // Convert a signed integer register value to a floating-point one.
185 def CEFBR : UnaryRRE<"cefbr", 0xB394, sint_to_fp, FP32, GR32>;
186 def CDFBR : UnaryRRE<"cdfbr", 0xB395, sint_to_fp, FP64, GR32>;
187 def CXFBR : UnaryRRE<"cxfbr", 0xB396, sint_to_fp, FP128, GR32>;
189 def CEGBR : UnaryRRE<"cegbr", 0xB3A4, sint_to_fp, FP32, GR64>;
190 def CDGBR : UnaryRRE<"cdgbr", 0xB3A5, sint_to_fp, FP64, GR64>;
191 def CXGBR : UnaryRRE<"cxgbr", 0xB3A6, sint_to_fp, FP128, GR64>;
193 // The FP extension feature provides versions of the above that allow
194 // specifying rounding mode and inexact-exception suppression flags.
195 let Predicates = [FeatureFPExtension] in {
196 def CEFBRA : TernaryRRFe<"cefbra", 0xB394, FP32, GR32>;
197 def CDFBRA : TernaryRRFe<"cdfbra", 0xB395, FP64, GR32>;
198 def CXFBRA : TernaryRRFe<"cxfbra", 0xB396, FP128, GR32>;
200 def CEGBRA : TernaryRRFe<"cegbra", 0xB3A4, FP32, GR64>;
201 def CDGBRA : TernaryRRFe<"cdgbra", 0xB3A5, FP64, GR64>;
202 def CXGBRA : TernaryRRFe<"cxgbra", 0xB3A6, FP128, GR64>;
205 // Convert am unsigned integer register value to a floating-point one.
206 let Predicates = [FeatureFPExtension] in {
207 def CELFBR : TernaryRRFe<"celfbr", 0xB390, FP32, GR32>;
208 def CDLFBR : TernaryRRFe<"cdlfbr", 0xB391, FP64, GR32>;
209 def CXLFBR : TernaryRRFe<"cxlfbr", 0xB392, FP128, GR32>;
211 def CELGBR : TernaryRRFe<"celgbr", 0xB3A0, FP32, GR64>;
212 def CDLGBR : TernaryRRFe<"cdlgbr", 0xB3A1, FP64, GR64>;
213 def CXLGBR : TernaryRRFe<"cxlgbr", 0xB3A2, FP128, GR64>;
215 def : Pat<(f32 (uint_to_fp GR32:$src)), (CELFBR 0, GR32:$src, 0)>;
216 def : Pat<(f64 (uint_to_fp GR32:$src)), (CDLFBR 0, GR32:$src, 0)>;
217 def : Pat<(f128 (uint_to_fp GR32:$src)), (CXLFBR 0, GR32:$src, 0)>;
219 def : Pat<(f32 (uint_to_fp GR64:$src)), (CELGBR 0, GR64:$src, 0)>;
220 def : Pat<(f64 (uint_to_fp GR64:$src)), (CDLGBR 0, GR64:$src, 0)>;
221 def : Pat<(f128 (uint_to_fp GR64:$src)), (CXLGBR 0, GR64:$src, 0)>;
224 // Convert a floating-point register value to a signed integer value,
225 // with the second operand (modifier M3) specifying the rounding mode.
227 def CFEBR : BinaryRRFe<"cfebr", 0xB398, GR32, FP32>;
228 def CFDBR : BinaryRRFe<"cfdbr", 0xB399, GR32, FP64>;
229 def CFXBR : BinaryRRFe<"cfxbr", 0xB39A, GR32, FP128>;
231 def CGEBR : BinaryRRFe<"cgebr", 0xB3A8, GR64, FP32>;
232 def CGDBR : BinaryRRFe<"cgdbr", 0xB3A9, GR64, FP64>;
233 def CGXBR : BinaryRRFe<"cgxbr", 0xB3AA, GR64, FP128>;
236 // fp_to_sint always rounds towards zero, which is modifier value 5.
237 def : Pat<(i32 (fp_to_sint FP32:$src)), (CFEBR 5, FP32:$src)>;
238 def : Pat<(i32 (fp_to_sint FP64:$src)), (CFDBR 5, FP64:$src)>;
239 def : Pat<(i32 (fp_to_sint FP128:$src)), (CFXBR 5, FP128:$src)>;
241 def : Pat<(i64 (fp_to_sint FP32:$src)), (CGEBR 5, FP32:$src)>;
242 def : Pat<(i64 (fp_to_sint FP64:$src)), (CGDBR 5, FP64:$src)>;
243 def : Pat<(i64 (fp_to_sint FP128:$src)), (CGXBR 5, FP128:$src)>;
245 // The FP extension feature provides versions of the above that allow
246 // also specifying the inexact-exception suppression flag.
247 let Predicates = [FeatureFPExtension], Defs = [CC] in {
248 def CFEBRA : TernaryRRFe<"cfebra", 0xB398, GR32, FP32>;
249 def CFDBRA : TernaryRRFe<"cfdbra", 0xB399, GR32, FP64>;
250 def CFXBRA : TernaryRRFe<"cfxbra", 0xB39A, GR32, FP128>;
252 def CGEBRA : TernaryRRFe<"cgebra", 0xB3A8, GR64, FP32>;
253 def CGDBRA : TernaryRRFe<"cgdbra", 0xB3A9, GR64, FP64>;
254 def CGXBRA : TernaryRRFe<"cgxbra", 0xB3AA, GR64, FP128>;
257 // Convert a floating-point register value to an unsigned integer value.
258 let Predicates = [FeatureFPExtension] in {
260 def CLFEBR : TernaryRRFe<"clfebr", 0xB39C, GR32, FP32>;
261 def CLFDBR : TernaryRRFe<"clfdbr", 0xB39D, GR32, FP64>;
262 def CLFXBR : TernaryRRFe<"clfxbr", 0xB39E, GR32, FP128>;
264 def CLGEBR : TernaryRRFe<"clgebr", 0xB3AC, GR64, FP32>;
265 def CLGDBR : TernaryRRFe<"clgdbr", 0xB3AD, GR64, FP64>;
266 def CLGXBR : TernaryRRFe<"clgxbr", 0xB3AE, GR64, FP128>;
269 def : Pat<(i32 (fp_to_uint FP32:$src)), (CLFEBR 5, FP32:$src, 0)>;
270 def : Pat<(i32 (fp_to_uint FP64:$src)), (CLFDBR 5, FP64:$src, 0)>;
271 def : Pat<(i32 (fp_to_uint FP128:$src)), (CLFXBR 5, FP128:$src, 0)>;
273 def : Pat<(i64 (fp_to_uint FP32:$src)), (CLGEBR 5, FP32:$src, 0)>;
274 def : Pat<(i64 (fp_to_uint FP64:$src)), (CLGDBR 5, FP64:$src, 0)>;
275 def : Pat<(i64 (fp_to_uint FP128:$src)), (CLGXBR 5, FP128:$src, 0)>;
279 //===----------------------------------------------------------------------===//
281 //===----------------------------------------------------------------------===//
283 // We prefer generic instructions during isel, because they do not
284 // clobber CC and therefore give the scheduler more freedom. In cases
285 // the CC is actually useful, the SystemZElimCompare pass will try to
286 // convert generic instructions into opcodes that also set CC. Note
287 // that lcdf / lpdf / lndf only affect the sign bit, and can therefore
288 // be used with fp32 as well. This could be done for fp128, in which
289 // case the operands would have to be tied.
291 // Negation (Load Complement).
292 let Defs = [CC], CCValues = 0xF, CompareZeroCCMask = 0xF in {
293 def LCEBR : UnaryRRE<"lcebr", 0xB303, null_frag, FP32, FP32>;
294 def LCDBR : UnaryRRE<"lcdbr", 0xB313, null_frag, FP64, FP64>;
295 def LCXBR : UnaryRRE<"lcxbr", 0xB343, fneg, FP128, FP128>;
297 // Generic form, which does not set CC.
298 def LCDFR : UnaryRRE<"lcdfr", 0xB373, fneg, FP64, FP64>;
299 let isCodeGenOnly = 1 in
300 def LCDFR_32 : UnaryRRE<"lcdfr", 0xB373, fneg, FP32, FP32>;
302 // Absolute value (Load Positive).
303 let Defs = [CC], CCValues = 0xF, CompareZeroCCMask = 0xF in {
304 def LPEBR : UnaryRRE<"lpebr", 0xB300, null_frag, FP32, FP32>;
305 def LPDBR : UnaryRRE<"lpdbr", 0xB310, null_frag, FP64, FP64>;
306 def LPXBR : UnaryRRE<"lpxbr", 0xB340, fabs, FP128, FP128>;
308 // Generic form, which does not set CC.
309 def LPDFR : UnaryRRE<"lpdfr", 0xB370, fabs, FP64, FP64>;
310 let isCodeGenOnly = 1 in
311 def LPDFR_32 : UnaryRRE<"lpdfr", 0xB370, fabs, FP32, FP32>;
313 // Negative absolute value (Load Negative).
314 let Defs = [CC], CCValues = 0xF, CompareZeroCCMask = 0xF in {
315 def LNEBR : UnaryRRE<"lnebr", 0xB301, null_frag, FP32, FP32>;
316 def LNDBR : UnaryRRE<"lndbr", 0xB311, null_frag, FP64, FP64>;
317 def LNXBR : UnaryRRE<"lnxbr", 0xB341, fnabs, FP128, FP128>;
319 // Generic form, which does not set CC.
320 def LNDFR : UnaryRRE<"lndfr", 0xB371, fnabs, FP64, FP64>;
321 let isCodeGenOnly = 1 in
322 def LNDFR_32 : UnaryRRE<"lndfr", 0xB371, fnabs, FP32, FP32>;
325 def SQEBR : UnaryRRE<"sqebr", 0xB314, fsqrt, FP32, FP32>;
326 def SQDBR : UnaryRRE<"sqdbr", 0xB315, fsqrt, FP64, FP64>;
327 def SQXBR : UnaryRRE<"sqxbr", 0xB316, fsqrt, FP128, FP128>;
329 def SQEB : UnaryRXE<"sqeb", 0xED14, loadu<fsqrt>, FP32, 4>;
330 def SQDB : UnaryRXE<"sqdb", 0xED15, loadu<fsqrt>, FP64, 8>;
332 // Round to an integer, with the second operand (modifier M3) specifying
333 // the rounding mode. These forms always check for inexact conditions.
334 def FIEBR : BinaryRRFe<"fiebr", 0xB357, FP32, FP32>;
335 def FIDBR : BinaryRRFe<"fidbr", 0xB35F, FP64, FP64>;
336 def FIXBR : BinaryRRFe<"fixbr", 0xB347, FP128, FP128>;
338 // frint rounds according to the current mode (modifier 0) and detects
339 // inexact conditions.
340 def : Pat<(frint FP32:$src), (FIEBR 0, FP32:$src)>;
341 def : Pat<(frint FP64:$src), (FIDBR 0, FP64:$src)>;
342 def : Pat<(frint FP128:$src), (FIXBR 0, FP128:$src)>;
344 let Predicates = [FeatureFPExtension] in {
345 // Extended forms of the FIxBR instructions. M4 can be set to 4
346 // to suppress detection of inexact conditions.
347 def FIEBRA : TernaryRRFe<"fiebra", 0xB357, FP32, FP32>;
348 def FIDBRA : TernaryRRFe<"fidbra", 0xB35F, FP64, FP64>;
349 def FIXBRA : TernaryRRFe<"fixbra", 0xB347, FP128, FP128>;
351 // fnearbyint is like frint but does not detect inexact conditions.
352 def : Pat<(fnearbyint FP32:$src), (FIEBRA 0, FP32:$src, 4)>;
353 def : Pat<(fnearbyint FP64:$src), (FIDBRA 0, FP64:$src, 4)>;
354 def : Pat<(fnearbyint FP128:$src), (FIXBRA 0, FP128:$src, 4)>;
356 // floor is no longer allowed to raise an inexact condition,
357 // so restrict it to the cases where the condition can be suppressed.
358 // Mode 7 is round towards -inf.
359 def : Pat<(ffloor FP32:$src), (FIEBRA 7, FP32:$src, 4)>;
360 def : Pat<(ffloor FP64:$src), (FIDBRA 7, FP64:$src, 4)>;
361 def : Pat<(ffloor FP128:$src), (FIXBRA 7, FP128:$src, 4)>;
363 // Same idea for ceil, where mode 6 is round towards +inf.
364 def : Pat<(fceil FP32:$src), (FIEBRA 6, FP32:$src, 4)>;
365 def : Pat<(fceil FP64:$src), (FIDBRA 6, FP64:$src, 4)>;
366 def : Pat<(fceil FP128:$src), (FIXBRA 6, FP128:$src, 4)>;
368 // Same idea for trunc, where mode 5 is round towards zero.
369 def : Pat<(ftrunc FP32:$src), (FIEBRA 5, FP32:$src, 4)>;
370 def : Pat<(ftrunc FP64:$src), (FIDBRA 5, FP64:$src, 4)>;
371 def : Pat<(ftrunc FP128:$src), (FIXBRA 5, FP128:$src, 4)>;
373 // Same idea for round, where mode 1 is round towards nearest with
374 // ties away from zero.
375 def : Pat<(fround FP32:$src), (FIEBRA 1, FP32:$src, 4)>;
376 def : Pat<(fround FP64:$src), (FIDBRA 1, FP64:$src, 4)>;
377 def : Pat<(fround FP128:$src), (FIXBRA 1, FP128:$src, 4)>;
380 //===----------------------------------------------------------------------===//
382 //===----------------------------------------------------------------------===//
385 let Defs = [CC], CCValues = 0xF, CompareZeroCCMask = 0xF in {
386 let isCommutable = 1 in {
387 def AEBR : BinaryRRE<"aebr", 0xB30A, fadd, FP32, FP32>;
388 def ADBR : BinaryRRE<"adbr", 0xB31A, fadd, FP64, FP64>;
389 def AXBR : BinaryRRE<"axbr", 0xB34A, fadd, FP128, FP128>;
391 def AEB : BinaryRXE<"aeb", 0xED0A, fadd, FP32, load, 4>;
392 def ADB : BinaryRXE<"adb", 0xED1A, fadd, FP64, load, 8>;
396 let Defs = [CC], CCValues = 0xF, CompareZeroCCMask = 0xF in {
397 def SEBR : BinaryRRE<"sebr", 0xB30B, fsub, FP32, FP32>;
398 def SDBR : BinaryRRE<"sdbr", 0xB31B, fsub, FP64, FP64>;
399 def SXBR : BinaryRRE<"sxbr", 0xB34B, fsub, FP128, FP128>;
401 def SEB : BinaryRXE<"seb", 0xED0B, fsub, FP32, load, 4>;
402 def SDB : BinaryRXE<"sdb", 0xED1B, fsub, FP64, load, 8>;
406 let isCommutable = 1 in {
407 def MEEBR : BinaryRRE<"meebr", 0xB317, fmul, FP32, FP32>;
408 def MDBR : BinaryRRE<"mdbr", 0xB31C, fmul, FP64, FP64>;
409 def MXBR : BinaryRRE<"mxbr", 0xB34C, fmul, FP128, FP128>;
411 def MEEB : BinaryRXE<"meeb", 0xED17, fmul, FP32, load, 4>;
412 def MDB : BinaryRXE<"mdb", 0xED1C, fmul, FP64, load, 8>;
414 // f64 multiplication of two FP32 registers.
415 def MDEBR : BinaryRRE<"mdebr", 0xB30C, null_frag, FP64, FP32>;
416 def : Pat<(fmul (f64 (fpextend FP32:$src1)), (f64 (fpextend FP32:$src2))),
417 (MDEBR (INSERT_SUBREG (f64 (IMPLICIT_DEF)),
418 FP32:$src1, subreg_r32), FP32:$src2)>;
420 // f64 multiplication of an FP32 register and an f32 memory.
421 def MDEB : BinaryRXE<"mdeb", 0xED0C, null_frag, FP64, load, 4>;
422 def : Pat<(fmul (f64 (fpextend FP32:$src1)),
423 (f64 (extloadf32 bdxaddr12only:$addr))),
424 (MDEB (INSERT_SUBREG (f64 (IMPLICIT_DEF)), FP32:$src1, subreg_r32),
425 bdxaddr12only:$addr)>;
427 // f128 multiplication of two FP64 registers.
428 def MXDBR : BinaryRRE<"mxdbr", 0xB307, null_frag, FP128, FP64>;
429 def : Pat<(fmul (f128 (fpextend FP64:$src1)), (f128 (fpextend FP64:$src2))),
430 (MXDBR (INSERT_SUBREG (f128 (IMPLICIT_DEF)),
431 FP64:$src1, subreg_h64), FP64:$src2)>;
433 // f128 multiplication of an FP64 register and an f64 memory.
434 def MXDB : BinaryRXE<"mxdb", 0xED07, null_frag, FP128, load, 8>;
435 def : Pat<(fmul (f128 (fpextend FP64:$src1)),
436 (f128 (extloadf64 bdxaddr12only:$addr))),
437 (MXDB (INSERT_SUBREG (f128 (IMPLICIT_DEF)), FP64:$src1, subreg_h64),
438 bdxaddr12only:$addr)>;
440 // Fused multiply-add.
441 def MAEBR : TernaryRRD<"maebr", 0xB30E, z_fma, FP32, FP32>;
442 def MADBR : TernaryRRD<"madbr", 0xB31E, z_fma, FP64, FP64>;
444 def MAEB : TernaryRXF<"maeb", 0xED0E, z_fma, FP32, FP32, load, 4>;
445 def MADB : TernaryRXF<"madb", 0xED1E, z_fma, FP64, FP64, load, 8>;
447 // Fused multiply-subtract.
448 def MSEBR : TernaryRRD<"msebr", 0xB30F, z_fms, FP32, FP32>;
449 def MSDBR : TernaryRRD<"msdbr", 0xB31F, z_fms, FP64, FP64>;
451 def MSEB : TernaryRXF<"mseb", 0xED0F, z_fms, FP32, FP32, load, 4>;
452 def MSDB : TernaryRXF<"msdb", 0xED1F, z_fms, FP64, FP64, load, 8>;
455 def DEBR : BinaryRRE<"debr", 0xB30D, fdiv, FP32, FP32>;
456 def DDBR : BinaryRRE<"ddbr", 0xB31D, fdiv, FP64, FP64>;
457 def DXBR : BinaryRRE<"dxbr", 0xB34D, fdiv, FP128, FP128>;
459 def DEB : BinaryRXE<"deb", 0xED0D, fdiv, FP32, load, 4>;
460 def DDB : BinaryRXE<"ddb", 0xED1D, fdiv, FP64, load, 8>;
462 // Divide to integer.
464 def DIEBR : TernaryRRFb<"diebr", 0xB353, FP32, FP32, FP32>;
465 def DIDBR : TernaryRRFb<"didbr", 0xB35B, FP64, FP64, FP64>;
468 //===----------------------------------------------------------------------===//
470 //===----------------------------------------------------------------------===//
472 let Defs = [CC], CCValues = 0xF in {
473 def CEBR : CompareRRE<"cebr", 0xB309, z_fcmp, FP32, FP32>;
474 def CDBR : CompareRRE<"cdbr", 0xB319, z_fcmp, FP64, FP64>;
475 def CXBR : CompareRRE<"cxbr", 0xB349, z_fcmp, FP128, FP128>;
477 def CEB : CompareRXE<"ceb", 0xED09, z_fcmp, FP32, load, 4>;
478 def CDB : CompareRXE<"cdb", 0xED19, z_fcmp, FP64, load, 8>;
480 def KEBR : CompareRRE<"kebr", 0xB308, null_frag, FP32, FP32>;
481 def KDBR : CompareRRE<"kdbr", 0xB318, null_frag, FP64, FP64>;
482 def KXBR : CompareRRE<"kxbr", 0xB348, null_frag, FP128, FP128>;
484 def KEB : CompareRXE<"keb", 0xED08, null_frag, FP32, load, 4>;
485 def KDB : CompareRXE<"kdb", 0xED18, null_frag, FP64, load, 8>;
489 let Defs = [CC], CCValues = 0xC in {
490 def TCEB : TestRXE<"tceb", 0xED10, z_tdc, FP32>;
491 def TCDB : TestRXE<"tcdb", 0xED11, z_tdc, FP64>;
492 def TCXB : TestRXE<"tcxb", 0xED12, z_tdc, FP128>;
495 //===----------------------------------------------------------------------===//
496 // Floating-point control register instructions
497 //===----------------------------------------------------------------------===//
499 let hasSideEffects = 1 in {
500 def EFPC : InherentRRE<"efpc", 0xB38C, GR32, int_s390_efpc>;
501 def STFPC : StoreInherentS<"stfpc", 0xB29C, storei<int_s390_efpc>, 4>;
503 def SFPC : SideEffectUnaryRRE<"sfpc", 0xB384, GR32, int_s390_sfpc>;
504 def LFPC : SideEffectUnaryS<"lfpc", 0xB29D, loadu<int_s390_sfpc>, 4>;
506 def SFASR : SideEffectUnaryRRE<"sfasr", 0xB385, GR32, null_frag>;
507 def LFAS : SideEffectUnaryS<"lfas", 0xB2BD, null_frag, 4>;
509 def SRNMB : SideEffectAddressS<"srnmb", 0xB2B8, null_frag, shift12only>,
510 Requires<[FeatureFPExtension]>;
511 def SRNM : SideEffectAddressS<"srnm", 0xB299, null_frag, shift12only>;
512 def SRNMT : SideEffectAddressS<"srnmt", 0xB2B9, null_frag, shift12only>;
515 //===----------------------------------------------------------------------===//
517 //===----------------------------------------------------------------------===//
519 def : Pat<(f32 fpimmneg0), (LCDFR_32 (LZER))>;
520 def : Pat<(f64 fpimmneg0), (LCDFR (LZDR))>;
521 def : Pat<(f128 fpimmneg0), (LCXBR (LZXR))>;