xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Sparc/SparcInstrUAOSA.td (revision e64bea71c21eb42e97aa615188ba91f6cce0d36d)
1//=== SparcInstrUAOSA.td - UltraSPARC/Oracle SPARC Architecture extensions ===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file contains instruction formats, definitions and patterns needed for
10// UA 2005, UA 2007, and OSA 2011 instructions on SPARC.
11//===----------------------------------------------------------------------===//
12
13class UA2005RegWin<string asmstr, bits<5> fcn>
14    : F3_1<2, 0b110001, (outs), (ins), asmstr, []> {
15  let rd = fcn;
16  let rs1 = 0;
17  let rs2 = 0;
18}
19
20// Convenience template for 4-operand instructions
21class FourOp<string OpcStr, bits<6> op3val, bits<4> op5val,
22        RegisterClass RC>
23      : F3_4<op3val, op5val, (outs RC:$rd), (ins RC:$rs1, RC:$rs2, RC:$rs3),
24        !strconcat(OpcStr, " $rs1, $rs2, $rs3, $rd")>;
25
26/// F2_56 multiclass - Define a F2_5/F2_6 pattern in one shot.
27multiclass F2_56<string OpcStr, bits<1> cc> {
28  def rr  : F2_5<cc, (outs),
29                 (ins cbtarget:$imm10, CCOp:$cond, IntRegs:$rs1, IntRegs:$rs2),
30                 !strconcat(OpcStr, "$cond $rs1, $rs2, $imm10")>;
31  def ri  : F2_6<cc, (outs),
32                 (ins cbtarget:$imm10, CCOp:$cond, IntRegs:$rs1, simm5Op:$simm5),
33                 !strconcat(OpcStr, "$cond $rs1, $simm5, $imm10")>;
34}
35
36// UltraSPARC Architecture 2005 Instructions
37let Predicates = [HasUA2005] in {
38let hasSideEffects = 1 in {
39def ALLCLEAN : UA2005RegWin<"allclean", 0b00010>;
40def INVALW   : UA2005RegWin<"invalw", 0b00101>;
41def NORMALW  : UA2005RegWin<"normalw", 0b00100>;
42def OTHERW   : UA2005RegWin<"otherw", 0b00011>;
43}
44} // Predicates = [HasUA2005]
45
46// UltraSPARC Architecture 2007 Instructions
47let Predicates = [HasUA2007] in {
48def FMADDS : FourOp<"fmadds", 0b110111, 0b0001, FPRegs>;
49def FMADDD : FourOp<"fmaddd", 0b110111, 0b0010, DFPRegs>;
50def FMSUBS : FourOp<"fmsubs", 0b110111, 0b0101, FPRegs>;
51def FMSUBD : FourOp<"fmsubd", 0b110111, 0b0110, DFPRegs>;
52
53def FNMADDS : FourOp<"fnmadds", 0b110111, 0b1101, FPRegs>;
54def FNMADDD : FourOp<"fnmaddd", 0b110111, 0b1110, DFPRegs>;
55def FNMSUBS : FourOp<"fnmsubs", 0b110111, 0b1001, FPRegs>;
56def FNMSUBD : FourOp<"fnmsubd", 0b110111, 0b1010, DFPRegs>;
57} // Predicates = [HasUA2007]
58
59// Oracle SPARC Architecture 2011 Instructions
60let Predicates = [HasOSA2011] in {
61let isBranch = 1, isTerminator = 1, hasDelaySlot = 0 in {
62defm CWBCOND : F2_56<"cwb", 0>;
63defm CXBCOND : F2_56<"cxb", 1>;
64}
65
66def FPMADDX   : FourOp<"fpmaddx", 0b110111, 0b0000, DFPRegs>;
67def FPMADDXHI : FourOp<"fpmaddxhi", 0b110111, 0b0100, DFPRegs>;
68} // Predicates = [HasOSA2011]
69
70// UA2007 instruction patterns.
71let Predicates = [HasUA2007] in {
72def : Pat<(f32 (any_fma f32:$rs1, f32:$rs2, f32:$add)), (FMADDS $rs1, $rs2, $add)>;
73def : Pat<(f64 (any_fma f64:$rs1, f64:$rs2, f64:$add)), (FMADDD $rs1, $rs2, $add)>;
74def : Pat<(f32 (any_fma f32:$rs1, f32:$rs2, (fneg f32:$sub))), (FMSUBS $rs1, $rs2, $sub)>;
75def : Pat<(f64 (any_fma f64:$rs1, f64:$rs2, (fneg f64:$sub))), (FMSUBD $rs1, $rs2, $sub)>;
76def : Pat<(f32 (fneg (any_fma f32:$rs1, f32:$rs2, f32:$add))), (FNMADDS $rs1, $rs2, $add)>;
77def : Pat<(f64 (fneg (any_fma f64:$rs1, f64:$rs2, f64:$add))), (FNMADDD $rs1, $rs2, $add)>;
78def : Pat<(f32 (fneg (any_fma f32:$rs1, f32:$rs2, (fneg f32:$sub)))), (FNMSUBS $rs1, $rs2, $sub)>;
79def : Pat<(f64 (fneg (any_fma f64:$rs1, f64:$rs2, (fneg f64:$sub)))), (FNMSUBD $rs1, $rs2, $sub)>;
80} // Predicates = [HasUA2007]
81