cmd/compile: add single-precision FMA code generation for riscv64

[gostls13.git] / src / cmd / compile / internal / ssa / _gen / RISCV64Ops.go

diff --git a/src/cmd/compile/internal/ssa/_gen/RISCV64Ops.go b/src/cmd/compile/internal/ssa/_gen/RISCV64Ops.go
index 69f2950a88fe0638942c745c3588ee3706b2397a..317e9150c9e756fc8de83d34b40633d17eea1362 100644 (file)
--- a/src/cmd/compile/internal/ssa/_gen/RISCV64Ops.go
+++ b/src/cmd/compile/internal/ssa/_gen/RISCV64Ops.go
@@ -411,6 +411,10 @@ func init() {
                {name: "FSUBS", argLength: 2, reg: fp21, asm: "FSUBS", commutative: false, typ: "Float32"},                                          // arg0 - arg1
                {name: "FMULS", argLength: 2, reg: fp21, asm: "FMULS", commutative: true, typ: "Float32"},                                           // arg0 * arg1
                {name: "FDIVS", argLength: 2, reg: fp21, asm: "FDIVS", commutative: false, typ: "Float32"},                                          // arg0 / arg1
+               {name: "FMADDS", argLength: 3, reg: fp31, asm: "FMADDS", commutative: true, typ: "Float32"},                                         // (arg0 * arg1) + arg2
+               {name: "FMSUBS", argLength: 3, reg: fp31, asm: "FMSUBS", commutative: true, typ: "Float32"},                                         // (arg0 * arg1) - arg2
+               {name: "FNMADDS", argLength: 3, reg: fp31, asm: "FNMADDS", commutative: true, typ: "Float32"},                                       // -(arg0 * arg1) + arg2
+               {name: "FNMSUBS", argLength: 3, reg: fp31, asm: "FNMSUBS", commutative: true, typ: "Float32"},                                       // -(arg0 * arg1) - arg2
                {name: "FSQRTS", argLength: 1, reg: fp11, asm: "FSQRTS", typ: "Float32"},                                                            // sqrt(arg0)
                {name: "FNEGS", argLength: 1, reg: fp11, asm: "FNEGS", typ: "Float32"},                                                              // -arg0
                {name: "FMVSX", argLength: 1, reg: gpfp, asm: "FMVSX", typ: "Float32"},                                                              // reinterpret arg0 as float