diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/386Ops.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/386Ops.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/386Ops.go b/src/cmd/compile/internal/ssa/gen/386Ops.go index 86f6f72370..1013adf4a6 100644 --- a/src/cmd/compile/internal/ssa/gen/386Ops.go +++ b/src/cmd/compile/internal/ssa/gen/386Ops.go @@ -463,6 +463,18 @@ func init() { {name: "FlagLT_UGT"}, // signed < and unsigned > {name: "FlagGT_UGT"}, // signed > and unsigned < {name: "FlagGT_ULT"}, // signed > and unsigned > + + // Special op for -x on 387 + {name: "FCHS", argLength: 1, reg: fp11}, + + // Special ops for PIC floating-point constants. + // MOVSXconst1 loads the address of the constant-pool entry into a register. + // MOVSXconst2 loads the constant from that address. + // MOVSXconst1 returns a pointer, but we type it as uint32 because it can never point to the Go heap. + {name: "MOVSSconst1", reg: gp01, typ: "UInt32", aux: "Float32"}, + {name: "MOVSDconst1", reg: gp01, typ: "UInt32", aux: "Float64"}, + {name: "MOVSSconst2", argLength: 1, reg: gpfp, asm: "MOVSS"}, + {name: "MOVSDconst2", argLength: 1, reg: gpfp, asm: "MOVSD"}, } var _386blocks = []blockData{ |