s.values = make([]stackValState, n)
	}
	for _, b := range f.Blocks {
		for _, v := range b.Values {
			s.values[v.ID].typ = v.Type
			s.values[v.ID].needSlot = !v.Type.IsMemory() && !v.Type.IsVoid() && !v.Type.IsFlags() && f.getHome(v.ID) == nil && !v.rematerializeable() && !v.OnWasmStack
			s.values[v.ID].isArg = hasAnyArgOp(v)
			if f.pass.debug > stackDebug && s.values[v.ID].needSlot {
				fmt.Printf("%s needs a stack slot\n", v)
			}

	BufferCount uint32
	Control     syscall.WSABuf
	Flags       uint32
}

//sys	WSASocket(af int32, typ int32, protocol int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = ws2_32.WSASocketW
//sys	WSAGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult

//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
//sys	Flock(fd int, how int) (err error)

//sys	Dup2(from int, to int) (err error)
//sys	Dup3(from int, to int, flags int) (err error)
//sys	Exit(code int)
//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)

	Srelptr  uint64  // File Offset To Relocation
	Slnnoptr uint64  // File Offset To Line Numbers
	Snreloc  uint32  // Number Of Relocation Entries
	Snlnno   uint32  // Number Of Line Number Entries
	Sflags   uint32  // flags
}

// Flags defining the section type.
const (
	STYP_DWARF  = 0x0010
	STYP_TEXT   = 0x0020
	STYP_DATA   = 0x0040
	STYP_BSS    = 0x0080
	STYP_EXCEPT = 0x0100
	STYP_INFO   = 0x0200

		}
		if load.BuildLdflags.Present() {
			fmt.Println("go build: when using gccgo toolchain, please pass linker flags using -gccgoflags, not -ldflags")
		}
	case "gc":
		if load.BuildGccgoflags.Present() {
			fmt.Println("go build: when using gc toolchain, please pass compile flags using -gcflags, and linker flags using -ldflags")
		}
	}

		}

		switch verb {
		case "CFLAGS", "CPPFLAGS", "CXXFLAGS", "FFLAGS", "LDFLAGS":
			// Change relative paths to absolute.
			ctxt.makePathsAbsolute(args, di.Dir)
		}

		switch verb {
		case "CFLAGS":
			di.CgoCFLAGS = append(di.CgoCFLAGS, args...)
		case "CPPFLAGS":
			di.CgoCPPFLAGS = append(di.CgoCPPFLAGS, args...)
		case "CXXFLAGS":
			di.CgoCXXFLAGS = append(di.CgoCXXFLAGS, args...)

	ARDCYCLE
	ARDCYCLEH
	ARDTIME
	ARDTIMEH
	ARDINSTRET
	ARDINSTRETH

	// 11.2: Floating-Point Control and Status Register
	AFRCSR
	AFSCSR
	AFRRM
	AFSRM
	AFRFLAGS
	AFSFLAGS
	AFSRMI
	AFSFLAGSI

	// 11.5: Single-Precision Load and Store Instructions
	AFLW
	AFSW

	// 11.6: Single-Precision Floating-Point Computational Instructions
	AFADDS
	AFSUBS
	AFMULS

// If the condition does not set the flags, we need to generate a comparison.
(CondSelect <t> x y check) && !check.Type.IsFlags() && check.Type.Size() == 1
    => (CondSelect <t> x y (MOVBQZX <typ.UInt64> check))
(CondSelect <t> x y check) && !check.Type.IsFlags() && check.Type.Size() == 2
    => (CondSelect <t> x y (MOVWQZX <typ.UInt64> check))
(CondSelect <t> x y check) && !check.Type.IsFlags() && check.Type.Size() == 4

//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchdir(fd int) (err error)
//sys	Fchflags(fd int, flags int) (err error)
//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
//sys	Flock(fd int, how int) (err error)