diff options
Diffstat (limited to 'src/runtime/mksizeclasses.go')
| -rw-r--r-- | src/runtime/mksizeclasses.go | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/runtime/mksizeclasses.go b/src/runtime/mksizeclasses.go index cacbb64207..b92d1fed5f 100644 --- a/src/runtime/mksizeclasses.go +++ b/src/runtime/mksizeclasses.go @@ -35,7 +35,6 @@ import ( "fmt" "go/format" "io" - "io/ioutil" "log" "os" ) @@ -65,7 +64,7 @@ func main() { if *stdout { _, err = os.Stdout.Write(out) } else { - err = ioutil.WriteFile("sizeclasses.go", out, 0666) + err = os.WriteFile("sizeclasses.go", out, 0666) } if err != nil { log.Fatal(err) @@ -110,8 +109,8 @@ func makeClasses() []class { align = 256 } else if size >= 128 { align = size / 8 - } else if size >= 16 { - align = 16 // required for x86 SSE instructions, if we want to use them + } else if size >= 32 { + align = 16 // heap bitmaps assume 16 byte alignment for allocations >= 32 bytes. } } if !powerOfTwo(align) { @@ -157,7 +156,7 @@ func makeClasses() []class { } } - if len(classes) != 67 { + if len(classes) != 68 { panic("number of size classes has changed") } |