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reflect: remove unused overflowPad variable

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This commit is contained in:
Phil Kulin 2022-04-20 16:58:10 +03:00
parent 0e08b02ac5
commit f281be9c11
1 changed files with 3 additions and 8 deletions
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11
src/reflect/type.go
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@ -2244,15 +2244,14 @@ func bucketOf(ktyp, etyp *rtype) *rtype {
} }
// Prepare GC data if any. // Prepare GC data if any.
// A bucket is at most bucketSize*(1+maxKeySize+maxValSize)+2*ptrSize bytes, // A bucket is at most bucketSize*(1+maxKeySize+maxValSize)+ptrSize bytes,
// or 2072 bytes, or 259 pointer-size words, or 33 bytes of pointer bitmap. // or 2064 bytes, or 258 pointer-size words, or 33 bytes of pointer bitmap.
// Note that since the key and value are known to be <= 128 bytes, // Note that since the key and value are known to be <= 128 bytes,
// they're guaranteed to have bitmaps instead of GC programs. // they're guaranteed to have bitmaps instead of GC programs.
var gcdata *byte var gcdata *byte
var ptrdata uintptr var ptrdata uintptr
var overflowPad uintptr
size := bucketSize*(1+ktyp.size+etyp.size) + overflowPad + goarch.PtrSize size := bucketSize*(1+ktyp.size+etyp.size) + goarch.PtrSize
if size&uintptr(ktyp.align-1) != 0 || size&uintptr(etyp.align-1) != 0 { if size&uintptr(ktyp.align-1) != 0 || size&uintptr(etyp.align-1) != 0 {
panic("reflect: bad size computation in MapOf") panic("reflect: bad size computation in MapOf")
} }
@ -2271,7 +2270,6 @@ func bucketOf(ktyp, etyp *rtype) *rtype {
emitGCMask(mask, base, etyp, bucketSize) emitGCMask(mask, base, etyp, bucketSize)
} }
base += bucketSize * etyp.size / goarch.PtrSize base += bucketSize * etyp.size / goarch.PtrSize
base += overflowPad / goarch.PtrSize
word := base word := base
mask[word/8] |= 1 << (word % 8) mask[word/8] |= 1 << (word % 8)
@ -2291,9 +2289,6 @@ func bucketOf(ktyp, etyp *rtype) *rtype {
ptrdata: ptrdata, ptrdata: ptrdata,
gcdata: gcdata, gcdata: gcdata,
} }
if overflowPad > 0 {
b.align = 8
}
s := "bucket(" + ktyp.String() + "," + etyp.String() + ")" s := "bucket(" + ktyp.String() + "," + etyp.String() + ")"
b.str = resolveReflectName(newName(s, "", false)) b.str = resolveReflectName(newName(s, "", false))
return b return b