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| author | Russ Cox <rsc@golang.org> | 2014-08-15 15:22:33 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-08-15 15:22:33 -0400 |
| commit | ac4f097bb640c032692354736617eeaddf33399a (patch) | |
| tree | 9215cfff34f6d29e369100189740c00c7be51a33 /src/cmd | |
| parent | d34c536b6e9f2e3c883c91c9144cc821aa5f7c44 (diff) | |
| download | go-ac4f097bb640c032692354736617eeaddf33399a.tar.gz | |
[dev.power64] runtime: make all bitmaps arrays of bytes
The "simpler faster garbage collector" is full of little-endian assumptions.
Instead of trying to correct all the mistakes, just give in and make
everything use bytes.
LGTM=minux
R=minux
CC=dvyukov, golang-codereviews
https://codereview.appspot.com/124400043
Diffstat (limited to 'src/cmd')
| -rw-r--r-- | src/cmd/gc/plive.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/cmd/gc/plive.c b/src/cmd/gc/plive.c index e67b0af75..716cdd108 100644 --- a/src/cmd/gc/plive.c +++ b/src/cmd/gc/plive.c @@ -1939,7 +1939,11 @@ twobitwritesymbol(Array *arr, Sym *sym) break; for(j = 0; j < bv->n; j += 32) { word = bv->b[j/32]; - off = duint32(sym, off, word); + // Runtime reads the bitmaps as byte arrays. Oblige. + off = duint8(sym, off, word); + off = duint8(sym, off, word>>8); + off = duint8(sym, off, word>>16); + off = duint8(sym, off, word>>24); } } duint32(sym, 0, i); // number of bitmaps |