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nv50/ir: Don't crash on zero sized BitSets.

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Francisco Jerez 2011-11-19 21:31:28 +01:00 • committed by Christoph Bumiller
parent f0a7ec9a2f
commit 349cb60ed5
1 changed files with 1 additions and 0 deletions
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src/gallium/drivers/nv50/codegen/nv50_ir_util.cpp
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@ -219,6 +219,7 @@ bool BitSet::allocate(unsigned int nBits, bool zero)
if (zero)
memset(data, 0, (size + 7) / 8);
else
if (nBits)
data[(size + 31) / 32 - 1] = 0; // clear unused bits (e.g. for popCount)
return data;