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nv50/ir/ra: Fix register interference tracking.

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See fdo bug 55224.
This commit is contained in:
Jay Cornwall 2012-09-22 11:15:11 -05:00 • committed by Christoph Bumiller
parent 124b214f09
commit 374925bec9
1 changed files with 4 additions and 4 deletions
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8
src/gallium/drivers/nv50/codegen/nv50_ir_ra.cpp
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@ -43,7 +43,7 @@ public:
bool assign(int32_t& reg, DataFile f, unsigned int size);
void release(DataFile f, int32_t reg, unsigned int size);
bool occupy(DataFile f, int32_t reg, unsigned int size);
bool occupy(DataFile f, int32_t reg, unsigned int size, bool noTest = false);
bool occupy(const Value *);
void occupyMask(DataFile f, int32_t reg, uint8_t mask);
@ -167,9 +167,9 @@ RegisterSet::occupyMask(DataFile f, int32_t reg, uint8_t mask)
}
bool
RegisterSet::occupy(DataFile f, int32_t reg, unsigned int size)
RegisterSet::occupy(DataFile f, int32_t reg, unsigned int size, bool noTest)
{
if (bits[f].testRange(reg, size))
if (!noTest && bits[f].testRange(reg, size))
return false;
bits[f].setRange(reg, size);
@ -1235,7 +1235,7 @@ GCRA::checkInterference(const RIG_Node *node, Graph::EdgeIterator& ei)
INFO_DBG(prog->dbgFlags, REG_ALLOC,
"(%%%i) X (%%%i): $r%i + %u\n",
vA->id, vB->id, intf->reg, intf->colors);
regs.occupy(node->f, intf->reg, intf->colors);
regs.occupy(node->f, intf->reg, intf->colors, true);
}
}