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nv50/ir: make sure to fetch all sources before creating instruction

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We must fetch all sources into the instruction stream before generating
the instruction that uses them. Otherwise we'll define values after
using them, which won't work so well.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Tested-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Ilia Mirkin
2016-02-03 18:16:04 -05:00
parent a9d5c64c34
commit edd494ddf0
1 changed files with 8 additions and 5 deletions
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13
src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
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@@ -2428,19 +2428,22 @@ Converter::handleATOM(Value *dst0[4], DataType ty, uint16_t subOp)
continue;
Instruction *insn;
Value *off = fetchSrc(1, c);
Value *off = fetchSrc(1, c), *off2 = NULL;
Value *sym;
if (tgsi.getSrc(1).getFile() == TGSI_FILE_IMMEDIATE)
sym = makeSym(TGSI_FILE_BUFFER, r, -1, c, tgsi.getSrc(1).getValueU32(c, info));
else
sym = makeSym(TGSI_FILE_BUFFER, r, -1, c, 0);
insn = mkOp2(OP_ATOM, ty, dst, sym, fetchSrc(2, c));
if (tgsi.getSrc(0).isIndirect(0))
off2 = fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, 0);
if (subOp == NV50_IR_SUBOP_ATOM_CAS)
insn->setSrc(2, fetchSrc(3, 0));
insn = mkOp3(OP_ATOM, ty, dst, sym, fetchSrc(2, c), fetchSrc(3, c));
else
insn = mkOp2(OP_ATOM, ty, dst, sym, fetchSrc(2, c));
if (tgsi.getSrc(1).getFile() != TGSI_FILE_IMMEDIATE)
insn->setIndirect(0, 0, off);
if (tgsi.getSrc(0).isIndirect(0))
insn->setIndirect(0, 1, fetchSrc(tgsi.getSrc(0).getIndirect(0), 0, 0));
if (off2)
insn->setIndirect(0, 1, off2);
insn->subOp = subOp;
}
for (int c = 0; c < 4; ++c)