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nv50/ir: fix emission of 8-byte wide interp instruction

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This can come up if the target register number is > 63, which is fairly
rare.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91551
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2015-09-10 03:55:06 -04:00
parent 641eda0c79
commit ce28ca7133
1 changed files with 6 additions and 5 deletions
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11
src/gallium/drivers/nouveau/codegen/nv50_ir_emit_nv50.cpp
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@ -884,7 +884,7 @@ CodeEmitterNV50::emitINTERP(const Instruction *i)
defId(i->def(0), 2);
srcAddr8(i->src(0), 16);
if (i->getInterpMode() == NV50_IR_INTERP_FLAT) {
if (i->encSize != 8 && i->getInterpMode() == NV50_IR_INTERP_FLAT) {
code[0] |= 1 << 8;
} else {
if (i->op == OP_PINTERP) {
@ -896,10 +896,11 @@ CodeEmitterNV50::emitINTERP(const Instruction *i)
}
if (i->encSize == 8) {
code[1] =
(code[0] & (3 << 24)) >> (24 - 16) |
(code[0] & (1 << 8)) << (18 - 8);
code[0] &= ~0x03000100;
if (i->getInterpMode() == NV50_IR_INTERP_FLAT)
code[1] = 4 << 16;
else
code[1] = (code[0] & (3 << 24)) >> (24 - 16);
code[0] &= ~0x03000000;
code[0] |= 1;
emitFlagsRd(i);
}