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r600/sfn: Keep array registers alive for the whole shader 

This is needed when using sb as a post-optimizer.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8563>
This commit is contained in:
Gert Wollny 2021-01-18 13:02:44 +01:00 committed by Marge Bot
parent 9fa48c0207
commit 14fe19e797
1 changed files with 10 additions and 2 deletions
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12
src/gallium/drivers/r600/sfn/sfn_value_gpr.cpp
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@ -279,8 +279,16 @@ GPRArray::GPRArray(int base, int size, int mask, int frac):
m_values.resize(size);
for (int i = 0; i < size; ++i) {
for (int j = 0; j < 4; ++j) {
if (mask & (1 << j))
m_values[i].set_reg_i(j, PValue(new GPRValue(base + i, j)));
if (mask & (1 << j)) {
auto gpr = new GPRValue(base + i, j);
/* If we want to use sb, we have to keep arrays
* alife for the whole shader range, otherwise the sb scheduler
* thinks is not capable to rename non-array uses of these registers */
gpr->set_as_input();
gpr->set_keep_alive();
m_values[i].set_reg_i(j, PValue(gpr));
}
}
}
}