Mesa (main): isaspec: Handle patterns bigger then 64 bit
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Tue Jun 14 13:11:41 UTC 2022
Module: Mesa
Branch: main
Commit: d364d445ad7b491ebd8bcf991799fb38437541a0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d364d445ad7b491ebd8bcf991799fb38437541a0
Author: Christian Gmeiner <christian.gmeiner at gmail.com>
Date: Sun Jun 12 13:34:30 2022 +0200
isaspec: Handle patterns bigger then 64 bit
Currently uint64_t_to_bitmask(..) is used in combination with
the pattern 'match'. This only works for values smaller then
64 bit. Add support for bigger isa sizes.
Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
Reviewed-by: Rob Clark <robdclark at chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16996>
---
src/compiler/isaspec/encode.py | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/src/compiler/isaspec/encode.py b/src/compiler/isaspec/encode.py
index f24cfba5deb..8daa1ff9f5e 100755
--- a/src/compiler/isaspec/encode.py
+++ b/src/compiler/isaspec/encode.py
@@ -528,7 +528,19 @@ encode${root.get_c_name()}(struct encode_state *s, struct bitset_params *p, ${ro
if (s->gen >= ${leaf.gen_min} && s->gen <= ${leaf.gen_max}) {
% endif
<% snippet = encode_bitset.render(s=s, root=root, leaf=leaf) %>
- bitmask_t val = uint64_t_to_bitmask(${hex(leaf.get_pattern().match)});
+<% words = isa.split_bits((leaf.get_pattern().match), 64) %>
+ bitmask_t val = uint64_t_to_bitmask(${words[-1]});
+
+<% words.pop() %>
+
+% for x in reversed(range(len(words))):
+ {
+ bitmask_t word = uint64_t_to_bitmask(${words[x]});
+ BITSET_SHL(val.bitset, 64);
+ BITSET_OR(val.bitset, val.bitset, word.bitset);
+ }
+% endfor
+
BITSET_OR(val.bitset, val.bitset, ${root.snippets[snippet]}(s, p, src).bitset);
return val;
% if leaf.has_gen_restriction():
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