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pan/bi: Add collect and split instructions

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These move-like instructions will be generated during instruction selection and
lowered before/after register allocation.

These need special printer support until we get dynamic sources/destinations.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16585>
This commit is contained in:
Alyssa Rosenzweig 2022-05-09 17:00:11 -04:00 • committed by Marge Bot
parent afd88d1380
commit 298d20f805
2 changed files with 29 additions and 4 deletions
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6
src/panfrost/bifrost/ISA.xml
View file

@ -8823,4 +8823,10 @@
</mod>
</ins>
<ins name="+COLLECT.i32" pseudo="true"/>
<ins name="+SPLIT.i32" pseudo="true">
<src start="0"/>
</ins>
</bifrost>

27
src/panfrost/bifrost/bi_printer.c.py
View file

@ -160,11 +160,19 @@ bi_${mod}_as_str(enum bi_${mod} ${mod})
void
bi_print_instr(const bi_instr *I, FILE *fp)
{
bi_foreach_dest(I, d) {
if (bi_is_null(I->dest[d])) break;
if (d > 0) fprintf(fp, ", ");
if (I->op == BI_OPCODE_SPLIT_I32) {
for (unsigned d = 0; d < I->nr_dests; ++d) {
if (d > 0) fprintf(fp, ", ");
bi_print_index(fp, I->dest[d]);
bi_print_index(fp, I->dest[d]);
}
} else {
bi_foreach_dest(I, d) {
if (bi_is_null(I->dest[d])) break;
if (d > 0) fprintf(fp, ", ");
bi_print_index(fp, I->dest[d]);
}
}
fprintf(fp, " = %s", bi_opcode_props[I->op].name);
@ -172,6 +180,17 @@ bi_print_instr(const bi_instr *I, FILE *fp)
if (I->table)
fprintf(fp, ".table%u", I->table);
if (I->op == BI_OPCODE_COLLECT_I32) {
for (unsigned i = 0; i < I->nr_srcs; ++i) {
if (i > 0)
fputs(", ", fp);
else
fputs(" ", fp);
bi_print_index(fp, I->src[i]);
}
}
switch (I->op) {
% for opcode in ops:
<%