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pan/bi: Use builder for IADD -> IADDC opt

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As before.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17794>
This commit is contained in:
Alyssa Rosenzweig 2022-07-22 15:48:07 -04:00 • committed by Marge Bot
parent fd42780337
commit 692a2580eb
1 changed files with 8 additions and 4 deletions
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12
src/panfrost/bifrost/bi_schedule.c
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@ -1293,13 +1293,17 @@ bi_take_instr(bi_context *ctx, struct bi_worklist st,
bi_pop_instr(clause, tuple, instr, live_after_temp, fma);
/* Fixups */
bi_builder b = bi_init_builder(ctx, bi_before_instr(instr));
if (instr->op == BI_OPCODE_IADD_U32 && fma) {
assert(bi_can_iaddc(instr));
instr->op = BI_OPCODE_IADDC_I32;
instr->src[2] = bi_zero();
instr->nr_srcs = 3;
bi_instr *iaddc =
bi_iaddc_i32_to(&b, instr->dest[0], instr->src[0],
instr->src[1], bi_zero());
bi_remove_instruction(instr);
instr = iaddc;
} else if (fma && bi_can_replace_with_csel(instr)) {
bi_builder b = bi_init_builder(ctx, bi_before_instr(instr));
bi_instr *csel = bi_csel_from_mux(&b, instr, false);
bi_remove_instruction(instr);