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pan/bi: Implement image_atomic_comp_swap

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9105>
This commit is contained in:
Alyssa Rosenzweig 2021-02-16 09:54:19 -05:00 • committed by Marge Bot
parent 078a84f474
commit 8081811f2e
1 changed files with 14 additions and 9 deletions
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23
src/panfrost/bifrost/bifrost_compile.c
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@ -619,17 +619,15 @@ bi_emit_axchg_to(bi_builder *b, bi_index dst, bi_index addr, nir_src *arg, enum
* staging register passes */
static void
bi_emit_acmpxchg(bi_builder *b, nir_intrinsic_instr *instr, enum bi_seg seg)
bi_emit_acmpxchg_to(bi_builder *b, bi_index dst, bi_index addr, nir_src *arg_1, nir_src *arg_2, enum bi_seg seg)
{
assert(seg == BI_SEG_NONE || seg == BI_SEG_WLS);
bi_index addr = bi_src_index(&instr->src[0]);
/* hardware is swapped from NIR */
bi_index src0 = bi_src_index(&instr->src[2]);
bi_index src1 = bi_src_index(&instr->src[1]);
bi_index src0 = bi_src_index(arg_2);
bi_index src1 = bi_src_index(arg_1);
unsigned sz = nir_src_bit_size(instr->src[1]);
unsigned sz = nir_src_bit_size(*arg_1);
assert(sz == 32 || sz == 64);
bi_index data_words[] = {
@ -654,7 +652,7 @@ bi_emit_acmpxchg(bi_builder *b, nir_intrinsic_instr *instr, enum bi_seg seg)
bi_word(inout, 1),
};
bi_make_vec_to(b, bi_dest_index(&instr->dest), inout_words, NULL, sz / 32, 32);
bi_make_vec_to(b, dst, inout_words, NULL, sz / 32, 32);
}
/* Extracts an atomic opcode */
@ -1021,11 +1019,18 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
break;
case nir_intrinsic_global_atomic_comp_swap:
bi_emit_acmpxchg(b, instr, BI_SEG_NONE);
bi_emit_acmpxchg_to(b, dst, bi_src_index(&instr->src[0]),
&instr->src[1], &instr->src[2], BI_SEG_NONE);
break;
case nir_intrinsic_image_atomic_comp_swap:
bi_emit_acmpxchg_to(b, dst, bi_emit_lea_image(b, instr),
&instr->src[3], &instr->src[4], BI_SEG_NONE);
break;
case nir_intrinsic_shared_atomic_comp_swap:
bi_emit_acmpxchg(b, instr, BI_SEG_WLS);
bi_emit_acmpxchg_to(b, dst, bi_src_index(&instr->src[0]),
&instr->src[1], &instr->src[2], BI_SEG_WLS);
break;
case nir_intrinsic_load_frag_coord: