* [PATCH] tcg: Remove vecop_list check from tcg_gen_not_vec
@ 2023-08-28 19:39 Richard Henderson
2023-08-28 21:36 ` Philippe Mathieu-Daudé
0 siblings, 1 reply; 2+ messages in thread
From: Richard Henderson @ 2023-08-28 19:39 UTC (permalink / raw)
To: qemu-devel
The not pattern is always available via generic expansion.
See debug block in tcg_can_emit_vecop_list.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/tcg-op-vec.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index ad8ee08a7e..094298bb27 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -391,12 +391,11 @@ static bool do_op2(unsigned vece, TCGv_vec r, TCGv_vec a, TCGOpcode opc)
void tcg_gen_not_vec(unsigned vece, TCGv_vec r, TCGv_vec a)
{
- const TCGOpcode *hold_list = tcg_swap_vecop_list(NULL);
-
- if (!TCG_TARGET_HAS_not_vec || !do_op2(vece, r, a, INDEX_op_not_vec)) {
+ if (TCG_TARGET_HAS_not_vec) {
+ vec_gen_op2(INDEX_op_not_vec, 0, r, a);
+ } else {
tcg_gen_xor_vec(0, r, a, tcg_constant_vec_matching(r, 0, -1));
}
- tcg_swap_vecop_list(hold_list);
}
void tcg_gen_neg_vec(unsigned vece, TCGv_vec r, TCGv_vec a)
--
2.34.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2023-08-28 21:37 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-08-28 19:39 [PATCH] tcg: Remove vecop_list check from tcg_gen_not_vec Richard Henderson
2023-08-28 21:36 ` Philippe Mathieu-Daudé
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).