target/arm: Fix PSEL size operands to tcg_gen_gvec_ands

Gvec only operates on size 8 and multiples of 16.
Predicates may be any multiple of 2.
Round up the size using the appropriate function.

Cc: qemu-stable@nongnu.org
Fixes: 598ab0b24c ("target/arm: Implement PSEL")
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250704142112.1018902-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson
2025-07-04 15:52:21 +01:00
committed by Peter Maydell
parent a827b94c67
commit 3801c5b75f
+1
View File
@@ -7291,6 +7291,7 @@ static bool trans_PSEL(DisasContext *s, arg_psel *a)
tcg_gen_neg_i64(tmp, tmp);
/* Apply to either copy the source, or write zeros. */
pl = size_for_gvec(pl);
tcg_gen_gvec_ands(MO_64, pred_full_reg_offset(s, a->pd),
pred_full_reg_offset(s, a->pn), tmp, pl, pl);
return true;