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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id h11sm2723630pjk.20.2020.06.02.10.01.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jun 2020 10:01:56 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 03/12] tcg: Remove expansion to shift by vector from do_shifts Date: Tue, 2 Jun 2020 10:01:42 -0700 Message-Id: <20200602170151.321389-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200602170151.321389-1-richard.henderson@linaro.org> References: <20200602170151.321389-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::644; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x644.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We do not reflect this expansion in tcg_can_emit_vecop_list, so it is unused and unusable. However, we actually perform the same expansion in do_gvec_shifts, so it is also unneeded. Signed-off-by: Richard Henderson --- tcg/tcg-op-vec.c | 35 +++++++++++------------------------ 1 file changed, 11 insertions(+), 24 deletions(-) diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c index 488f9bd27b..fb1250fee6 100644 --- a/tcg/tcg-op-vec.c +++ b/tcg/tcg-op-vec.c @@ -707,7 +707,7 @@ void tcg_gen_rotrv_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b) } static void do_shifts(unsigned vece, TCGv_vec r, TCGv_vec a, - TCGv_i32 s, TCGOpcode opc_s, TCGOpcode opc_v) + TCGv_i32 s, TCGOpcode opc) { TCGTemp *rt = tcgv_vec_temp(r); TCGTemp *at = tcgv_vec_temp(a); @@ -716,48 +716,35 @@ static void do_shifts(unsigned vece, TCGv_vec r, TCGv_vec a, TCGArg ai = temp_arg(at); TCGArg si = temp_arg(st); TCGType type = rt->base_type; - const TCGOpcode *hold_list; int can; tcg_debug_assert(at->base_type >= type); - tcg_assert_listed_vecop(opc_s); - hold_list = tcg_swap_vecop_list(NULL); - - can = tcg_can_emit_vec_op(opc_s, type, vece); + tcg_assert_listed_vecop(opc); + can = tcg_can_emit_vec_op(opc, type, vece); if (can > 0) { - vec_gen_3(opc_s, type, vece, ri, ai, si); + vec_gen_3(opc, type, vece, ri, ai, si); } else if (can < 0) { - tcg_expand_vec_op(opc_s, type, vece, ri, ai, si); + const TCGOpcode *hold_list = tcg_swap_vecop_list(NULL); + tcg_expand_vec_op(opc, type, vece, ri, ai, si); + tcg_swap_vecop_list(hold_list); } else { - TCGv_vec vec_s = tcg_temp_new_vec(type); - - if (vece == MO_64) { - TCGv_i64 s64 = tcg_temp_new_i64(); - tcg_gen_extu_i32_i64(s64, s); - tcg_gen_dup_i64_vec(MO_64, vec_s, s64); - tcg_temp_free_i64(s64); - } else { - tcg_gen_dup_i32_vec(vece, vec_s, s); - } - do_op3_nofail(vece, r, a, vec_s, opc_v); - tcg_temp_free_vec(vec_s); + g_assert_not_reached(); } - tcg_swap_vecop_list(hold_list); } void tcg_gen_shls_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_i32 b) { - do_shifts(vece, r, a, b, INDEX_op_shls_vec, INDEX_op_shlv_vec); + do_shifts(vece, r, a, b, INDEX_op_shls_vec); } void tcg_gen_shrs_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_i32 b) { - do_shifts(vece, r, a, b, INDEX_op_shrs_vec, INDEX_op_shrv_vec); + do_shifts(vece, r, a, b, INDEX_op_shrs_vec); } void tcg_gen_sars_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_i32 b) { - do_shifts(vece, r, a, b, INDEX_op_sars_vec, INDEX_op_sarv_vec); + do_shifts(vece, r, a, b, INDEX_op_sars_vec); } void tcg_gen_bitsel_vec(unsigned vece, TCGv_vec r, TCGv_vec a, -- 2.25.1