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[173.197.98.118]) by smtp.gmail.com with ESMTPSA id s62-20020a17090a69c400b00228e56d375asm233376pjj.33.2023.01.25.20.38.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jan 2023 20:38:30 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org Subject: [PATCH v5 02/36] tcg: Handle dh_typecode_i128 with TCG_CALL_{RET, ARG}_NORMAL Date: Wed, 25 Jan 2023 18:37:50 -1000 Message-Id: <20230126043824.54819-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230126043824.54819-1-richard.henderson@linaro.org> References: <20230126043824.54819-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.google.com 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_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Many hosts pass and return 128-bit quantities like sequential 64-bit quantities. Treat this just like we currently break down 64-bit quantities for a 32-bit host. Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson --- tcg/tcg.c | 37 +++++++++++++++++++++++++++++++++---- 1 file changed, 33 insertions(+), 4 deletions(-) diff --git a/tcg/tcg.c b/tcg/tcg.c index d502327be2..ffddda96ed 100644 --- a/tcg/tcg.c +++ b/tcg/tcg.c @@ -707,11 +707,22 @@ static void init_call_layout(TCGHelperInfo *info) case dh_typecode_s64: info->nr_out = 64 / TCG_TARGET_REG_BITS; info->out_kind = TCG_CALL_RET_NORMAL; + assert(info->nr_out <= ARRAY_SIZE(tcg_target_call_oarg_regs)); + break; + case dh_typecode_i128: + info->nr_out = 128 / TCG_TARGET_REG_BITS; + info->out_kind = TCG_CALL_RET_NORMAL; /* TODO */ + switch (/* TODO */ TCG_CALL_RET_NORMAL) { + case TCG_CALL_RET_NORMAL: + assert(info->nr_out <= ARRAY_SIZE(tcg_target_call_oarg_regs)); + break; + default: + qemu_build_not_reached(); + } break; default: g_assert_not_reached(); } - assert(info->nr_out <= ARRAY_SIZE(tcg_target_call_oarg_regs)); /* * Parse and place function arguments. @@ -733,6 +744,9 @@ static void init_call_layout(TCGHelperInfo *info) case dh_typecode_ptr: type = TCG_TYPE_PTR; break; + case dh_typecode_i128: + type = TCG_TYPE_I128; + break; default: g_assert_not_reached(); } @@ -772,6 +786,19 @@ static void init_call_layout(TCGHelperInfo *info) } break; + case TCG_TYPE_I128: + switch (/* TODO */ TCG_CALL_ARG_NORMAL) { + case TCG_CALL_ARG_EVEN: + layout_arg_even(&cum); + /* fall through */ + case TCG_CALL_ARG_NORMAL: + layout_arg_normal_n(&cum, info, 128 / TCG_TARGET_REG_BITS); + break; + default: + qemu_build_not_reached(); + } + break; + default: g_assert_not_reached(); } @@ -1690,11 +1717,13 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) op->args[pi++] = temp_arg(ret); break; case 2: + case 4: tcg_debug_assert(ret != NULL); - tcg_debug_assert(ret->base_type == ret->type + 1); + tcg_debug_assert(ret->base_type == ret->type + ctz32(n)); tcg_debug_assert(ret->temp_subindex == 0); - op->args[pi++] = temp_arg(ret); - op->args[pi++] = temp_arg(ret + 1); + for (i = 0; i < n; ++i) { + op->args[pi++] = temp_arg(ret + i); + } break; default: g_assert_not_reached(); -- 2.34.1