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[40.133.238.146]) by smtp.gmail.com with ESMTPSA id p12-20020a1709028a8c00b001a63deeb5e2sm2652130plo.92.2023.04.10.18.10.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Apr 2023 18:10:06 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org, qemu-riscv@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v2 43/54] tcg/riscv: Convert tcg_out_qemu_{ld,st}_slow_path Date: Mon, 10 Apr 2023 18:05:01 -0700 Message-Id: <20230411010512.5375-44-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230411010512.5375-1-richard.henderson@linaro.org> References: <20230411010512.5375-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1035; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1035.google.com X-Spam_score_int: 4 X-Spam_score: 0.4 X-Spam_bar: / X-Spam_report: (0.4 / 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, SUSPICIOUS_RECIPS=2.51 autolearn=no 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 Use tcg_out_ld_helper_args, tcg_out_ld_helper_ret, and tcg_out_st_helper_args. Signed-off-by: Richard Henderson --- tcg/riscv/tcg-target.c.inc | 37 ++++++++++--------------------------- 1 file changed, 10 insertions(+), 27 deletions(-) diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index d4134bc86f..425ea8902e 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -994,14 +994,14 @@ static void add_qemu_ldst_label(TCGContext *s, int is_ld, MemOpIdx oi, label->label_ptr[0] = label_ptr[0]; } +/* We have three temps, we might as well expose them. */ +static const TCGLdstHelperParam ldst_helper_param = { + .ntmp = 3, .tmp = { TCG_REG_TMP0, TCG_REG_TMP1, TCG_REG_TMP2 } +}; + static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) { - MemOpIdx oi = l->oi; - MemOp opc = get_memop(oi); - TCGReg a0 = tcg_target_call_iarg_regs[0]; - TCGReg a1 = tcg_target_call_iarg_regs[1]; - TCGReg a2 = tcg_target_call_iarg_regs[2]; - TCGReg a3 = tcg_target_call_iarg_regs[3]; + MemOp opc = get_memop(l->oi); /* resolve label address */ if (!reloc_sbimm12(l->label_ptr[0], tcg_splitwx_to_rx(s->code_ptr))) { @@ -1009,13 +1009,9 @@ static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) } /* call load helper */ - tcg_out_mov(s, TCG_TYPE_PTR, a0, TCG_AREG0); - tcg_out_mov(s, TCG_TYPE_PTR, a1, l->addrlo_reg); - tcg_out_movi(s, TCG_TYPE_PTR, a2, oi); - tcg_out_movi(s, TCG_TYPE_PTR, a3, (tcg_target_long)l->raddr); - + tcg_out_ld_helper_args(s, l, &ldst_helper_param); tcg_out_call_int(s, qemu_ld_helpers[opc & MO_SSIZE], false); - tcg_out_mov(s, (opc & MO_SIZE) == MO_64, l->datalo_reg, a0); + tcg_out_ld_helper_ret(s, l, true, &ldst_helper_param); tcg_out_goto(s, l->raddr); return true; @@ -1023,14 +1019,7 @@ static bool tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l) static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) { - MemOpIdx oi = l->oi; - MemOp opc = get_memop(oi); - MemOp s_bits = opc & MO_SIZE; - TCGReg a0 = tcg_target_call_iarg_regs[0]; - TCGReg a1 = tcg_target_call_iarg_regs[1]; - TCGReg a2 = tcg_target_call_iarg_regs[2]; - TCGReg a3 = tcg_target_call_iarg_regs[3]; - TCGReg a4 = tcg_target_call_iarg_regs[4]; + MemOp opc = get_memop(l->oi); /* resolve label address */ if (!reloc_sbimm12(l->label_ptr[0], tcg_splitwx_to_rx(s->code_ptr))) { @@ -1038,13 +1027,7 @@ static bool tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l) } /* call store helper */ - tcg_out_mov(s, TCG_TYPE_PTR, a0, TCG_AREG0); - tcg_out_mov(s, TCG_TYPE_PTR, a1, l->addrlo_reg); - tcg_out_movext(s, s_bits == MO_64 ? TCG_TYPE_I64 : TCG_TYPE_I32, a2, - l->type, s_bits, l->datalo_reg); - tcg_out_movi(s, TCG_TYPE_PTR, a3, oi); - tcg_out_movi(s, TCG_TYPE_PTR, a4, (tcg_target_long)l->raddr); - + tcg_out_st_helper_args(s, l, &ldst_helper_param); tcg_out_call_int(s, qemu_st_helpers[opc & MO_SIZE], false); tcg_out_goto(s, l->raddr); -- 2.34.1