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([2806:102e:18:2efc:7b4f:f28b:eca6:b583]) by smtp.gmail.com with ESMTPSA id q24-20020a056830233800b006708d2cd8bcsm938140otg.65.2022.12.11.07.28.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Dec 2022 07:28:06 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 02/27] target/s390x: Use tcg_constant_* for DisasCompare Date: Sun, 11 Dec 2022 09:27:37 -0600 Message-Id: <20221211152802.923900-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221211152802.923900-1-richard.henderson@linaro.org> References: <20221211152802.923900-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::22e; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x22e.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 The a and b fields are not modified by the consumer, and while we need not free a constant, tcg will quietly ignore such frees, so free_compare need not be changed. Reviewed-by: Ilya Leoshkevich Signed-off-by: Richard Henderson --- target/s390x/tcg/translate.c | 44 ++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 4fb396b557..77919295d3 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -830,7 +830,7 @@ static void disas_jcc(DisasContext *s, DisasCompare *c, uint32_t mask) c->is_64 = false; c->u.s32.a = tcg_temp_new_i32(); tcg_gen_extrl_i64_i32(c->u.s32.a, cc_dst); - c->u.s32.b = tcg_const_i32(0); + c->u.s32.b = tcg_constant_i32(0); break; case CC_OP_LTGT_32: case CC_OP_LTUGTU_32: @@ -845,7 +845,7 @@ static void disas_jcc(DisasContext *s, DisasCompare *c, uint32_t mask) case CC_OP_NZ: case CC_OP_FLOGR: c->u.s64.a = cc_dst; - c->u.s64.b = tcg_const_i64(0); + c->u.s64.b = tcg_constant_i64(0); c->g1 = true; break; case CC_OP_LTGT_64: @@ -859,14 +859,14 @@ static void disas_jcc(DisasContext *s, DisasCompare *c, uint32_t mask) case CC_OP_TM_64: case CC_OP_ICM: c->u.s64.a = tcg_temp_new_i64(); - c->u.s64.b = tcg_const_i64(0); + c->u.s64.b = tcg_constant_i64(0); tcg_gen_and_i64(c->u.s64.a, cc_src, cc_dst); break; case CC_OP_ADDU: case CC_OP_SUBU: c->is_64 = true; - c->u.s64.b = tcg_const_i64(0); + c->u.s64.b = tcg_constant_i64(0); c->g1 = true; switch (mask) { case 8 | 2: @@ -889,65 +889,65 @@ static void disas_jcc(DisasContext *s, DisasCompare *c, uint32_t mask) switch (mask) { case 0x8 | 0x4 | 0x2: /* cc != 3 */ cond = TCG_COND_NE; - c->u.s32.b = tcg_const_i32(3); + c->u.s32.b = tcg_constant_i32(3); break; case 0x8 | 0x4 | 0x1: /* cc != 2 */ cond = TCG_COND_NE; - c->u.s32.b = tcg_const_i32(2); + c->u.s32.b = tcg_constant_i32(2); break; case 0x8 | 0x2 | 0x1: /* cc != 1 */ cond = TCG_COND_NE; - c->u.s32.b = tcg_const_i32(1); + c->u.s32.b = tcg_constant_i32(1); break; case 0x8 | 0x2: /* cc == 0 || cc == 2 => (cc & 1) == 0 */ cond = TCG_COND_EQ; c->g1 = false; c->u.s32.a = tcg_temp_new_i32(); - c->u.s32.b = tcg_const_i32(0); + c->u.s32.b = tcg_constant_i32(0); tcg_gen_andi_i32(c->u.s32.a, cc_op, 1); break; case 0x8 | 0x4: /* cc < 2 */ cond = TCG_COND_LTU; - c->u.s32.b = tcg_const_i32(2); + c->u.s32.b = tcg_constant_i32(2); break; case 0x8: /* cc == 0 */ cond = TCG_COND_EQ; - c->u.s32.b = tcg_const_i32(0); + c->u.s32.b = tcg_constant_i32(0); break; case 0x4 | 0x2 | 0x1: /* cc != 0 */ cond = TCG_COND_NE; - c->u.s32.b = tcg_const_i32(0); + c->u.s32.b = tcg_constant_i32(0); break; case 0x4 | 0x1: /* cc == 1 || cc == 3 => (cc & 1) != 0 */ cond = TCG_COND_NE; c->g1 = false; c->u.s32.a = tcg_temp_new_i32(); - c->u.s32.b = tcg_const_i32(0); + c->u.s32.b = tcg_constant_i32(0); tcg_gen_andi_i32(c->u.s32.a, cc_op, 1); break; case 0x4: /* cc == 1 */ cond = TCG_COND_EQ; - c->u.s32.b = tcg_const_i32(1); + c->u.s32.b = tcg_constant_i32(1); break; case 0x2 | 0x1: /* cc > 1 */ cond = TCG_COND_GTU; - c->u.s32.b = tcg_const_i32(1); + c->u.s32.b = tcg_constant_i32(1); break; case 0x2: /* cc == 2 */ cond = TCG_COND_EQ; - c->u.s32.b = tcg_const_i32(2); + c->u.s32.b = tcg_constant_i32(2); break; case 0x1: /* cc == 3 */ cond = TCG_COND_EQ; - c->u.s32.b = tcg_const_i32(3); + c->u.s32.b = tcg_constant_i32(3); break; default: /* CC is masked by something else: (8 >> cc) & mask. */ cond = TCG_COND_NE; c->g1 = false; - c->u.s32.a = tcg_const_i32(8); - c->u.s32.b = tcg_const_i32(0); - tcg_gen_shr_i32(c->u.s32.a, c->u.s32.a, cc_op); + c->u.s32.a = tcg_temp_new_i32(); + c->u.s32.b = tcg_constant_i32(0); + tcg_gen_shr_i32(c->u.s32.a, tcg_constant_i32(8), cc_op); tcg_gen_andi_i32(c->u.s32.a, c->u.s32.a, mask); break; } @@ -1604,7 +1604,7 @@ static DisasJumpType op_bct32(DisasContext *s, DisasOps *o) tcg_gen_subi_i64(t, regs[r1], 1); store_reg32_i64(r1, t); c.u.s32.a = tcg_temp_new_i32(); - c.u.s32.b = tcg_const_i32(0); + c.u.s32.b = tcg_constant_i32(0); tcg_gen_extrl_i64_i32(c.u.s32.a, t); tcg_temp_free_i64(t); @@ -1628,7 +1628,7 @@ static DisasJumpType op_bcth(DisasContext *s, DisasOps *o) tcg_gen_subi_i64(t, t, 1); store_reg32h_i64(r1, t); c.u.s32.a = tcg_temp_new_i32(); - c.u.s32.b = tcg_const_i32(0); + c.u.s32.b = tcg_constant_i32(0); tcg_gen_extrl_i64_i32(c.u.s32.a, t); tcg_temp_free_i64(t); @@ -1649,7 +1649,7 @@ static DisasJumpType op_bct64(DisasContext *s, DisasOps *o) tcg_gen_subi_i64(regs[r1], regs[r1], 1); c.u.s64.a = regs[r1]; - c.u.s64.b = tcg_const_i64(0); + c.u.s64.b = tcg_constant_i64(0); return help_branch(s, &c, is_imm, imm, o->in2); } -- 2.34.1