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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id ij23-20020a170902ab5700b001c582de968dsm10038433plb.72.2023.10.25.17.16.08 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Oct 2023 17:16:08 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 15/29] tcg/mips: Support TCG_COND_TST{EQ,NE} Date: Wed, 25 Oct 2023 17:14:09 -0700 Message-Id: <20231026001542.1141412-31-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231026001542.1141412-1-richard.henderson@linaro.org> References: <20231026001542.1141412-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62a.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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- tcg/mips/tcg-target.c.inc | 41 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tcg/mips/tcg-target.c.inc b/tcg/mips/tcg-target.c.inc index 328984ccff..739a0f60b7 100644 --- a/tcg/mips/tcg-target.c.inc +++ b/tcg/mips/tcg-target.c.inc @@ -909,6 +909,16 @@ static void tcg_out_setcond(TCGContext *s, TCGCond cond, TCGReg ret, tcg_out_opc_reg(s, OPC_SLTU, ret, TCG_REG_ZERO, arg1); break; + case TCG_COND_TSTEQ: + tcg_out_opc_reg(s, OPC_AND, ret, arg1, arg2); + tcg_out_opc_imm(s, OPC_SLTIU, ret, ret, 1); + break; + + case TCG_COND_TSTNE: + tcg_out_opc_reg(s, OPC_AND, ret, arg1, arg2); + tcg_out_opc_reg(s, OPC_SLTU, ret, TCG_REG_ZERO, ret); + break; + case TCG_COND_LT: case TCG_COND_GE: case TCG_COND_LE: @@ -989,6 +999,14 @@ static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, arg2 = TCG_REG_ZERO; break; + case TCG_COND_TSTEQ: + case TCG_COND_TSTNE: + tcg_out_opc_reg(s, OPC_AND, TCG_TMP0, arg1, arg2); + arg1 = TCG_TMP0; + arg2 = TCG_REG_ZERO; + b_opc = cond == TCG_COND_TSTEQ ? OPC_BEQ : OPC_BNE; + break; + default: g_assert_not_reached(); break; @@ -1052,6 +1070,14 @@ static void tcg_out_setcond2(TCGContext *s, TCGCond cond, TCGReg ret, tcg_out_setcond(s, cond, ret, tmp1, TCG_REG_ZERO); break; + case TCG_COND_TSTEQ: + case TCG_COND_TSTNE: + tcg_out_opc_reg(s, OPC_AND, TCG_TMP0, al, bl); + tcg_out_opc_reg(s, OPC_AND, TCG_TMP1, ah, bh); + tcg_out_opc_reg(s, OPC_OR, ret, TCG_TMP0, TCG_TMP1); + tcg_out_setcond(s, tcg_eqne_cond(cond), ret, tmp1, TCG_REG_ZERO); + break; + default: tcg_out_setcond(s, TCG_COND_EQ, tmp0, ah, bh); tcg_out_setcond(s, tcg_unsigned_cond(cond), tmp1, al, bl); @@ -1078,6 +1104,13 @@ static void tcg_out_brcond2(TCGContext *s, TCGCond cond, TCGReg al, TCGReg ah, tmp = tcg_out_reduce_eq2(s, TCG_TMP0, TCG_TMP1, al, ah, bl, bh); break; + case TCG_COND_TSTEQ: + case TCG_COND_TSTNE: + tcg_out_opc_reg(s, OPC_AND, TCG_TMP0, al, bl); + tcg_out_opc_reg(s, OPC_AND, TCG_TMP1, ah, bh); + tcg_out_opc_reg(s, OPC_OR, TCG_TMP1, TCG_TMP1, TCG_TMP0); + break; + default: /* Minimize code size by preferring a compare not requiring INV. */ if (mips_cmp_map[cond] & MIPS_CMP_INV) { @@ -1114,6 +1147,14 @@ static void tcg_out_movcond(TCGContext *s, TCGCond cond, TCGReg ret, } break; + case TCG_COND_TSTEQ: + eqz = true; + /* FALLTHRU */ + case TCG_COND_TSTNE: + tcg_out_opc_reg(s, OPC_AND, TCG_TMP0, c1, c2); + c1 = TCG_TMP0; + break; + default: /* Minimize code size by preferring a compare not requiring INV. */ if (mips_cmp_map[cond] & MIPS_CMP_INV) {