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X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="373277809" X-IronPort-AV: E=Sophos;i="6.04,251,1695711600"; d="scan'208";a="373277809" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2023 18:29:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10914"; a="841275534" X-IronPort-AV: E=Sophos;i="6.04,251,1695711600"; d="scan'208";a="841275534" Received: from shvmail03.sh.intel.com ([10.239.245.20]) by fmsmga004.fm.intel.com with ESMTP; 04 Dec 2023 18:29:51 -0800 Received: from shliclel4217.sh.intel.com (shliclel4217.sh.intel.com [10.239.240.127]) by shvmail03.sh.intel.com (Postfix) with ESMTP id 424BE100568C; Tue, 5 Dec 2023 10:29:48 +0800 (CST) From: Hongyu Wang To: gcc-patches@gcc.gnu.org Cc: ubizjak@gmail.com, hongtao.liu@intel.com, Kong Lingling Subject: [PATCH 05/17] [APX NDD] Support APX NDD for adc insns Date: Tue, 5 Dec 2023 10:29:36 +0800 Message-Id: <20231205022948.504790-6-hongyu.wang@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20231205022948.504790-1-hongyu.wang@intel.com> References: <20231205022948.504790-1-hongyu.wang@intel.com> MIME-Version: 1.0 Received-SPF: softfail client-ip=192.55.52.136; envelope-from=wwwhhhyyy333@gmail.com; helo=mgamail.intel.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Status: No, score=-10.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, GIT_PATCH_0, HEADER_FROM_DIFFERENT_DOMAINS, KAM_SHORT, SPF_HELO_PASS, SPF_SOFTFAIL, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org From: Kong Lingling Legacy adc patterns are commonly adopted to TImode add, when extending TImode add to NDD version, operands[0] and operands[1] can be different, so extra move should be emitted if those patterns have optimization when adding const0_rtx. NDD instructions will automatically zero-extend dest register to 64bit, so for zext patterns it can adopt all NDD form that have memory src input. gcc/ChangeLog: * config/i386/i386.md (*add3_doubleword): Add ndd constraints, and move operands[1] to operands[0] when they are not equal. (*add3_doubleword_cc_overflow_1): Likewise. (*add3_doubleword_zext): Add ndd constraints. (*addv4_doubleword): Likewise. (*addv4_doubleword_1): Likewise. (addv4_overflow_1): Likewise. (*addv4_overflow_2): Likewise. (@add3_carry): Likewise. (*add3_carry_0): Likewise. (*addsi3_carry_zext): Likewise. (addcarry): Likewise. (addcarry_0): Likewise. (*addcarry_1): Likewise. (*add3_eq): Likewise. (*add3_ne): Likewise. (*addsi3_carry_zext_0): Likewise, and use nonimmediate_operand for operands[1] to accept memory input for NDD alternative. gcc/testsuite/ChangeLog: * gcc.target/i386/apx-ndd-adc.c: New test. --- gcc/config/i386/i386.md | 191 ++++++++++++-------- gcc/testsuite/gcc.target/i386/apx-ndd-adc.c | 15 ++ 2 files changed, 134 insertions(+), 72 deletions(-) create mode 100644 gcc/testsuite/gcc.target/i386/apx-ndd-adc.c diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 6b316e698bb..358a3857f89 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -6291,12 +6291,12 @@ (define_expand "add3" TARGET_APX_NDD); DONE;") (define_insn_and_split "*add3_doubleword" - [(set (match_operand: 0 "nonimmediate_operand" "=ro,r") + [(set (match_operand: 0 "nonimmediate_operand" "=ro,r,r,r") (plus: - (match_operand: 1 "nonimmediate_operand" "%0,0") - (match_operand: 2 "x86_64_hilo_general_operand" "r,o"))) + (match_operand: 1 "nonimmediate_operand" "%0,0,ro,r") + (match_operand: 2 "x86_64_hilo_general_operand" "r,o,r,r"))) (clobber (reg:CC FLAGS_REG))] - "ix86_binary_operator_ok (PLUS, mode, operands)" + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD)" "#" "&& reload_completed" [(parallel [(set (reg:CCC FLAGS_REG) @@ -6316,24 +6316,34 @@ (define_insn_and_split "*add3_doubleword" split_double_mode (mode, &operands[0], 3, &operands[0], &operands[3]); if (operands[2] == const0_rtx) { + /* Under NDD op0 and op1 may not equal, do not delete insn then. */ + bool emit_insn_deleted_note_p = true; + if (!rtx_equal_p (operands[0], operands[1])) + { + emit_move_insn (operands[0], operands[1]); + emit_insn_deleted_note_p = false; + } if (operands[5] != const0_rtx) - ix86_expand_binary_operator (PLUS, mode, &operands[3]); + ix86_expand_binary_operator (PLUS, mode, &operands[3], + TARGET_APX_NDD); else if (!rtx_equal_p (operands[3], operands[4])) emit_move_insn (operands[3], operands[4]); - else + else if (emit_insn_deleted_note_p) emit_note (NOTE_INSN_DELETED); DONE; } -}) +} +[(set_attr "isa" "*,*,apx_ndd,apx_ndd")]) (define_insn_and_split "*add3_doubleword_zext" - [(set (match_operand: 0 "nonimmediate_operand" "=r,o") + [(set (match_operand: 0 "nonimmediate_operand" "=r,o,r,r") (plus: (zero_extend: - (match_operand:DWIH 2 "nonimmediate_operand" "rm,r")) - (match_operand: 1 "nonimmediate_operand" "0,0"))) + (match_operand:DWIH 2 "nonimmediate_operand" "rm,r,rm,r")) + (match_operand: 1 "nonimmediate_operand" "0,0,r,m"))) (clobber (reg:CC FLAGS_REG))] - "ix86_binary_operator_ok (UNKNOWN, mode, operands)" + "ix86_binary_operator_ok (UNKNOWN, mode, operands, + TARGET_APX_NDD)" "#" "&& reload_completed" [(parallel [(set (reg:CCC FLAGS_REG) @@ -6349,7 +6359,8 @@ (define_insn_and_split "*add3_doubleword_zext" (match_dup 4)) (const_int 0))) (clobber (reg:CC FLAGS_REG))])] - "split_double_mode (mode, &operands[0], 2, &operands[0], &operands[3]);") + "split_double_mode (mode, &operands[0], 2, &operands[0], &operands[3]);" + [(set_attr "isa" "*,*,apx_ndd,apx_ndd")]) (define_insn_and_split "*add3_doubleword_concat" [(set (match_operand: 0 "register_operand" "=&r") @@ -7411,14 +7422,14 @@ (define_insn_and_split "*addv4_doubleword" (eq:CCO (plus: (sign_extend: - (match_operand: 1 "nonimmediate_operand" "%0,0")) + (match_operand: 1 "nonimmediate_operand" "%0,0,ro,r")) (sign_extend: - (match_operand: 2 "nonimmediate_operand" "r,o"))) + (match_operand: 2 "nonimmediate_operand" "r,o,r,o"))) (sign_extend: (plus: (match_dup 1) (match_dup 2))))) - (set (match_operand: 0 "nonimmediate_operand" "=ro,r") + (set (match_operand: 0 "nonimmediate_operand" "=ro,r,r,r") (plus: (match_dup 1) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands)" + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD)" "#" "&& reload_completed" [(parallel [(set (reg:CCC FLAGS_REG) @@ -7448,22 +7459,23 @@ (define_insn_and_split "*addv4_doubleword" (match_dup 5)))])] { split_double_mode (mode, &operands[0], 3, &operands[0], &operands[3]); -}) +} +[(set_attr "isa" "*,*,apx_ndd,apx_ndd")]) (define_insn_and_split "*addv4_doubleword_1" [(set (reg:CCO FLAGS_REG) (eq:CCO (plus: (sign_extend: - (match_operand: 1 "nonimmediate_operand" "%0")) - (match_operand: 3 "const_scalar_int_operand" "n")) + (match_operand: 1 "nonimmediate_operand" "%0,rm")) + (match_operand: 3 "const_scalar_int_operand" "n,n")) (sign_extend: (plus: (match_dup 1) - (match_operand: 2 "x86_64_hilo_general_operand" ""))))) - (set (match_operand: 0 "nonimmediate_operand" "=ro") + (match_operand: 2 "x86_64_hilo_general_operand" ","))))) + (set (match_operand: 0 "nonimmediate_operand" "=ro,r") (plus: (match_dup 1) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands) + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD) && CONST_SCALAR_INT_P (operands[2]) && rtx_equal_p (operands[2], operands[3])" "#" @@ -7501,7 +7513,8 @@ (define_insn_and_split "*addv4_doubleword_1" operands[5])); DONE; } -}) +} +[(set_attr "isa" "*,apx_ndd")]) (define_insn "*addv4_overflow_1" [(set (reg:CCO FLAGS_REG) @@ -7511,9 +7524,9 @@ (define_insn "*addv4_overflow_1" (match_operator: 4 "ix86_carry_flag_operator" [(match_operand 3 "flags_reg_operand") (const_int 0)]) (sign_extend: - (match_operand:SWI 1 "nonimmediate_operand" "%0,0"))) + (match_operand:SWI 1 "nonimmediate_operand" "%0,0,rm,r"))) (sign_extend: - (match_operand:SWI 2 "" "rWe,m"))) + (match_operand:SWI 2 "" "rWe,m,rWe,m"))) (sign_extend: (plus:SWI (plus:SWI @@ -7521,15 +7534,20 @@ (define_insn "*addv4_overflow_1" [(match_dup 3) (const_int 0)]) (match_dup 1)) (match_dup 2))))) - (set (match_operand:SWI 0 "nonimmediate_operand" "=rm,r") + (set (match_operand:SWI 0 "nonimmediate_operand" "=rm,r,r,r") (plus:SWI (plus:SWI (match_op_dup 5 [(match_dup 3) (const_int 0)]) (match_dup 1)) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands)" - "adc{}\t{%2, %0|%0, %2}" - [(set_attr "type" "alu") + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD)" + "@ + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %1, %0|%0, %1, %2} + adc{}\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "isa" "*,*,apx_ndd,apx_ndd") + (set_attr "type" "alu") (set_attr "mode" "")]) (define_insn "*addv4_overflow_2" @@ -7540,26 +7558,29 @@ (define_insn "*addv4_overflow_2" (match_operator: 4 "ix86_carry_flag_operator" [(match_operand 3 "flags_reg_operand") (const_int 0)]) (sign_extend: - (match_operand:SWI 1 "nonimmediate_operand" "%0"))) - (match_operand: 6 "const_int_operand" "n")) + (match_operand:SWI 1 "nonimmediate_operand" "%0,rm"))) + (match_operand: 6 "const_int_operand" "n,n")) (sign_extend: (plus:SWI (plus:SWI (match_operator:SWI 5 "ix86_carry_flag_operator" [(match_dup 3) (const_int 0)]) (match_dup 1)) - (match_operand:SWI 2 "x86_64_immediate_operand" "e"))))) - (set (match_operand:SWI 0 "nonimmediate_operand" "=rm") + (match_operand:SWI 2 "x86_64_immediate_operand" "e,e"))))) + (set (match_operand:SWI 0 "nonimmediate_operand" "=rm,r") (plus:SWI (plus:SWI (match_op_dup 5 [(match_dup 3) (const_int 0)]) (match_dup 1)) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands) + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD) && CONST_INT_P (operands[2]) && INTVAL (operands[2]) == INTVAL (operands[6])" - "adc{}\t{%2, %0|%0, %2}" - [(set_attr "type" "alu") + "@ + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "isa" "*,apx_ndd") + (set_attr "type" "alu") (set_attr "mode" "") (set (attr "length_immediate") (if_then_else (match_test "IN_RANGE (INTVAL (operands[2]), -128, 127)") @@ -8381,17 +8402,22 @@ (define_insn "*subsi_3_zext" ;; Add with carry and subtract with borrow (define_insn "@add3_carry" - [(set (match_operand:SWI 0 "nonimmediate_operand" "=m,") + [(set (match_operand:SWI 0 "nonimmediate_operand" "=m,,r,r") (plus:SWI (plus:SWI (match_operator:SWI 4 "ix86_carry_flag_operator" [(match_operand 3 "flags_reg_operand") (const_int 0)]) - (match_operand:SWI 1 "nonimmediate_operand" "%0,0")) - (match_operand:SWI 2 "" ","))) + (match_operand:SWI 1 "nonimmediate_operand" "%0,0,rm,r")) + (match_operand:SWI 2 "" ",,r,"))) (clobber (reg:CC FLAGS_REG))] - "ix86_binary_operator_ok (PLUS, mode, operands)" - "adc{}\t{%2, %0|%0, %2}" - [(set_attr "type" "alu") + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD)" + "@ + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %1, %0|%0, %1, %2} + adc{}\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "isa" "*,*,apx_ndd,apx_ndd") + (set_attr "type" "alu") (set_attr "use_carry" "1") (set_attr "pent_pair" "pu") (set_attr "mode" "")]) @@ -8478,31 +8504,39 @@ (define_insn "*add3_carry_0r" (set_attr "mode" "")]) (define_insn "*addsi3_carry_zext" - [(set (match_operand:DI 0 "register_operand" "=r") + [(set (match_operand:DI 0 "register_operand" "=r,r,r") (zero_extend:DI (plus:SI (plus:SI (match_operator:SI 3 "ix86_carry_flag_operator" [(reg FLAGS_REG) (const_int 0)]) - (match_operand:SI 1 "register_operand" "%0")) - (match_operand:SI 2 "x86_64_general_operand" "rBMe")))) + (match_operand:SI 1 "nonimmediate_operand" "%0,r,rm")) + (match_operand:SI 2 "x86_64_general_operand" "rBMe,rBMe,re")))) (clobber (reg:CC FLAGS_REG))] - "TARGET_64BIT && ix86_binary_operator_ok (PLUS, SImode, operands)" - "adc{l}\t{%2, %k0|%k0, %2}" - [(set_attr "type" "alu") + "TARGET_64BIT && ix86_binary_operator_ok (PLUS, SImode, operands, + TARGET_APX_NDD)" + "@ + adc{l}\t{%2, %k0|%k0, %2} + adc{l}\t{%2, %1, %k0|%k0, %1, %2} + adc{l}\t{%2, %1, %k0|%k0, %1, %2}" + [(set_attr "isa" "*,apx_ndd,apx_ndd") + (set_attr "type" "alu") (set_attr "use_carry" "1") (set_attr "pent_pair" "pu") (set_attr "mode" "SI")]) (define_insn "*addsi3_carry_zext_0" - [(set (match_operand:DI 0 "register_operand" "=r") + [(set (match_operand:DI 0 "register_operand" "=r,r") (zero_extend:DI (plus:SI (match_operator:SI 2 "ix86_carry_flag_operator" [(reg FLAGS_REG) (const_int 0)]) - (match_operand:SI 1 "register_operand" "0")))) + (match_operand:SI 1 "nonimmediate_operand" "0,rm")))) (clobber (reg:CC FLAGS_REG))] "TARGET_64BIT" - "adc{l}\t{$0, %k0|%k0, 0}" - [(set_attr "type" "alu") + "@ + adc{l}\t{$0, %k0|%k0, 0} + adc{l}\t{$0, %1, %k0|%k0, %1, 0}" + [(set_attr "isa" "*,apx_ndd") + (set_attr "type" "alu") (set_attr "use_carry" "1") (set_attr "pent_pair" "pu") (set_attr "mode" "SI")]) @@ -8531,20 +8565,25 @@ (define_insn "addcarry" (plus:SWI48 (match_operator:SWI48 5 "ix86_carry_flag_operator" [(match_operand 3 "flags_reg_operand") (const_int 0)]) - (match_operand:SWI48 1 "nonimmediate_operand" "%0,0")) - (match_operand:SWI48 2 "nonimmediate_operand" "r,rm"))) + (match_operand:SWI48 1 "nonimmediate_operand" "%0,0,rm,r")) + (match_operand:SWI48 2 "nonimmediate_operand" "r,rm,r,m"))) (plus: (zero_extend: (match_dup 2)) (match_operator: 4 "ix86_carry_flag_operator" [(match_dup 3) (const_int 0)])))) - (set (match_operand:SWI48 0 "nonimmediate_operand" "=rm,r") + (set (match_operand:SWI48 0 "nonimmediate_operand" "=rm,r,r,r") (plus:SWI48 (plus:SWI48 (match_op_dup 5 [(match_dup 3) (const_int 0)]) (match_dup 1)) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands)" - "adc{}\t{%2, %0|%0, %2}" - [(set_attr "type" "alu") + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD)" + "@ + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %1, %0|%0, %1, %2} + adc{}\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "isa" "*,*,apx_ndd,apx_ndd") + (set_attr "type" "alu") (set_attr "use_carry" "1") (set_attr "pent_pair" "pu") (set_attr "mode" "")]) @@ -8702,7 +8741,8 @@ (define_expand "addcarry_0" (match_dup 1))) (set (match_operand:SWI48 0 "nonimmediate_operand") (plus:SWI48 (match_dup 1) (match_dup 2)))])] - "ix86_binary_operator_ok (PLUS, mode, operands)") + "ix86_binary_operator_ok (PLUS, mode, operands, + TARGET_APX_NDD)") (define_insn "*addcarry_1" [(set (reg:CCC FLAGS_REG) @@ -8712,18 +8752,18 @@ (define_insn "*addcarry_1" (plus:SWI48 (match_operator:SWI48 5 "ix86_carry_flag_operator" [(match_operand 3 "flags_reg_operand") (const_int 0)]) - (match_operand:SWI48 1 "nonimmediate_operand" "%0")) - (match_operand:SWI48 2 "x86_64_immediate_operand" "e"))) + (match_operand:SWI48 1 "nonimmediate_operand" "%0,rm")) + (match_operand:SWI48 2 "x86_64_immediate_operand" "e,e"))) (plus: (match_operand: 6 "const_scalar_int_operand") (match_operator: 4 "ix86_carry_flag_operator" [(match_dup 3) (const_int 0)])))) - (set (match_operand:SWI48 0 "nonimmediate_operand" "=rm") + (set (match_operand:SWI48 0 "nonimmediate_operand" "=rm,r") (plus:SWI48 (plus:SWI48 (match_op_dup 5 [(match_dup 3) (const_int 0)]) (match_dup 1)) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands) + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD) && CONST_INT_P (operands[2]) /* Check that operands[6] is operands[2] zero extended from mode to mode. */ @@ -8736,8 +8776,11 @@ (define_insn "*addcarry_1" && ((unsigned HOST_WIDE_INT) CONST_WIDE_INT_ELT (operands[6], 0) == UINTVAL (operands[2])) && CONST_WIDE_INT_ELT (operands[6], 1) == 0))" - "adc{}\t{%2, %0|%0, %2}" - [(set_attr "type" "alu") + "@ + adc{}\t{%2, %0|%0, %2} + adc{}\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "isa" "*,apx_ndd") + (set_attr "type" "alu") (set_attr "use_carry" "1") (set_attr "pent_pair" "pu") (set_attr "mode" "") @@ -9385,12 +9428,12 @@ (define_insn_and_split "*add3_doubleword_cc_overflow_1" [(set (reg:CCC FLAGS_REG) (compare:CCC (plus: - (match_operand: 1 "nonimmediate_operand" "%0,0") - (match_operand: 2 "x86_64_hilo_general_operand" "r,o")) + (match_operand: 1 "nonimmediate_operand" "%0,0,ro,r") + (match_operand: 2 "x86_64_hilo_general_operand" "r,o,r,o")) (match_dup 1))) - (set (match_operand: 0 "nonimmediate_operand" "=ro,r") + (set (match_operand: 0 "nonimmediate_operand" "=ro,r,r,r") (plus: (match_dup 1) (match_dup 2)))] - "ix86_binary_operator_ok (PLUS, mode, operands)" + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD)" "#" "&& reload_completed" [(parallel [(set (reg:CCC FLAGS_REG) @@ -9419,6 +9462,8 @@ (define_insn_and_split "*add3_doubleword_cc_overflow_1" split_double_mode (mode, &operands[0], 3, &operands[0], &operands[3]); if (operands[2] == const0_rtx) { + if (!rtx_equal_p (operands[0], operands[1])) + emit_move_insn (operands[0], operands[1]); emit_insn (gen_addcarry_0 (operands[3], operands[4], operands[5])); DONE; } @@ -9427,7 +9472,8 @@ (define_insn_and_split "*add3_doubleword_cc_overflow_1" operands[5], mode); else operands[6] = gen_rtx_ZERO_EXTEND (mode, operands[5]); -}) +} +[(set_attr "isa" "*,*,apx_ndd,apx_ndd")]) ;; x == 0 with zero flag test can be done also as x < 1U with carry flag ;; test, where the latter is preferrable if we have some carry consuming @@ -9442,7 +9488,7 @@ (define_insn_and_split "*add3_eq" (match_operand:SWI 1 "nonimmediate_operand")) (match_operand:SWI 2 ""))) (clobber (reg:CC FLAGS_REG))] - "ix86_binary_operator_ok (PLUS, mode, operands) + "ix86_binary_operator_ok (PLUS, mode, operands, TARGET_APX_NDD) && ix86_pre_reload_split ()" "#" "&& 1" @@ -9466,7 +9512,8 @@ (define_insn_and_split "*add3_ne" "CONST_INT_P (operands[2]) && (mode != DImode || INTVAL (operands[2]) != HOST_WIDE_INT_C (-0x80000000)) - && ix86_binary_operator_ok (PLUS, mode, operands) + && ix86_binary_operator_ok (PLUS, mode, operands, + TARGET_APX_NDD) && ix86_pre_reload_split ()" "#" "&& 1" diff --git a/gcc/testsuite/gcc.target/i386/apx-ndd-adc.c b/gcc/testsuite/gcc.target/i386/apx-ndd-adc.c new file mode 100644 index 00000000000..9d5991457da --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/apx-ndd-adc.c @@ -0,0 +1,15 @@ +/* { dg-do compile { target { int128 && { ! ia32 } } } } */ +/* { dg-options "-mapxf -O2" } */ + +#include "pr91681-1.c" +// *addti3_doubleword +// *addti3_doubleword_zext +// *adddi3_cc_overflow_1 +// *adddi3_carry + +int foo3 (int *a, int b) +{ + int c = *a + b + (a > b); /* { dg-warning "comparison between pointer and integer" } */ + return c; +} +/* { dg-final { scan-assembler-not "xor" } } */