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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Jun 2021 06:53:01 -0000 Hi, Indeed, the split condition needs to be populated. However, I doubt that th= e pattern in question is used by the compiler. Do you have an example where= it is exercised? Thanks, Claudiu ________________________________ From: Kewen Lin Sent: Wednesday, June 2, 2021 8:04 AM To: gcc-patches@gcc.gnu.org Cc: Kewen Lin ; gnu@amylaar.uk ; Claud= iu Zissulescu ; andrew.burgess@embecosm.com Subject: [PATCH 02/11] arc: Update unexpected empty split condition gcc/ChangeLog: * config/arc/arc.md (*bbit_di): Fix empty split condition. --- gcc/config/arc/arc.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md index 7a52551eef5..a03840c4c36 100644 --- a/gcc/config/arc/arc.md +++ b/gcc/config/arc/arc.md @@ -5020,7 +5020,7 @@ (define_insn_and_split "*bbit_di" (clobber (reg:CC_ZN CC_REG))] "!CROSSING_JUMP_P (insn)" "#" - "" + "&& 1" [(parallel [(set (pc) (if_then_else (match_dup 3) (label_ref (match_dup 0)) (pc)= )) (clobber (reg:CC_ZN CC_REG))])] -- 2.17.1