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Rozycki" , gcc-patches@gcc.gnu.org Cc: Andrew Waterman , Jim Wilson , Kito Cheng , Palmer Dabbelt References: From: Jeff Law In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,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 List-Id: On 11/18/23 22:43, Maciej W. Rozycki wrote: > Verify, for generic floating-point conditional-add operations that have > a corresponding conditional-set machine instruction, that if-conversion > triggers via `noce_try_addcc' at `-mbranch-cost=3' setting, which makes > branchless code sequences emitted by if-conversion cheaper than their > original branched equivalents, and that extraneous instructions such as > SNEZ, etc. are not present in output. > > The reason to XFAIL SImode tests for RV64 targets is the compiler thinks > it has to sign-extend addends, which causes if-conversion to give up. > > gcc/testsuite/ > * gcc.target/riscv/adddifeq.c: New test. > * gcc.target/riscv/adddifge.c: New test. > * gcc.target/riscv/adddifgt.c: New test. > * gcc.target/riscv/adddifle.c: New test. > * gcc.target/riscv/adddiflt.c: New test. > * gcc.target/riscv/addsifeq.c: New test. > * gcc.target/riscv/addsifge.c: New test. > * gcc.target/riscv/addsifgt.c: New test. > * gcc.target/riscv/addsifle.c: New test. > * gcc.target/riscv/addsiflt.c: New test. OK jeff