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From: "sripar01 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/94735] New: MVE vector load/store pair getting removed with -O2. Date: Thu, 23 Apr 2020 17:22:51 +0000 [thread overview] Message-ID: <bug-94735-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94735 Bug ID: 94735 Summary: MVE vector load/store pair getting removed with -O2. Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: sripar01 at gcc dot gnu.org Target Milestone: --- Created attachment 48362 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48362&action=edit test case $ arm-none-eabi-gcc -v Using built-in specs. COLLECT_GCC=arm-none-eabi-gcc COLLECT_LTO_WRAPPER=/media/sripar01/2tb_work/Release/build-arm-none-eabi/install/libexec/gcc/arm-none-eabi/10.0.1/lto-wrapper Target: arm-none-eabi Configured with: /media/sripar01/2tb_work/Release/src/gcc/configure --target=arm-none-eabi --prefix=/media/sripar01/2tb_work/Release/build-arm-none-eabi/install// --with-gmp=/media/sripar01/2tb_work/Release/build-arm-none-eabi/host-tools --with-mpfr=/media/sripar01/2tb_work/Release/build-arm-none-eabi/host-tools --with-mpc=/media/sripar01/2tb_work/Release/build-arm-none-eabi/host-tools --with-isl=/media/sripar01/2tb_work/Release/build-arm-none-eabi/host-tools --disable-shared --disable-nls --disable-threads --disable-tls --enable-checking=yes --enable-languages=c --without-cloog --without-isl --with-newlib --without-headers --with-multilib-list=rmprofile --with-pkgversion=unknown Thread model: single Supported LTO compression algorithms: zlib gcc version 10.0.1 20200423 (experimental) (unknown) $ arm-none-eabi-gcc mve_vstore.i -S -O2 -march=armv8.1-m.main+mve -mfloat-abi=hard On compiling attached test case (mve_vstore.i) with -02 optimizes out a pair of vector load/store statements.
next reply other threads:[~2020-04-23 17:22 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-23 17:22 sripar01 at gcc dot gnu.org [this message] 2020-04-23 17:24 ` [Bug c/94735] " sripar01 at gcc dot gnu.org 2020-06-04 14:55 ` [Bug target/94735] " cvs-commit at gcc dot gnu.org 2020-06-16 13:54 ` cvs-commit at gcc dot gnu.org 2020-06-18 11:08 ` sripar01 at gcc dot gnu.org
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