Commit: See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git gcc patch https://patchwork.sourceware.org/patch/138666 Author: Pengfei Li Date: Tue Jul 7 15:09:53 2026 +0000 [PATCH] match.pd: Eliminate dead operand in vector permute and insert patterns When shifting a vector by one element and then inserting a new element into the vacated lane, GIMPLE can contain a VEC_PERM_EXPR followed by a BIT_INSERT_EXPR. For example, the testcase in this patch has: ... 30 lines of the commit log omitted. ... applied on top of baseline commit: 94082ac189c x86: Implement TARGET_FNTYPE_ABI * tcwg_gcc_check ** master-arm *** no regression/no fix *** https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/7625f6999b1b33f2a81e62058c7d28a1f2927c8b/tcwg_gcc_check/master-arm/details.txt *** http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-precommit/builds/10804/archive/artifacts/ Latest data: https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/7625f6999b1b33f2a81e62058c7d28a1f2927c8b/jira/yaml