https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106928
Bug ID: 106928 Summary: 500.perlbench_r fail(VE) since r13-1933 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: guojiufu at gcc dot gnu.org Target Milestone: --- With the latest trunk, the 500.perlbench_r (-Ofast) from spec2017 encounter VE on power9 and power10 on no matter with or without -fno-unsafe-math-optimizations. With bisect, the commit may be r13-1933 (Implement basic range operators to enable floating point VRP). One compiling command: gcc -std=c99 -m64 -c -o reentr.o -DSPEC -DNDEBUG -DPERL_CORE -I. -Idist/IO -Icpan/Time-HiRes -Icpan/HTML-Parser -Iext/re -Ispecrand -DDOUBLE_SLASHES_SPECIAL=0 -DSPEC_AUTO_SUPPRESS_OPENMP -D_LARGE_FILES -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Ofast -fno-unsafe-math-optimizations -DSPEC_LINUX_PPC_LE -fno-strict-aliasing -fgnu89-inline -DSPEC_LP64 reentr.c In configure, I use: default=base: # flags for all base OPTIMIZE = -Ofast -fno-unsafe-math-optimizations FOPTIMIZE = -std=legacy intrate,intspeed=base: # flags for integer base EXTRA_COPTIMIZE = -fno-strict-aliasing -fgnu89-inline Log message: *** Miscompare of diffmail.4.800.10.17.19.300.out; for details see benchspec/CPU/500.perlbench_r/run/run_base_refrate_base_64.0000/diffmail.4.800.10.17.19.300.out.mis Error: 1x500.perlbench_r