https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80017
Bug ID: 80017 Summary: [5/6/7 Regression] ICE: Max. number of generated reload insns per insn is achieved (90) Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: ra Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: bernds at gcc dot gnu.org, vmakarov at gcc dot gnu.org Target Milestone: --- Host: x86_64-linux-gnu Target: x86_64-linux-gnu Build: x86_64-linux-gnu Starting from 4.9.0 we ICE on: $ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr37434-1.c -march=pentium -m32 -msse -c /home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr37434-1.c: In function ‘Set_AC4R_SETUP_I’: /home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr37434-1.c:12:1: internal compiler error: Max. number of generated reload insns per insn is achieved (90) } ^ 0xd18074 lra_constraints(bool) ../../gcc/lra-constraints.c:4678 0xd0278c lra(_IO_FILE*) ../../gcc/lra.c:2392 0xcac6b2 do_reload ../../gcc/ira.c:5451 0xcacb52 execute ../../gcc/ira.c:5635 and probably the same issue: $ cat ice.c void a () { short b; __attribute__ ((__vector_size__ (8 * sizeof (short)))) short c = {b}; } $ gcc ice.c -c -m32 -march=athlon-mp ice.c: In function ‘a’: ice.c:5:1: internal compiler error: Max. number of generated reload insns per insn is achieved (90) } ^ 0xd18074 lra_constraints(bool) ../../gcc/lra-constraints.c:4678 0xd0278c lra(_IO_FILE*) ../../gcc/lra.c:2392 0xcac6b2 do_reload ../../gcc/ira.c:5451 0xcacb52 execute ../../gcc/ira.c:5635