https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85126
Bug ID: 85126 Summary: [8 regression] gcc.target/powerpc/pr69946.c fails on powerpc64 BE starting with r254213 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- The rlwinm the test case is expecting is no longer generated. spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc -B/home/seurer/gcc/build/gcc-test2/gcc/ /home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.target/powerpc/pr69946.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -ffat-lto-objects -S -o pr69946.s PASS: gcc.target/powerpc/pr69946.c (test for excess errors) PASS: gcc.target/powerpc/pr69946.c scan-assembler-not (?n)rlwinm.*,44,20,23 FAIL: gcc.target/powerpc/pr69946.c scan-assembler-times (?n)rlwinm.*,12,20,23 1 (found 0 times) === gcc Summary === # of expected passes 2 # of unexpected failures 1 < .ident "GCC: (GNU) 8.0.0 20171030 (experimental) [trunk revision 254212]" --- > .ident "GCC: (GNU) 8.0.0 20171030 (experimental) [trunk revision > 254213]" 18,19c18,20 < addis 9,2,.LC0@toc@ha # gpr load fusion, type long < ld 9,.LC0@toc@l(9) --- > addis 10,2,.LC0@toc@ha # gpr load fusion, type long > ld 10,.LC0@toc@l(10) > li 9,-1 22,26c23,28 < ld 9,0(9) < lwz 3,0(9) < rlwinm 3,3,12,20,23 < ori 3,3,0x11 < rotldi 3,3,52 --- > ld 10,0(10) > lwz 3,0(10) > rldicr 3,3,32,3 > rldicl 3,3,1,2 > rldicr 3,3,63,3 > rldimi 3,9,52,11