| Summary: | ICE in extract_insn, at recog.c:2311 on ppc64le with -mno-cmpb | ||
|---|---|---|---|
| Product: | gcc | Reporter: | Martin Liška <marxin> |
| Component: | target | Assignee: | Pat Haugen <pthaugen> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | bill.schmidt, meissner, pthaugen |
| Priority: | P3 | Keywords: | ice-on-valid-code |
| Version: | 7.0 | ||
| Target Milestone: | --- | ||
| Host: | x86_64-linux-gnu | Target: | ppc64le-linux-gnu |
| Build: | Known to work: | ||
| Known to fail: | 5.4.0, 6.3.0, 7.0 | Last reconfirmed: | 2017-03-14 00:00:00 |
Confirmed.
Reduced testcase.
// gcc -S -mno-cmpb test.c
float
testf (float x, float y)
{
return __builtin_copysignf (x, y);
}
Author: pthaugen Date: Fri Mar 17 16:42:29 2017 New Revision: 246228 URL: https://gcc.gnu.org/viewcvs?rev=246228&root=gcc&view=rev Log: PR target/79951 * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test for VECTOR_UNIT_VSX_P (<MODE>mode) too. * gcc.target/powerpc/pr79951.c: New. Added: trunk/gcc/testsuite/gcc.target/powerpc/pr79951.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/rs6000/rs6000.md trunk/gcc/testsuite/ChangeLog Author: pthaugen Date: Tue Mar 21 16:32:46 2017 New Revision: 246327 URL: https://gcc.gnu.org/viewcvs?rev=246327&root=gcc&view=rev Log: PR target/79951 * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test for VECTOR_UNIT_VSX_P (<MODE>mode) too. * gcc.target/powerpc/pr79951.c: New. Added: branches/gcc-6-branch/gcc/testsuite/gcc.target/powerpc/pr79951.c Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/config/rs6000/rs6000.md branches/gcc-6-branch/gcc/testsuite/ChangeLog Author: pthaugen Date: Tue Mar 21 16:36:39 2017 New Revision: 246328 URL: https://gcc.gnu.org/viewcvs?rev=246328&root=gcc&view=rev Log: PR target/79951 * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test for VECTOR_UNIT_VSX_P (<MODE>mode) too. * gcc.target/powerpc/pr79951.c: New. Added: branches/gcc-5-branch/gcc/testsuite/gcc.target/powerpc/pr79951.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/config/rs6000/rs6000.md branches/gcc-5-branch/gcc/testsuite/ChangeLog Fixed. |
Following test-case ICE with cross compiler (on x86_64-linux-gnu): $ ppc64le-linux-gnu-gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/backprop-5.c -mno-cmpb /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/backprop-5.c: In function ‘testf’: /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/backprop-5.c:16:1: error: unrecognizable insn: TEST_FUNCTION (float, f) ^~~~~~~~~~~~~ (insn 13 12 14 2 (set (reg:SF 164) (unspec:SF [ (reg:SF 165) (reg:SF 166) ] UNSPEC_COPYSIGN)) "/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/backprop-5.c":16 -1 (nil)) /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/tree-ssa/backprop-5.c:16:1: internal compiler error: in extract_insn, at recog.c:2311 0xb08718 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) .././../gcc/rtl-error.c:108 0xb08749 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) .././../gcc/rtl-error.c:116 0xada041 extract_insn(rtx_insn*) .././../gcc/recog.c:2311 0x89dad3 instantiate_virtual_regs_in_insn .././../gcc/function.c:1589 0x89dad3 instantiate_virtual_regs .././../gcc/function.c:1957 0x89dad3 execute .././../gcc/function.c:2006