This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/81375] New: [6/7/8 Regression] unrecognizable insn
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 10 Jul 2017 08:09:03 +0000
- Subject: [Bug target/81375] New: [6/7/8 Regression] unrecognizable insn
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81375
Bug ID: 81375
Summary: [6/7/8 Regression] unrecognizable insn
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: hjl at gnu dot org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: x86_64-linux-gnu
Build: x86_64-linux-gnu
It's a crappy scenario, but still it ICEs:
gfortran
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90
-march=lakemont -mfpmath=387+sse -m32
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90:60:0:
return
Error: unrecognizable insn:
(insn 78 77 79 6 (set (reg:SF 102 [ _16 ])
(div:SF (reg:SF 218)
(reg:SF 101 [ _15 ])))
"/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90":31
-1
(nil))
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/vect/fast-math-vect-8.f90:60:0:
internal compiler error: in extract_insn, at recog.c:2311
Started with r229082, before that we did:
f951: Error: bad value (lakemont) for -march= switch
f951: Warning: SSE instruction set disabled, using 387 arithmetics