https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79263
Bug ID: 79263
Summary: Several tests introduced in r244878 fail with -m32
Product: gcc
Version: 7.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: dominiq at lps dot ens.fr
CC: dmalcolm at gcc dot gnu.org
Target Milestone: ---
The following tests introduced in r244878 fail with -m32 (see also
https://gcc.gnu.org/ml/gcc-testresults/2017-01/msg02413.html)
FAIL: gcc.dg/rtl/x86_64/dfinit.c execution test
FAIL: gcc.dg/rtl/x86_64/final.c (internal compiler error)
FAIL: gcc.dg/rtl/x86_64/final.c (test for excess errors)
FAIL: gcc.dg/rtl/x86_64/final.c 1 blank line(s) in output
FAIL: gcc.dg/rtl/x86_64/final.c scan-assembler .cfi_endproc
FAIL: gcc.dg/rtl/x86_64/final.c scan-assembler .cfi_startproc
FAIL: gcc.dg/rtl/x86_64/final.c scan-assembler ret
FAIL: gcc.dg/rtl/x86_64/into-cfglayout.c execution test
FAIL: gcc.dg/rtl/x86_64/ira.c execution test
FAIL: gcc.dg/rtl/x86_64/times-two.c.after-expand.c execution test
FAIL: gcc.dg/rtl/x86_64/vregs.c execution test
The ICE is
/opt/gcc/work/gcc/testsuite/gcc.dg/rtl/x86_64/final.c:124:1: error:
unrecognizable insn:
(insn/f 32 6 33 2 (set (mem:DI (pre_dec:DI (reg/f:SI 7 sp)) [0 S8 A8])
(reg/f:SI 6 bp)) -1
(nil))
/opt/gcc/work/gcc/testsuite/gcc.dg/rtl/x86_64/final.c:124:1: internal compiler
error: in extract_insn, at recog.c:2311
On x86_64-apple-darwin16 I also see the following ICE with -m64
FAIL: gcc.dg/rtl/x86_64/final.c (internal compiler error)
FAIL: gcc.dg/rtl/x86_64/final.c (test for excess errors)
FAIL: gcc.dg/rtl/x86_64/final.c 1 blank line(s) in output
FAIL: gcc.dg/rtl/x86_64/final.c scan-assembler .cfi_endproc
FAIL: gcc.dg/rtl/x86_64/final.c scan-assembler .cfi_startproc
/opt/gcc/work/gcc/testsuite/gcc.dg/rtl/x86_64/final.c:124:1: internal compiler
error: Segmentation fault: 11
