[Bug target/96448] New: ICE: maximum number of generated reload insns per insn achieved (90)
asolokha at gmx dot com
gcc-bugzilla@gcc.gnu.org
Tue Aug 4 03:15:17 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96448
Bug ID: 96448
Summary: ICE: maximum number of generated reload insns per insn
achieved (90)
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu
Probably another invalid target issue, but still…
gcc-11.0.0-alpha20200802 snapshot (g:6e46b3f3da5c03bc529b3690dd0995927feb9142)
configured for a 32-bit BE powerpc target ICEs when compiling the following
testcase, extracted from test/CodeGen/x86-inline-asm-min-vector-width.c from
clang 10.0.1 test suite, w/ -mcpu=power10:
typedef long long __m256i __attribute__ ((vector_size (32)));
__m256i testYMMout(__m256i *p) {
__m256i ymm0;
__asm__("vmovdqu %1, %0" :"=v"(ymm0) : "m"(*(__m256i*)p));
return ymm0;
}
% powerpc-e300c3-linux-gnu-gcc-11.0.0 -mcpu=power10 -w -c dcbvmywg.c
dcbvmywg.c: In function 'testYMMout':
dcbvmywg.c:5:3: note: the layout of aggregates containing vectors with 32-byte
alignment has changed in GCC 5
5 | __asm__("vmovdqu %1, %0" :"=v"(ymm0) : "m"(*(__m256i*)p));
| ^~~~~~~
during RTL pass: reload
dcbvmywg.c:7:1: internal compiler error: maximum number of generated reload
insns per insn achieved (90)
7 | }
| ^
0xc1ddd0 lra_constraints(bool)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/lra-constraints.c:4954
0xc07540 lra(_IO_FILE*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/lra.c:2415
0xbbea4c do_reload
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/ira.c:5525
0xbbea4c execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200802/work/gcc-11-20200802/gcc/ira.c:5711
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