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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96744] [11 Regression] FAIL: gcc.target/i386/avx512bitalgvl-vpopcntb-1.c execution test
Date: Mon, 24 Aug 2020 07:47:22 +0000 [thread overview]
Message-ID: <bug-96744-4-KwqOisKj6d@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-96744-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96744
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
Created attachment 49107
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49107&action=edit
Enable spill to mask only under m_core_AVX512
this patch will fail
cat test.c
----
#include<immintrin.h>
void
_mm512_2intersect_epi32_cut (__m512i __A, __m512i __B, __mmask16 *__U,
__mmask16 *__M)
{
__builtin_ia32_2intersectd512 (__U, __M, (__v16si) __A, (__v16si) __B);
}
void
_mm512_2intersect_epi64_cut (__m512i __A, __m512i __B, __mmask8 *__U,
__mmask8 *__M)
{
__builtin_ia32_2intersectq512 (__U, __M, (__v8di) __A, (__v8di) __B);
}
---
with gcc -O2 -mavx512vp2intersect -mavx512bw -mavx512dq
during RTL pass: reload
dump file: avx-1_cut.c.287r.reload
avx-1_cut.c: In function ‘_mm512_2intersect_epi32_cut’:
avx-1_cut.c:7:1: internal compiler error: in emit_move_multi_word, at
expr.c:3680
7 | }
| ^
0xd59c56 emit_move_multi_word
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/expr.c:3680
0xd5a2e3 emit_move_insn_1(rtx_def*, rtx_def*)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/expr.c:3802
0xd5ab32 emit_move_insn(rtx_def*, rtx_def*)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/expr.c:3935
0x1024e79 lra_emit_move(rtx_def*, rtx_def*)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/lra.c:502
0x1043bb3 curr_insn_transform
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/lra-constraints.c:4440
0x10459d4 lra_constraints(bool)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/lra-constraints.c:5031
0x1029896 lra(_IO_FILE*)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/lra.c:2415
0xfba828 do_reload
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/ira.c:5525
0xfbad1e execute
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/ira.c:5711
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
Need to add define_insn for movp2qi/movp2hi?
with -mavx512vp2intersect -mavx512bw -mavx512dq -m32 got different failure
message.
avx-1_cut.c: In function ‘_mm512_2intersect_epi32_cut’:
avx-1_cut.c:7:1: internal compiler error: maximum number of generated reload
insns per insn achieved (90)
7 | }
| ^
0x1045568 lra_constraints(bool)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/lra-constraints.c:4954
0x1029896 lra(_IO_FILE*)
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/lra.c:2415
0xfba828 do_reload
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/ira.c:5525
0xfbad1e execute
/export/users2/liuhongt/gcc/gnu-toolchain/tune_spill_to_mask/gcc/ira.c:5711
Please submit a full bug report,
Not sure about this one.
next prev parent reply other threads:[~2020-08-24 7:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-22 12:28 [Bug target/96744] New: " hjl.tools at gmail dot com
2020-08-23 15:40 ` [Bug target/96744] " cvs-commit at gcc dot gnu.org
2020-08-24 7:47 ` crazylht at gmail dot com [this message]
2020-08-24 12:05 ` ubizjak at gmail dot com
2020-08-24 14:08 ` ubizjak at gmail dot com
2020-08-24 14:11 ` ubizjak at gmail dot com
2020-08-24 14:14 ` ubizjak at gmail dot com
2020-08-25 5:14 ` crazylht at gmail dot com
2020-08-25 11:38 ` rguenth at gcc dot gnu.org
2020-08-27 8:52 ` crazylht at gmail dot com
2020-08-27 9:09 ` crazylht at gmail dot com
2020-08-27 11:09 ` ubizjak at gmail dot com
2020-08-28 7:47 ` cvs-commit at gcc dot gnu.org
2020-08-28 7:53 ` cvs-commit at gcc dot gnu.org
2020-09-15 10:23 ` cvs-commit at gcc dot gnu.org
2020-09-15 10:24 ` crazylht at gmail dot com
2020-10-12 12:28 ` rguenth at gcc dot gnu.org
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