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* [Bug target/112888] New: [14 Regression] RISCV ICE: in compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695
@ 2023-12-06 20:04 patrick at rivosinc dot com
2023-12-06 22:36 ` [Bug target/112888] " juzhe.zhong at rivai dot ai
2023-12-06 23:35 ` patrick at rivosinc dot com
0 siblings, 2 replies; 3+ messages in thread
From: patrick at rivosinc dot com @ 2023-12-06 20:04 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112888
Bug ID: 112888
Summary: [14 Regression] RISCV ICE: in
compute_lcm_local_properties, at
config/riscv/riscv-vsetvl.cc:2695
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: patrick at rivosinc dot com
Target Milestone: ---
Created attachment 56820
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56820&action=edit
-freport-bug output
Testcase:
https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/testsuite/c-c%2B%2B-common/goacc/kernels-double-reduction-n.c;h=8f7f415b58d848cf51427c102972e248c1bcb191;hb=c9d5b46a25547035e381b0246de5cb553ca8b02d
Command:
> ./bin/riscv64-unknown-linux-gnu-gcc -march=rv64gcv kernels-double-reduction-n.c -fopenacc -O2
during RTL pass: vsetvl
kernels-double-reduction-n.c: In function 'foo._omp_fn.0':
kernels-double-reduction-n.c:18:9: internal compiler error: in
compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695
18 | #pragma acc kernels copyin (a[0:n]) copy (sum) /* { dg-message
"optimized: assigned OpenACC gang loop parallelism" } */
| ^~~
0xac6f4b pre_vsetvl::compute_lcm_local_properties()
../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:2695
0x173b419 pre_vsetvl::earliest_fuse_vsetvl_info()
../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:2884
0x173d5d9 pass_vsetvl::lazy_vsetvl()
../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:3531
0x173d93f pass_vsetvl::execute(function*)
../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:3578
0x173d93f pass_vsetvl::execute(function*)
../../../gcc/gcc/config/riscv/riscv-vsetvl.cc:3561
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Looks like the newly added assert is firing:
https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/config/riscv/riscv-vsetvl.cc;h=68f0be7e81d124dde4537761719c93902992af2f;hb=c9d5b46a25547035e381b0246de5cb553ca8b02d#l2695
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/112888] [14 Regression] RISCV ICE: in compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695
2023-12-06 20:04 [Bug target/112888] New: [14 Regression] RISCV ICE: in compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695 patrick at rivosinc dot com
@ 2023-12-06 22:36 ` juzhe.zhong at rivai dot ai
2023-12-06 23:35 ` patrick at rivosinc dot com
1 sibling, 0 replies; 3+ messages in thread
From: juzhe.zhong at rivai dot ai @ 2023-12-06 22:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112888
--- Comment #1 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
Could you commit this patch for me ?:
https://gcc.gnu.org/pipermail/gcc-patches/2023-December/639642.html
This patch fixes this ICE.
My internet can not access the gcc.git.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/112888] [14 Regression] RISCV ICE: in compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695
2023-12-06 20:04 [Bug target/112888] New: [14 Regression] RISCV ICE: in compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695 patrick at rivosinc dot com
2023-12-06 22:36 ` [Bug target/112888] " juzhe.zhong at rivai dot ai
@ 2023-12-06 23:35 ` patrick at rivosinc dot com
1 sibling, 0 replies; 3+ messages in thread
From: patrick at rivosinc dot com @ 2023-12-06 23:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112888
Patrick O'Neill <patrick at rivosinc dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
--- Comment #2 from Patrick O'Neill <patrick at rivosinc dot com> ---
Tested locally - confirmed to resolve the failure & committed.
https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=db642d60ee81cd99d55f4e228d01de704b5b7cfa
Thanks for the quick fix!
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-12-06 20:04 [Bug target/112888] New: [14 Regression] RISCV ICE: in compute_lcm_local_properties, at config/riscv/riscv-vsetvl.cc:2695 patrick at rivosinc dot com
2023-12-06 22:36 ` [Bug target/112888] " juzhe.zhong at rivai dot ai
2023-12-06 23:35 ` patrick at rivosinc dot com
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