* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
@ 2024-09-20 17:06 ` pinskia at gcc dot gnu.org
2024-09-20 17:09 ` pinskia at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2024-09-20 17:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|ICE in operator[], at |[15 Regression] ICE in
|vec.h:910 |operator[], at vec.h:910
Target Milestone|--- |15.0
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2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
2024-09-20 17:06 ` [Bug tree-optimization/116791] [15 Regression] " pinskia at gcc dot gnu.org
@ 2024-09-20 17:09 ` pinskia at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2024-09-20 17:09 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Looks very recent as it worked at r15-3721-ga2746e43470 .
And it was reported against r15-3737-g33ccc1314dcdb0 .
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
2024-09-20 17:06 ` [Bug tree-optimization/116791] [15 Regression] " pinskia at gcc dot gnu.org
2024-09-20 17:09 ` pinskia at gcc dot gnu.org
@ 2024-09-20 17:13 ` manuel.lauss at googlemail dot com
2024-09-20 17:22 ` pinskia at gcc dot gnu.org
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From: manuel.lauss at googlemail dot com @ 2024-09-20 17:13 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #2 from Manuel Lauss <manuel.lauss at googlemail dot com> ---
(In reply to Andrew Pinski from comment #1)
> Looks very recent as it worked at r15-3721-ga2746e43470 .
> And it was reported against r15-3737-g33ccc1314dcdb0 .
I suspect it's 4eba48a684 or 664e0ce5, because it broke it the last ~10
hours.
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
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From: pinskia at gcc dot gnu.org @ 2024-09-20 17:22 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Full backtrace for r15-3741-gee3efe06c9c49c :
apinski@xeond:~/src/upstream-gcc/gcc/objdir/gcc$ ./cc1 ../../../t.i -quiet -O2
-mavx2
during GIMPLE pass: vect
../mesa-9999/src/gallium/frontends/nine/nine_ff.c: In function
‘nine_ff_update’:
../mesa-9999/src/gallium/frontends/nine/nine_ff.c:2073:1: internal compiler
error: in operator[], at vec.h:910
0x259abce internal_error(char const*, ...)
/home/apinski/src/upstream-gcc/gcc/gcc/diagnostic-global-context.cc:517
0x9d5e87 fancy_abort(char const*, int, char const*)
/home/apinski/src/upstream-gcc/gcc/gcc/diagnostic.cc:1657
0x8e72c0 vec<edge_def*, va_gc, vl_embed>::operator[](unsigned int)
/home/apinski/src/upstream-gcc/gcc/gcc/vec.h:910
0x8e7dea vec<tree_node*, va_heap, vl_embed>::operator[](unsigned int)
/home/apinski/src/upstream-gcc/gcc/gcc/tree.h:3788
0x8e7dea vec<tree_node*, va_heap, vl_ptr>::operator[](unsigned int) const
/home/apinski/src/upstream-gcc/gcc/gcc/vec.h:1590
0x8e7dea vect_transform_slp_perm_load_1
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:9943
0x1445338 vect_transform_slp_perm_load(vec_info*, _slp_tree*, vec<tree_node*,
va_heap, vl_ptr> const&, gimple_stmt_iterator*, poly_int<1u, unsigned long>,
bool, unsigned int*, unsigned int*, bool)
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10051
0x13ef3dd vectorizable_load
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-stmts.cc:10524
0x13faa37 vect_transform_stmt(vec_info*, _stmt_vec_info*,
gimple_stmt_iterator*, _slp_tree*, _slp_instance*)
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-stmts.cc:13515
0x1448688 vect_schedule_slp_node
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10683
0x1460d1e vect_schedule_slp_node
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10470
0x1460d1e vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10921
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x1460ca3 vect_schedule_scc
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:10902
0x146132c vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>
const&)
/home/apinski/src/upstream-gcc/gcc/gcc/tree-vect-slp.cc:11066
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.
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
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2024-09-20 17:22 ` pinskia at gcc dot gnu.org
@ 2024-09-20 17:25 ` pinskia at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2024-09-20 17:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |needs-bisection,
| |needs-reduction
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Working on reducing this.
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
` (4 preceding siblings ...)
2024-09-20 17:25 ` pinskia at gcc dot gnu.org
@ 2024-09-20 19:59 ` pinskia at gcc dot gnu.org
2024-09-21 0:11 ` [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2 sjames at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2024-09-20 19:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2024-09-20
Status|UNCONFIRMED |NEW
Keywords|needs-reduction |
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
```
struct nine_context {
unsigned tex_stage[8][33];
};
struct fvec4 {
float x[2];
};
void f(struct fvec4 *dst, struct nine_context *context) {
unsigned s;
for (s = 0; s < 8; ++s)
{
float *rgba = &dst[s].x[0];
unsigned color = context->tex_stage[s][0];
rgba[0] = (float)((color >> 16) & 0xFF) / 0xFF;
rgba[1] = (float)((color >> 8) & 0xFF) / 0xFF;
}
}
```
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
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2024-09-20 19:59 ` pinskia at gcc dot gnu.org
@ 2024-09-21 0:11 ` sjames at gcc dot gnu.org
2024-09-21 6:45 ` sjames at gcc dot gnu.org
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From: sjames at gcc dot gnu.org @ 2024-09-21 0:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Sam James <sjames at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu.org,
| |sjames at gcc dot gnu.org
Summary|[15 Regression] ICE in |[15 Regression] ICE in
|operator[], at vec.h:910 |operator[], at vec.h:910
| |since
| |r15-3735-g664e0ce580a8f2
--- Comment #6 from Sam James <sjames at gcc dot gnu.org> ---
r15-3735-g664e0ce580a8f2
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2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
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2024-09-21 0:11 ` [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2 sjames at gcc dot gnu.org
@ 2024-09-21 6:45 ` sjames at gcc dot gnu.org
2024-09-21 7:28 ` pinskia at gcc dot gnu.org
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From: sjames at gcc dot gnu.org @ 2024-09-21 6:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
libjxl as well.
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
` (7 preceding siblings ...)
2024-09-21 6:45 ` sjames at gcc dot gnu.org
@ 2024-09-21 7:28 ` pinskia at gcc dot gnu.org
2024-09-23 7:45 ` rguenth at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2024-09-21 7:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |slyfox at gcc dot gnu.org
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
*** Bug 116797 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
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2024-09-21 7:28 ` pinskia at gcc dot gnu.org
@ 2024-09-23 7:45 ` rguenth at gcc dot gnu.org
2024-09-23 9:52 ` cvs-commit at gcc dot gnu.org
2024-09-23 10:46 ` rguenth at gcc dot gnu.org
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From: rguenth at gcc dot gnu.org @ 2024-09-23 7:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
` (9 preceding siblings ...)
2024-09-23 7:45 ` rguenth at gcc dot gnu.org
@ 2024-09-23 9:52 ` cvs-commit at gcc dot gnu.org
2024-09-23 10:46 ` rguenth at gcc dot gnu.org
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From: cvs-commit at gcc dot gnu.org @ 2024-09-23 9:52 UTC (permalink / raw)
To: gcc-bugs
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--- Comment #10 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:723f7b6db841c1a101a2f5b3b6273d8449dae39e
commit r15-3791-g723f7b6db841c1a101a2f5b3b6273d8449dae39e
Author: Richard Biener <rguenther@suse.de>
Date: Mon Sep 23 10:13:17 2024 +0200
tree-optimization/116791 - Elementwise SLP vectorization
The following restricts the elementwise SLP vectorization to the
single-lane case which is the reason I enabled it to avoid regressions
with non-SLP. The PR shows that multi-line SLP loads with elementwise
accesses require work, I'll open a new bug to track this for the
future.
PR tree-optimization/116791
* tree-vect-stmts.cc (get_group_load_store_type): Only
fall back to elementwise access for single-lane SLP, restore
hard failure mode for other cases.
* gcc.dg/vect/pr116791.c: New testcase.
^ permalink raw reply [flat|nested] 13+ messages in thread* [Bug tree-optimization/116791] [15 Regression] ICE in operator[], at vec.h:910 since r15-3735-g664e0ce580a8f2
2024-09-20 16:27 [Bug c/116791] New: ICE in operator[], at vec.h:910 manuel.lauss at googlemail dot com
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From: rguenth at gcc dot gnu.org @ 2024-09-23 10:46 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116791
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Should be fixed.
^ permalink raw reply [flat|nested] 13+ messages in thread