https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108436
Bug ID: 108436
Summary: [13 Regression] ICE in gen_prefetch, at
config/i386/i386.md:24155
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20221106 and 20221120 :
$ cat z1.c
#include <x86intrin.h>
void* p;
void extern
prefetch_test (void)
{
__builtin_ia32_prefetch (p, 0, 4, 0);
}
$ gcc-13-20230115 -c z1.c
during RTL pass: expand
z1.c: In function 'prefetch_test':
z1.c:6:3: internal compiler error: in gen_prefetch, at
config/i386/i386.md:24155
6 | __builtin_ia32_prefetch (p, 0, 4, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x154cfec gen_prefetch(rtx_def*, rtx_def*, rtx_def*)
../../gcc/config/i386/i386.md:24155
0x10edffe ix86_expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode,
int)
../../gcc/config/i386/i386-expand.cc:13200
0x88cc9b expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
../../gcc/builtins.cc:7321
0x9b3ef0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
../../gcc/expr.cc:11872
0x8af731 expand_expr
../../gcc/expr.h:310
0x8af731 expand_call_stmt
../../gcc/cfgexpand.cc:2831
0x8af731 expand_gimple_stmt_1
../../gcc/cfgexpand.cc:3880
0x8af731 expand_gimple_stmt
../../gcc/cfgexpand.cc:4044
0x8b4307 expand_gimple_basic_block
../../gcc/cfgexpand.cc:6096
0x8b6dce execute
../../gcc/cfgexpand.cc:6831
