https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101737
Bug ID: 101737
Summary: SH4 -Os causes internal compiler error when building
pixman
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: thomas.petazz...@free-electrons.com
Target Milestone: ---
Created attachment 51247
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51247&action=edit
source file that exhibits the issue
The attached source file test.c, which comes from the pixman open-source
project, when compiled for SuperH 4 using gcc 9.3.0 causes an internal compiler
error when built at -Os. Building at -O0 or -O2 doesn't cause any problem.
$ sh4-linux-gcc -c -Os test.c
during RTL pass: split1
pixman-fast-path.c: In function
‘fast_composite_scaled_nearest_8888_565_normal_OVER’:
pixman-fast-path.c:1204:1: internal compiler error: Segmentation fault
1204 | FAST_NEAREST (8888_565_normal, 8888, 0565, uint32_t, uint16_t, OVER,
NORMAL)
| ^~~~~~
unrecognized DWARF version in .debug_info at 6
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugs.buildroot.net/> for instructions.
$ sh4-linux-gcc -c -O2 test.c
$ sh4-linux-gcc -c -O0 test.c
