https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #155 from John Paul Adrian Glaubitz <glaubitz at physik dot
fu-berlin.de> ---
(In reply to John Paul Adrian Glaubitz from comment #154)
> Managed to reproduce the error with an error message:
>
> (unstable-sh4-sbuild)glaubitz@acrux:/build/gcc-14-7reYr0/gcc-14-14.2.0/build/
> sh4-linux-gnu/libgomp$ /build/gcc-14-7reYr0/gcc-14-14.2.0/build/./gcc/xgcc
> -B/build/gcc-14-7reYr0/gcc-14-14.2.0/build/./gcc/ -B/usr/sh4-linux-gnu/bin/
> -B/usr/sh4-linux-gnu/lib/ -isystem /usr/sh4-linux-gnu/include -isystem
> /usr/sh4-linux-gnu/sys-include -isystem
> /build/gcc-14-7reYr0/gcc-14-14.2.0/build/sys-include -fno-checking
> -DHAVE_CONFIG_H -I. -I../../../src/libgomp
> -I../../../src/libgomp/config/posix -I../../../src/libgomp
> -I../../../src/libgomp/../include -Wall -ftls-model=initial-exec -pthread
> -DUSING_INITIAL_EXEC_TLS -g -O2 -MT affinity-fmt.lo -MD -MP -MF
> .deps/affinity-fmt.Tpo -c ../../../src/libgomp/affinity-fmt.c -o
> affinity-fmt.o
> ../../../src/libgomp/affinity-fmt.c: In function 'gomp_display_affinity':
> ../../../src/libgomp/affinity-fmt.c:437:1: error: unable to find a register
> to spill
> 437 | }
> | ^
> ../../../src/libgomp/affinity-fmt.c:437:1: error: this is the insn:
> (insn 1939 564 567 70 (set (reg:SI 537 [orig:214 _146 ] [214])
> (reg:SI 214 [ _146 ])) "../../../src/libgomp/affinity-fmt.c":203:13
> 191 {movsi_ie}
> (nil))
> ../../../src/libgomp/affinity-fmt.c:437: confused by earlier errors, bailing
> out
> (unstable-sh4-sbuild)glaubitz@acrux:/build/gcc-14-7reYr0/gcc-14-14.2.0/build/
> sh4-linux-gnu/libgomp$
This goes away with "-fno-inline-functions -fno-thread-jumps
-fno-rerun-cse-after-loop".
