Hi Jakub,
On Thu, 9 Apr 2020 at 17:06, Richard Biener <[email protected]> wrote:
>
> On Thu, 9 Apr 2020, Alexandre Oliva wrote:
>
> > On Apr 9, 2020, Jakub Jelinek <[email protected]> wrote:
> >
> > > 2020-04-09 Jakub Jelinek <[email protected]>
> >
> > > PR debug/94495
> > > * cselib.h (cselib_record_sp_cfa_base_equiv,
> > > cselib_sp_derived_value_p): Declare.
> > > * cselib.c (cselib_record_sp_cfa_base_equiv,
> > > cselib_sp_derived_value_p): New functions.
> > > * var-tracking.c (add_stores): Don't record MO_VAL_SET for
> > > cselib_sp_derived_value_p values.
> > > (vt_initialize): Call cselib_record_sp_cfa_base_equiv at the
> > > start of extended basic blocks other than the first one
> > > for !frame_pointer_needed functions.
> >
> > Beautiful, thanks!
>
> Thus OK.
>
This patch makes GCC fail to build newlib when configured for
aarch64_be-none-elf:
0x10c488c vt_expand_var_loc_chain
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8355
0x10c488c vt_expand_loc_callback
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8551
0x8a0aa4 cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1881
0x8a2b5e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int,
rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*)
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1727
0x10c412a vt_expand_loc_callback
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8487
0x8a09c1 cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1846
0x8a2b5e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int,
rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*)
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1727
0x10c4426 vt_expand_var_loc_chain
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8389
0x10c4426 vt_expand_loc_callback
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8551
0x8a0aa4 cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1881
0x8a2b5e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int,
rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*)
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1727
0x10c4426 vt_expand_var_loc_chain
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8389
0x10c4426 vt_expand_loc_callback
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8551
0x8a0aa4 cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1881
0x8a07fc cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1919
0x8a07fc cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1919
0x8a2b5e cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int,
rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*)
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1727
0x10c4426 vt_expand_var_loc_chain
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8389
0x10c4426 vt_expand_loc_callback
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/var-tracking.c:8551
0x8a0aa4 cselib_expand_value_rtx_1
/tmp/9192639_9.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cselib.c:1881
make[7]: *** [Makefile:824: lib_a-ldtoa.o] Error 1
make[7]: *** Waiting for unfinished jobs....
make[7]: Leaving directory
'/tmp/9192639_9.tmpdir/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-aarch64_be-none-elf/newlib/aarch64_be-none-elf/ilp32/newlib/libc/stdlib'
Christophe
> Richard.
>
> --
> Richard Biener <[email protected]>
> SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg,
> Germany; GF: Felix Imendörffer; HRB 36809 (AG Nuernberg)
