https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127326
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> ---
RA also chokes on:
(insn 355 350 356 57 (parallel [
(set (mem/c:TD (plus:SI (reg/f:SI 19 frame)
(const_int -32 [0xffffffffffffffe0])) [2 u+0 S16 A128])
(asm_operands:TD ("") ("=g") 0 [
(reg:TD 146 [ cstore_85 ])
]
[
(asm_input:TD ("0")
../../../../git/gcc/libgcc/soft-fp/floatbitinttd.c:80)
]
[] ../../../../git/gcc/libgcc/soft-fp/floatbitinttd.c:80))
(clobber (reg:CC 17 flags))
]) "../../../../git/gcc/libgcc/soft-fp/floatbitinttd.c":80:7 -1
(expr_list:REG_DEAD (reg:TD 146 [ cstore_85 ])
(expr_list:REG_UNUSED (reg:CC 17 flags)
(nil))))
This issue fails bootstrap when building x86_32 libgcc with patch for PR124209.