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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/102133] [12 Regression] ICE in set_rtl building
 libgcc __muldc3 for 32-bit SPARC
Date: Tue, 31 Aug 2021 01:20:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102133

Hongtao.liu <crazylht at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |crazylht at gmail dot com

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
It also caused regressions on mcore-elf:

FAIL: gcc.dg/torture/builtin-attr-1.c   -O1  (internal compiler error)


Excess errors:
during RTL pass: expand
/home/jlaw/jenkins/workspace/mcore-elf/gcc/gcc/testsuite/gcc.dg/torture/bui=
ltin-attr-1.c:147:6:=20
internal compiler error: in set_rtl, at cfgexpand.c:179
0x5971b2 set_rtl
         ../../..//gcc/gcc/cfgexpand.c:179 0x89928a set_parm_rtl(tree_node*,
rtx_def*)
         ../../..//gcc/gcc/cfgexpand.c:1401
0xa2b995 assign_parm_setup_reg
         ../../..//gcc/gcc/function.c:3401 0xa2efeb assign_parms
         ../../..//gcc/gcc/function.c:3707 0xa2efeb
expand_function_start(tree_node*)
         ../../..//gcc/gcc/function.c:5163
0x8a7494 execute
         ../../..//gcc/gcc/cfgexpand.c:6692=