https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102133
Bug ID: 102133
Summary: [12 Regression] ICE in set_rtl building libgcc
__muldc3 for 32-bit SPARC
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: jsm28 at gcc dot gnu.org
CC: liuhongt at gcc dot gnu.org
Target Milestone: ---
Target: sparc*-*-*
Created attachment 51380
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51380&action=edit
preprocessed source
commit 7218c2ec365ce95f5a1012a6eb425b0a36aec6bf, "Make sure we're playing with
integral modes before call extract_integral_bit_field.", introduces the
following ICE building libgcc for 32-bit SPARC (32-bit multilib for
sparc64-linux-gnu). Compile the attached test with -m32 -O2.
during RTL pass: expand
/scratch/jmyers/glibc/many12/src/gcc/libgcc/libgcc2.c: In function '__muldc3':
/scratch/jmyers/glibc/many12/src/gcc/libgcc/libgcc2.c:1947:1: internal compiler
error: in set_rtl, at cfgexpand.c:200
1947 | CONCAT3(__mul,MODE,3) (MTYPE a, MTYPE b, MTYPE c, MTYPE d)
| ^~~~~~~~
0x7ccbe9 set_rtl
/scratch/jmyers/glibc/many12/src/gcc/gcc/cfgexpand.c:179
0x7cf028 set_parm_rtl(tree_node*, rtx_def*)
/scratch/jmyers/glibc/many12/src/gcc/gcc/cfgexpand.c:1401
0x98a451 assign_parm_setup_reg
/scratch/jmyers/glibc/many12/src/gcc/gcc/function.c:3401
0x98a451 assign_parms
/scratch/jmyers/glibc/many12/src/gcc/gcc/function.c:3707
0x98de2c expand_function_start(tree_node*)
/scratch/jmyers/glibc/many12/src/gcc/gcc/function.c:5163
0x7e11b9 execute
/scratch/jmyers/glibc/many12/src/gcc/gcc/cfgexpand.c:6692
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Please include the complete backtrace with any bug report.
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