https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105866
Bug ID: 105866
Summary: [13 Regression] ICE in emit_move_insn building glibc
for MIPS
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: roger at nextmovesoftware dot com
Target Milestone: ---
Target: mips*-*-*
Created attachment 53093
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53093&action=edit
preprocessed source
Commit ed6fd2aed58f2cca99f15331bf68999c0e6df370, "PR middle-end/95126: Expand
small const structs as immediate constants.", introduces an ICE for the
attached test case (from glibc) on mips64-linux-gnu. Compile with: -mabi=n32
-O2
during RTL pass: expand
key_call.c: In function 'key_gendes':
key_call.c:224:12: internal compiler error: in emit_move_insn, at expr.cc:4012
0x95754f emit_move_insn(rtx_def*, rtx_def*)
/scratch/jmyers/glibc/many13/src/gcc/gcc/expr.cc:4011
0x7eb57e load_register_parameters
/scratch/jmyers/glibc/many13/src/gcc/gcc/calls.cc:2192
0x7f31ad expand_call(tree_node*, rtx_def*, int)
/scratch/jmyers/glibc/many13/src/gcc/gcc/calls.cc:3594
0x951d45 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/scratch/jmyers/glibc/many13/src/gcc/gcc/expr.cc:11621
0x95ee95 store_expr(tree_node*, rtx_def*, int, bool, bool)
/scratch/jmyers/glibc/many13/src/gcc/gcc/expr.cc:6106
0x960a47 expand_assignment(tree_node*, tree_node*, bool)
/scratch/jmyers/glibc/many13/src/gcc/gcc/expr.cc:5835
0x80e7ae expand_call_stmt
/scratch/jmyers/glibc/many13/src/gcc/gcc/cfgexpand.cc:2829
0x80e7ae expand_gimple_stmt_1
/scratch/jmyers/glibc/many13/src/gcc/gcc/cfgexpand.cc:3869
0x80e7ae expand_gimple_stmt
/scratch/jmyers/glibc/many13/src/gcc/gcc/cfgexpand.cc:4033
0x815a22 expand_gimple_basic_block
/scratch/jmyers/glibc/many13/src/gcc/gcc/cfgexpand.cc:6085
0x8180d2 execute
/scratch/jmyers/glibc/many13/src/gcc/gcc/cfgexpand.cc:6811
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