[Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477

Richard Biener  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Blocks|82738   |
 Status|NEW |RESOLVED

--- Comment #5 from Richard Biener  ---
All of the testcases work now.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82738
[Bug 82738] [meta-bug] issues with the -Og optimization level

[Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477

Andrew Pinski  changed:

   What|Removed |Added

   Target Milestone|--- |12.0

[Bug target/102477] [12 Regression] ICE: in emit_move_insn, at expr.c:4026 at -Og and -O

[zsojka at seznam dot cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477

--- Comment #4 from Zdenek Sojka  ---
Created attachment 51557
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51557=edit
another testcase, failing at -O

$ x86_64-pc-linux-gnu-gcc -O testcase.c
during RTL pass: expand
testcase.c: In function 'foo':
testcase.c:7:8: internal compiler error: in emit_move_insn, at expr.c:4026
7 |   v *= -(v >> 4 * 8 - 1);
  |^
0x6b91fa emit_move_insn(rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/expr.c:4026
0xe38a03 expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.c:4006
0xe38a03 expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.c:4040
0xe3eaff expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.c:6082
0xe406ce execute
/repo/gcc-trunk/gcc/cfgexpand.c:6808
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