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[Bug target/84406] [8 Regression][MSP430] ICE on valid code in find_widening_optab_handler_and_mode, at optabs-query.c:476
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 15 Feb 2018 16:31:34 +0000
- Subject: [Bug target/84406] [8 Regression][MSP430] ICE on valid code in find_widening_optab_handler_and_mode, at optabs-query.c:476
- Auto-submitted: auto-generated
- References: <bug-84406-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84406
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org,
| |rsandifo at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The find_widening_optab_handler_and_mode change is clearly wrong for partial
modes. While wider modes for MODE_INT modes should be MODE_INT too, for
MODE_PARTIAL_INT modes GET_MODE_WIDER_MODE is the associated MODE_INT mode.