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[Bug target/53513] [SH] Add support for fschg and fpchg insns and improve fenv support
- From: "olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Oct 2014 01:00:00 +0000
- Subject: [Bug target/53513] [SH] Add support for fschg and fpchg insns and improve fenv support
- Auto-submitted: auto-generated
- References: <bug-53513-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53513
Oleg Endo <olegendo at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #33716|0 |1
is obsolete| |
--- Comment #24 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Created attachment 33717
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33717&action=edit
Using virtual FPSCR registers to model insn dependencies
sh_emit_set_t_insn was producing nested parallel patterns.
When compiling libgcc (for -m4 -mb) memory consumption goes up a lot. Either
there is a bug in the patch, or it's triggering a bug somewhere else which
seems to cause an infinite alloc cycle somewhere.