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[Bug target/43440] Overwriting neon quad register does not clobber all included single registers
- From: "rearnsha at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 13 Nov 2010 23:09:32 +0000
- Subject: [Bug target/43440] Overwriting neon quad register does not clobber all included single registers
- Auto-submitted: auto-generated
- References: <bug-43440-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43440
--- Comment #11 from Richard Earnshaw <rearnsha at gcc dot gnu.org> 2010-11-13 23:08:31 UTC ---
Author: rearnsha
Date: Sat Nov 13 23:08:26 2010
New Revision: 166723
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166723
Log:
PR target/43440
* tm.texi.in (OVERLAPPING_REGISTER_NAMES): Document new macro.
* tm.texi: Regenerated.
* output.h (decode_reg_name_and_count): Declare.
* varasm.c (decode_reg_name_and_count): New function.
(decode_reg_name): Reimplement using decode_reg_name_and_count.
* reginfo.c (fix_register): Use decode_reg_name_and_count and
iterate over all regs used.
* stmt.c (expand_asm_operands): Likewise.
* arm/aout.h (OVERLAPPING_REGISTER_NAMES): Define.
(ADDITIONAL_REGISTER_NAMES): Remove aliases that overlap
multiple machine registers.
Modified:
trunk/gcc/ChangeLog