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[Bug rtl-optimization/68910] [5/6 regression] huge stack frame and poor code with instruction scheduling at -O2
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 19 Dec 2015 21:58:34 +0000
- Subject: [Bug rtl-optimization/68910] [5/6 regression] huge stack frame and poor code with instruction scheduling at -O2
- Auto-submitted: auto-generated
- References: <bug-68910-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68910
--- Comment #11 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Sat Dec 19 21:58:02 2015
New Revision: 231851
URL: https://gcc.gnu.org/viewcvs?rev=231851&root=gcc&view=rev
Log:
PR rtl-optimization/68910
* emit-rtl.c (set_unique_reg_note) <>REG_EQUAL>: Add bypass for USEs.
* config/sparc/sparc.md (anddi3): Enable only in 64-bit mode.
(iordi3): Likewise.
(xordi3): Likewise.
(one_cmpldi2): Likewise.
(*anddi3_sp32): Delete.
(*and_not_di_sp32): Likewise.
(*iordi3_sp32): Likewise.
(*or_not_di_sp32): Likewise.
(*xordi3_sp32): Likewise.
(*xor_not_di_sp32): Likewise.
(32-bit DImode logical operations splitter): Likewise.
(*one_cmpldi2_sp32): Likewise.
Added:
trunk/gcc/testsuite/gcc.target/sparc/20151219-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/sparc/sparc.md
trunk/gcc/emit-rtl.c
trunk/gcc/testsuite/ChangeLog