]> git.ipfire.org Git - thirdparty/gcc.git/commit - gcc/ira-costs.cc
re PR target/69299 (-mavx performance degradation with r232088)
authorVladimir Makarov <vmakarov@redhat.com>
Fri, 29 Jan 2016 18:47:17 +0000 (18:47 +0000)
committerVladimir Makarov <vmakarov@gcc.gnu.org>
Fri, 29 Jan 2016 18:47:17 +0000 (18:47 +0000)
commit9eb1ca69e1ebd98cc8e401b5ae271b988e3ab84a
treef72efae70813e3fdbe36d5a4563ab3bf55869ca0
parent6bbacdb54436ea71d77f70f625c4a97f5c245329
re PR target/69299 (-mavx performance degradation with r232088)

2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>

PR target/69299
* config/i386/constraints.md (Bm): Describe as special memory
constraint.
* doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
* genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
* genpreds.c (struct constraint_data): Add is_special_memory.
(have_special_memory_constraints, special_memory_start): New
static vars.
(special_memory_end): Ditto.
(add_constraint): Add new arg is_special_memory.  Add code to
process its true value.  Update have_special_memory_constraints.
(process_define_constraint): Pass the new arg.
(process_define_register_constraint): Ditto.
(choose_enum_order): Process special memory.
(write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
function insn_extra_special_memory_constraint.
(main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
* gensupport.c (process_rtx): Process
DEFINE_SPECIAL_MEMORY_CONSTRAINT.
* ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
* ira-lives.c (single_reg_class): Use
insn_extra_special_memory_constraint.
* ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
* lra-constraints.c (process_alt_operands): Ditto.
(curr_insn_transform): Use insn_extra_special_memory_constraint.
* recog.c (asm_operand_ok, preprocess_constraints): Process
CT_SPECIAL_MEMORY.
* reload.c (find_reloads): Ditto.
* rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
* stmt.c (parse_input_constraint): Use
insn_extra_special_memory_constraint.

From-SVN: r232993
14 files changed:
gcc/ChangeLog
gcc/config/i386/constraints.md
gcc/doc/md.texi
gcc/genoutput.c
gcc/genpreds.c
gcc/gensupport.c
gcc/ira-costs.c
gcc/ira-lives.c
gcc/ira.c
gcc/lra-constraints.c
gcc/recog.c
gcc/reload.c
gcc/rtl.def
gcc/stmt.c