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| author | ienkovich <ienkovich@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-11 12:07:31 +0000 |
|---|---|---|
| committer | ienkovich <ienkovich@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-11 12:07:31 +0000 |
| commit | bd8bece26eb4840f887f3d66ce075cb808efae90 (patch) | |
| tree | aff7cf99fbd76cee5e9f06139145d6518bc63045 /gcc/params.def | |
| parent | 57c83f79d51554bd79262f4e4ef9d365489fa633 (diff) | |
| download | gcc-bd8bece26eb4840f887f3d66ce075cb808efae90.tar.gz | |
gcc/
2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
PR rtl-optimization/68920
* config/i386/i386.c (ix86_option_override_internal): Restrict number
of conditional moves for RTL if-conversion to 1 for
TARGET_ONE_IF_CONV_INSN.
* config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
* config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
* params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
parameter to restirct number of conditional moves for
RTL if-conversion.
* doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
* ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
conditionl moves.
gcc/testsuite/
2016-01-11 Yuri Rumyantsev <ysrumyan@gmail.com>
PR rtl-optimization/68920
* gcc.dg/ifcvt-4.c: Add "--param max-rtl-if-conversion-insns=3" option
for ix86 targets.
* gcc.dg/ifcvt-5.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232220 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 472b20cb3e4..308844afde3 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -1177,6 +1177,12 @@ DEFPARAM (PARAM_MAX_SSA_NAME_QUERY_DEPTH, "Maximum recursion depth allowed when querying a property of an" " SSA name.", 2, 1, 0) + +DEFPARAM (PARAM_MAX_RTL_IF_CONVERSION_INSNS, + "max-rtl-if-conversion-insns", + "Maximum number of insns in a basic block to consider for RTL " + "if-conversion.", + 10, 0, 99) /* Local variables: |