diff options
| author | dje <dje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-08-24 20:28:07 +0000 |
|---|---|---|
| committer | dje <dje@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-08-24 20:28:07 +0000 |
| commit | fbf0ba359d53a43a55f5e65171b9ea318949f602 (patch) | |
| tree | ec6fd4aa5498dddaa49fc43b1050d058cd4624c3 /gcc | |
| parent | 6e27d77323d78e2dbddab718fc6e5601058e64ae (diff) | |
| download | gcc-fbf0ba359d53a43a55f5e65171b9ea318949f602.tar.gz | |
2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
* params.def (PARAM_MIN_SPEC_PROB): New.
* sched-rgn.c (MIN_PROBABILITY): Delete.
(compute_trg_info): Convert to PARAM_VALUE.
* doc/invoke.texi (param): Document min-spec-prob.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103450 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 | ||||
| -rw-r--r-- | gcc/params.def | 5 | ||||
| -rw-r--r-- | gcc/sched-rgn.c | 6 |
4 files changed, 17 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 26ea0debe95..1629304636f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com> + + * params.def (PARAM_MIN_SPEC_PROB): New. + * sched-rgn.c (MIN_PROBABILITY): Delete. + (compute_trg_info): Convert to PARAM_VALUE. + * doc/invoke.texi (param): Document min-spec-prob. + 2005-08-24 Fariborz Jahanian <fjahanian@apple.com> * config/darwin.h: define __PIC__ diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 444c3d9823f..d31e77b467a 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -6005,6 +6005,10 @@ interblock scheduling. The default value is 10. The maximum number of insns in a region to be considered for interblock scheduling. The default value is 100. +@item min-sched-prob +The minimum probability of reaching a source block for interblock +speculative scheduling. The default value is 40. + @item max-last-value-rtl The maximum size measured as number of RTLs that can be recorded in an expression diff --git a/gcc/params.def b/gcc/params.def index 4fc74b5e6af..a777efa2e1d 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -451,6 +451,11 @@ DEFPARAM(PARAM_MAX_SCHED_REGION_INSNS, "The maximum number of insns in a region to be considered for interblock scheduling", 100, 0, 0) +DEFPARAM(PARAM_MIN_SPEC_PROB, + "min-spec-prob", + "The minimum probability of reaching a source block for interblock speculative scheduling", + 40, 0, 0) + DEFPARAM(PARAM_MAX_LAST_VALUE_RTL, "max-last-value-rtl", "The maximum number of RTL nodes that can be recorded as combiner's last value", diff --git a/gcc/sched-rgn.c b/gcc/sched-rgn.c index ef182821412..69bd3598576 100644 --- a/gcc/sched-rgn.c +++ b/gcc/sched-rgn.c @@ -251,10 +251,6 @@ static void compute_dom_prob_ps (int); #define IS_SPECULATIVE_INSN(INSN) (IS_SPECULATIVE (BLOCK_TO_BB (BLOCK_NUM (INSN)))) #define INSN_BB(INSN) (BLOCK_TO_BB (BLOCK_NUM (INSN))) -/* Parameters affecting the decision of rank_for_schedule(). - ??? Nope. But MIN_PROBABILITY is used in compute_trg_info. */ -#define MIN_PROBABILITY 40 - /* Speculative scheduling functions. */ static int check_live_1 (int, rtx); static void update_live_1 (int, rtx); @@ -1013,7 +1009,7 @@ compute_trg_info (int trg) if (sp->is_valid) { sp->src_prob = GET_SRC_PROB (i, trg); - sp->is_valid = (sp->src_prob >= MIN_PROBABILITY); + sp->is_valid = (sp->src_prob >= PARAM_VALUE (PARAM_MIN_SPEC_PROB)); } if (sp->is_valid) |