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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-02-21 00:34:46 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-02-21 00:34:46 +0000 |
| commit | 45c09478fca62fa58a6c181b33e15fda40f9a468 (patch) | |
| tree | 18dbcbc8a1640d7b3dabe363406823a934ea0dd5 /gcc/params.def | |
| parent | 9449b2241093cd9702527534c5cdc63beb67f4d0 (diff) | |
| download | gcc-45c09478fca62fa58a6c181b33e15fda40f9a468.tar.gz | |
* params.def (max-peeled-insns, max-completely-peeled-insns,
max-once-peeled-insns): Set to 400.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78201 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/params.def b/gcc/params.def index 5642be4ad7b..3d5a6b70a2a 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -133,7 +133,12 @@ DEFPARAM(PARAM_MAX_GCSE_PASSES, 1) /* This parameter limits the number of insns in a loop that will be unrolled, - and by how much the loop is unrolled. */ + and by how much the loop is unrolled. + + This limit should be at most half of the peeling limits: loop unroller + decides to not unroll loops that iterate fewer than 2*number of allowed + unrollings and thus we would have loops that are neither peeled or unrooled + otherwise. */ DEFPARAM(PARAM_MAX_UNROLLED_INSNS, "max-unrolled-insns", "The maximum number of instructions to consider to unroll in a loop", @@ -153,7 +158,7 @@ DEFPARAM(PARAM_MAX_UNROLL_TIMES, DEFPARAM(PARAM_MAX_PEELED_INSNS, "max-peeled-insns", "The maximum number of insns of a peeled loop", - 120) + 400) /* The maximum number of peelings of a single loop. */ DEFPARAM(PARAM_MAX_PEEL_TIMES, "max-peel-times", @@ -163,7 +168,7 @@ DEFPARAM(PARAM_MAX_PEEL_TIMES, DEFPARAM(PARAM_MAX_COMPLETELY_PEELED_INSNS, "max-completely-peeled-insns", "The maximum number of insns of a completely peeled loop", - 120) + 400) /* The maximum number of peelings of a single loop that is peeled completely. */ DEFPARAM(PARAM_MAX_COMPLETELY_PEEL_TIMES, "max-completely-peel-times", @@ -173,7 +178,7 @@ DEFPARAM(PARAM_MAX_COMPLETELY_PEEL_TIMES, DEFPARAM(PARAM_MAX_ONCE_PEELED_INSNS, "max-once-peeled-insns", "The maximum number of insns of a peeled loop that rolls only once", - 200) + 400) /* The maximum number of insns of an unswitched loop. */ DEFPARAM(PARAM_MAX_UNSWITCH_INSNS, |