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| author | Father Chrysostomos <sprout@cpan.org> | 2014-12-29 06:13:48 -0800 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2014-12-29 22:03:29 -0800 |
| commit | d1455c67c18c86ad9bd01ee14c61c0eb3fe6a483 (patch) | |
| tree | c0c4db4f52a7cb35df684b901ad8409a7ee712dd /regen/op_private | |
| parent | 215c5139cb98a8536a622f8aaace5a0b808475a7 (diff) | |
| download | perl-d1455c67c18c86ad9bd01ee14c61c0eb3fe6a483.tar.gz | |
Enable OPpTARGET_MY optimisation for cmp/<=>
We can only do it for <=> under ‘use integer’.
The non-integer <=> will push undef on to the stack. Enabling
the optimisation for it would cause \($lexical = $x <=> "nan") to
leave $lexical with its previous value and return a reference to
&PL_sv_undef.
Diffstat (limited to 'regen/op_private')
| -rw-r--r-- | regen/op_private | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/regen/op_private b/regen/op_private index 4b7c42522e..68286a6d48 100644 --- a/regen/op_private +++ b/regen/op_private @@ -327,7 +327,7 @@ addbits($_, 7 => qw(OPpLVAL_INTRO LVINTRO)) # Only the code paths that handle scalar rvalue context matter. If dTARG # or RETPUSHNO occurs only in list or lvalue paths, T is safe. # -# lt and friends do SETs (including ncmp, but not scmp) +# lt and friends do SETs (including ncmp, but not scmp or i_ncmp) # # Additional mode of failure: the opcode can modify TARG before it "used" # all the arguments (or may call an external function which does the same). |