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Diffstat (limited to 'ghc/docs/users_guide/using.vsgml')
| -rw-r--r-- | ghc/docs/users_guide/using.vsgml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ghc/docs/users_guide/using.vsgml b/ghc/docs/users_guide/using.vsgml index 4fd1330372..5b93782c66 100644 --- a/ghc/docs/users_guide/using.vsgml +++ b/ghc/docs/users_guide/using.vsgml @@ -940,14 +940,22 @@ example, you can say @-O2 -fno-strictness@, which will then drop out any running of the strictness analyser. The options you are most likely to want to turn off are: +<itemize> +<item> @-fno-strictness@<nidx>-fno-strictness option</nidx> (strictness analyser [because it is sometimes slow]), +<item> @-fno-specialise@<nidx>-fno-specialise option</nidx> (automatic specialisation of overloaded functions [because it makes your code bigger]) [US spelling also accepted], and +<item> +@-fno-cpr@<nidx>-fno-cpr option</nidx> switches off the CPR (constructed product +result) analyser. +<item> @-fno-update-analysis@<nidx>-fno-update-analysis option</nidx> (update analyser, because it sometimes takes a <em>long</em> time). This one is only enabled with -O2 anyway. +</itemize> Should you wish to turn individual flags <em>on</em>, you are advised to use the @-Ofile@ option, described above. Because the order in |