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In 6579a6c we removed existing comparison primops and introduced new ones
returning Int# instead of Bool. This commit (and associated commits in
array, base, dph, ghc-prim, integer-gmp, integer-simple, primitive, testsuite and
template-haskell) restores old names of primops. This allows us to keep
our API cleaner at the price of not having backwards compatibility.
This patch also temporalily disables fix for #8317 (optimization of
tagToEnum# at Core level). We need to fix #8326 first, otherwise
our primops code will be very slow.
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re-recording to avoid new conflicts was too hard, so I just put it
all in one big patch :-( (besides, some of the changes depended on
each other.) Here are what the component patches were:
Fri Dec 28 11:02:55 EST 2007 Isaac Dupree <id@isaac.cedarswampstudios.org>
* document BreakArray better
Fri Dec 28 11:39:22 EST 2007 Isaac Dupree <id@isaac.cedarswampstudios.org>
* properly ifdef BreakArray for GHCI
Fri Jan 4 13:50:41 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* change ifs on __GLASGOW_HASKELL__ to account for... (#1405)
for it not being defined. I assume it being undefined implies
a compiler with relatively modern libraries but without most
unportable glasgow extensions.
Fri Jan 4 14:21:21 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* MyEither-->EitherString to allow Haskell98 instance
Fri Jan 4 16:13:29 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* re-portabilize Pretty, and corresponding changes
Fri Jan 4 17:19:55 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* Augment FastTypes to be much more complete
Fri Jan 4 20:14:19 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* use FastFunctions, cleanup FastString slightly
Fri Jan 4 21:00:22 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* Massive de-"#", mostly Int# --> FastInt (#1405)
Fri Jan 4 21:02:49 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* miscellaneous unnecessary-extension-removal
Sat Jan 5 19:30:13 EST 2008 Isaac Dupree <id@isaac.cedarswampstudios.org>
* add FastFunctions
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Older GHCs can't parse OPTIONS_GHC.
This also changes the URL referenced for the -w options from
WorkingConventions#Warnings to CodingStyle#Warnings for the compiler
modules.
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Defaulting makes compilation of multiple modules more complicated (re: #1405)
Although it was all locally within functions, not because of the module
monomorphism-restriction... but it's better to be clear what's meant, anyway.
I changed some that were defaulting to Integer, to explicit Int, where Int
seemed appropriate rather than Integer.
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This is the result of Bernie Pope's internship work at MSR Cambridge,
with some subsequent improvements by me. The main plan was to
(a) Reduce the overhead for breakpoints, so we could enable
the feature by default without incurrent a significant penalty
(b) Scatter more breakpoint sites throughout the code
Currently we can set a breakpoint on almost any subexpression, and the
overhead is around 1.5x slower than normal GHCi. I hope to be able to
get this down further and/or allow breakpoints to be turned off.
This patch also fixes up :print following the recent changes to
constructor info tables. (most of the :print tests now pass)
We now support single-stepping, which just enables all breakpoints.
:step <expr> executes <expr> with single-stepping turned on
:step single-steps from the current breakpoint
The mechanism is quite different to the previous implementation. We
share code with the HPC (haskell program coverage) implementation now.
The coverage pass annotates source code with "tick" locations which
are tracked by the coverage tool. In GHCi, each "tick" becomes a
potential breakpoint location.
Previously breakpoints were compiled into code that magically invoked
a nested instance of GHCi. Now, a breakpoint causes the current
thread to block and control is returned to GHCi.
See the wiki page for more details and the current ToDo list:
http://hackage.haskell.org/trac/ghc/wiki/NewGhciDebugger
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