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cfrontend/C2C.ml
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The name_of_register and register_of_name function are shared between
all architectures and can be moved in a common file.
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Since the size of integer registers is not identical to the size of pointers
for the ppc64 and e5500 model the check for register pairs in
ExtendedAsm does not work correctly.
In order to avoid this a new field sizeof_intreg is introduced in the
Machine configuration which describes the size of integer registers.
New configurations for the ppc64 and e5500 model are added
and used.
Bug 24273
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Since a non modifiable lvalue is an invalid asm output it should
be checked earlier, otherwise this leads to a retyping error
later.
Bug 24285
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* Module Cerrors is now called Diagnostic and can be used in parts of CompCert other than cparser/
* Replaced eprintf error. Instead of having eprintf msg; exit 2 use the functions from the
Diagnostics module.
* Raise on error before calling external tools.
* Added diagnostics to clightgen.
* Fix error handling of AsmToJson.
* Cleanup error handling of Elab and C2C.
*The implementation of location printing (file & line) is simplified and correctly prints valid filenames with invalid lines.
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Now each warning either has a name and can be turned on/off, made
into an error,etc. or is a warning that always will be triggered.
The message of the warnings are similar to the ones emited by
gcc/clang and all fit into one line.
Furthermore the diagnostics are now colored if colored output is
available.
Bug 18004
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Most of the code can be String.uppercase usages can either be
replaced by a more specialized version of coqstring_of_camlstring
(which is also slightly more effecient) or by specialized checks
that reject wrong code earlier.
Bug 19187
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The code was mostly there for documentation effort. So warning
27 is deactivated again.
Bug 18349
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Removed some unused variables, functions etc. and resolved some
problems which occur if all warnings except 3,4,9 and 29 are active.
Bug 18394.
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structured builtin arguments and results.
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- Treat clobbered registers as being destroyed by EF_inline_asm builtins
(which is the truth, semantically).
- To enable the above, represent clobbers as Coq strings rather than idents
and move register_by_name from Machregsaux.ml to Machregs.v.
- Side benefit: more efficient implementation of Machregsaux.name_of_register.
-# Please enter the commit message for your changes. Lines starting
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clobber lists.
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We can ignore alternatives as long as one of the constraints we
handle (r, m, i, n) is there.
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- support "r", "m" and "i" constraints
- support "%Q" and "%R" modifiers for register pairs
- support register clobbers
- split off analysis and transformation of asm statements in
cparser/ExtendedAsm.ml
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