| Commit message (Collapse) | Author | Age |
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(definitely not semantics-preserving; hard to justify).
CPragmas: make sure SDAs are not recognized on MacOSX.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1836 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1828 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1825 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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powerpc/PrintAsm.ml: fixed MacOS X problems with malloc and free
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1824 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1823 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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as well as the handling of sections.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1822 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1817 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- native treatment of volatile accesses in CompCert C's semantics
- translation of volatile accesses to built-ins in SimplExpr
- native treatment of struct assignment and passing struct parameter by value
- only passing struct result by value remains emulated
- in cparser, remove emulations that are no longer used
- added C99's type _Bool and used it to express || and && more efficiently.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1814 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1801 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1800 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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certain customer's code
backend/Coloringaux: avoid spilling the dummy result registers for built-ins that have no result.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1799 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1793 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Finished updating IA32 and ARM ports.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1792 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Most RTL operators now evaluate to Some Vundef instead of None
when undefined behavior occurs.
- More aggressive instruction selection.
- "Bertotization" of pattern-matchings now implemented by a proper preprocessor.
- Cast optimization moved to cfrontend/Cminorgen; removed backend/CastOptim.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1790 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1732 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1729 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1719 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Related general change: support for destroyed_at_moves.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1700 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1697 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1689 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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test/regression: int main() so that interpretation works
Revised once more implementation of __builtin_memcpy (to check for PPC & ARM)
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1688 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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of semantic preservation.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1683 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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powerpc/*: better compilation of some comparisons; revised asmgenproof1.
common/*: added Mem.storebytes; used to give semantics to memcpy builtin.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1679 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1677 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1676 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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functions, and more generally external functions
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1672 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1667 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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ia32: support builtins for reversed reads and writes (facilitates testing).
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1655 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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cparser: added experimental emulation of packed structs (PackedStruct.ml)
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1650 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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(simpler and globally more efficient)
cfrontend/C2C.ml: specialization of __builtin_memcpy over size
*/PrintAsm.ml: revised expansion of __builtin_memcpy_*
ia32/Asm.ml: typo in comment
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1649 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Added -dmach option and corresponding printer for Mach code.
CleanupLabelsproof.v: fixed for ARM
Driver.ml: -E sends output to stdout; support for .s and .S source files.
cparser/Elab.ml: spurious comment deleted.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1648 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1637 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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New-style handling of sections for IA32 and ARM. Work in progress, to be tested.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1635 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Removed Machabstr and Machabstr2concr, now useless following the reengineering
of Stacking.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1633 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- In pointer values "Vptr b ofs", interpret "ofs" as an unsigned int.
(Fixes issue with wrong comparison of pointers across 0x8000_0000)
- Revised Stacking pass to not use negative SP offsets.
- Add pointer validity checks to Cminor ... Mach
to support the use of memory injections in Stacking.
- Cleaned up Stacklayout modules.
- IA32: improved code generation for Mgetparam.
- ARM: improved code generation for op-immediate instructions.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1632 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1605 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1597 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1545 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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(May fail if float is too big to be converted.)
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1544 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Reload temporaries are marked as destroyed (set to Vundef) across
operations in the semantics of LTL, LTLin, Linear and Mach,
allowing Asmgen to reuse them.
- Added IA32 port.
- Cleaned up float conversions and axiomatization of floats.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1499 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1497 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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as bitwise operations rather than arithmetic ones.
CastOptimproof: fixed for ARM port.
Other files: adapted to changes in Integers.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1472 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1468 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Csyntax, Csem: source C language has side-effects within expressions,
performs implicit casts, and has nondeterministic reduction semantics
for expressions
- Cstrategy: deterministic red. sem. for the above
- Clight: the previous source C language, with pure expressions.
Added: temporary variables + implicit casts.
- New pass SimplExpr to pull side-effects out of expressions
(previously done in untrusted Caml code in cparser/)
- Csharpminor: added temporary variables to match Clight.
- Cminorgen: adapted, removed cast optimization (moved to back-end)
- CastOptim: RTL-level optimization of casts
- cparser: transformations Bitfields, StructByValue and StructAssign
now work on non-simplified expressions
- Added pretty-printers for several intermediate languages,
and matching -dxxx command-line flags.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1467 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1418 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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AST: add ef_inline flag to external functions.
Selection: recognize calls to inlined built-ins and inline them as Sbuiltin.
CminorSel to Asm: added Sbuiltin/Ibuiltin instruction.
PrintAsm: adapted expansion of builtins.
C2Clight: adapted detection of builtins.
Conventions: refactored in a machine-independent part (backend/Conventions)
and a machine-dependent part (ARCH/SYS/Conventions1).
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1356 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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in file lib/Axioms.v.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1354 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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*/PrintAsm.ml: watch out for large stack frames in Pallocframe.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1349 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1346 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Revised handling of volatile reads: the execution environment
dictates the value read, via the trace of events.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1345 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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