| Commit message (Collapse) | Author | Age | Files | Lines |
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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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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@1471 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@1372 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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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1338 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1333 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1332 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Attempt coalescing between stack-allocated variables.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1331 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Those moves are not always coalesced during coloring. The resulting
smaller RTL code also reduces the load on the rest of the back-end.
RTLgenspec.v: use spiffy saturateTrans tactic to speed up proof search.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1330 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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CPragmas (PPC/EABI only): add #pragma reserve_register
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1314 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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correctness, but this way temporaries that have preferences but no interferences do not fall in the default case of Coloring.alloc_of_coloring. This used to create uncoalesced moves esp. on Arm.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1299 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1296 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1287 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Revised memory model with concrete representation of ints & floats,
and per-byte access permissions
- Revised Globalenvs implementation
- Matching changes in all languages and proofs.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1282 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1269 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1228 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1220 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1200 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Introduced Int.iwordsize and used it in place of "Int.repr 32" or
"Int.repr (Z_of_nat wordsize)".
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1182 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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accessing the table
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1172 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1171 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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nodes a la Appel and George.
Maps: in PTree.combine, compress useless subtrees.
Lattice: more efficient implementation of LPMap.
Makefile: build profiling version
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1139 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1130 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1128 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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and a machine-independent part.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1126 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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a machine-independent part.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1125 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Kildall: simplified the interface
Constprop, CSE, Allocation, Linearize: updated for the new Kildall
RTL, LTL: removed the well-formedness condition on the CFG,
it is no longer necessary with the new Kildall and it is problematic
for validated optimizations.
Maps: more efficient implementation of PTree.fold.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1124 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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and reactive divergence. As a consequence:
- Removed the Enilinf constructor from traceinf (values of traceinf
type are always infinite traces).
- Traces are now uniquely defined.
- Adapted proofs big step -> small step for Clight and Cminor accordingly.
- Strengthened results in driver/Complements accordingly.
- Added common/Determinism to collect generic results about
deterministic semantics.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1123 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1121 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1120 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1119 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1076 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1015 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1001 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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file systems. Replaced CList by CoqList and likewise for CString and CInt. Removed useless references to CList in hand-written Caml code.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@951 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@946 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- In Cminor and below, removed pointer validity check in semantics of
comparisons, so that evaluation of expressions is independent of
memory state.
- In Cminor and below, removed "alloc" instruction.
- Cleaned up commented-away parts.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@945 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@944 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@938 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Started to merge the ARM code generator.
Started to add support for PowerPC/EABI.
Use ocamlbuild to construct executable from Caml files.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@930 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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lib/Integers.v: added more properties for ARM port.
lib/Coqlib.v: added more properties for division and powers of 2.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@928 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@925 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@706 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@702 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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