| Commit message (Collapse) | Author | Age | Files | Lines |
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Cexec: record names of rules used in every reduction.
Interp: print these rule names in -trace mode. Also: simplified the exploration in "-all" mode; give unique names to states.
Csem: fix name of reduction rule "red_call".
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configure: special ABI value for IA32/MacOSX and PowerPC/Linux
cparser/Machine: special config for PowerPC/Linux
cparser/StructReturn: generate better code for return-as-int
driver/Clflags, driver/Driver: add options -fstruct-return=<convention>
and -fstruct-passing=<convention> to simplify testing
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The passing of struct/union arguments by value implemented in the verified
part of CompCert is not compatible with the ARM, PowerPC and x86 ABI.
Here we enrich the StructReturn source-to-source emulation pass
so that it implements the calling conventions defined in these ABIs.
Plus: for x86, implement the returning of struct/union results by value
in a way compatible with the ABI.
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- Switch CompCert C / Clight AST of composite types (structs and unions)
from a structural representation to a nominal representation,
closer to concrete syntax.
- This avoids algorithmic inefficiencies due to the structural representation.
- Closes PR#4.
- Smallstep: make small-step semantics more polymorphic in the type of the
global environment.
- Globalenvs: introduce Senv.t (symbol environments) as a restricted view
on Genv.t (full global environments).
- Events, Smallstep: use Senv instead of Genv to talk about global names.
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environments (type Genv.t). Use symbol environments instead of global environments for external functions (module Events).
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Plus: simplify handling of -help and --help.
Plus: error on unrecognized "-xxx" options so that "-foo.c" is not treated
as a source file.
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directory. Use Sys.executable_name instead of Sys.argv.(0).
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definitions). Assorted changes to ia32/Op.v. PowerPC and ARM need updating.
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Restrict pointer event values to public global names.
Update proofs accordingly. PowerPC and ARM need updating.
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For the moment, this field is ignored.
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them off.
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Honor "ccomp -E foo.h" for GCC compatibility.
Accept .o.ext files as object files for GCC compatibility.
Fixed and improved handling of Cminor source files.
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The previous translation (in SimplExpr) produced references to the
same temporary variable with two different types (bool and int),
which is not nice if we want to typecheck the generated Clight.
The new translation avoids this and also gets rid of the double
cast to bool then to int. The trick is to change Eparen
(in CompCert C expressions) to take two types: the type to which the
argument must be converted, and the type with which the resulting
expression is seen.
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for the configuration file.
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including an .ini file parser. The .ini file is generated in the Makefile instead of the Configuration.ml file and parsed on start.
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2572 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2564 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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ARM: various tweaks, incl. support for SDIV and UDIV insns when available.
test/regression/funptr2.c: Thumb does weird things with <function ptr>+1.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2555 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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pseudo-instructions so that it does not need to be re-done in
cchecklink.
cchecklink: updated accordingly.
testsuite: compile with -sdump and run cchecklink if supported.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2553 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2549 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Support single-precision floats as first-class values
- Introduce chunks Many32, Many64 and types Tany32, Tany64 to
support saving and restoring registers without knowing
the exact types (int/single/float) of their contents, just
their sizes.
- Memory model: generalize the opaque encoding of pointers to
apply to any value, not just pointers, if chunks Many32/Many64
are selected.
- More properties of FP arithmetic proved.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2537 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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over booleans.
Select*: more systematic constant propagation; don't CP shifts by amounts outside of [0..31].
Driver: timer for whole compilation.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2452 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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1) Revised division of labor between RTLtyping and Lineartyping:
- RTLtyping no longer keeps track of single-precision floats,
switches from subtype-based inference to unification-based inference.
- Unityping: new library for unification-based inference.
- Locations: don't normalize at assignment in a stack slot
- Allocation, Allocproof: simplify accordingly.
- Lineartyping: add inference of locations that contain
a single-precision float.
- Stackingproof: adapted accordingly.
This addresses a defect report whereas RTLtyping was rejecting code that used a RTL pseudoreg to hold both double- and single-precision floats (see test/regression/singlefloats.c).
This corresponds to commits 2435+2436 plus improvements in Lineartyping.
2) Add -dtimings option to measure compilation times.
Moved call to C parser from Elab to Parse, to make it easier to
measure parsing time independently of elaboration time.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2449 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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missing or has the wrong type.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2433 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Refactored compilation flags that affect the Coq part (module Compopts).
Added support for C99 for loops with declarations.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2410 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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Add CompCert version number and command line as comments in generated asm.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2407 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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arguments.
Test sizeof1: adapt to the fact that alignof(double) is either 4 or 8 depending on platform.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2406 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2405 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Revised printing of intermediate RTL code.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2403 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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(option -funprototyped, on by default).
Error if call to vararg function and -fvararg-calls is off.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2389 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- C function types and Cminor signatures annotated by calling conventions.
esp. vararg / not vararg
- Cshmgen: generate correct code for function call where there are
more arguments than listed in the function prototype. This is
still undefined behavior according to the formal semantics,
but correct code is generated.
- C2C, */PrintAsm.ml: remove "printf$iif" hack.
- powerpc/, checklink/: don't generate stubs for variadic functions.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2386 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2384 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2381 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2374 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Also axiomatize the semantics of inline asm
- In Cexec, revised parameterization over do_external_function
- In Interp.ml, matching changes + suppression of Interp_ext.ml
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2370 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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them.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2369 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2292 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- Define type "block" as "positive" instead of "Z".
- Strengthen mem_unchanged_on so that the permissions are identical,
instead of possibly increasing.
- Move mem_unchanged_on from Events to Memory.Mem.
- Define it in terms of mem_contents rather than in terms of Mem.load.
- ExportClight: try to name temporaries introduced by SimplExpr
- SimplExpr: avoid reusing temporaries between different functions,
instead, thread a single generator through all functions.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2276 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2270 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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- added RTL type "Tsingle"
- ABI-compatible passing of single-precision floats on ARM and x86
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2260 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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with some static analysis tools).
*/PrintAsm.ml: don't cfa_adjust at Pfreeframe, as more code from the function can appear after (in case of tailcalls).
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2256 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2253 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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test/c: added SHA3
cfrontend: support casts between long long and pointers, and comparisons between them.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2213 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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