Replace calls to __builtin_nanX with expression leading to NaN
#79
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michael-schwarz
commented
Feb 16, 2022
sim642
reviewed
Feb 17, 2022
michael-schwarz
changed the base branch from
allow_attributes_comma_decl
to
develop
sim642
approved these changes
Feb 17, 2022
sim642
added a commit
to sim642/opam-repository
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this pull request
Aug 12, 2022
CHANGES: * Wrap library into `GoblintCil` module (goblint/cil#107). * Remove all MSVC support (goblint/cil#52, goblint/cil#88). * Port entire build process from configure/make to dune (goblint/cil#104). * Add C11 `_Generic` support (goblint/cil#48). * Add C11 `_Noreturn` support (goblint/cil#58). * Add C11 `_Static_assert` support (goblint/cil#62). * Add C11 `_Alignof` support (goblint/cil#66). * Add C11 `_Alignas` support (goblint/cil#93, goblint/cil#108). * Add partial C11 `_Atomic` support (goblint/cil#61). * Add `_Float32`, `_Float64`, `_Float32x` and `_Float64x` type support (goblint/cil#8, goblint/cil#60). * Add Universal Character Names, `char16_t` and `char32_t` type support (goblint/cil#80). * Change locations to location spans and add additional expression locations (goblint/cil#51). * Add synthetic marking for CIL-inserted statement locations (goblint/cil#98). * Expose list of files from line control directives (goblint/cil#73). * Add parsed location transformation hook (goblint/cil#89). * Use Zarith for integer constants (goblint/cil#47, goblint/cil#53). * Fix constant folding overflows (goblint/cil#59). * Add option to disable constant branch removal (goblint/cil#103). * Add standalone expression parsing and checking (goblint/cil#97, goblint/cil#96). * Improve inline function merging (goblint/cil#72, goblint/cil#85, goblint/cil#84, goblint/cil#86). * Fix some attribute parsing cases (goblint/cil#71, goblint/cil#75, goblint/cil#76, goblint/cil#77). * Fix global NaN initializers (goblint/cil#78, goblint/cil#79). * Fix `cilly` binary installation (goblint/cil#99, goblint/cil#100, goblint/cil#102). * Remove batteries dependency to support OCaml 5 (goblint/cil#106).
sim642
added a commit
to sim642/opam-repository
that referenced
this pull request
Aug 12, 2022
CHANGES: * Wrap library into `GoblintCil` module (goblint/cil#107). * Remove all MSVC support (goblint/cil#52, goblint/cil#88). * Port entire build process from configure/make to dune (goblint/cil#104). * Add C11 `_Generic` support (goblint/cil#48). * Add C11 `_Noreturn` support (goblint/cil#58). * Add C11 `_Static_assert` support (goblint/cil#62). * Add C11 `_Alignof` support (goblint/cil#66). * Add C11 `_Alignas` support (goblint/cil#93, goblint/cil#108). * Add partial C11 `_Atomic` support (goblint/cil#61). * Add `_Float32`, `_Float64`, `_Float32x` and `_Float64x` type support (goblint/cil#8, goblint/cil#60). * Add Universal Character Names, `char16_t` and `char32_t` type support (goblint/cil#80). * Change locations to location spans and add additional expression locations (goblint/cil#51). * Add synthetic marking for CIL-inserted statement locations (goblint/cil#98). * Expose list of files from line control directives (goblint/cil#73). * Add parsed location transformation hook (goblint/cil#89). * Use Zarith for integer constants (goblint/cil#47, goblint/cil#53). * Fix constant folding overflows (goblint/cil#59). * Add option to disable constant branch removal (goblint/cil#103). * Add standalone expression parsing and checking (goblint/cil#97, goblint/cil#96). * Improve inline function merging (goblint/cil#72, goblint/cil#85, goblint/cil#84, goblint/cil#86). * Fix some attribute parsing cases (goblint/cil#71, goblint/cil#75, goblint/cil#76, goblint/cil#77). * Fix global NaN initializers (goblint/cil#78, goblint/cil#79). * Fix `cilly` binary installation (goblint/cil#99, goblint/cil#100, goblint/cil#102). * Remove batteries dependency to support OCaml 5 (goblint/cil#106).
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Fixes #78, by replacing calls to
__builtin_nanXwhich may not appear in locations where we expect a constant value, e.g. global initializers, with the expression0./0.which will yield NaN (on any sensible machine).Needed for goblint/bench#14