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Make math-mode=fast no op, it's too dangerous #41638

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merged 4 commits into from
Apr 14, 2022
Merged

Make math-mode=fast no op, it's too dangerous #41638

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1f6426a
Make math-mode=fast no op, it's too dangerous
PallHaraldsson Jul 19, 2021
d823ed8
Wanted fix, and unwanted "broken" option" gone
PallHaraldsson Mar 31, 2022
5ddb170
For consistency with other file
PallHaraldsson Mar 31, 2022
e9345bd
Merge branch 'master' into patch-2
oscardssmith Mar 31, 2022
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3 changes: 1 addition & 2 deletions src/jloptions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,6 @@ static const char opts[] =
#ifdef USE_POLLY
" --polly={yes*|no} Enable or disable the polyhedral optimizer Polly (overrides @polly declaration)\n"
#endif
" --math-mode={ieee,fast} Disallow or enable unsafe floating point optimizations (overrides @fastmath declaration)\n\n"

// instrumentation options
" --code-coverage[={none*|user|all}]\n"
Expand Down Expand Up @@ -692,7 +691,7 @@ JL_DLLEXPORT void jl_parse_opts(int *argcp, char ***argvp)
if (!strcmp(optarg,"ieee"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_OFF;
else if (!strcmp(optarg,"fast"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_ON;
jl_options.fast_math = JL_OPTIONS_FAST_MATH_DEFAULT;
else if (!strcmp(optarg,"user"))
jl_options.fast_math = JL_OPTIONS_FAST_MATH_DEFAULT;
else
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2 changes: 1 addition & 1 deletion test/cmdlineargs.jl
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Expand Up @@ -510,7 +510,7 @@ let exename = `$(Base.julia_cmd()) --startup-file=no --color=no`
@test parse(Int,readchomp(`$exename --math-mode=ieee -E
"Int(Base.JLOptions().fast_math)"`)) == JL_OPTIONS_FAST_MATH_OFF
@test parse(Int,readchomp(`$exename --math-mode=fast -E
"Int(Base.JLOptions().fast_math)"`)) == JL_OPTIONS_FAST_MATH_ON
"Int(Base.JLOptions().fast_math)"`)) == JL_OPTIONS_FAST_MATH_DEFAULT
end

# --worker takes default / custom as argument (default/custom arguments
Expand Down