RFR: 8295159: DSO created with -ffast-math breaks Java floating-point arithmetic [v9]

[Andrew Haley]

On Thu, 12 Oct 2023 09:23:08 GMT, Florian Weimer <fweimer at openjdk.org> wrote:

>> Andrew Haley has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add TestDenormalDouble.java
>
> test/hotspot/jtreg/compiler/floatingpoint/libfast-math.c line 37:
> 
>> 35: 
>> 36: #if defined(__GNUC__)
>> 37: static void __attribute__((constructor)) set_flush_to_zero(void) {
> 
> Maybe add a comment that the ELF constructor is there to mimic historic GCC `-ffast-math` behavior on compilers that have been fixed not to do this for `-shared`?

OK.

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PR Review Comment: https://git.openjdk.org/jdk/pull/10661#discussion_r1356953215