[Bug target/116979] [12/13/14/15 regression] fma not always used in complex product

2024-10-26 Thread paul at hpkfft dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116979 --- Comment #9 from Paul Caprioli --- I would like to offer two suggestions for your consideration: 1. For the reason of improving accuracy, the mul_fma code should be generated for complex operator* regardless of how the flag -ffp-contract is

[Bug target/117163] Missing macro to round to nearest floating-point value

2024-10-19 Thread paul at hpkfft dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117163 --- Comment #6 from Paul Caprioli --- One day, those older compilers will be considered ancient. Code written using AVX512 intrinsics isn't the most portable anyway, and programmers are always able to define their own macros (or just type a 0)

[Bug target/117163] Missing macro to round to nearest floating-point value

2024-10-15 Thread paul at hpkfft dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117163 --- Comment #3 from Paul Caprioli --- Note that this is not for me; it's for everybody else. The idea is for this to be the standard macro for specifying the IEEE rounding to nearest attribute `roundTiesToEven`. My contacts at Intel tell me the

[Bug preprocessor/117163] New: Missing macro to round to nearest floating-point value

2024-10-15 Thread paul at hpkfft dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117163 Bug ID: 117163 Summary: Missing macro to round to nearest floating-point value Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Comp