llvm/flang/lib at 8aa64edb34ec6b30e1e7d0dbcc86236a6290eb0c - llvm

intel/llvm

mirror of https://github.com/intel/llvm.git synced 2026-01-19 09:31:59 +08:00

Files

Michael Klemm 8aa64edb34 [Flang] Add -ffast-real-mod and direct code for MOD on REAL types (#160660 )

This patch adds direct code-gen support for a faster MOD intrinsic for
REAL types. Flang has maintained and keeps maintaining a high-precision
implementation of the MOD intrinsic as part of the Fortran runtime. With
the -ffast-real-mod flag, users can opt to avoid calling into the
Fortran runtime, but instead trigger code-gen that produces faster code
by avoiding the runtime call, at the expense of potentially risking bit
cancelation by having the compiler use the MOD formula a specified by
ISO Fortran.

2025-10-02 10:50:05 +02:00