Summary: | sys-devel/gcc-6.4.0-r1 does not recognize -fdec-math option | ||
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Product: | Gentoo Linux | Reporter: | lumbrius |
Component: | Current packages | Assignee: | Gentoo Toolchain Maintainers <toolchain> |
Status: | RESOLVED INVALID | ||
Severity: | normal | ||
Priority: | Normal | ||
Version: | unspecified | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Package list: | Runtime testing required: | --- |
Description
lumbrius
2018-03-27 12:54:10 UTC
USE flags: Installed versions: 6.4.0-r1(6.4.0)^s(12时52分59秒 2018年03月27日)(cxx fortran multilib nls nptl openmp pch pie sanitize ssp vtv -altivec -awt -cilk -debug -doc -fixed-point -gcj -go -graphite -hardened -jit -libssp -mpx -objc -objc++ -objc-gc -pgo -regression-test -vanilla) The manual you refer to describes GCC 7, wherein -fdec-math was introduced. https://gcc.gnu.org/gcc-7/changes.html Support for a number of extensions for compatibility with legacy code with new flags: -fdec-structure Support for DEC STRUCTURE and UNION -fdec-intrinsic-ints Support for new integer intrinsics with B/I/J/K prefixes such as BABS, JIAND... -fdec-math Support for additional math intrinsics, including COTAN and degree-valued trigonometric functions such as TAND, ASIND... -fdec Enable the -fdec-* family of extensions. |