diff options
Diffstat (limited to 'system/gcc/007_all_alpha-mieee-default.patch')
| -rw-r--r-- | system/gcc/007_all_alpha-mieee-default.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/system/gcc/007_all_alpha-mieee-default.patch b/system/gcc/007_all_alpha-mieee-default.patch new file mode 100644 index 000000000..560c2cc45 --- /dev/null +++ b/system/gcc/007_all_alpha-mieee-default.patch @@ -0,0 +1,48 @@ +Since we have interest in an eventual Alpha port, it seems good to add this +patch to our patchset now. The original patch comes from Gentoo, and like +them, we would like to see packages behave consistently across our various +architectures. + +Original Gentoo patch content follows. + +-- + +Set the default behavior on alpha to use -mieee since the large majority of +time we want this (bad/weird things can happen with packages built without +it). + +To satisfy those people who may not want -mieee forced on them all the time, +we also provide -mno-ieee. + +Patch by Mike Frysinger <vapier@gentoo.org> + +Note: upstream doesn't want to take this due to long standing behavior, and +because it'd make behavior across OS's inconsistent: + https://gcc.gnu.org/ml/gcc-patches/2003-07/msg02144.html + +This makes sense for upstream, but Gentoo is more concerned about packages +behaving the same across arches under Linux. + +--- a/gcc/config/alpha/alpha.h ++++ b/gcc/config/alpha/alpha.h +@@ -94,6 +94,8 @@ along with GCC; see the file COPYING3. If not see + while (0) + #endif + ++#define CPP_SPEC "%{!no-ieee:-mieee}" ++ + /* Run-time compilation parameters selecting different hardware subsets. */ + + /* Which processor to schedule for. The cpu attribute defines a list that +--- a/gcc/config/alpha/alpha.opt ++++ b/gcc/config/alpha/alpha.opt +@@ -35,7 +35,7 @@ + Request IEEE-conformant math library routines (OSF/1). + + mieee +-Target RejectNegative Mask(IEEE) ++Target Mask(IEEE) + Emit IEEE-conformant code, without inexact exceptions. + + mieee-with-inexact + |