On Thu, 25 Dec 2025, 08:40 Xin Wang via Gcc, <[email protected]> wrote:
> From: Xin Wang <[email protected]> > > The use of UOItype with mode(OI) for 16-byte atomic operations is > non-standard. The OI mode is not defined in machmode.def and exists > only as an ad-hoc construct in libgcc/sync.c. > > This patch replaces it with UTItype using mode(TI), which is the > standard GCC machine mode for 16-byte integers (Tetra Integer). > The size argument is also corrected from 8 to 16 to match the actual > operand width. > --- > libgcc/ChangeLog | 5 +++++ > libgcc/sync.c | 4 ++-- > 2 files changed, 7 insertions(+), 2 deletions(-) > > diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog > index 6ac5fd5c078..513cb4e143e 100644 > --- a/libgcc/ChangeLog > +++ b/libgcc/ChangeLog > @@ -1,3 +1,8 @@ > +2025-12-25 Xin Wang <[email protected]> > + > + * sync.c: Replace UOItype with UTItype and use mode(TI) > + Pass 16, not 8, to DEFINE macro. > ChangeLog entries should be part of the git commit message and will be automatically added to the ChangeLog file. Do not edit ChangeLog files directly, and do not include edits to them in the patch. Also, patches should be sent to the gcc-patches list not to the gcc list. + > 2025-12-15 Peter Damianov <[email protected]> > > * config/score/crti.S: Delete. > diff --git a/libgcc/sync.c b/libgcc/sync.c > index f2d35ecf1e0..a94482a0864 100644 > --- a/libgcc/sync.c > +++ b/libgcc/sync.c > @@ -151,8 +151,8 @@ DEFINE (FN, 8, UDItype) > > #elif SIZE == 16 && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 > > -typedef unsigned int UOItype __attribute__((mode (OI))); > -DEFINE (FN, 8, UOItype) > +typedef unsigned int UTItype __attribute__((mode (TI))); > +DEFINE (FN, 16, UTItype) > > #endif > > -- > 2.34.1 > >
