On 03/08/18 23:44, Sandra Loosemore wrote: > I've checked in this patch to fix the c-c++-common/spec-barrier-1.c test > failure on nios2. Per previous discussions about Spectre > vulnerabilities with Altera/Intel, this architecture is not affected so > no special handling is required here. > > -Sandra > > gcc.log > > > 2018-08-03 Sandra Loosemore <san...@codesourcery.com> > > gcc/ > * config/nios2/nios2.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): > Define. >
I nearly missed this patch for my accumulated back-porting list since it didn't have the PR number in it. Just adding it so that I can track things properly. The original commit landed as r263301. R. > > gcc.patch > > > Index: gcc/config/nios2/nios2.c > =================================================================== > --- gcc/config/nios2/nios2.c (revision 263298) > +++ gcc/config/nios2/nios2.c (working copy) > @@ -5572,6 +5572,9 @@ nios2_adjust_reg_alloc_order (void) > #undef TARGET_CONSTANT_ALIGNMENT > #define TARGET_CONSTANT_ALIGNMENT constant_alignment_word_strings > > +#undef TARGET_HAVE_SPECULATION_SAFE_VALUE > +#define TARGET_HAVE_SPECULATION_SAFE_VALUE speculation_safe_value_not_needed > + > struct gcc_target targetm = TARGET_INITIALIZER; > > #include "gt-nios2.h" >
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9d5a23f..e9b764d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -370,6 +370,7 @@ 2018-08-03 Sandra Loosemore <san...@codesourcery.com> + PR target/86799 * config/nios2/nios2.c (TARGET_HAVE_SPECULATION_SAFE_VALUE): Define.
