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| author | Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> | 2016-03-07 09:51:31 +0000 |
|---|---|---|
| committer | Rainer Orth <ro@gcc.gnu.org> | 2016-03-07 09:51:31 +0000 |
| commit | 41604008c050f35dbc4d9280814843d46feb447e (patch) | |
| tree | e9a99a94c5a3c78d083b55ac8ad1ab47fc77303f | |
| parent | 4145a9b715cbb4db1dd2555cc8e20bae247a6b72 (diff) | |
| download | gcc-41604008c050f35dbc4d9280814843d46feb447e.zip gcc-41604008c050f35dbc4d9280814843d46feb447e.tar.gz gcc-41604008c050f35dbc4d9280814843d46feb447e.tar.bz2 | |
Only assume 4-byte stack alignment on 32-bit Solaris/x86 (PR target/62281)
PR target/62281
* config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
From-SVN: r234022
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/sol2.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2b55498..a797dfa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-03-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + PR target/62281 + * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define. + 2016-03-05 Venkataramanan Kumar <Venkataramanan.kumar@amd.com> * config/i386/i386.c (znver1_cost): Fix Multiply cost. diff --git a/gcc/config/i386/sol2.h b/gcc/config/i386/sol2.h index 51d1c55..e56e554 100644 --- a/gcc/config/i386/sol2.h +++ b/gcc/config/i386/sol2.h @@ -21,6 +21,11 @@ along with GCC; see the file COPYING3. If not see #define SUBTARGET_OPTIMIZATION_OPTIONS \ { OPT_LEVELS_1_PLUS, OPT_momit_leaf_frame_pointer, NULL, 1 } +/* 32-bit Solaris/x86 only guarantees 4-byte stack alignment as required by + the i386 psABI, so realign it as necessary for SSE instructions. */ +#undef STACK_REALIGN_DEFAULT +#define STACK_REALIGN_DEFAULT (TARGET_64BIT ? 0 : 1) + /* Old versions of the Solaris assembler can not handle the difference of labels in different sections, so force DW_EH_PE_datarel if so. */ #ifndef HAVE_AS_IX86_DIFF_SECT_DELTA |