diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 513a79405f3..c0e9efb81da 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,22 +1,29 @@ -2013-02-08 Edgar E. Iglesias +2013-02-08 Uros Bizjak - * config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT - (microblaze*-*-elf): Likewise - * config/microblaze/linux.h: Add -mbig-endian / -mlittle-endian to - LINK_SPEC - * config/microblaze/microblaze-c.c: Add builtin defines for _LITTLE_ENDIAN - and _BIG_ENDIAN - * config/microblaze/microblaze.h: Add TARGET_ENDIAN_DEFAULT and add to - TARGET_DEFAULT flags. + * config/i386/gnu-user.h (TARGET_CAN_SPLIT_STACK): Define only + when HAVE_GAS_CFI_PERSONALITY_DIRECTIVE is set. + * config/i386/gnu-user64.h (TARGET_CAN_SPLIT_STACK): Ditto. + +2013-02-08 Edgar E. Iglesias + + * config.gcc (microblaze*-linux*): Add TARGET_BIG_ENDIAN_DEFAULT. + (microblaze*-*-elf): Likewise. + * config/microblaze/linux.h: Add -mbig-endian / -mlittle-endian to + LINK_SPEC. + * config/microblaze/microblaze-c.c: Add builtin defines for + _LITTLE_ENDIAN and _BIG_ENDIAN. + * config/microblaze/microblaze.h: Add TARGET_ENDIAN_DEFAULT and + add to TARGET_DEFAULT flags. Expand ASM_SPEC and LINK_SPEC. - Update BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN - * config/microblaze/microblaze.md: Update extendsidi2 and movdi_internal - instructions to use low-order / high-order reg print_operands - * config/microblaze/microblaze.opt: Add mbig-endian and mlittle-endian - options and inversemask / mask of LITTLE_ENDIAN - * config/microblaze/t-microblaze: Expand multilib options to include mlittle- - endian (le) and update exceptions patterns - + Update BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN. + * config/microblaze/microblaze.md: Update extendsidi2 and + movdi_internal instructions to use low-order / high-order reg + print_operands. + * config/microblaze/microblaze.opt: Add mbig-endian and mlittle-endian + options and inversemask / mask of LITTLE_ENDIAN. + * config/microblaze/t-microblaze: Expand multilib options to + include mlittle-endian (le) and update exceptions patterns. + 2013-02-08 Jakub Jelinek PR rtl-optimization/56195 diff --git a/gcc/config/i386/gnu-user.h b/gcc/config/i386/gnu-user.h index 88f5f37ca13..c93d9757d50 100644 --- a/gcc/config/i386/gnu-user.h +++ b/gcc/config/i386/gnu-user.h @@ -154,7 +154,11 @@ along with GCC; see the file COPYING3. If not see /* i386 glibc provides __stack_chk_guard in %gs:0x14. */ #define TARGET_THREAD_SSP_OFFSET 0x14 -/* We steal the last transactional memory word. */ +/* We only build the -fsplit-stack support in libgcc if the + assembler has full support for the CFI directives. */ +#if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE #define TARGET_CAN_SPLIT_STACK +#endif +/* We steal the last transactional memory word. */ #define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30 #endif diff --git a/gcc/config/i386/gnu-user64.h b/gcc/config/i386/gnu-user64.h index 2963db08dcd..952bb5b475c 100644 --- a/gcc/config/i386/gnu-user64.h +++ b/gcc/config/i386/gnu-user64.h @@ -85,8 +85,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define TARGET_THREAD_SSP_OFFSET \ (TARGET_64BIT ? (TARGET_X32 ? 0x18 : 0x28) : 0x14) -/* We steal the last transactional memory word. */ +/* We only build the -fsplit-stack support in libgcc if the + assembler has full support for the CFI directives. */ +#if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE #define TARGET_CAN_SPLIT_STACK +#endif +/* We steal the last transactional memory word. */ #define TARGET_THREAD_SPLIT_STACK_OFFSET \ (TARGET_64BIT ? (TARGET_X32 ? 0x40 : 0x70) : 0x30) #endif