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| author | Kazu Hirata <kazu@codesourcery.com> | 2007-09-01 18:55:48 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2007-09-01 18:55:48 +0000 |
| commit | 8785d88cf18403b3f36973820c42ab4990c7a4c5 (patch) | |
| tree | c214bfd353e0500acfe289374e68aa2cf6f87411 /gcc/config/m68k | |
| parent | 755478019ac28552396592d63b2e1ffeeaa24206 (diff) | |
| download | gcc-8785d88cf18403b3f36973820c42ab4990c7a4c5.zip gcc-8785d88cf18403b3f36973820c42ab4990c7a4c5.tar.gz gcc-8785d88cf18403b3f36973820c42ab4990c7a4c5.tar.bz2 | |
m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
* config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
(override_options): Turn on -mstrict-align on non-ColdFire
targets.
* config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
From-SVN: r128015
Diffstat (limited to 'gcc/config/m68k')
| -rw-r--r-- | gcc/config/m68k/m68k.c | 7 | ||||
| -rw-r--r-- | gcc/config/m68k/m68k.h | 3 |
2 files changed, 6 insertions, 4 deletions
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index f1f09bc..76d765e72 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -185,8 +185,6 @@ int m68k_last_compare_had_fp_operands; #undef TARGET_ASM_FILE_START_APP_OFF #define TARGET_ASM_FILE_START_APP_OFF true -#undef TARGET_DEFAULT_TARGET_FLAGS -#define TARGET_DEFAULT_TARGET_FLAGS MASK_STRICT_ALIGNMENT #undef TARGET_HANDLE_OPTION #define TARGET_HANDLE_OPTION m68k_handle_option @@ -510,6 +508,11 @@ override_options (void) /* Use the architecture setting to derive default values for certain flags. */ target_mask = 0; + + /* ColdFire is lenient about alignment. */ + if (!TARGET_COLDFIRE) + target_mask |= MASK_STRICT_ALIGNMENT; + if ((m68k_cpu_flags & FL_BITFIELD) != 0) target_mask |= MASK_BITFIELD; if ((m68k_cpu_flags & FL_CF_HWDIV) != 0) diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h index a5f6eed..96756f3 100644 --- a/gcc/config/m68k/m68k.h +++ b/gcc/config/m68k/m68k.h @@ -305,8 +305,7 @@ along with GCC; see the file COPYING3. If not see /* No data type wants to be aligned rounder than this. Most published ABIs say that ints should be aligned on 16-bit boundaries, but CPUs with 32-bit busses get better performance - aligned on 32-bit boundaries. ColdFires without a misalignment - module require 32-bit alignment. */ + aligned on 32-bit boundaries. */ #define BIGGEST_ALIGNMENT (TARGET_ALIGN_INT ? 32 : 16) #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGNMENT) |