diff options
Diffstat (limited to 'gcc-4.8/gcc/config/arm/arm.h')
| -rw-r--r-- | gcc-4.8/gcc/config/arm/arm.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/gcc-4.8/gcc/config/arm/arm.h b/gcc-4.8/gcc/config/arm/arm.h index 478a3d7c8..b7cf352ba 100644 --- a/gcc-4.8/gcc/config/arm/arm.h +++ b/gcc-4.8/gcc/config/arm/arm.h @@ -1213,9 +1213,13 @@ enum reg_class VFPv2. In big-endian mode, modes greater than word size (i.e. DFmode) are stored in VFP registers in little-endian order. We can't describe that accurately to - GCC, so avoid taking subregs of such values. */ + GCC, so avoid taking subregs of such values. + The only exception is going from a 128-bit to a 64-bit type. In that case + the data layout happens to be consistent for big-endian, so we explicitly allow + that case. */ #define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ (TARGET_VFP && TARGET_BIG_END \ + && !(GET_MODE_SIZE (FROM) == 16 && GET_MODE_SIZE (TO) == 8) \ && (GET_MODE_SIZE (FROM) > UNITS_PER_WORD \ || GET_MODE_SIZE (TO) > UNITS_PER_WORD) \ && reg_classes_intersect_p (VFP_REGS, (CLASS))) @@ -2140,14 +2144,9 @@ extern int making_const_table; #undef ASM_OUTPUT_BEFORE_CASE_LABEL #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) /* Empty. */ -/* Make sure subsequent insns are aligned after a TBB. */ -#define ASM_OUTPUT_CASE_END(FILE, NUM, JUMPTABLE) \ - do \ - { \ - if (GET_MODE (PATTERN (JUMPTABLE)) == QImode) \ - ASM_OUTPUT_ALIGN (FILE, 1); \ - } \ - while (0) +#define LABEL_ALIGN_AFTER_BARRIER(LABEL) \ + (GET_CODE (PATTERN (prev_active_insn (LABEL))) == ADDR_DIFF_VEC \ + ? 1 : 0) #define ARM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \ do \ |