diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.h')
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 0a209b6..a64d682 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -742,6 +742,7 @@ extern const char *rs6000_warn_altivec_long_switch; that the object would ordinarily have. */ #define LOCAL_ALIGNMENT(TYPE, ALIGN) \ ((TARGET_ALTIVEC && TREE_CODE (TYPE) == VECTOR_TYPE) ? 128 : \ + (TARGET_E500_DOUBLE && TYPE_MODE (TYPE) == DFmode) ? 64 : \ (TARGET_SPE && TREE_CODE (TYPE) == VECTOR_TYPE) ? 64 : ALIGN) /* Alignment of field after `int : 0' in a structure. */ @@ -774,9 +775,11 @@ extern const char *rs6000_warn_altivec_long_switch; : (ALIGN)) /* Make arrays of chars word-aligned for the same reasons. - Align vectors to 128 bits. */ + Align vectors to 128 bits. Align SPE vectors and E500 v2 doubles to + 64 bits. */ #define DATA_ALIGNMENT(TYPE, ALIGN) \ (TREE_CODE (TYPE) == VECTOR_TYPE ? (TARGET_SPE_ABI ? 64 : 128) \ + : (TARGET_E500_DOUBLE && TYPE_MODE (TYPE) == DFmode) ? 64 \ : TREE_CODE (TYPE) == ARRAY_TYPE \ && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) @@ -1433,6 +1436,8 @@ enum reg_class ? 0 \ : GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \ ? reg_classes_intersect_p (FLOAT_REGS, CLASS) \ + : (TARGET_E500_DOUBLE && (((TO) == DFmode) + ((FROM) == DFmode)) == 1) \ + ? reg_classes_intersect_p (GENERAL_REGS, CLASS) \ : (TARGET_SPE && (SPE_VECTOR_MODE (FROM) + SPE_VECTOR_MODE (TO)) == 1) \ ? reg_classes_intersect_p (GENERAL_REGS, CLASS) \ : 0) |