diff options
| -rw-r--r-- | gcc/ChangeLog | 23 | ||||
| -rw-r--r-- | gcc/expr.c | 29 |
2 files changed, 35 insertions, 17 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 42fe52b..8c48b71 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,18 +1,21 @@ Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru> - * config/avr/avr.md ("mcu_enhanced"): New attribute. - ("mcu_mega"): Likewise. - ("extendhisi2"): Use "mcu_enhanced". - ("zero_extendhisi2"): Likewise. - ("call_insn"): Use "mcu_enhanced" and "mcu_mega". - ("call_value_insn"): Likewise. - ("*sbrx_branch"): Use "mcu_mega". - ("*sbrx_and_branchsi"): Likewise. - ("*sbrx_and_branchhi"): Likewise. - ("*tablejump_lib"): Likewise. + * config/avr/avr.md (mcu_enhanced): New attribute. + (mcu_mega): Likewise. + (extendhisi2): Use mcu_enhanced. + (zero_extendhisi2): Likewise. + (call_insn): Use mcu_enhanced and mcu_mega. + (call_value_insn): Likewise. + (*sbrx_branch): Use mcu_mega. + (*sbrx_and_branchsi): Likewise. + (*sbrx_and_branchhi): Likewise. + (*tablejump_lib): Likewise. Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + * expr.c (store_constructor_field): Accept ALIAS_SET arg. + (store_constructor): Pass alias_set to it. + * c-decl.c (grokdeclarator): Reorder tests to avoid looking at TYPE_MAIN_VARIANT of ERROR_MARK. * c-lex.c (readescape): Avoid using printf syntax we don't recognize. @@ -166,7 +166,8 @@ static int is_zeros_p PARAMS ((tree)); static int mostly_zeros_p PARAMS ((tree)); static void store_constructor_field PARAMS ((rtx, unsigned HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode, - tree, tree, unsigned int, int)); + tree, tree, unsigned int, int, + int)); static void store_constructor PARAMS ((tree, rtx, unsigned int, int, HOST_WIDE_INT)); static rtx store_field PARAMS ((rtx, HOST_WIDE_INT, @@ -4175,6 +4176,7 @@ mostly_zeros_p (exp) TARGET, BITSIZE, BITPOS, MODE, EXP are as for store_field. TYPE is the type of the CONSTRUCTOR, not the element type. ALIGN and CLEARED are as for store_constructor. + ALIAS_SET is the alias set to use for any stores. This provides a recursive shortcut back to store_constructor when it isn't necessary to go through store_field. This is so that we can pass through @@ -4183,7 +4185,7 @@ mostly_zeros_p (exp) static void store_constructor_field (target, bitsize, bitpos, - mode, exp, type, align, cleared) + mode, exp, type, align, cleared, alias_set) rtx target; unsigned HOST_WIDE_INT bitsize; HOST_WIDE_INT bitpos; @@ -4191,6 +4193,7 @@ store_constructor_field (target, bitsize, bitpos, tree exp, type; unsigned int align; int cleared; + int alias_set; { if (TREE_CODE (exp) == CONSTRUCTOR && bitpos % BITS_PER_UNIT == 0 @@ -4208,11 +4211,13 @@ store_constructor_field (target, bitsize, bitpos, ? BLKmode : VOIDmode, plus_constant (XEXP (target, 0), bitpos / BITS_PER_UNIT)); + + MEM_ALIAS_SET (target) = alias_set; store_constructor (exp, target, align, cleared, bitsize / BITS_PER_UNIT); } else store_field (target, bitsize, bitpos, mode, exp, VOIDmode, 0, align, - int_size_in_bytes (type), 0); + int_size_in_bytes (type), alias_set); } /* Store the value of constructor EXP into the rtx TARGET. @@ -4411,7 +4416,10 @@ store_constructor (exp, target, align, cleared, size) } #endif store_constructor_field (to_rtx, bitsize, bitpos, mode, - TREE_VALUE (elt), type, align, cleared); + TREE_VALUE (elt), type, align, cleared, + DECL_NONADDRESSABLE_P (field) + ? MEM_ALIAS_SET (to_rtx) + : get_alias_set (TREE_TYPE (field))); } } else if (TREE_CODE (type) == ARRAY_TYPE) @@ -4547,8 +4555,11 @@ store_constructor (exp, target, align, cleared, size) for (; lo <= hi; lo++) { bitpos = lo * tree_low_cst (TYPE_SIZE (elttype), 0); - store_constructor_field (target, bitsize, bitpos, mode, - value, type, align, cleared); + store_constructor_field + (target, bitsize, bitpos, mode, value, type, align, + cleared, + TYPE_NONALIASED_COMPONENT (type) + ? MEM_ALIAS_SET (target) : get_alias_set (elttype)); } } else @@ -4636,7 +4647,11 @@ store_constructor (exp, target, align, cleared, size) bitpos = (i * tree_low_cst (TYPE_SIZE (elttype), 1)); store_constructor_field (target, bitsize, bitpos, mode, value, - type, align, cleared); + type, align, cleared, + TYPE_NONALIASED_COMPONENT (type) + ? MEM_ALIAS_SET (target) : + get_alias_set (elttype)); + } } } |