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| author | Richard Kenner <kenner@gcc.gnu.org> | 2001-11-03 10:50:04 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-11-03 10:50:04 -0500 |
| commit | 1285011e67bc94e8ed28b9711ace7445d4588254 (patch) | |
| tree | 72debaad8ba738e2cb6c88c8463e497466353307 /gcc/emit-rtl.c | |
| parent | 343fb4120866d610c7e233f19dfcf2b3322774ca (diff) | |
| download | gcc-1285011e67bc94e8ed28b9711ace7445d4588254.zip gcc-1285011e67bc94e8ed28b9711ace7445d4588254.tar.gz gcc-1285011e67bc94e8ed28b9711ace7445d4588254.tar.bz2 | |
emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a constant expression.
* emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a
constant expression.
(set_mem_decl): New function.
* expr.h (set_mem_decl): New declaration.
* final.c (get_decl_from_op): Don't use ORIGINAL_REGNO if not pseudo.
(output_asm_operand_names): Add tab.
* reload1.c (alter_reg): Set decl of MEM from REG_DECL.
From-SVN: r46733
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 992d604..6186638 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1691,8 +1691,9 @@ set_mem_attributes (ref, t, objectp) MEM_VOLATILE_P (ref) = TYPE_VOLATILE (type); MEM_IN_STRUCT_P (ref) = AGGREGATE_TYPE_P (type); RTX_UNCHANGING_P (ref) - |= (lang_hooks.honor_readonly - && (TYPE_READONLY (type) || TREE_READONLY (t))); + |= ((lang_hooks.honor_readonly + && (TYPE_READONLY (type) || TREE_READONLY (t))) + || (! TYPE_P (t) && TREE_CONSTANT (t))); /* If we are making an object of this type, or if this is a DECL, we know that it is a scalar if the type is not an aggregate. */ @@ -1783,6 +1784,18 @@ set_mem_align (mem, align) MEM_OFFSET (mem), MEM_SIZE (mem), align, GET_MODE (mem)); } + +/* Set the decl for MEM to DECL. */ + +void +set_mem_decl (mem, decl) + rtx mem; + tree decl; +{ + MEM_ATTRS (mem) + = get_mem_attrs (MEM_ALIAS_SET (mem), decl, MEM_OFFSET (mem), + MEM_SIZE (mem), MEM_ALIGN (mem), GET_MODE (mem)); +} /* Return a memory reference like MEMREF, but with its mode changed to MODE and its address changed to ADDR. (VOIDmode means don't change the mode. |