diff options
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 58 |
1 files changed, 38 insertions, 20 deletions
diff --git a/gcc/expr.h b/gcc/expr.h index 17f09b19a81..fb7c61dcae3 100644 --- a/gcc/expr.h +++ b/gcc/expr.h @@ -75,23 +75,30 @@ struct args_size /* Add the value of the tree INC to the `struct args_size' TO. */ -#define ADD_PARM_SIZE(TO, INC) \ -{ tree inc = (INC); \ - if (host_integerp (inc, 0)) \ - (TO).constant += tree_low_cst (inc, 0); \ - else if ((TO).var == 0) \ - (TO).var = inc; \ - else \ - (TO).var = size_binop (PLUS_EXPR, (TO).var, inc); } - -#define SUB_PARM_SIZE(TO, DEC) \ -{ tree dec = (DEC); \ - if (host_integerp (dec, 0)) \ - (TO).constant -= tree_low_cst (dec, 0); \ - else if ((TO).var == 0) \ - (TO).var = size_binop (MINUS_EXPR, ssize_int (0), dec); \ - else \ - (TO).var = size_binop (MINUS_EXPR, (TO).var, dec); } +#define ADD_PARM_SIZE(TO, INC) \ +do { \ + tree inc = (INC); \ + if (host_integerp (inc, 0)) \ + (TO).constant += tree_low_cst (inc, 0); \ + else if ((TO).var == 0) \ + (TO).var = convert (ssizetype, inc); \ + else \ + (TO).var = size_binop (PLUS_EXPR, (TO).var, \ + convert (ssizetype, inc)); \ +} while (0) + +#define SUB_PARM_SIZE(TO, DEC) \ +do { \ + tree dec = (DEC); \ + if (host_integerp (dec, 0)) \ + (TO).constant -= tree_low_cst (dec, 0); \ + else if ((TO).var == 0) \ + (TO).var = size_binop (MINUS_EXPR, ssize_int (0), \ + convert (ssizetype, dec)); \ + else \ + (TO).var = size_binop (MINUS_EXPR, (TO).var, \ + convert (ssizetype, dec)); \ +} while (0) /* Convert the implicit sum in a `struct args_size' into a tree of type ssizetype. */ @@ -333,7 +340,6 @@ extern rtx get_condition PARAMS ((rtx, rtx *)); extern rtx gen_cond_trap PARAMS ((enum rtx_code, rtx, rtx, rtx)); /* Functions from builtins.c: */ -#ifdef TREE_CODE extern rtx expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int)); extern void std_expand_builtin_va_start PARAMS ((int, tree, rtx)); extern rtx std_expand_builtin_va_arg PARAMS ((tree, tree)); @@ -341,12 +347,11 @@ extern rtx expand_builtin_va_arg PARAMS ((tree, tree)); extern void default_init_builtins PARAMS ((void)); extern rtx default_expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int)); -#endif - extern void expand_builtin_setjmp_setup PARAMS ((rtx, rtx)); extern void expand_builtin_setjmp_receiver PARAMS ((rtx)); extern void expand_builtin_longjmp PARAMS ((rtx, rtx)); extern rtx expand_builtin_saveregs PARAMS ((void)); +extern void expand_builtin_trap PARAMS ((void)); extern HOST_WIDE_INT get_varargs_alias_set PARAMS ((void)); extern HOST_WIDE_INT get_frame_alias_set PARAMS ((void)); extern void record_base_value PARAMS ((unsigned int, rtx, int)); @@ -543,6 +548,10 @@ extern unsigned int case_values_threshold PARAMS ((void)); /* Return an rtx for the size in bytes of the value of an expr. */ extern rtx expr_size PARAMS ((tree)); +/* Return a wide integer for the size in bytes of the value of EXP, or -1 + if the size can vary or is larger than an integer. */ +extern HOST_WIDE_INT int_expr_size PARAMS ((tree)); + extern rtx lookup_static_chain PARAMS ((tree)); /* Convert a stack slot address ADDR valid in function FNDECL @@ -603,6 +612,9 @@ extern void set_mem_expr PARAMS ((rtx, tree)); /* Set the offset for MEM to OFFSET. */ extern void set_mem_offset PARAMS ((rtx, rtx)); +/* Set the size for MEM to SIZE. */ +extern void set_mem_size PARAMS ((rtx, rtx)); + /* 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. @@ -665,6 +677,12 @@ extern void maybe_set_unchanging PARAMS ((rtx, tree)); corresponding to REF, set the memory attributes. OBJECTP is nonzero if we are making a new object of this type. */ extern void set_mem_attributes PARAMS ((rtx, tree, int)); + +/* Similar, except that BITPOS has not yet been applied to REF, so if + we alter MEM_OFFSET according to T then we should subtract BITPOS + expecting that it'll be added back in later. */ +extern void set_mem_attributes_minus_bitpos PARAMS ((rtx, tree, int, + HOST_WIDE_INT)); #endif /* Assemble the static constant template for function entry trampolines. */ |