diff options
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 30 |
1 files changed, 17 insertions, 13 deletions
@@ -500,10 +500,11 @@ extern rtx force_operand PARAMS ((rtx, rtx)); /* Return an object on the placeholder list that matches EXP, a PLACEHOLDER_EXPR. An object "matches" if it is of the type of the - PLACEHOLDER_EXPR or a pointer type to it. For further information, - see tree.def. If no such object is found, abort. If PLIST is nonzero, - it is a location into which a pointer into the placeholder list at - which the object is found is placed. */ + PLACEHOLDER_EXPR or a pointer type to it. For further information, see + tree.def. If no such object is found, abort. If PLIST is nonzero, it is + a location which initially points to a starting location in the + placeholder list (zero means start of the list) and where a pointer into + the placeholder list at which the object is found is placed. */ extern tree find_placeholder PARAMS ((tree, tree *)); /* Generate code for computing expression EXP. @@ -611,23 +612,26 @@ extern rtx memory_address_noforce PARAMS ((enum machine_mode, rtx)); /* Set the alias set of MEM to SET. */ extern void set_mem_alias_set PARAMS ((rtx, HOST_WIDE_INT)); +/* Set the alignment of MEM to ALIGN. */ +extern void set_mem_align PARAMS ((rtx, unsigned int)); + /* 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. - NULL for ADDR means don't change the address.) - VALIDATE is nonzero if the returned memory location is required to be - valid. */ -extern rtx change_address_1 PARAMS ((rtx, enum machine_mode, rtx, int)); - -#define change_address(MEMREF, MODE, ADDR) \ - change_address_1 (MEMREF, MODE, ADDR, 1) + NULL for ADDR means don't change the address.) */ +extern rtx change_address PARAMS ((rtx, enum machine_mode, rtx)); /* Return a memory reference like MEMREF, but with its mode changed to MODE and its address offset by OFFSET bytes. */ -extern rtx adjust_address PARAMS ((rtx, enum machine_mode, HOST_WIDE_INT)); +#define adjust_address(MEMREF, MODE, OFFSET) \ + adjust_address_1 (MEMREF, MODE, OFFSET, 1) /* Likewise, but the reference is not required to be valid. */ -extern rtx adjust_address_nv PARAMS ((rtx, enum machine_mode, HOST_WIDE_INT)); +#define adjust_address_nv(MEMREF, MODE, OFFSET) \ + adjust_address_1 (MEMREF, MODE, OFFSET, 0) + +extern rtx adjust_address_1 PARAMS ((rtx, enum machine_mode, HOST_WIDE_INT, + int)); /* Return a memory reference like MEMREF, but with its address changed to ADDR. The caller is asserting that the actual piece of memory pointed |