diff options
Diffstat (limited to 'gcc/expr.h')
-rw-r--r-- | gcc/expr.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/gcc/expr.h b/gcc/expr.h index 76b5c809e8e..e8b2c176064 100644 --- a/gcc/expr.h +++ b/gcc/expr.h @@ -303,7 +303,7 @@ rtx emit_conditional_move PARAMS ((rtx, enum rtx_code, rtx, rtx, enum machine_mode, rtx, rtx, enum machine_mode, int)); -/* Return non-zero if the conditional move is supported. */ +/* Return nonzero if the conditional move is supported. */ int can_conditionally_move_p PARAMS ((enum machine_mode mode)); #endif @@ -394,7 +394,15 @@ extern rtx convert_modes PARAMS ((enum machine_mode, enum machine_mode, rtx, int)); /* Emit code to move a block Y to a block X. */ -extern rtx emit_block_move PARAMS ((rtx, rtx, rtx)); + +enum block_op_methods +{ + BLOCK_OP_NORMAL, + BLOCK_OP_CALL_PARM, + BLOCK_OP_NO_LIBCALL +}; + +extern rtx emit_block_move PARAMS ((rtx, rtx, rtx, enum block_op_methods)); /* Copy all or part of a value X into registers starting at REGNO. The number of registers to be filled is NREGS. */ @@ -431,7 +439,7 @@ extern void use_group_regs PARAMS ((rtx *, rtx)); If OBJECT has BLKmode, SIZE is its length in bytes. */ extern rtx clear_storage PARAMS ((rtx, rtx)); -/* Return non-zero if it is desirable to store LEN bytes generated by +/* Return nonzero if it is desirable to store LEN bytes generated by CONSTFUN with several move instructions by store_by_pieces function. CONSTFUNDATA is a pointer which will be passed as argument in every CONSTFUN call. @@ -608,6 +616,9 @@ 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. |