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rtl.h (get_call_rtx_from): New prototype.

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* rtl.h (get_call_rtx_from): New prototype.
	* rtlanal.c (get_call_rtx_from): New function.
	* calls.c (emit_call_1): Use it.
	* dse.c (scan_insn): Likewise
	* dwarf2out.c (dwarf2out_var_location): Likewise.
	* sched-deps.c (call_may_noreturn_p): Likewise.
	* var-tracking.c (prepare_call_arguments): Likewise.
	* config/sh/sh.c (sh_adjust_cost): Likewise.

From-SVN: r192516
This commit is contained in:
Steven Bosscher 2012-10-16 22:05:17 +00:00
parent f841b68397
commit da4fdf2d3f
9 changed files with 43 additions and 49 deletions
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11
gcc/ChangeLog
View file

@ -1,3 +1,14 @@
2012-10-16 Steven Bosscher <steven@gcc.gnu.org>
* rtl.h (get_call_rtx_from): New prototype.
* rtlanal.c (get_call_rtx_from): New function.
* calls.c (emit_call_1): Use it.
* dse.c (scan_insn): Likewise
* dwarf2out.c (dwarf2out_var_location): Likewise.
* sched-deps.c (call_may_noreturn_p): Likewise.
* var-tracking.c (prepare_call_arguments): Likewise.
* config/sh/sh.c (sh_adjust_cost): Likewise.
2012-10-16 Tom de Vries <tom@codesourcery.com>
* expr.c (move_by_pieces, move_by_pieces_ninsns, can_store_by_pieces)

9
gcc/calls.c
View file

@ -384,13 +384,8 @@ emit_call_1 (rtx funexp, tree fntree ATTRIBUTE_UNUSED, tree fndecl ATTRIBUTE_UNU
/* Some target create a fresh MEM instead of reusing the one provided
above. Set its MEM_EXPR. */
call = PATTERN (call_insn);
if (GET_CODE (call) == PARALLEL)
call = XVECEXP (call, 0, 0);
if (GET_CODE (call) == SET)
call = SET_SRC (call);
if (GET_CODE (call) == CALL
&& MEM_P (XEXP (call, 0))
call = get_call_rtx_from (call_insn);
if (call
&& MEM_EXPR (XEXP (call, 0)) == NULL_TREE
&& MEM_EXPR (funmem) != NULL_TREE)
set_mem_expr (XEXP (call, 0), MEM_EXPR (funmem));

9
gcc/config/sh/sh.c
View file

@ -10811,13 +10811,8 @@ sh_adjust_cost (rtx insn, rtx link ATTRIBUTE_UNUSED, rtx dep_insn, int cost)
function's address. */
if (CALL_P (insn))
{
rtx call = PATTERN (insn);
if (GET_CODE (call) == PARALLEL)
call = XVECEXP (call, 0 ,0);
if (GET_CODE (call) == SET)
call = SET_SRC (call);
if (GET_CODE (call) == CALL && MEM_P (XEXP (call, 0))
rtx call = get_call_rtx_from (insn);
if (call
/* sibcalli_thunk uses a symbol_ref in an unspec. */
&& (GET_CODE (XEXP (XEXP (call, 0), 0)) == UNSPEC
|| ! reg_set_p (XEXP (XEXP (call, 0), 0), dep_insn)))

10
gcc/dse.c
View file

@ -2518,14 +2518,8 @@ scan_insn (bb_info_t bb_info, rtx insn)
const_call = RTL_CONST_CALL_P (insn);
if (!const_call)
{
rtx call = PATTERN (insn);
if (GET_CODE (call) == PARALLEL)
call = XVECEXP (call, 0, 0);
if (GET_CODE (call) == SET)
call = SET_SRC (call);
if (GET_CODE (call) == CALL
&& MEM_P (XEXP (call, 0))
&& GET_CODE (XEXP (XEXP (call, 0), 0)) == SYMBOL_REF)
rtx call = get_call_rtx_from (insn);
if (call && GET_CODE (XEXP (XEXP (call, 0), 0)) == SYMBOL_REF)
{
rtx symbol = XEXP (XEXP (call, 0), 0);
if (SYMBOL_REF_DECL (symbol)

8
gcc/dwarf2out.c
View file

@ -20100,12 +20100,8 @@ dwarf2out_var_location (rtx loc_note)
if (!CALL_P (prev))
prev = XVECEXP (PATTERN (prev), 0, 0);
ca_loc->tail_call_p = SIBLING_CALL_P (prev);
x = PATTERN (prev);
if (GET_CODE (x) == PARALLEL)
x = XVECEXP (x, 0, 0);
if (GET_CODE (x) == SET)
x = SET_SRC (x);
if (GET_CODE (x) == CALL && MEM_P (XEXP (x, 0)))
x = get_call_rtx_from (PATTERN (prev));
if (x)
{
x = XEXP (XEXP (x, 0), 0);
if (GET_CODE (x) == SYMBOL_REF

1
gcc/rtl.h
View file

@ -1930,6 +1930,7 @@ extern bool nonzero_address_p (const_rtx);
extern int rtx_unstable_p (const_rtx);
extern bool rtx_varies_p (const_rtx, bool);
extern bool rtx_addr_varies_p (const_rtx, bool);
extern rtx get_call_rtx_from (rtx);
extern HOST_WIDE_INT get_integer_term (const_rtx);
extern rtx get_related_value (const_rtx);
extern bool offset_within_block_p (const_rtx, HOST_WIDE_INT);

16
gcc/rtlanal.c
View file

@ -466,6 +466,22 @@ rtx_addr_varies_p (const_rtx x, bool for_alias)
return 0;
}
/* Return the CALL in X if there is one. */
rtx
get_call_rtx_from (rtx x)
{
if (INSN_P (x))
x = PATTERN (x);
if (GET_CODE (x) == PARALLEL)
x = XVECEXP (x, 0, 0);
if (GET_CODE (x) == SET)
x = SET_SRC (x);
if (GET_CODE (x) == CALL && MEM_P (XEXP (x, 0)))
return x;
return NULL_RTX;
}
/* Return the value of the integer term in X, if one is apparent;
otherwise return 0.
Only obvious integer terms are detected.

10
gcc/sched-deps.c
View file

@ -3425,14 +3425,8 @@ call_may_noreturn_p (rtx insn)
&& !RTL_LOOPING_CONST_OR_PURE_CALL_P (insn))
return false;
call = PATTERN (insn);
if (GET_CODE (call) == PARALLEL)
call = XVECEXP (call, 0, 0);
if (GET_CODE (call) == SET)
call = SET_SRC (call);
if (GET_CODE (call) == CALL
&& MEM_P (XEXP (call, 0))
&& GET_CODE (XEXP (XEXP (call, 0), 0)) == SYMBOL_REF)
call = get_call_rtx_from (insn);
if (call && GET_CODE (XEXP (XEXP (call, 0), 0)) == SYMBOL_REF)
{
rtx symbol = XEXP (XEXP (call, 0), 0);
if (SYMBOL_REF_DECL (symbol)

18
gcc/var-tracking.c
View file

@ -5897,9 +5897,8 @@ static rtx call_arguments;
static void
prepare_call_arguments (basic_block bb, rtx insn)
{
rtx link, x;
rtx link, x, call;
rtx prev, cur, next;
rtx call = PATTERN (insn);
rtx this_arg = NULL_RTX;
tree type = NULL_TREE, t, fndecl = NULL_TREE;
tree obj_type_ref = NULL_TREE;
@ -5908,11 +5907,8 @@ prepare_call_arguments (basic_block bb, rtx insn)
memset (&args_so_far_v, 0, sizeof (args_so_far_v));
args_so_far = pack_cumulative_args (&args_so_far_v);
if (GET_CODE (call) == PARALLEL)
call = XVECEXP (call, 0, 0);
if (GET_CODE (call) == SET)
call = SET_SRC (call);
if (GET_CODE (call) == CALL && MEM_P (XEXP (call, 0)))
call = get_call_rtx_from (insn);
if (call)
{
if (GET_CODE (XEXP (XEXP (call, 0), 0)) == SYMBOL_REF)
{
@ -6186,12 +6182,8 @@ prepare_call_arguments (basic_block bb, rtx insn)
}
call_arguments = prev;
x = PATTERN (insn);
if (GET_CODE (x) == PARALLEL)
x = XVECEXP (x, 0, 0);
if (GET_CODE (x) == SET)
x = SET_SRC (x);
if (GET_CODE (x) == CALL && MEM_P (XEXP (x, 0)))
x = get_call_rtx_from (insn);
if (x)
{
x = XEXP (XEXP (x, 0), 0);
if (GET_CODE (x) == SYMBOL_REF)