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[ARC] Update sleep builtin.

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gcc/
2018-04-23  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc-protos.h (check_if_valid_sleep_operand): Remove.
	* config/arc/arc.c (arc_expand_builtin): Sleep accepts registers
	and short u6 immediate.
	(check_if_valid_sleep_operand): Remove.
	* config/arc/arc.md (Sleep): Accepts registers and u6 immediates.

changelog

From-SVN: r259557
This commit is contained in:
Claudiu Zissulescu 2018-04-23 11:54:59 +02:00 committed by Claudiu Zissulescu
parent 6dfcb0c474
commit 31d2e01ad4
4 changed files with 10 additions and 29 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2018-04-23 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (check_if_valid_sleep_operand): Remove.
* config/arc/arc.c (arc_expand_builtin): Sleep accepts registers
and short u6 immediate.
(check_if_valid_sleep_operand): Remove.
* config/arc/arc.md (Sleep): Accepts registers and u6 immediates.
2018-04-22 Chung-Ju Wu <jasonwucj@gmail.com>
* config/nds32/nds32.c (nds32_compute_stack_frame): Consider

1
gcc/config/arc/arc-protos.h
View File

@ -59,7 +59,6 @@ void arc_asm_output_aligned_decl_local (FILE *, tree, const char *,
unsigned HOST_WIDE_INT);
extern rtx arc_return_addr_rtx (int , rtx);
extern bool check_if_valid_regno_const (rtx *, int);
extern bool check_if_valid_sleep_operand (rtx *, int);
extern bool arc_legitimate_constant_p (machine_mode, rtx);
extern bool arc_legitimate_pic_addr_p (rtx);
extern bool arc_raw_symbolic_reference_mentioned_p (rtx, bool);

26
gcc/config/arc/arc.c
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@ -6555,11 +6555,6 @@ arc_expand_builtin (tree exp,
fold (arg0);
op0 = expand_expr (arg0, NULL_RTX, VOIDmode, EXPAND_NORMAL);
if (!CONST_INT_P (op0) || !satisfies_constraint_L (op0))
{
error ("builtin operand should be an unsigned 6-bit value");
return NULL_RTX;
}
gcc_assert (icode != 0);
emit_insn (GEN_FCN (icode) (op0));
return NULL_RTX;
@ -6907,27 +6902,6 @@ check_if_valid_regno_const (rtx *operands, int opno)
return false;
}
/* Check that after all the constant folding, whether the operand to
__builtin_arc_sleep is an unsigned int of 6 bits. If not, flag an error. */
bool
check_if_valid_sleep_operand (rtx *operands, int opno)
{
switch (GET_CODE (operands[opno]))
{
case CONST :
case CONST_INT :
if( UNSIGNED_INT6 (INTVAL (operands[opno])))
return true;
/* FALLTHRU */
default:
fatal_error (input_location,
"operand for sleep instruction must be an unsigned 6 bit compile-time constant");
break;
}
return false;
}
/* Return true if it is ok to make a tail-call to DECL. */
static bool

4
gcc/config/arc/arc.md
View File

@ -4778,9 +4778,9 @@
(define_insn "sleep"
[(unspec_volatile [(match_operand:SI 0 "immediate_operand" "L")]
[(unspec_volatile [(match_operand:SI 0 "nonmemory_operand" "Lr")]
VUNSPEC_ARC_SLEEP)]
"check_if_valid_sleep_operand(operands,0)"
""
"sleep %0"
[(set_attr "length" "4")
(set_attr "type" "misc")])