Extend special_memory_constraint.

For operand with special_memory_constraint, there could be a wrapper
for memory_operand. Extract mem for operand for conditional judgement
like MEM_P, also for record_address_regs.

gcc/ChangeLog:

	PR target/87767
	* ira-costs.c (record_operand_costs): Extract memory operand
	from recog_data.operand[i] for record_address_regs.
	(record_reg_classes): Extract memory operand from OP for
	conditional judgement MEM_P.
	* ira.c (ira_setup_alts): Ditto.
	* lra-constraints.c (extract_mem_from_operand): New function.
	(satisfies_memory_constraint_p): Extract memory operand from
	OP for decompose_mem_address, return false when there's no
	memory operand inside OP.
	(process_alt_operands): Remove MEM_P (op) since it would be
	judged in satisfies_memory_constraint_p.
	* recog.c (asm_operand_ok): Extract memory operand from OP for
	judgement of memory_operand (OP, VOIDmode).
	(constrain_operands): Don't unwrapper unary operator when
	there's memory operand inside.
	* rtl.h (extract_mem_from_operand): New decl.

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/rtl.h b/gcc/rtl.h
index 0872cc4..fcec9dc 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -4324,6 +4324,7 @@ extern rtx gen_hard_reg_clobber (machine_mode, unsigned int);
 extern rtx get_reg_known_value (unsigned int);
 extern bool get_reg_known_equiv_p (unsigned int);
 extern rtx get_reg_base_value (unsigned int);
+extern rtx extract_mem_from_operand (rtx);
 
 #ifdef STACK_REGS
 extern int stack_regs_mentioned (const_rtx insn);