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riscv-gcc-1
Commit aee4e0db by Ulrich Weigand Committed by Ulrich Weigand
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s390.c (s390_split_branches): Add return value. 

	* config/s390/s390.c (s390_split_branches): Add return
	value.  Add parameters TEMP_REG and TEMP_USED.  Use unspec 104.

	(find_base_register_in_addr): New function.
	(find_base_register_ref): New function.
	(replace_base_register_ref): New function.

	(struct constant_pool): Add members pool_insn, insns, and anchor.
	Remove member last_insn.
	(s390_start_pool): Initialize them.
	(s390_end_pool): Emit pool placeholder insn.
	(s390_add_pool_insn): New function.
	(s390_find_pool): Use insns bitmap instead of addresses.
	(s390_dump_pool): Replace placeholder insn.  Emit anchor.
	Replace unspec 104 by local-pool-relative references.
	(s390_output_constant_pool): Output anchor label if required.
	(s390_output_symbolic_const): Handle unspec 104 and 105.
	(s390_add_pool): Remove, replace by ...
	(s390_add_constant, s390_find_constant): ... these new functions.
	(s390_add_anchor): New function.

	(s390_chunkify_pool): Delete, replace by ...
	(s390_chunkify_start, s390_chunkify_finish,
	s390_chunkify_cancel): ... these new functions.
	(s390_optimize_prolog): Add parameter TEMP_REGNO.
	Recompute register live data for special registers.
	(s390_fixup_clobbered_return_reg): New function.
	(s390_machine_dependent_reorg): Rewrite to use new
	s390_chunkify_... routines.

	config/s390/s390.md ("reload_base"): Rename to ...
	("reload_base_31"): ... this.
	("reload_base_64"): New insn.
	("reload_base2"): Remove.
	("reload_anchor"): New insn.
	("pool"): New insn.

	s390.c (s390_pool_overflow): Remove.
	s390.h (s390_pool_overflow): Likewise.
	s390.md ("cjump", "icjump", "doloop_si"): Remove s390_pool_overflow.

From-SVN: r58168
parent 6742d92b
Showing with 62 additions and 15 deletions
gcc/ChangeLog
2002-10-15 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.c (s390_split_branches): Add return
value. Add parameters TEMP_REG and TEMP_USED. Use unspec 104.
(find_base_register_in_addr): New function.
(find_base_register_ref): New function.
(replace_base_register_ref): New function.
(struct constant_pool): Add members pool_insn, insns, and anchor.
Remove member last_insn.
(s390_start_pool): Initialize them.
(s390_end_pool): Emit pool placeholder insn.
(s390_add_pool_insn): New function.
(s390_find_pool): Use insns bitmap instead of addresses.
(s390_dump_pool): Replace placeholder insn. Emit anchor.
Replace unspec 104 by local-pool-relative references.
(s390_output_constant_pool): Output anchor label if required.
(s390_output_symbolic_const): Handle unspec 104 and 105.
(s390_add_pool): Remove, replace by ...
(s390_add_constant, s390_find_constant): ... these new functions.
(s390_add_anchor): New function.
(s390_chunkify_pool): Delete, replace by ...
(s390_chunkify_start, s390_chunkify_finish,
s390_chunkify_cancel): ... these new functions.
(s390_optimize_prolog): Add parameter TEMP_REGNO.
Recompute register live data for special registers.
(s390_fixup_clobbered_return_reg): New function.
(s390_machine_dependent_reorg): Rewrite to use new
s390_chunkify_... routines.
config/s390/s390.md ("reload_base"): Rename to ...
("reload_base_31"): ... this.
("reload_base_64"): New insn.
("reload_base2"): Remove.
("reload_anchor"): New insn.
("pool"): New insn.
s390.c (s390_pool_overflow): Remove.
s390.h (s390_pool_overflow): Likewise.
s390.md ("cjump", "icjump", "doloop_si"): Remove s390_pool_overflow.
Tue Oct 15 16:51:04 2002 J"orn Rennecke <joern.rennecke@superh.com>
* sh.md (movv8qi_i+2): Don't split if source is -1.
......
gcc/config/s390/s390.h
......@@ -1299,7 +1299,6 @@ extern struct rtx_def *s390_compare_op0, *s390_compare_op1;
extern int s390_pool_count;
extern int s390_nr_constants;
extern int s390_pool_overflow;
#define ASM_OUTPUT_POOL_PROLOGUE(FILE, FUNNAME, fndecl, size) \
{ \
......
gcc/config/s390/s390.md
......@@ -5724,9 +5724,6 @@
(const_int 4)
(ne (symbol_ref "TARGET_64BIT") (const_int 0))
(const_int 6)
(ne (symbol_ref "s390_pool_overflow") (const_int 0))
(if_then_else (eq (symbol_ref "flag_pic") (const_int 0))
(const_int 12) (const_int 14))
(eq (symbol_ref "flag_pic") (const_int 0))
(const_int 6)] (const_int 8)))])
......@@ -5776,9 +5773,6 @@
(const_int 4)
(ne (symbol_ref "TARGET_64BIT") (const_int 0))
(const_int 6)
(ne (symbol_ref "s390_pool_overflow") (const_int 0))
(if_then_else (eq (symbol_ref "flag_pic") (const_int 0))
(const_int 12) (const_int 14))
(eq (symbol_ref "flag_pic") (const_int 0))
(const_int 6)] (const_int 8)))])
......@@ -5888,9 +5882,6 @@
(const_int 4)
(ne (symbol_ref "TARGET_64BIT") (const_int 0))
(const_int 10)
(ne (symbol_ref "s390_pool_overflow") (const_int 0))
(if_then_else (eq (symbol_ref "flag_pic") (const_int 0))
(const_int 12) (const_int 14))
(eq (symbol_ref "flag_pic") (const_int 0))
(const_int 6)] (const_int 8)))])
......@@ -6707,7 +6698,7 @@
[(set_attr "op_type" "NN")
(set_attr "length" "0")])
(define_insn "reload_base"
(define_insn "reload_base_31"
[(set (match_operand:SI 0 "register_operand" "=a")
(unspec:SI [(label_ref (match_operand 1 "" ""))] 210))]
"!TARGET_64BIT"
......@@ -6716,15 +6707,29 @@
(set_attr "type" "la")
(set_attr "length" "6")])
(define_insn "reload_base2"
(define_insn "reload_base_64"
[(set (match_operand:DI 0 "register_operand" "=a")
(unspec:DI [(label_ref (match_operand 1 "" ""))] 210))]
"TARGET_64BIT"
"larl\\t%0,%1"
[(set_attr "op_type" "RIL")
(set_attr "type" "la")])
(define_insn "reload_anchor"
[(set (match_operand:SI 0 "register_operand" "=a")
(unspec:SI [(label_ref (match_operand 1 "" ""))] 211))]
(unspec:SI [(match_operand:SI 1 "register_operand" "a")] 211))]
"!TARGET_64BIT"
"la\\t%0,%1-.(%0)"
"l\\t%0,0(%1)\;la\\t%0,0(%0,%1)"
[(set_attr "op_type" "NN")
(set_attr "type" "la")
(set_attr "length" "4")])
(set_attr "length" "8")])
(define_insn "pool"
[(unspec_volatile [(match_operand 0 "const_int_operand" "n")] 220)]
""
"* abort ();"
[(set_attr "op_type" "NN")
(set (attr "length") (symbol_ref "INTVAL (operands[0])"))])
;;
;; Insns related to generating the function prologue and epilogue.
......
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