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avr-protos.h (avr_out_addto_sp): New prototype. 

* config/avr/avr-protos.h (avr_out_addto_sp): New prototype.
	* config/avr/avr.c (avr_out_addto_sp): New function.
	(adjust_insn_length): Handle ADJUST_LEN_ADDTO_SP.
	* config/avr/avr.md (adjust_len): Add "addto_sp".
	(*movhi_sp): Remove insn.
	(*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): Merge to *addhi3_sp_R.

From-SVN: r179544
This commit is contained in:
Georg-Johann Lay 2011-10-05 11:16:10 +00:00 committed by Georg-Johann Lay
parent d3878abfcc
commit 180ee6d101
4 changed files with 61 additions and 143 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2011-10-05 Georg-Johann Lay <avr@gjlay.de>
* config/avr/avr-protos.h (avr_out_addto_sp): New prototype.
* config/avr/avr.c (avr_out_addto_sp): New function.
(adjust_insn_length): Handle ADJUST_LEN_ADDTO_SP.
* config/avr/avr.md (adjust_len): Add "addto_sp".
(*movhi_sp): Remove insn.
(*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): Merge to *addhi3_sp_R.
2011-10-05 Richard Guenther <rguenther@suse.de>
* gimple-fold.c (gimple_fold_stmt_to_constant_1): For

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

@ -83,6 +83,7 @@ extern void avr_output_addr_vec_elt (FILE *stream, int value);
extern const char *avr_out_sbxx_branch (rtx insn, rtx operands[]);
extern const char* avr_out_bitop (rtx, rtx*, int*);
extern const char* avr_out_plus (rtx*, int*);
extern const char* avr_out_addto_sp (rtx*, int*);
extern bool avr_popcount_each_byte (rtx, int, int);
extern int extra_constraint_Q (rtx x);

43
gcc/config/avr/avr.c
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@ -4961,6 +4961,47 @@ avr_out_bitop (rtx insn, rtx *xop, int *plen)
return "";
}
/* PLEN == NULL: Output code to add CONST_INT OP[0] to SP.
PLEN != NULL: Set *PLEN to the length of that sequence.
Return "". */
const char*
avr_out_addto_sp (rtx *op, int *plen)
{
int pc_len = AVR_2_BYTE_PC ? 2 : 3;
int addend = INTVAL (op[0]);
if (plen)
*plen = 0;
if (addend < 0)
{
if (flag_verbose_asm || flag_print_asm_name)
avr_asm_len (ASM_COMMENT_START "SP -= %n0", op, plen, 0);
while (addend <= -pc_len)
{
addend += pc_len;
avr_asm_len ("rcall .", op, plen, 1);
}
while (addend++ < 0)
avr_asm_len ("push __zero_reg__", op, plen, 1);
}
else if (addend > 0)
{
if (flag_verbose_asm || flag_print_asm_name)
avr_asm_len (ASM_COMMENT_START "SP += %0", op, plen, 0);
while (addend-- > 0)
avr_asm_len ("pop __tmp_reg__", op, plen, 1);
}
return "";
}
/* Create RTL split patterns for byte sized rotate expressions. This
produces a series of move instructions and considers overlap situations.
Overlapping non-HImode operands need a scratch register. */
@ -5154,6 +5195,8 @@ adjust_insn_length (rtx insn, int len)
case ADJUST_LEN_OUT_BITOP: avr_out_bitop (insn, op, &len); break;
case ADJUST_LEN_OUT_PLUS: avr_out_plus (op, &len); break;
case ADJUST_LEN_ADDTO_SP: avr_out_addto_sp (op, &len); break;
case ADJUST_LEN_MOV8: output_movqi (insn, op, &len); break;
case ADJUST_LEN_MOV16: output_movhi (insn, op, &len); break;

151
gcc/config/avr/avr.md
View File

@ -136,7 +136,7 @@
;; Otherwise do special processing depending on the attribute.
(define_attr "adjust_len"
"out_bitop, out_plus, tsthi, tstsi, compare,
"out_bitop, out_plus, addto_sp, tsthi, tstsi, compare,
mov8, mov16, mov32, reload_in16, reload_in32,
ashlqi, ashrqi, lshrqi,
ashlhi, ashrhi, lshrhi,
@ -346,15 +346,6 @@
}
}")
(define_insn "*movhi_sp"
[(set (match_operand:HI 0 "register_operand" "=q,r")
(match_operand:HI 1 "register_operand" "r,q"))]
"((stack_register_operand(operands[0], HImode) && register_operand (operands[1], HImode))
|| (register_operand (operands[0], HImode) && stack_register_operand(operands[1], HImode)))"
"* return output_movhi (insn, operands, NULL);"
[(set_attr "length" "5,2")
(set_attr "cc" "none,none")])
(define_insn "movhi_sp_r_irq_off"
[(set (match_operand:HI 0 "stack_register_operand" "=q")
(unspec_volatile:HI [(match_operand:HI 1 "register_operand" "r")]
@ -767,142 +758,16 @@
[(set_attr "length" "2")
(set_attr "cc" "set_n")])
(define_insn "*addhi3_sp_R_pc2"
(define_insn "*addhi3_sp_R"
[(set (match_operand:HI 1 "stack_register_operand" "=q")
(plus:HI (match_operand:HI 2 "stack_register_operand" "q")
(match_operand:HI 0 "avr_sp_immediate_operand" "R")))]
"AVR_2_BYTE_PC"
"*{
if (CONST_INT_P (operands[0]))
{
switch(INTVAL (operands[0]))
{
case -6:
return \"rcall .\" CR_TAB
\"rcall .\" CR_TAB
\"rcall .\";
case -5:
return \"rcall .\" CR_TAB
\"rcall .\" CR_TAB
\"push __tmp_reg__\";
case -4:
return \"rcall .\" CR_TAB
\"rcall .\";
case -3:
return \"rcall .\" CR_TAB
\"push __tmp_reg__\";
case -2:
return \"rcall .\";
case -1:
return \"push __tmp_reg__\";
case 0:
return \"\";
case 1:
return \"pop __tmp_reg__\";
case 2:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
case 3:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
case 4:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
case 5:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
}
}
return \"bug\";
}"
[(set (attr "length")
(cond [(eq (const_int -6) (symbol_ref "INTVAL (operands[0])")) (const_int 3)
(eq (const_int -5) (symbol_ref "INTVAL (operands[0])")) (const_int 3)
(eq (const_int -4) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int -3) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int -2) (symbol_ref "INTVAL (operands[0])")) (const_int 1)
(eq (const_int -1) (symbol_ref "INTVAL (operands[0])")) (const_int 1)
(eq (const_int 0) (symbol_ref "INTVAL (operands[0])")) (const_int 0)
(eq (const_int 1) (symbol_ref "INTVAL (operands[0])")) (const_int 1)
(eq (const_int 2) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int 3) (symbol_ref "INTVAL (operands[0])")) (const_int 3)
(eq (const_int 4) (symbol_ref "INTVAL (operands[0])")) (const_int 4)
(eq (const_int 5) (symbol_ref "INTVAL (operands[0])")) (const_int 5)]
(const_int 0)))])
(define_insn "*addhi3_sp_R_pc3"
[(set (match_operand:HI 1 "stack_register_operand" "=q")
(plus:HI (match_operand:HI 2 "stack_register_operand" "q")
(match_operand:QI 0 "avr_sp_immediate_operand" "R")))]
"AVR_3_BYTE_PC"
"*{
if (CONST_INT_P (operands[0]))
{
switch(INTVAL (operands[0]))
{
case -6:
return \"rcall .\" CR_TAB
\"rcall .\";
case -5:
return \"rcall .\" CR_TAB
\"push __tmp_reg__\" CR_TAB
\"push __tmp_reg__\";
case -4:
return \"rcall .\" CR_TAB
\"push __tmp_reg__\";
case -3:
return \"rcall .\";
case -2:
return \"push __tmp_reg__\" CR_TAB
\"push __tmp_reg__\";
case -1:
return \"push __tmp_reg__\";
case 0:
return \"\";
case 1:
return \"pop __tmp_reg__\";
case 2:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
case 3:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
case 4:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
case 5:
return \"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\" CR_TAB
\"pop __tmp_reg__\";
}
}
return \"bug\";
}"
[(set (attr "length")
(cond [(eq (const_int -6) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int -5) (symbol_ref "INTVAL (operands[0])")) (const_int 3)
(eq (const_int -4) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int -3) (symbol_ref "INTVAL (operands[0])")) (const_int 1)
(eq (const_int -2) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int -1) (symbol_ref "INTVAL (operands[0])")) (const_int 1)
(eq (const_int 0) (symbol_ref "INTVAL (operands[0])")) (const_int 0)
(eq (const_int 1) (symbol_ref "INTVAL (operands[0])")) (const_int 1)
(eq (const_int 2) (symbol_ref "INTVAL (operands[0])")) (const_int 2)
(eq (const_int 3) (symbol_ref "INTVAL (operands[0])")) (const_int 3)
(eq (const_int 4) (symbol_ref "INTVAL (operands[0])")) (const_int 4)
(eq (const_int 5) (symbol_ref "INTVAL (operands[0])")) (const_int 5)]
(const_int 0)))])
""
{
return avr_out_addto_sp (operands, NULL);
}
[(set_attr "length" "5")
(set_attr "adjust_len" "addto_sp")])
(define_insn "*addhi3"
[(set (match_operand:HI 0 "register_operand" "=r,!w,!w,d,r,r")