else if (CONST_INT_P (src)
|| CONST_DOUBLE_P (src))
{
- return output_reload_insisf (insn, operands, NULL_RTX, real_l);
+ return output_reload_insisf (operands, NULL_RTX, real_l);
}
else if (CONSTANT_P (src))
{
int
adjust_insn_length (rtx insn, int len)
{
- rtx patt, set;
+ rtx *op = recog_data.operand;
enum attr_adjust_len adjust_len;
/* Some complex insns don't need length adjustment and therefore
adjust_len = get_attr_adjust_len (insn);
- if (adjust_len != ADJUST_LEN_YES)
+ if (adjust_len == ADJUST_LEN_NO)
{
- rtx *op = recog_data.operand;
+ /* Nothing to adjust: The length from attribute "length" is fine.
+ This is the default. */
- if (adjust_len == ADJUST_LEN_NO)
- {
- /* Nothing to adjust: The length from attribute "length" is fine. */
-
- return len;
- }
-
- /* Extract insn's operands. */
+ return len;
+ }
+
+ /* Extract insn's operands. */
+
+ extract_constrain_insn_cached (insn);
+
+ /* Dispatch to right function. */
+
+ switch (adjust_len)
+ {
+ case ADJUST_LEN_RELOAD_IN16: output_reload_inhi (op, op[2], &len); break;
+ case ADJUST_LEN_RELOAD_IN32: output_reload_insisf (op, op[2], &len); break;
- extract_constrain_insn_cached (insn);
-
- /* Dispatch to right function. */
+ case ADJUST_LEN_OUT_BITOP: avr_out_bitop (insn, op, &len); break;
- switch (adjust_len)
- {
- case ADJUST_LEN_RELOAD_IN16:
- output_reload_inhi (op, op[2], &len);
- break;
-
- case ADJUST_LEN_RELOAD_IN32:
- output_reload_insisf (insn, op, op[2], &len);
- break;
-
- 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_TSTHI: avr_out_tsthi (insn, op, &len); break;
- case ADJUST_LEN_TSTSI: avr_out_tstsi (insn, op, &len); break;
- case ADJUST_LEN_COMPARE: avr_out_compare (insn, op, &len); break;
-
- default:
- gcc_unreachable();
- }
+ case ADJUST_LEN_OUT_PLUS: avr_out_plus (op, &len); break;
- return len;
- } /* adjust_length != ADJUST_LEN_YES */
-
- /* adjust_len == "yes": Analyse insn by hand. */
-
- patt = PATTERN (insn);
+ case ADJUST_LEN_MOV8: output_movqi (insn, op, &len); break;
+ case ADJUST_LEN_MOV16: output_movhi (insn, op, &len); break;
+ case ADJUST_LEN_MOV32: output_movsisf (insn, op, &len); break;
+
+ case ADJUST_LEN_TSTHI: avr_out_tsthi (insn, op, &len); break;
+ case ADJUST_LEN_TSTSI: avr_out_tstsi (insn, op, &len); break;
+ case ADJUST_LEN_COMPARE: avr_out_compare (insn, op, &len); break;
- if (GET_CODE (patt) == SET)
- {
- rtx op[10];
- op[1] = SET_SRC (patt);
- op[0] = SET_DEST (patt);
- if (general_operand (op[1], VOIDmode)
- && general_operand (op[0], VOIDmode))
- {
- switch (GET_MODE (op[0]))
- {
- case QImode:
- output_movqi (insn, op, &len);
- break;
- case HImode:
- output_movhi (insn, op, &len);
- break;
- case SImode:
- case SFmode:
- output_movsisf (insn, op, &len);
- break;
- default:
- break;
- }
- }
- }
- set = single_set (insn);
- if (set)
- {
- rtx op[10];
+ case ADJUST_LEN_LSHRQI: lshrqi3_out (insn, op, &len); break;
+ case ADJUST_LEN_LSHRHI: lshrhi3_out (insn, op, &len); break;
+ case ADJUST_LEN_LSHRSI: lshrsi3_out (insn, op, &len); break;
- op[1] = SET_SRC (set);
- op[0] = SET_DEST (set);
+ case ADJUST_LEN_ASHRQI: ashrqi3_out (insn, op, &len); break;
+ case ADJUST_LEN_ASHRHI: ashrhi3_out (insn, op, &len); break;
+ case ADJUST_LEN_ASHRSI: ashrsi3_out (insn, op, &len); break;
- if (GET_CODE (op[1]) == ASHIFT
- || GET_CODE (op[1]) == ASHIFTRT
- || GET_CODE (op[1]) == LSHIFTRT)
- {
- rtx ops[10];
- ops[0] = op[0];
- ops[1] = XEXP (op[1],0);
- ops[2] = XEXP (op[1],1);
- switch (GET_CODE (op[1]))
- {
- case ASHIFT:
- switch (GET_MODE (op[0]))
- {
- case QImode: ashlqi3_out (insn,ops,&len); break;
- case HImode: ashlhi3_out (insn,ops,&len); break;
- case SImode: ashlsi3_out (insn,ops,&len); break;
- default: break;
- }
- break;
- case ASHIFTRT:
- switch (GET_MODE (op[0]))
- {
- case QImode: ashrqi3_out (insn,ops,&len); break;
- case HImode: ashrhi3_out (insn,ops,&len); break;
- case SImode: ashrsi3_out (insn,ops,&len); break;
- default: break;
- }
- break;
- case LSHIFTRT:
- switch (GET_MODE (op[0]))
- {
- case QImode: lshrqi3_out (insn,ops,&len); break;
- case HImode: lshrhi3_out (insn,ops,&len); break;
- case SImode: lshrsi3_out (insn,ops,&len); break;
- default: break;
- }
- break;
- default:
- break;
- }
- }
+ case ADJUST_LEN_ASHLQI: ashlqi3_out (insn, op, &len); break;
+ case ADJUST_LEN_ASHLHI: ashlhi3_out (insn, op, &len); break;
+ case ADJUST_LEN_ASHLSI: ashlsi3_out (insn, op, &len); break;
+
+ default:
+ gcc_unreachable();
}
+
return len;
}
}
-/* A helper for `output_reload_insisf'. */
+/* A helper for `output_reload_insisf' and `output_reload_inhi'. */
/* Set 32-bit register OP[0] to compile-time constant OP[1].
CLOBBER_REG is a QI clobber register or NULL_RTX.
LEN == NULL: output instructions.
Return "". */
const char *
-output_reload_insisf (rtx insn ATTRIBUTE_UNUSED,
- rtx *op, rtx clobber_reg, int *len)
+output_reload_insisf (rtx *op, rtx clobber_reg, int *len)
{
gcc_assert (REG_P (op[0])
&& CONSTANT_P (op[1]));
;; Otherwise do special processing depending on the attribute.
(define_attr "adjust_len"
- "yes,no,reload_in16,reload_in32,out_bitop,out_plus,tsthi,tstsi,compare"
- (const_string "yes"))
+ "out_bitop, out_plus, tsthi, tstsi, compare,
+ mov8, mov16, mov32, reload_in16, reload_in32,
+ ashlqi, ashrqi, lshrqi,
+ ashlhi, ashrhi, lshrhi,
+ ashlsi, ashrsi, lshrsi,
+ no"
+ (const_string "no"))
;; Define mode iterators
(define_mode_iterator QIHI [(QI "") (HI "")])
|| register_operand (operands[1], QImode) || const0_rtx == operands[1])"
"* return output_movqi (insn, operands, NULL);"
[(set_attr "length" "1,1,5,5,1,1,4")
+ (set_attr "adjust_len" "mov8")
(set_attr "cc" "none,none,clobber,clobber,none,none,clobber")])
;; This is used in peephole2 to optimize loading immediate constants
|| register_operand (operands[1],HImode) || const0_rtx == operands[1])"
"* return output_movhi (insn, operands, NULL);"
[(set_attr "length" "2,2,6,7,2,6,5,2")
+ (set_attr "adjust_len" "mov16")
(set_attr "cc" "none,clobber,clobber,clobber,none,clobber,none,none")])
(define_peephole2 ; movw
(clobber (match_operand:QI 2 "register_operand" "=&d"))]
"reload_completed"
{
- return output_reload_insisf (insn, operands, operands[2], NULL);
+ return output_reload_insisf (operands, operands[2], NULL);
}
[(set_attr "length" "8")
(set_attr "adjust_len" "reload_in32")
return output_movsisf (insn, operands, NULL);
}
[(set_attr "length" "4,4,8,9,4,10")
+ (set_attr "adjust_len" "mov32")
(set_attr "cc" "none,set_zn,clobber,clobber,clobber,clobber")])
;; fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
return output_movsisf (insn, operands, NULL);
}
[(set_attr "length" "4,4,8,9,4,10")
+ (set_attr "adjust_len" "mov32")
(set_attr "cc" "none,set_zn,clobber,clobber,clobber,clobber")])
(define_peephole2 ; *reload_insf
(clobber (match_operand:QI 2 "register_operand" "=&d"))]
"reload_completed"
{
- return output_reload_insisf (insn, operands, operands[2], NULL);
+ return output_reload_insisf (operands, operands[2], NULL);
}
[(set_attr "length" "8")
(set_attr "adjust_len" "reload_in32")
return asm_code [which_alternative];
}
[(set_attr "length" "4,3,3,4,5,5,8,8")
- (set_attr "adjust_len" "no,no,no,no,no,no,out_plus,out_plus")
+ (set_attr "adjust_len" "*,*,*,*,*,*,out_plus,out_plus")
(set_attr "cc" "set_n,set_n,set_czn,set_czn,set_n,set_n,clobber,clobber")])
(define_insn "*addsi3_zero_extend"
return avr_out_bitop (insn, operands, NULL);
}
[(set_attr "length" "2,2,2,4,4")
- (set_attr "adjust_len" "no,no,out_bitop,out_bitop,out_bitop")
+ (set_attr "adjust_len" "*,*,out_bitop,out_bitop,out_bitop")
(set_attr "cc" "set_n,set_n,clobber,clobber,clobber")])
(define_insn "andsi3"
return avr_out_bitop (insn, operands, NULL);
}
[(set_attr "length" "4,4,8,8")
- (set_attr "adjust_len" "no,out_bitop,out_bitop,out_bitop")
+ (set_attr "adjust_len" "*,out_bitop,out_bitop,out_bitop")
(set_attr "cc" "set_n,clobber,clobber,clobber")])
(define_peephole2 ; andi
return avr_out_bitop (insn, operands, NULL);
}
[(set_attr "length" "2,2,2,4,4")
- (set_attr "adjust_len" "no,no,out_bitop,out_bitop,out_bitop")
+ (set_attr "adjust_len" "*,*,out_bitop,out_bitop,out_bitop")
(set_attr "cc" "set_n,set_n,clobber,clobber,clobber")])
(define_insn "iorsi3"
return avr_out_bitop (insn, operands, NULL);
}
[(set_attr "length" "4,4,8,8")
- (set_attr "adjust_len" "no,out_bitop,out_bitop,out_bitop")
+ (set_attr "adjust_len" "*,out_bitop,out_bitop,out_bitop")
(set_attr "cc" "set_n,clobber,clobber,clobber")])
;;^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
return avr_out_bitop (insn, operands, NULL);
}
[(set_attr "length" "2,2,4")
- (set_attr "adjust_len" "no,out_bitop,out_bitop")
+ (set_attr "adjust_len" "*,out_bitop,out_bitop")
(set_attr "cc" "set_n,clobber,clobber")])
(define_insn "xorsi3"
return avr_out_bitop (insn, operands, NULL);
}
[(set_attr "length" "4,8,8")
- (set_attr "adjust_len" "no,out_bitop,out_bitop")
+ (set_attr "adjust_len" "*,out_bitop,out_bitop")
(set_attr "cc" "set_n,clobber,clobber")])
;; swap swap swap swap swap swap swap swap swap swap swap swap swap swap swap
""
"* return ashlqi3_out (insn, operands, NULL);"
[(set_attr "length" "5,0,1,2,4,6,9")
+ (set_attr "adjust_len" "ashlqi")
(set_attr "cc" "clobber,none,set_czn,set_czn,set_czn,set_czn,clobber")])
(define_insn "ashlhi3"
""
"* return ashlhi3_out (insn, operands, NULL);"
[(set_attr "length" "6,0,2,2,4,10,10")
+ (set_attr "adjust_len" "ashlhi")
(set_attr "cc" "clobber,none,set_n,clobber,set_n,clobber,clobber")])
""
"* return ashlsi3_out (insn, operands, NULL);"
[(set_attr "length" "8,0,4,4,8,10,12")
+ (set_attr "adjust_len" "ashlsi")
(set_attr "cc" "clobber,none,set_n,clobber,set_n,clobber,clobber")])
;; Optimize if a scratch register from LD_REGS happens to be available.
"reload_completed"
"* return ashlhi3_out (insn, operands, NULL);"
[(set_attr "length" "0,2,2,4,10")
+ (set_attr "adjust_len" "ashlhi")
(set_attr "cc" "none,set_n,clobber,set_n,clobber")])
(define_peephole2
"reload_completed"
"* return ashlsi3_out (insn, operands, NULL);"
[(set_attr "length" "0,4,4,10")
+ (set_attr "adjust_len" "ashlsi")
(set_attr "cc" "none,set_n,clobber,clobber")])
;; >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >>
""
"* return ashrqi3_out (insn, operands, NULL);"
[(set_attr "length" "5,0,1,2,5,9")
+ (set_attr "adjust_len" "ashrqi")
(set_attr "cc" "clobber,none,clobber,clobber,clobber,clobber")])
(define_insn "ashrhi3"
""
"* return ashrhi3_out (insn, operands, NULL);"
[(set_attr "length" "6,0,2,4,4,10,10")
+ (set_attr "adjust_len" "ashrhi")
(set_attr "cc" "clobber,none,clobber,set_n,clobber,clobber,clobber")])
(define_insn "ashrsi3"
""
"* return ashrsi3_out (insn, operands, NULL);"
[(set_attr "length" "8,0,4,6,8,10,12")
+ (set_attr "adjust_len" "ashrsi")
(set_attr "cc" "clobber,none,clobber,set_n,clobber,clobber,clobber")])
;; Optimize if a scratch register from LD_REGS happens to be available.
"reload_completed"
"* return ashrhi3_out (insn, operands, NULL);"
[(set_attr "length" "0,2,4,4,10")
+ (set_attr "adjust_len" "ashrhi")
(set_attr "cc" "none,clobber,set_n,clobber,clobber")])
(define_peephole2
"reload_completed"
"* return ashrsi3_out (insn, operands, NULL);"
[(set_attr "length" "0,4,4,10")
+ (set_attr "adjust_len" "ashrsi")
(set_attr "cc" "none,clobber,set_n,clobber")])
;; >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >>
""
"* return lshrqi3_out (insn, operands, NULL);"
[(set_attr "length" "5,0,1,2,4,6,9")
+ (set_attr "adjust_len" "lshrqi")
(set_attr "cc" "clobber,none,set_czn,set_czn,set_czn,set_czn,clobber")])
(define_insn "lshrhi3"
""
"* return lshrhi3_out (insn, operands, NULL);"
[(set_attr "length" "6,0,2,2,4,10,10")
+ (set_attr "adjust_len" "lshrhi")
(set_attr "cc" "clobber,none,clobber,clobber,clobber,clobber,clobber")])
(define_insn "lshrsi3"
""
"* return lshrsi3_out (insn, operands, NULL);"
[(set_attr "length" "8,0,4,4,8,10,12")
+ (set_attr "adjust_len" "lshrsi")
(set_attr "cc" "clobber,none,clobber,clobber,clobber,clobber,clobber")])
;; Optimize if a scratch register from LD_REGS happens to be available.
"reload_completed"
"* return lshrhi3_out (insn, operands, NULL);"
[(set_attr "length" "0,2,2,4,10")
+ (set_attr "adjust_len" "lshrhi")
(set_attr "cc" "none,clobber,clobber,clobber,clobber")])
(define_peephole2
"reload_completed"
"* return lshrsi3_out (insn, operands, NULL);"
[(set_attr "length" "0,4,4,10")
+ (set_attr "adjust_len" "lshrsi")
(set_attr "cc" "none,clobber,clobber,clobber")])
;; abs(x) abs(x) abs(x) abs(x) abs(x) abs(x) abs(x) abs(x) abs(x) abs(x) abs(x)
}
[(set_attr "cc" "compare")
(set_attr "length" "1,2,2,3,4,2,4")
- (set_attr "adjust_len" "tsthi,tsthi,no,no,no,compare,compare")])
+ (set_attr "adjust_len" "tsthi,tsthi,*,*,*,compare,compare")])
(define_insn "*cmpsi"
}
[(set_attr "cc" "compare")
(set_attr "length" "4,4,4,5,8")
- (set_attr "adjust_len" "tstsi,no,compare,compare,compare")])
+ (set_attr "adjust_len" "tstsi,*,compare,compare,compare")])
;; ----------------------------------------------------------------------
projects / platform / upstream / gcc.git / commitdiff