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m68hc11.md ("bitcmpqi"): New pattern for bitb instruction.

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* config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
	instruction.
	("bitcmpqi2"): New pattern for bit-extract and test.
	("bitcmphi"): New pattern for bitb/bita instructions.

From-SVN: r41812
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Stephane Carrez 2001-05-03 23:09:28 +02:00 • committed by Stephane Carrez
parent fa27606ca3
commit c418c5ab57
2 changed files with 88 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
instruction.
("bitcmpqi2"): New pattern for bit-extract and test.
("bitcmphi"): New pattern for bitb/bita instructions.
2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
* gccbug.in: Use a temporary directory when the mktemp command is

81
gcc/config/m68hc11/m68hc11.md
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@ -383,6 +383,87 @@
DONE;
}")
(define_insn "bitcmpqi"
[(set (cc0)
(and:QI (match_operand:QI 0 "tst_operand" "d,d,d")
(match_operand:QI 1 "cmp_operand" "im,*A,u")))]
""
"@
bitb\\t%1
#
bitb\\t%1")
(define_insn "bitcmpqi_z_used"
[(set (cc0)
(and:QI (match_operand:QI 0 "tst_operand" "d")
(match_operand:QI 1 "cmp_operand" "m")))
(use (match_operand:HI 2 "hard_reg_operand" "xy"))
(use (reg:HI 11))]
""
"#")
(define_split /* "bitcmpqi_z_used" */
[(set (cc0)
(and:QI (match_operand:QI 0 "tst_operand" "d")
(match_operand:QI 1 "cmp_operand" "m")))
(use (match_operand:HI 2 "hard_reg_operand" "xy"))
(use (reg:HI 11))]
"z_replacement_completed == 2"
[(set (mem:HI (pre_dec:HI (reg:HI 3))) (match_dup 2))
(set (match_dup 2) (match_dup 3))
(set (cc0) (and:QI (match_dup 0) (match_dup 1)))
(set (match_dup 2) (mem:HI (post_inc:HI (reg:HI 3))))]
"operands[3] = gen_rtx (REG, HImode, SOFT_Z_REGNUM);")
(define_insn "bitcmphi"
[(set (cc0)
(and:HI (match_operand:HI 0 "tst_operand" "d")
(match_operand:HI 1 "const_int_operand" "i")))]
"(INTVAL (operands[1]) & 0x0ff) == 0
|| (INTVAL (operands[1]) & 0x0ff00) == 0"
"*
{
if ((INTVAL (operands[1]) & 0x0ff) == 0)
return \"bita\\t%h1\";
else
return \"bitb\\t%1\";
}")
(define_insn "bitcmpqi_12"
[(set (cc0)
(zero_extract (match_operand:HI 0 "tst_operand" "d")
(match_operand:HI 1 "const_int_operand" "i")
(match_operand:HI 2 "const_int_operand" "i")))]
"(unsigned) (INTVAL (operands[2]) + INTVAL (operands[1])) <= 8
|| (((unsigned) (INTVAL (operands[2]) + INTVAL (operands[1])) <= 16)
&& (unsigned) INTVAL (operands[2]) >= 8)"
"*
{
rtx ops[1];
int mask;
int startpos = INTVAL (operands[2]);
int bitsize = INTVAL (operands[1]);
if (startpos >= 8)
{
startpos -= 8;
mask = (1 << (startpos + bitsize)) - 1;
mask &= ~((1 << startpos) - 1);
ops[0] = GEN_INT (mask);
output_asm_insn (\"bita\\t%0\", ops);
}
else
{
mask = (1 << (startpos + bitsize)) - 1;
mask &= ~((1 << startpos) - 1);
ops[0] = GEN_INT (mask);
output_asm_insn (\"bitb\\t%0\", ops);
}
return \"\";
}")
(define_insn "cmpqi_1"
[(set (cc0)
(compare (match_operand:QI 0 "tst_operand" "d,d,*x*y,*x*y")