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rs6000.md (ctz<mode>2, [...]): Tidy.

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2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
	popcntb<mode>2, popcntd<mode>2, parity<mode>2, parity<mode>2_cmpb):
	Tidy.

From-SVN: r215435
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Segher Boessenkool 2014-09-21 20:02:54 +02:00 committed by Segher Boessenkool
parent 9f31288f44
commit f4e0b104a6
2 changed files with 41 additions and 35 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2014-09-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
popcntb<mode>2, popcntd<mode>2, parity<mode>2, parity<mode>2_cmpb):
Tidy.
2014-09-21 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (strlensi): Don't use subsi3 with a

70
gcc/config/rs6000/rs6000.md
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@ -1797,12 +1797,12 @@
(match_dup 4)))
(clobber (reg:GPR CA_REGNO))])]
""
{
operands[2] = gen_reg_rtx (<MODE>mode);
operands[3] = gen_reg_rtx (<MODE>mode);
operands[4] = gen_reg_rtx (<MODE>mode);
operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode) - 1);
})
{
operands[2] = gen_reg_rtx (<MODE>mode);
operands[3] = gen_reg_rtx (<MODE>mode);
operands[4] = gen_reg_rtx (<MODE>mode);
operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode) - 1);
})
(define_expand "ffs<mode>2"
[(set (match_dup 2)
@ -1817,55 +1817,55 @@
(match_dup 4)))
(clobber (reg:GPR CA_REGNO))])]
""
{
operands[2] = gen_reg_rtx (<MODE>mode);
operands[3] = gen_reg_rtx (<MODE>mode);
operands[4] = gen_reg_rtx (<MODE>mode);
operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode));
})
{
operands[2] = gen_reg_rtx (<MODE>mode);
operands[3] = gen_reg_rtx (<MODE>mode);
operands[4] = gen_reg_rtx (<MODE>mode);
operands[5] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode));
})
(define_expand "popcount<mode>2"
[(set (match_operand:GPR 0 "gpc_reg_operand" "")
(popcount:GPR (match_operand:GPR 1 "gpc_reg_operand" "")))]
"TARGET_POPCNTB || TARGET_POPCNTD"
{
rs6000_emit_popcount (operands[0], operands[1]);
DONE;
})
(define_insn "popcntb<mode>2"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(unspec:GPR [(match_operand:GPR 1 "gpc_reg_operand" "r")]
UNSPEC_POPCNTB))]
(unspec:GPR [(match_operand:GPR 1 "gpc_reg_operand" "r")]
UNSPEC_POPCNTB))]
"TARGET_POPCNTB"
"popcntb %0,%1"
[(set_attr "length" "4")
(set_attr "type" "popcnt")])
[(set_attr "type" "popcnt")])
(define_insn "popcntd<mode>2"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(popcount:GPR (match_operand:GPR 1 "gpc_reg_operand" "r")))]
"TARGET_POPCNTD"
"popcnt<wd> %0,%1"
[(set_attr "length" "4")
(set_attr "type" "popcnt")])
[(set_attr "type" "popcnt")])
(define_expand "popcount<mode>2"
(define_expand "parity<mode>2"
[(set (match_operand:GPR 0 "gpc_reg_operand" "")
(popcount:GPR (match_operand:GPR 1 "gpc_reg_operand" "")))]
"TARGET_POPCNTB || TARGET_POPCNTD"
{
rs6000_emit_popcount (operands[0], operands[1]);
DONE;
})
(parity:GPR (match_operand:GPR 1 "gpc_reg_operand" "")))]
"TARGET_POPCNTB"
{
rs6000_emit_parity (operands[0], operands[1]);
DONE;
})
(define_insn "parity<mode>2_cmpb"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(unspec:GPR [(match_operand:GPR 1 "gpc_reg_operand" "r")] UNSPEC_PARITY))]
"TARGET_CMPB && TARGET_POPCNTB"
"prty<wd> %0,%1"
[(set_attr "length" "4")
(set_attr "type" "popcnt")])
[(set_attr "type" "popcnt")])
(define_expand "parity<mode>2"
[(set (match_operand:GPR 0 "gpc_reg_operand" "")
(parity:GPR (match_operand:GPR 1 "gpc_reg_operand" "")))]
"TARGET_POPCNTB"
{
rs6000_emit_parity (operands[0], operands[1]);
DONE;
})
;; Since the hardware zeros the upper part of the register, save generating the
;; AND immediate if we are converting to unsigned