re PR target/44481 (__builtin_parity() causes ICE in trunc_int_for_mode())

PR target/44481
	* config/i386/i386.md (UNSPEC_PARITY): New unspec.
	(paritydi2_cmp): Use UNSPEC_PARITY unspec insted of parity RTX.
	(partiysi2_cmp): Ditto.
	(*partiyhi2_cmp): Ditto.
	(*parityqi2_cmp): Remove.

testsuite/ChangeLog:

	PR target/44481
	* gcc.target/i386/pr44481.c: New test.

From-SVN: r160638
This commit is contained in:
Uros Bizjak 2010-06-11 23:58:31 +02:00
parent d5568f03cd
commit b79a08f6c4
4 changed files with 41 additions and 18 deletions

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@ -1,8 +1,16 @@
2010-06-11 Uros Bizjak <ubizjak@gmail.com>
PR target/44481
* config/i386/i386.md (UNSPEC_PARITY): New unspec.
(paritydi2_cmp): Use UNSPEC_PARITY unspec insted of parity RTX.
(partiysi2_cmp): Ditto.
(*partiyhi2_cmp): Ditto.
(*parityqi2_cmp): Remove.
2010-06-11 Jan Hubicka <jh@suse.cz>
* bitmap.h (+bmp_iter_next_bit): New.
(bmp_iter_set, bmp_iter_and, bmp_iter_and_compl):
Use it.
* bitmap.h (bmp_iter_next_bit): New.
(bmp_iter_set, bmp_iter_and, bmp_iter_and_compl): Use it.
2010-06-11 Sandra Loosemore <sandra@codesourcery.com>
Eric Botcazou <ebotcazou@adacore.com>

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@ -97,6 +97,7 @@
UNSPEC_SCAS
UNSPEC_FNSTSW
UNSPEC_SAHF
UNSPEC_PARITY
UNSPEC_FSTCW
UNSPEC_ADD_CARRY
UNSPEC_FLDCW
@ -12186,7 +12187,8 @@
(define_insn_and_split "paritydi2_cmp"
[(set (reg:CC FLAGS_REG)
(parity:CC (match_operand:DI 3 "register_operand" "0")))
(unspec:CC [(match_operand:DI 3 "register_operand" "0")]
UNSPEC_PARITY))
(clobber (match_scratch:DI 0 "=r"))
(clobber (match_scratch:SI 1 "=&r"))
(clobber (match_scratch:HI 2 "=Q"))]
@ -12199,7 +12201,7 @@
(clobber (reg:CC FLAGS_REG))])
(parallel
[(set (reg:CC FLAGS_REG)
(parity:CC (match_dup 1)))
(unspec:CC [(match_dup 1)] UNSPEC_PARITY))
(clobber (match_dup 1))
(clobber (match_dup 2))])]
{
@ -12216,7 +12218,8 @@
(define_insn_and_split "paritysi2_cmp"
[(set (reg:CC FLAGS_REG)
(parity:CC (match_operand:SI 2 "register_operand" "0")))
(unspec:CC [(match_operand:SI 2 "register_operand" "0")]
UNSPEC_PARITY))
(clobber (match_scratch:SI 0 "=r"))
(clobber (match_scratch:HI 1 "=&Q"))]
"! TARGET_POPCNT"
@ -12228,7 +12231,7 @@
(clobber (reg:CC FLAGS_REG))])
(parallel
[(set (reg:CC FLAGS_REG)
(parity:CC (match_dup 1)))
(unspec:CC [(match_dup 1)] UNSPEC_PARITY))
(clobber (match_dup 1))])]
{
operands[3] = gen_lowpart (HImode, operands[2]);
@ -12239,20 +12242,13 @@
(define_insn "*parityhi2_cmp"
[(set (reg:CC FLAGS_REG)
(parity:CC (match_operand:HI 1 "register_operand" "0")))
(unspec:CC [(match_operand:HI 1 "register_operand" "0")]
UNSPEC_PARITY))
(clobber (match_scratch:HI 0 "=Q"))]
"! TARGET_POPCNT"
"xor{b}\t{%h0, %b0|%b0, %h0}"
[(set_attr "length" "2")
(set_attr "mode" "HI")])
(define_insn "*parityqi2_cmp"
[(set (reg:CC FLAGS_REG)
(parity:CC (match_operand:QI 0 "register_operand" "q")))]
"! TARGET_POPCNT"
"test{b}\t%0, %0"
[(set_attr "length" "2")
(set_attr "mode" "QI")])
;; Thread-local storage patterns for ELF.
;;

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@ -1,3 +1,8 @@
2010-06-11 Uros Bizjak <ubizjak@gmail.com>
PR target/44481
* gcc.target/i386/pr44481.c: New test.
2010-06-11 Eric Botcazou <ebotcazou@adacore.com>
* gcc.dg/pr42461.c: Compile at -O2 instead of -O.
@ -8,7 +13,7 @@
* gcc.dg/tree-ssa/pr44483.c: New.
2010-06-11 Paul Brook <paul@codesourcery.com>
* g++.dg/other/arm-neon-1.C: New test.
2010-06-11 Paul Thomas <pault@gcc.gnu.org>
@ -159,7 +164,7 @@
2010-06-08 Andrew Pinski <pinskia@gmail.com>
Shujing Zhao <pearly.zhao@oracle.com>
PR c/37724
* gcc.dg/c90-const-expr-10.c: Adjust.
* gcc.dg/c99-const-expr-10.c: Adjust.

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@ -0,0 +1,14 @@
/* { dg-do compile } */
/* { dg-options "-O2" } */
static inline unsigned
parity (unsigned x)
{
return (unsigned) __builtin_parity (x);
}
unsigned
f (unsigned rpoly)
{
return parity (rpoly & 1) ^ parity (rpoly & 6);
}