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re PR target/65163 ([SH] ICE in decompose at rtl.h:2007)

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gcc/
	PR target/65163
	* config/sh/sh.md (swapbsi2, related peephole2): Use const_int -65536
	instead of const_int 4294901760.

gcc/testsuite/
	PR target/65163
	* gcc.c-torture/compile/pr65163.c: New.

From-SVN: r220916
This commit is contained in:
Oleg Endo 2015-02-23 19:16:34 +00:00
parent b6530d0a50
commit 2c6a427ff9
4 changed files with 36 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-02-23 Oleg Endo <olegendo@gcc.gnu.org>
PR target/65163
* config/sh/sh.md (swapbsi2, related peephole2): Use const_int -65536
instead of const_int 4294901760.
2015-02-23 Georg-Johann Lay <avr@gjlay.de>
* config/avr/t-avr: Fix typo in comment.

6
gcc/config/sh/sh.md
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@ -6218,7 +6218,7 @@ label:
(define_insn "swapbsi2"
[(set (match_operand:SI 0 "arith_reg_dest" "=r")
(ior:SI (and:SI (match_operand:SI 1 "arith_reg_operand" "r")
(const_int 4294901760))
(const_int -65536)) ;; 0xFFFF0000
(ior:SI (and:SI (ashift:SI (match_dup 1) (const_int 8))
(const_int 65280))
(and:SI (ashiftrt:SI (match_dup 1) (const_int 8))
@ -6286,7 +6286,7 @@ label:
(define_peephole2
[(set (match_operand:SI 0 "arith_reg_dest" "")
(ior:SI (and:SI (match_operand:SI 1 "arith_reg_operand" "")
(const_int 4294901760))
(const_int -65536)) ;; 0xFFFF0000
(ior:SI (and:SI (ashift:SI (match_dup 1) (const_int 8))
(const_int 65280))
(and:SI (ashiftrt:SI (match_dup 1) (const_int 8))
@ -6296,7 +6296,7 @@ label:
"TARGET_SH1 && peep2_reg_dead_p (2, operands[0])"
[(set (match_dup 2)
(ior:SI (and:SI (match_operand:SI 1 "arith_reg_operand" "")
(const_int 4294901760))
(const_int -65536)) ;; 0xFFFF0000
(ior:SI (and:SI (ashift:SI (match_dup 1) (const_int 8))
(const_int 65280))
(and:SI (ashiftrt:SI (match_dup 1) (const_int 8))

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2015-02-23 Oleg Endo <olegendo@gcc.gnu.org>
PR target/65163
* gcc.c-torture/compile/pr65163.c: New.
2015-02-23 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc.dg/hoist-register-pressure-1.c: Make S/390 target check work

22
gcc/testsuite/gcc.c-torture/compile/pr65163.c Normal file
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@ -0,0 +1,22 @@
/* PR target/65163 */
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
union unaligned_32 { uint32_t l; } __attribute__((packed));
union unaligned_16 { uint16_t l; } __attribute__((packed));
int
test_00 (unsigned char* buf, int bits_per_component)
{
(((union unaligned_32*)(buf))->l) =
__builtin_bswap32 (bits_per_component == 10 ? 1 : 0);
return 0;
}
int
test_01 (unsigned char* buf, int bits_per_component)
{
(((union unaligned_16*)(buf))->l) =
__builtin_bswap16 (bits_per_component == 10 ? 1 : 0);
return 0;
}