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re PR target/46883 (GCC ICE with error: unrecognizable insn)

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2010-12-16  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/46883
	* config/arm/arm.md
	(zero_extendhisi2 for register input splitter): Change
	"register_operand" to "s_register_operand".
	(zero_extendqisi2 for register input splitter): Same.

	testsuite/
	* gcc.target/arm/pr46883.c: New testcase.

From-SVN: r167900
This commit is contained in:
Chung-Lin Tang 2010-12-16 05:10:18 +00:00 • committed by Chung-Lin Tang
parent f80d990e91
commit 5acb7dec00
4 changed files with 33 additions and 4 deletions
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8
gcc/ChangeLog
View file

@ -1,3 +1,11 @@
2010-12-16 Chung-Lin Tang <cltang@codesourcery.com>
PR target/46883
* config/arm/arm.md
(zero_extendhisi2 for register input splitter): Change
"register_operand" to "s_register_operand".
(zero_extendqisi2 for register input splitter): Same.
2010-12-16 Jan Hubicka <jh@suse.cz>
PR middle-end/46939

8
gcc/config/arm/arm.md
View file

@ -4137,8 +4137,8 @@
})
(define_split
[(set (match_operand:SI 0 "register_operand" "")
(zero_extend:SI (match_operand:HI 1 "register_operand" "")))]
[(set (match_operand:SI 0 "s_register_operand" "")
(zero_extend:SI (match_operand:HI 1 "s_register_operand" "")))]
"!TARGET_THUMB2 && !arm_arch6"
[(set (match_dup 0) (ashift:SI (match_dup 2) (const_int 16)))
(set (match_dup 0) (lshiftrt:SI (match_dup 0) (const_int 16)))]
@ -4244,8 +4244,8 @@
})
(define_split
[(set (match_operand:SI 0 "register_operand" "")
(zero_extend:SI (match_operand:QI 1 "register_operand" "")))]
[(set (match_operand:SI 0 "s_register_operand" "")
(zero_extend:SI (match_operand:QI 1 "s_register_operand" "")))]
"!arm_arch6"
[(set (match_dup 0) (ashift:SI (match_dup 2) (const_int 24)))
(set (match_dup 0) (lshiftrt:SI (match_dup 0) (const_int 24)))]

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2010-12-16 Chung-Lin Tang <cltang@codesourcery.com>
PR target/46883
* gcc.target/arm/pr46883.c: New testcase.
2010-12-16 Jan Hubicka <jh@suse.cz>
PR lto/46976

16
gcc/testsuite/gcc.target/arm/pr46883.c Normal file
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@ -0,0 +1,16 @@
/* { dg-do compile } */
/* { dg-options "-O1 -march=armv5te" } */
void bar (unsigned char *q, unsigned short *data16s, int len)
{
int i;
for (i = 0; i < len; i++)
{
q[2 * i] =
(((data16s[i] & 0xFF) << 8) | ((data16s[i] >> 8) & 0xFF)) & 0xFF;
q[2 * i + 1] =
((unsigned short)
(((data16s[i] & 0xFF) << 8) | ((data16s[i] >> 8) & 0xFF))) >> 8;
}
}