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re PR target/22093 (Unaligned access to HI values causes unrecognizable insn error) 

PR target/22093
	* config/alpha/alpha.md (unaligned_storehi_be): Force operand
	of plus RTX into register.

testsuite/ChangeLog:

	PR target/22093
	* gcc.target/alpha/pr22093.c: New test.

From-SVN: r152343
This commit is contained in:
Uros Bizjak 2009-09-30 20:03:17 +02:00 committed by Uros Bizjak
parent 9332b7a302
commit 916f964b5b
4 changed files with 28 additions and 3 deletions
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8
gcc/ChangeLog
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@ -1,8 +1,14 @@
2009-09-30 Uros Bizjak <ubizjak@gmail.com>
PR target/22093
* config/alpha/alpha.md (unaligned_storehi_be): Force operand
of plus RTX into register.
2009-09-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* config/s390/fixdfdi.h: Add Runtime Library Exception wording to
the License text.
2009-09-25 Jakub Jelinek <jakub@redhat.com>
* tree-vect-transform.c (vectorizable_call): Call

4
gcc/config/alpha/alpha.md
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@ -5999,7 +5999,7 @@
(mem:DI (and:DI (match_operand:DI 0 "address_operand" "")
(const_int -8))))
(set (match_operand:DI 2 "register_operand" "")
(plus:DI (match_dup 0) (const_int 1)))
(plus:DI (match_dup 5) (const_int 1)))
(set (match_dup 3)
(and:DI (not:DI (ashift:DI
(const_int 65535)
@ -6014,7 +6014,7 @@
(set (mem:DI (and:DI (match_dup 0) (const_int -8)))
(match_dup 4))]
"WORDS_BIG_ENDIAN"
"")
"operands[5] = force_reg (DImode, operands[0]);")
;; Here are the define_expand's for QI and HI moves that use the above
;; patterns. We have the normal sets, plus the ones that need scratch

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2009-09-30 Uros Bizjak <ubizjak@gmail.com>
PR target/22093
* gcc.target/alpha/pr22093.c: New test.
2009-09-28 Olivier Hainque <hainque@adacore.com>
* gnat.dg (tagged_alloc_free.adb): New testcase.

14
gcc/testsuite/gcc.target/alpha/pr22093.c Normal file
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@ -0,0 +1,14 @@
/* { dg-do compile } */
/* { dg-options "-O2" } */
struct shared_ptr_struct
{
unsigned long phase : 48;
unsigned thread : 16;
void *addr;
} x;
void foo (void)
{
x.thread = 2;
}