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re PR target/20054 (ICE in change_address_1)

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ChangeLog:

	PR target/20054
	* config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
	before the "*llgt_didi" pattern.

testsuite/ChangeLog:

	PR target/20054
	* gcc.dg/pr20054.c: New test.

From-SVN: r95233
This commit is contained in:
Ulrich Weigand 2005-02-18 21:11:06 +00:00 committed by Ulrich Weigand
parent 0ae65c915a
commit d6083c7d69
4 changed files with 55 additions and 21 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
PR target/20054
* config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
before the "*llgt_didi" pattern.
2005-02-18 Jason Merrill <jason@redhat.com>
* gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.

42
gcc/config/s390/s390.md
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@ -2660,6 +2660,27 @@
; LLGT-type instructions (zero-extend from 31 bit to 64 bit).
;
(define_insn "*llgt_sidi"
[(set (match_operand:DI 0 "register_operand" "=d")
(and:DI (subreg:DI (match_operand:SI 1 "memory_operand" "m") 0)
(const_int 2147483647)))]
"TARGET_64BIT"
"llgt\t%0,%1"
[(set_attr "op_type" "RXE")])
(define_insn_and_split "*llgt_sidi_split"
[(set (match_operand:DI 0 "register_operand" "=d")
(and:DI (subreg:DI (match_operand:SI 1 "memory_operand" "m") 0)
(const_int 2147483647)))
(clobber (reg:CC 33))]
"TARGET_64BIT"
"#"
"&& reload_completed"
[(set (match_dup 0)
(and:DI (subreg:DI (match_dup 1) 0)
(const_int 2147483647)))]
"")
(define_insn "*llgt_sisi"
[(set (match_operand:SI 0 "register_operand" "=d,d")
(and:SI (match_operand:SI 1 "nonimmediate_operand" "d,m")
@ -2702,27 +2723,6 @@
(const_int 2147483647)))]
"")
(define_insn "*llgt_sidi"
[(set (match_operand:DI 0 "register_operand" "=d")
(and:DI (subreg:DI (match_operand:SI 1 "memory_operand" "m") 0)
(const_int 2147483647)))]
"TARGET_64BIT"
"llgt\t%0,%1"
[(set_attr "op_type" "RXE")])
(define_insn_and_split "*llgt_sidi_split"
[(set (match_operand:DI 0 "register_operand" "=d")
(and:DI (subreg:DI (match_operand:SI 1 "memory_operand" "m") 0)
(const_int 2147483647)))
(clobber (reg:CC 33))]
"TARGET_64BIT"
"#"
"&& reload_completed"
[(set (match_dup 0)
(and:DI (subreg:DI (match_dup 1) 0)
(const_int 2147483647)))]
"")
;
; zero_extendqidi2 instruction pattern(s)
;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2005-02-18 Ulrich Weigand <uweigand@de.ibm.com>
PR target/20054
* gcc.dg/pr20054.c: New test.
2005-01-20 Giovanni Bajo <giovannibajo@gcc.gnu.org>
PR c++/19508

23
gcc/testsuite/gcc.dg/pr20054.c Normal file
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@ -0,0 +1,23 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fno-strict-aliasing" } */
unsigned int *foo (void);
char *
bar (double *d)
{
return (char *) (d + 1) - sizeof (unsigned int);
}
char
baz (double x)
{
unsigned int h = *foo ();
unsigned int l = *(unsigned int *) bar (&x);
return (h & ~0x80000000L) == 0x7FF00000 && l == 0;
}