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re PR target/42774 (ICE in get_aligned_mem, at config/alpha/alpha.c:1484) 

PR target/42774
	* config/alpha/predicates.md (aligned_memory_operand): Return 0 for
	memory references with unaligned offsets.  Remove CQImode handling.
	(unaligned_memory_operand): Return 1 for memory references with
	unaligned offsets.  Remove CQImode handling.

testsuite/ChangeLog:

	PR target/42774
	* gcc.target/alpha/pr42774.c: New test.

From-SVN: r156014
This commit is contained in:
Uros Bizjak 2010-01-18 18:04:29 +01:00
parent 8d829cb717
commit d2ad176d60
4 changed files with 61 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2010-01-18 Uros Bizjak <ubizjak@gmail.com>
PR target/42774
* config/alpha/predicates.md (aligned_memory_operand): Return 0 for
memory references with unaligned offsets. Remove CQImode handling.
(unaligned_memory_operand): Return 1 for memory references with
unaligned offsets. Remove CQImode handling.
2010-01-17 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline:
@ -74,7 +82,7 @@
* Backport from mainline
2010-01-12 Julian Brown <julian@codesourcery.com>
* config/arm/neon-schedgen.ml (Utils): Don't try to
open missing module.
(find_with_result): New.
@ -96,7 +104,7 @@
2010-01-07 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2010-01-05 Paolo Bonzini <bonzinI@gnu.rg>
2010-01-05 Paolo Bonzini <bonzini@gnu.org>
H.J. Lu <hongjiu.lu@intel.com>
PR target/42542

46
gcc/config/alpha/predicates.md
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@ -439,13 +439,11 @@
(match_code "mem"))
{
rtx base;
int offset;
if (MEM_ALIGN (op) >= 32)
return 1;
if (mode == CQImode)
return 0;
op = XEXP (op, 0);
/* LEGITIMIZE_RELOAD_ADDRESS creates (plus (plus reg const_hi) const_lo)
@ -453,14 +451,29 @@
if (reload_in_progress
&& GET_CODE (op) == PLUS
&& GET_CODE (XEXP (op, 0)) == PLUS)
base = XEXP (XEXP (op, 0), 0);
{
base = XEXP (XEXP (op, 0), 0);
offset = INTVAL (XEXP (op, 1));
}
else
{
if (! memory_address_p (mode, op))
return 0;
base = (GET_CODE (op) == PLUS ? XEXP (op, 0) : op);
if (GET_CODE (op) == PLUS)
{
base = XEXP (op, 0);
offset = INTVAL (XEXP (op, 1));
}
else
{
base = op;
offset = 0;
}
}
if (offset % GET_MODE_SIZE (mode))
return 0;
return (GET_CODE (base) == REG && REGNO_POINTER_ALIGN (REGNO (base)) >= 32);
})
@ -471,13 +484,11 @@
(match_code "mem"))
{
rtx base;
int offset;
if (MEM_ALIGN (op) >= 32)
return 0;
if (mode == CQImode)
return 1;
op = XEXP (op, 0);
/* LEGITIMIZE_RELOAD_ADDRESS creates (plus (plus reg const_hi) const_lo)
@ -485,14 +496,29 @@
if (reload_in_progress
&& GET_CODE (op) == PLUS
&& GET_CODE (XEXP (op, 0)) == PLUS)
base = XEXP (XEXP (op, 0), 0);
{
base = XEXP (XEXP (op, 0), 0);
offset = INTVAL (XEXP (op, 1));
}
else
{
if (! memory_address_p (mode, op))
return 0;
base = (GET_CODE (op) == PLUS ? XEXP (op, 0) : op);
if (GET_CODE (op) == PLUS)
{
base = XEXP (op, 0);
offset = INTVAL (XEXP (op, 1));
}
else
{
base = op;
offset = 0;
}
}
if (offset % GET_MODE_SIZE (mode))
return 1;
return (GET_CODE (base) == REG && REGNO_POINTER_ALIGN (REGNO (base)) < 32);
})

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2010-01-18 Uros Bizjak <ubizjak@gmail.com>
PR target/42774
* gcc.target/alpha/pr42774.c: New test.
2010-01-17 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline:

10
gcc/testsuite/gcc.target/alpha/pr42774.c Normal file
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@ -0,0 +1,10 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mcpu=ev4" } */
unsigned int ntfs_getinfo(void *p)
{
char bootsect[8];
__builtin_memcpy(bootsect, p, sizeof bootsect);
return *(unsigned short *)(bootsect + 3);
}