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expr.c (expand_builtin, [...]): Set MEM_IN_STRUCT_P if the argument is the address of a structure or array.

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* expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
	if the argument is the address of a structure or array.
	* configure.in: Enable Haifa scheduler by default for SPARC.

From-SVN: r19405
This commit is contained in:
John Carr 1998-04-24 13:16:26 +00:00 committed by John Carr
parent e89d3e6faf
commit 87d1ea7937
3 changed files with 15 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
* expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
if the argument is the address of a structure or array.
* configure.in: Enable Haifa scheduler by default for SPARC.
Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* cse.c (cse_set_around_loop): Don't do optimization when

2
gcc/configure.in
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@ -2891,7 +2891,7 @@ fi
if [[ x$enable_haifa = x ]]
then
case $target in
alpha*-* | hppa1.?-* | powerpc*-* | rs6000-*)
alpha*-* | hppa1.?-* | powerpc*-* | rs6000-* | *sparc-*)
enable_haifa=yes;;
esac
fi

8
gcc/expr.c
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@ -8634,7 +8634,13 @@ expand_builtin (exp, target, subtarget, mode, ignore)
/* There could be a void* cast on top of the object. */
while (TREE_CODE (dest) == NOP_EXPR)
dest = TREE_OPERAND (dest, 0);
type = TREE_TYPE (TREE_TYPE (dest));
if (TREE_CODE (dest) == ADDR_EXPR)
/* If this is the address of an object, check whether the
object is an array. */
type = TREE_TYPE (TREE_OPERAND (dest, 0));
else
type = TREE_TYPE (TREE_TYPE (dest));
MEM_IN_STRUCT_P (dest_mem) = AGGREGATE_TYPE_P (type);
dest_addr = clear_storage (dest_mem, len_rtx, dest_align);