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sh.c (sh_gimplify_va_arg_expr): Unshare the addr...

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* config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
	valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
	next_stack, lab_false and lab_over trees.

From-SVN: r138233
This commit is contained in:
Kaz Kojima 2008-07-29 09:07:49 +00:00
parent 17b1d2a049
commit 8c54989af5
2 changed files with 42 additions and 30 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-07-29 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
next_stack, lab_false and lab_over trees.
2008-07-28 Richard Guenther <rguenther@suse.de> 2008-07-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36957 PR tree-optimization/36957

66
gcc/config/sh/sh.c
View File

@ -7350,18 +7350,19 @@ sh_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
tree cmp; tree cmp;
bool is_double = size == 8 && TREE_CODE (eff_type) == REAL_TYPE; bool is_double = size == 8 && TREE_CODE (eff_type) == REAL_TYPE;
tmp = build1 (ADDR_EXPR, pptr_type_node, next_fp); tmp = build1 (ADDR_EXPR, pptr_type_node, unshare_expr (next_fp));
gimplify_assign (addr, tmp, pre_p); gimplify_assign (unshare_expr (addr), tmp, pre_p);
gimplify_assign (next_fp_tmp, valist, pre_p); gimplify_assign (unshare_expr (next_fp_tmp), valist, pre_p);
tmp = next_fp_limit; tmp = next_fp_limit;
if (size > 4 && !is_double) if (size > 4 && !is_double)
tmp = build2 (POINTER_PLUS_EXPR, TREE_TYPE (tmp), tmp, tmp = build2 (POINTER_PLUS_EXPR, TREE_TYPE (tmp),
size_int (4 - size)); unshare_expr (tmp), size_int (4 - size));
tmp = build2 (GE_EXPR, boolean_type_node, next_fp_tmp, tmp); tmp = build2 (GE_EXPR, boolean_type_node,
unshare_expr (next_fp_tmp), unshare_expr (tmp));
cmp = build3 (COND_EXPR, void_type_node, tmp, cmp = build3 (COND_EXPR, void_type_node, tmp,
build1 (GOTO_EXPR, void_type_node, lab_false), build1 (GOTO_EXPR, void_type_node,
NULL_TREE); unshare_expr (lab_false)), NULL_TREE);
if (!is_double) if (!is_double)
gimplify_and_add (cmp, pre_p); gimplify_and_add (cmp, pre_p);
@ -7372,8 +7373,8 @@ sh_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
tmp = build2 (BIT_AND_EXPR, sizetype, tmp, tmp = build2 (BIT_AND_EXPR, sizetype, tmp,
size_int (UNITS_PER_WORD)); size_int (UNITS_PER_WORD));
tmp = build2 (POINTER_PLUS_EXPR, ptr_type_node, tmp = build2 (POINTER_PLUS_EXPR, ptr_type_node,
next_fp_tmp, tmp); unshare_expr (next_fp_tmp), tmp);
gimplify_assign (next_fp_tmp, tmp, pre_p); gimplify_assign (unshare_expr (next_fp_tmp), tmp, pre_p);
} }
if (is_double) if (is_double)
gimplify_and_add (cmp, pre_p); gimplify_and_add (cmp, pre_p);
@ -7398,48 +7399,53 @@ sh_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
} }
#endif /* FUNCTION_ARG_SCmode_WART */ #endif /* FUNCTION_ARG_SCmode_WART */
tmp = build1 (GOTO_EXPR, void_type_node, lab_over); tmp = build1 (GOTO_EXPR, void_type_node, unshare_expr (lab_over));
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
tmp = build1 (LABEL_EXPR, void_type_node, lab_false); tmp = build1 (LABEL_EXPR, void_type_node, unshare_expr (lab_false));
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
tmp = build1 (ADDR_EXPR, pptr_type_node, next_stack); tmp = build1 (ADDR_EXPR, pptr_type_node, unshare_expr (next_stack));
gimplify_assign (addr, tmp, pre_p); gimplify_assign (unshare_expr (addr), tmp, pre_p);
gimplify_assign (next_fp_tmp, valist, pre_p); gimplify_assign (unshare_expr (next_fp_tmp),
unshare_expr (valist), pre_p);
gimplify_assign (valist, next_fp_tmp, post_p); gimplify_assign (unshare_expr (valist),
unshare_expr (next_fp_tmp), post_p);
valist = next_fp_tmp; valist = next_fp_tmp;
} }
else else
{ {
tmp = build2 (POINTER_PLUS_EXPR, ptr_type_node, next_o, tmp = build2 (POINTER_PLUS_EXPR, ptr_type_node,
size_int (rsize)); unshare_expr (next_o), size_int (rsize));
tmp = build2 (GT_EXPR, boolean_type_node, tmp, next_o_limit); tmp = build2 (GT_EXPR, boolean_type_node, tmp,
unshare_expr (next_o_limit));
tmp = build3 (COND_EXPR, void_type_node, tmp, tmp = build3 (COND_EXPR, void_type_node, tmp,
build1 (GOTO_EXPR, void_type_node, lab_false), build1 (GOTO_EXPR, void_type_node,
NULL_TREE); unshare_expr (lab_false)),
NULL_TREE);
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
tmp = build1 (ADDR_EXPR, pptr_type_node, next_o); tmp = build1 (ADDR_EXPR, pptr_type_node, unshare_expr (next_o));
gimplify_assign (addr, tmp, pre_p); gimplify_assign (unshare_expr (addr), tmp, pre_p);
tmp = build1 (GOTO_EXPR, void_type_node, lab_over); tmp = build1 (GOTO_EXPR, void_type_node, unshare_expr (lab_over));
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
tmp = build1 (LABEL_EXPR, void_type_node, lab_false); tmp = build1 (LABEL_EXPR, void_type_node, unshare_expr (lab_false));
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
if (size > 4 && ! (TARGET_SH4 || TARGET_SH2A)) if (size > 4 && ! (TARGET_SH4 || TARGET_SH2A))
gimplify_assign (next_o, next_o_limit, pre_p); gimplify_assign (unshare_expr (next_o),
unshare_expr (next_o_limit), pre_p);
tmp = build1 (ADDR_EXPR, pptr_type_node, next_stack); tmp = build1 (ADDR_EXPR, pptr_type_node, unshare_expr (next_stack));
gimplify_assign (addr, tmp, pre_p); gimplify_assign (unshare_expr (addr), tmp, pre_p);
} }
if (!result) if (!result)
{ {
tmp = build1 (LABEL_EXPR, void_type_node, lab_over); tmp = build1 (LABEL_EXPR, void_type_node, unshare_expr (lab_over));
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
} }
} }
@ -7452,7 +7458,7 @@ sh_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
{ {
gimplify_assign (result, tmp, pre_p); gimplify_assign (result, tmp, pre_p);
tmp = build1 (LABEL_EXPR, void_type_node, lab_over); tmp = build1 (LABEL_EXPR, void_type_node, unshare_expr (lab_over));
gimplify_and_add (tmp, pre_p); gimplify_and_add (tmp, pre_p);
} }
else else