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riscv-gcc-1
Commit 4bdc2738 by Richard Biener Committed by Kyrylo Tkachov
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Fix aarch64 ILP32 ICE with vaarg gimplified code 

2018-04-27  Richard Biener  <rguenther@suse.de>

	* config/aarch64/aarch64.c: Simplify ap.__stack advance and
	fix for ILP32.

From-SVN: r259711
parent 036b5ad1
Showing with 7 additions and 8 deletions
gcc/ChangeLog
2018-04-27 Richard Biener <rguenther@suse.de>
* config/aarch64/aarch64.c: Simplify ap.__stack advance and
fix for ILP32.
2018-04-27 Richard Biener <rguenther@suse.de>
* tree-cfg.c (verify_expr): Make dead code hit gcc_unreachable.
2018-04-27 Uros Bizjak <ubizjak@gmail.com>
......
gcc/config/aarch64/aarch64.c
......@@ -12267,23 +12267,17 @@ aarch64_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
if (align > 8)
{
/* if (alignof(type) > 8) (arg = arg + 15) & -16; */
t = fold_convert (intDI_type_node, arg);
t = build2 (PLUS_EXPR, TREE_TYPE (t), t,
build_int_cst (TREE_TYPE (t), 15));
t = fold_build_pointer_plus_hwi (arg, 15);
t = build2 (BIT_AND_EXPR, TREE_TYPE (t), t,
build_int_cst (TREE_TYPE (t), -16));
t = fold_convert (TREE_TYPE (arg), t);
roundup = build2 (MODIFY_EXPR, TREE_TYPE (arg), arg, t);
}
else
roundup = NULL;
/* Advance ap.__stack */
t = fold_convert (intDI_type_node, arg);
t = build2 (PLUS_EXPR, TREE_TYPE (t), t,
build_int_cst (TREE_TYPE (t), size + 7));
t = fold_build_pointer_plus_hwi (arg, size + 7);
t = build2 (BIT_AND_EXPR, TREE_TYPE (t), t,
build_int_cst (TREE_TYPE (t), -8));
t = fold_convert (TREE_TYPE (arg), t);
t = build2 (MODIFY_EXPR, TREE_TYPE (stack), unshare_expr (stack), t);
/* String up roundup and advance. */
if (roundup)
......
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