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middle-end/110200 - genmatch force-leaf and convert interaction

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The following fixes code GENERIC generation for (convert! ...)
which currently generates

  if (TREE_TYPE (_o1[0]) != type)
    _r1 = fold_build1_loc (loc, NOP_EXPR, type, _o1[0]);
    if (EXPR_P (_r1))
      goto next_after_fail867;
  else
    _r1 = _o1[0];

where obviously braces are missing.

	PR middle-end/110200
	* genmatch.cc (expr::gen_transform): Put braces around
	the if arm for the (convert ...) short-cut.

(cherry picked from commit 820d1aec89c43dbbc70d3d0b888201878388454c)
This commit is contained in:
Richard Biener
2023-06-12 10:17:26 +02:00
parent d67b4ecf5c
commit 73ae34bb69
1 changed files with 4 additions and 2 deletions
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gcc/genmatch.cc
+4 -2
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@@ -2568,7 +2568,8 @@ expr::gen_transform (FILE *f, int indent, const char *dest, bool gimple,
{
fprintf_indent (f, indent, "if (TREE_TYPE (_o%d[0]) != %s)\n",
depth, type);
indent += 2;
fprintf_indent (f, indent + 2, "{\n");
indent += 4;
}
if (opr->kind == id_base::CODE)
fprintf_indent (f, indent, "_r%d = fold_build%d_loc (loc, %s, %s",
@@ -2591,7 +2592,8 @@ expr::gen_transform (FILE *f, int indent, const char *dest, bool gimple,
}
if (*opr == CONVERT_EXPR)
{
indent -= 2;
fprintf_indent (f, indent - 2, "}\n");
indent -= 4;
fprintf_indent (f, indent, "else\n");
fprintf_indent (f, indent, " _r%d = _o%d[0];\n", depth, depth);
}