From 5fc89bfdd7468927e0b3d5aabd5b73af60d9cebe Mon Sep 17 00:00:00 2001 From: Janis Johnson Date: Fri, 23 Jun 2006 21:17:53 +0000 Subject: tree.h (DECIMAL_FLOAT_TYPE_P): New. * tree.h (DECIMAL_FLOAT_TYPE_P): New. * c-typeck.c (c_common_type): Disallow operations on decimal float types and other float types. * convert.c (convert_to_real): Don't ignore conversions involving decimal float types. testsuite: * gcc.dg/dfp/usual-arith-conv-bad.c: New test. From-SVN: r114951 --- gcc/convert.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'gcc/convert.c') diff --git a/gcc/convert.c b/gcc/convert.c index 97977040755..ab780d8ebd3 100644 --- a/gcc/convert.c +++ b/gcc/convert.c @@ -315,8 +315,12 @@ convert_to_real (tree type, tree expr) switch (TREE_CODE (TREE_TYPE (expr))) { case REAL_TYPE: - return build1 (flag_float_store ? CONVERT_EXPR : NOP_EXPR, - type, expr); + /* Ignore the conversion if we don't need to store intermediate + results and neither type is a decimal float. */ + return build1 ((flag_float_store + || DECIMAL_FLOAT_TYPE_P (type) + || DECIMAL_FLOAT_TYPE_P (itype)) + ? CONVERT_EXPR : NOP_EXPR, type, expr); case INTEGER_TYPE: case ENUMERAL_TYPE: -- cgit v1.2.1