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authorRoger Sayle <roger@eyesopen.com>2005-05-26 04:38:51 +0000
committerRoger Sayle <sayle@gcc.gnu.org>2005-05-26 04:38:51 +0000
commit97471d8f5fe2ae5e17ae37af6f9945631a892214 (patch)
treebd44a4cda29327050b9f2c57369d127ff6a5fde3 /gcc
parent883ae7b040632ec8f5dcdffcb4733bb77ce61644 (diff)
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convert.c (convert_to_integer): Avoid recursive call to convert_to_integer by building the NOP_EXPR directly.
* convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive call to convert_to_integer by building the NOP_EXPR directly. From-SVN: r100184
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/convert.c15
2 files changed, 13 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f9d1cb7..a403733 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-25 Roger Sayle <roger@eyesopen.com>
+
+ * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
+ call to convert_to_integer by building the NOP_EXPR directly.
+
2005-05-25 Richard Sandiford <rsandifo@redhat.com>
* config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
diff --git a/gcc/convert.c b/gcc/convert.c
index 97705a2..fbd18de 100644
--- a/gcc/convert.c
+++ b/gcc/convert.c
@@ -411,13 +411,14 @@ convert_to_integer (tree type, tree expr)
case POINTER_TYPE:
case REFERENCE_TYPE:
if (integer_zerop (expr))
- expr = integer_zero_node;
- else
- expr = fold (build1 (CONVERT_EXPR,
- lang_hooks.types.type_for_size (POINTER_SIZE, 0),
- expr));
-
- return convert_to_integer (type, expr);
+ return build_int_cst (type, 0);
+
+ /* Convert to an unsigned integer of the correct width first,
+ and from there widen/truncate to the required type. */
+ expr = fold_build1 (CONVERT_EXPR,
+ lang_hooks.types.type_for_size (POINTER_SIZE, 0),
+ expr);
+ return fold_build1 (NOP_EXPR, type, expr);
case INTEGER_TYPE:
case ENUMERAL_TYPE: