* pa.h (RETURN_IN_MEMORY): Return types with a size that is varable

	or larger than an integer in memory.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44981 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 16296da..cf3ba5e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-08-17  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
+       or larger than an integer in memory.
+
 2001-08-17  Zack Weinberg  <zackw@panix.com>
 
        * system.h: Forward-declare struct rtx_def, struct rtvec_def,

diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h
index 8358e88..fcceaa1 100644 (file)
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -518,9 +518,11 @@ extern struct rtx_def *hppa_pic_save_rtx PARAMS ((void));
 #define DEFAULT_PCC_STRUCT_RETURN 0
 
 /* SOM ABI says that objects larger than 64 bits are returned in memory.
-   PA64 ABI says that objects larger than 128 bits are returned in memory. */
+   PA64 ABI says that objects larger than 128 bits are returned in memory.
+   Note that int_size_in_bytes can return -1 if the size is variable
+   or larger than an integer.  */
 #define RETURN_IN_MEMORY(TYPE) \
-  (TARGET_64BIT ? int_size_in_bytes (TYPE) > 16 : int_size_in_bytes (TYPE) > 8)
+  ((unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) > (TARGET_64BIT ? 16 : 8))
 
 /* Register in which address to store a structure value
    is passed to a function.  */